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What describes this polygon?
A) Quadrilateral
B) Pentagon
C) Parallelogram
D) Hexagon
Answers
Related Questions
In the graph shown, suppose that f(x) = 3.5^x and h(x) = 1.5^x. Choose the statement that COULD be true.
g(x) = 4^x
g(x) = 5^x
g(x) = (.9)^x
g(x) = π^x
Answers
A function that could be true based on the given information is g(x) = 5^x.
By examining the presented graph, we can observe that the functions f(x) = 3.5x and h(x) = 1.5x are growing and concave upward, and h(x) has a larger y-axis intercept than f. (x).
Considering these characteristics, the function g(x) = 5x has the potential to be true. This is why:
The rising nature of the function f(x) = 3.5x indicates that its values rise as x rises.
Although the function h(x) = 1.5x is similarly rising, it has a larger y-axis intercept than the function f(x), which means that its values are larger than f(x) for small values of x.
In addition to rising, the function g(x) = 5x also has a larger y-axis intercept than f(x) and h. (x). It is therefore possible that g(x) lies above both functions for all values of x and crosses the graph of f(x) and h(x) at a point to the right of x = 0.
Because they do not have the same characteristics as the functions f(x) and h(x), the functions g(x) = 4, g(x) = (.9), and g(x) = are unlikely to intersect the graph of both functions and remain above them for all values of x. g(x) = 5x is a function that, given the available data, might be true.
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What is the value of the expression (Please see Q3 for equation) Show your work.
Answers
The value οf the expressiοn is 343.
What is expressiοn?An expressiοn in math is a sentence with a minimum οf twο numbers οr variables and at least οne math οperatiοn. This math οperatiοn can be additiοn, subtractiοn, multiplicatiοn, οr divisiοn.
An expressiοn cοnsists οf οne οr mοre numbers οr variables alοng with οne mοre οperatiοn.
The expression [tex](7^{12} * 7^9) / 7^{18[/tex] can be simplified as follows:
First, using the rule that states [tex]a^m / a^n =a^{m+n}[/tex], we can combine the two terms in the numerator to get:
[tex]7^{12} * 7^9 = 7^{(12+9) } = 7^{21}[/tex]
So the expression now becomes:
[tex]7^{21} / 7^{18}[/tex]
Next, using the rule that states [tex]a^m / a^n =a^{m-n}[/tex], we can divide the two terms in the denominator from the numerator to get:
[tex]7^{21} /7^{18} = 7^{21-18}= 7^3[/tex]
Therefore, the value of the expression is 343.
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PLEASE HURRY WILL GIVE BRAINLIEST AND THANKS AND 5 STARS
On the coordinate plane below, square ABCD is dilated by a factor of 2, with the origin as the center of dilation, to form A ′B ′C ′D ′ .
After the dilation, what is the location of C ′ ?
Answers
Answer:
First option, (4, -6)
Step-by-step explanation:
Scaled by 2. Multiply each coordinate of point C by 2.
(2*2, -3*2) = (4, -6)
Use the technique of linear regression to find the line of best fit for the given points. Round any intermediate calculations to no less than six decimal places, and round the coefficients to two decimal places.
(1,9)
, (2,9)
, (3,4)
, (4,2)
, (5,4)
, (6,2)
, (7,3)
Answers
The line of best fit for this set of points is y = -1.00x + 9.00.
What is coefficient?Coefficient is a value that is used to indicate the degree or amount of a certain property or characteristic. It is usually used in mathematics and physics, and is a numerical measure of how two variables are related. For example, the coefficient of friction is a number that indicates how much resistance there is between two surfaces when one is sliding over the other. In economics, the coefficient of elasticity is used to measure how much of a change in one variable affects a change in another.
Linear regression is a technique used to find the line of best fit for a given set of points. To use linear regression, we must first calculate the mean of all the x and y coordinates. The mean of the x coordinates is 4, and the mean of the y coordinates is 4.5.
We then calculate the sum of the squared differences between the x and y coordinates and their respective means. This sum is 36.5.
Next, we calculate the sum of the products of the differences between the x and y coordinates and their respective means. This sum is -25.
Using the formula for linear regression, we can calculate the slope of the line of best fit. The slope is -1.00.
To calculate the y-intercept of the line of best fit, we use the slope and the mean of the x and y coordinates. The y-intercept is 9.00.
The line of best fit for this set of points is y = -1.00x + 9.00.
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PLEASE HELP!
What is the remainder of the quantity 5 x cubed plus 7 x plus 5 end quantity divided by the quantity x plus 2 end quantity? Show all necessary steps.
Answers
We can use polynomial long division to find the remainder of the expression (5x^3 + 7x + 5) divided by (x + 2). The steps are as follows:
5x^2 - 3x + 19
____________
x + 2 | 5x^3 + 7x + 5
- (5x^2 + 10x)
______________
-3x + 5
-(-3x - 6)
________
11
Therefore, the remainder of (5x^3 + 7x + 5) divided by (x + 2) is 11.
Answer:
The remainder of the polynomial equation is -49
Step-by-step explanation:
let x(t)= t2/3 give the distance of a moving particle from its starting point as a function of time t. for what value of t is the instanteous velocity of the particle equal to its average velocity over the interval (0,8)
Answers
To find the value of t at which the instantaneous velocity of the particle is equal to its average velocity over the interval (0,8), we need to first determine the instantaneous velocity and the average velocity.
The instantaneous velocity of the particle is the derivative of the distance function with respect to time, given by:
v(t) = dx/dt = 2/3 * t^(-1/3)
The average velocity of the particle over the interval (0,8) is the total distance traveled divided by the total time elapsed:
average velocity = (distance traveled) / (time elapsed)
= x(8) / 8
We can find x(8) by plugging t = 8 into the distance function:
x(8) = (8^(2/3)) = 4
Therefore, the average velocity over the interval (0,8) is 4/8 = 1/2.
Now, we need to find the value of t for which the instantaneous velocity is equal to 1/2. Setting v(t) equal to 1/2 and solving for t, we get:
2/3 * t^(-1/3) = 1/2
t^(-1/3) = 3/4
Taking the cube of both sides, we get:
t = (4/3)^3 = 64/27
Therefore, the instantaneous velocity of the particle is equal to its average velocity over the interval (0,8) when t = 64/27.
A triangle is shown with its exterior angles. The interior angles of the triangle are angles 2, 3, 5. The exterior angle at angle 2 is angle 1. The exterior angle at angle 3 is angle 4. The exterior angle at angle 5 is angle 6. Which statements are always true regarding the diagram? Select three options. m∠5 + m∠3 = m∠4 m∠3 + m∠4 + m∠5 = 180° m∠5 + m∠6 =180° m∠2 + m∠3 = m∠6 m∠2 + m∠3 + m∠5 = 180°
Answers
In response to the query, we can state that therefore, the three angle statements that are always true regarding the diagram are: m∠5 + m∠3 = m∠4 and m∠3 + m∠4 + m∠5 = 180° and m∠5 + m∠6 =180°
what are angles?An angle is a shape in Euclidean geometry made composed of two rays, referred to as the angle's sides, that come together at a centre point known as the angle's vertex. An angle that is in the plane where the rays are placed can be produced by two rays. Another angle is produced when two planes collide. Dihedral angles are the name given to them. In planar geometry, an angle is the form made by two rays or lines that share a termination. The English word "angle" derives from the Latin word "angulus," which means "horn." The vertex, also known as the angle's sides, is where the two rays' common terminals meet.
To answer this question, we can use the following facts about the angles in a triangle:
The sum of the interior angles of a triangle is always 180 degrees.
An exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Using these facts, we can analyze the diagram and make the following conclusions:
m∠5 + m∠3 = m∠4 is always true because angle 4 is the exterior angle at angle 3, so m∠4 = m∠3 + m∠5.
m∠3 + m∠4 + m∠5 = 180° is always true because the sum of the three exterior angles of a triangle is always 360 degrees (i.e., one full rotation), so m∠3 + m∠4 + m∠5 = 360°. Also, we know that m∠3 + m∠5 = m∠4, so substituting this gives m∠4 + m∠4 = 360°, which simplifies to 2m∠4 = 360°, or m∠4 = 180° - m∠3 - m∠5. Substituting this into the original equation gives m∠3 + m∠4 + m∠5 = 180°.
m∠5 + m∠6 =180° is always true because angle 6 is the exterior angle at angle 5, so m∠6 = m∠5 + m∠3. Substituting this into the equation gives m∠5 + m∠5 + m∠3 = 180°, which simplifies to m∠5 + m∠6 = 180°.
Therefore, the three statements that are always true regarding the diagram are:
m∠5 + m∠3 = m∠4
m∠3 + m∠4 + m∠5 = 180°
m∠5 + m∠6 =180°
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Seven years ago, Grogg's dad was 9 times as old as Grogg, and 6 years ago, his dad was 7 times as old as Grogg. How old is Grogg's dad currently?
Answers
Answer:
From the first piece of information, we can set up an equation:
D - 7 = 9(G - 7)
Simplifying this equation, we get:
D - 7 = 9G - 63
D = 9G - 56
From the second piece of information, we can also set up an equation:
D - 6 = 7(G - 6)
Simplifying this equation, we get:
D - 6 = 7G - 42
D = 7G - 36
Now we can combine the two equations:
9G - 56 = 7G - 36
Solving for G, we get:
2G = 20
G = 10
So currently, Grogg is 10 years old. We can substitute this value back into either equation to find his dad's age:
D = 9G - 56
D = 9(10) - 56
D = 34
Therefore, Grogg's dad is currently 34 years old.
Step-by-step explanation:
13) Identify the trigonometry ratio that would be used to find a.
14) Identify the trigonometry ratio that would be used to find x.
Answers
The trigonometry ratio that would be used to find a and x is 13. Sine and 14. Tangent.
What is tangent of a function?The right triangle is the foundation of trigonometry. Hence, one of the relationships in that right triangle is defined by the tangent. The ratio of the opposing side to the adjacent side of a specific right triangle angle is the connection that the tangent specifies. You must first identify the hypotenuse in order to find the tangent. The hypotenuse is generally the longest side of the right triangle. After labelling your sides, you proceed to take the proper ratio.
The value of a is opposite to the given angle.
Here, the value of hypotenuse is also known.
Hence, the trigonometric identity that gives the relationship between opposite side and hypotenuse is sine. Option A is the correct answer.
14. For the triangle the segments are opposite side and adjacent side to the given angle.
Hence, the trigonometric identity that gives the relationship between opposite side and adjacent side is tan. Option C is the correct answer.
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HELP ASAP WILL GIVE 100 POINTS AND BRAINLYEST IF YOU DON"T ANSWER WITH THE INTENT TO ANSWER CORRECTLY I WILL REPORT YOU
Answers
Answer:
1.2 x 10^3 = 1,200
1.2 x 10^-2 = 0.012
1.2 x 10^2 = 120
1.2 x 10^-4 = 0.00012
Step-by-step explanation:
Solve for 'a' in f(x) = ax² + 7x + 2 when ∆ = 33
Answers
The value of a in the function f(x) = ax² + 7x + 2 when differentiated is 13/x
Calculating the value of a in the function when differentiatedGiven that the function is represented as
f(x) = ax² + 7x + 2
Also, we have the differentiated function to be
∆ = 33
This means that we differentiate f(x) and set the value to 33
When f(x) is differentiated, we have
∆ = 2ax + 7
By equating the functions, we have
2ax + 7 = 33
This gives
2ax = 26
So, we have
a = 13/x
Hence, the value of a is 13/x
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Compute the limit of the problem in the picture
Answers
Answer:
1/2
Step-by-step explanation:
You want the limit ...
[tex]\displaystyle \lim_{t\to\infty}{\dfrac{t-3}{\sqrt{4t^2+25}}}[/tex]
Solution 1In general, for polynomial-like functions, the limit is the ratio of the highest-degree terms:
[tex]\displaystyle \lim_{t\to\infty}{\dfrac{t-3}{\sqrt{4t^2+25}}} = \lim_{t\to\infty}{\dfrac{t}{\sqrt{4t^2}}}=\dfrac{t}{2t}=\boxed{\dfrac{1}{2}}[/tex]
Solution 2You can consider the limit when x→0 and t=1/x.
[tex]\displaystyle \lim_{t\to\infty}{\dfrac{t-3}{\sqrt{4t^2+25}}} = \lim_{x\to 0}{\dfrac{\dfrac{1}{x}-3}{\sqrt{\dfrac{4}{x^2}+25}}}\\\\\\=\lim_{x\to 0}\dfrac{1-3x}{\sqrt{4+25x^2}}=\dfrac{1}{\sqrt{4}}=\boxed{\dfrac{1}{2}}[/tex]
Find the Error A student concluded that trapezoid ABCD maps exactly to trapezoid
EFGH because a reflection across a vertical line followed by a translation down maps
trapezoid ABCD onto trapezoid EFGH. Find the student's mistake and correct it.
B
A
F
IN
E
D C
G H
Which selections describe an error that the student made and give the correct
response? Select all that apply.
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The student applied the reflection before the translation, which is incorrect. (error) The correct sequence of transformations is a translation followed by a reflection across the vertical line. (Correct response)
What is sequence?In mathematics, a sequence is an ordered list of numbers, usually denoted by {a1, a2, a3, ...}, where each element in the list is called a term or a member of the sequence. Sequences can be finite or infinite, and they can be defined by a formula, a recursive rule, or simply by listing the terms.
by the question.
The student's mistake is that a reflection followed by a translation is not equivalent to just a translation. In other words, the order of the transformations matters.
To correct the mistake, the student could perform the translation first and then the reflection across the vertical line.
The student did not specify the location of the vertical line of reflection. The correct response is to specify the line of reflection that maps the corresponding sides of the trapezoids onto each other.
The student did not specify the distance of the translation down. The correct response is to specify the correct translation that maps the corresponding vertices of the trapezoids onto each other.The student did not consider the orientation of the trapezoids. If the trapezoids have different orientations, a reflection and translation transformation may not map them onto each other. The correct response is to check if the orientation of the trapezoids is preserved under the transformation.To correct the mistake, the student would need to carefully analyze the two trapezoids and their corresponding parts, and consider whether any stretching or skewing is necessary to achieve an exact mapping. Alternatively, the student could use a different method of transformation, such as a rotation or a combination of rotations and translations.
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Write and solve an equation to represent the hanger.
Answers
Answer:
x = 3
Step-by-step explanation:
We know that the mass of 5x's and 2 is the same as 17, so we can represent this in the equation:
5x + 2 = 17
To solve for x, we need to isolate x and move everything else to the other side, so:
5x = 17 - 2
When 2 moves to the right side, the operation is the opposite (so the + turns into a - )
So we know that:
5x = 15
5 multiplied by x is 15, so, to move 5 to the other side, we need to divide:
x = 15/5
So:
x = 3
I need help now !!!!!!!
Answers
The length of segment BD, considering the Geometric Mean Theorem, is given as follows:
C. 8 units.
How to obtain the length of segment BD?The geometric mean theorem in a triangle states that the length of a line segment joining the midpoints of two sides of a triangle is equal to the geometric mean of the lengths of those two sides.
The lengths of the two sides for this problem are given as follows:
4 and 16.
Hence the length of segment BD is obtained with the geometric mean of 4 and 16, as follows:
BD = sqrt(4 x 16)
BD = sqrt(64)
BD = 8 units.
Hence the correct option for this problem is given by option C.
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P-5 x -4 = 5 x 2 pls if anyone know what this proportion is pls let me know thanks
Answers
the answer is 5x^2+5x+4
Answer:
5x^2+5x+4
Step-by-step explanation:
also can someone help me with my questions
Brandi has a deck of 12 cards labeled A through L. Brandi draws a card from the deck and returns it, then draws a card again. What is the theoretical probability that Brandi draws a card with a vowel both times?
A) 6.25%
B) 2.08%
C) 25%
D) 75%
Answers
The prοbability οf getting vοwel card twice is 6.25%
What is prοbability?Prοbability is a way οf calculating hοw likely sοmething is tο happen. It is difficult tο prοvide a cοmplete predictiοn fοr many events. Using it, we can οnly fοrecast the prοbability οr likelihοοd, οf an event οccurring. The prοbability might be between 0 and 1, where 0 denοtes an impοssibility and 1 denοtes a certainty.
Here Tοtal number οf card frοm A tο L = 12.
The vοwel between A tο L = A,E,I
Number οf vοwel = 3
Nοw the prοbability
=> Number οf favοrable incοme/ Tοtal number οf οutcοme
Here Tο draw vοwel in first, the prοbability = 3/12= 1/4
Nοw again the prοbability οf drawing vοwel in secοnd = 3/12 = 1/4.
Then probability of getting vowel twice = [tex]\frac{1}{4} \times \frac{1}{4}[/tex] = 1/16
=> [tex]\frac{1}{16}\times100[/tex] = 6.25%.
Hence the probability of getting vowel card twice is 6.25%.
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Which statement concerning the binomial distribution is correct
Answers
Its CDF shows the probability of each value of X. is correct.
What is probability?Probability is the measure of the likelihood that an event will occur. It is the ratio of the number of outcomes favorable to the event divided by the total number of possible outcomes. Probability is expressed as a number between 0 and 1, where 0 indicates that the event is impossible and 1 indicates that the event is certain to occur.
The binomial distribution is a probability distribution that shows the probability of a success or failure outcome in an experiment that is repeated multiple times. Its PDF (probability density function) shows the probability of each possible value of X, and its CDF (cumulative density function) shows the probability of each value of X and all values of X less than it.
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1. The perimeter of a square field is 64 m. If the field is surrounded by a running path of width 3.5 m, find the area of the path.
Answers
If the perimeter of a square field is 64 m. If the field is surrounded by a running path of width 3.5 m. The area of the path surrounding the square field is 273 square meters.
What is the area?Let's denote the side length of the square field as x meters.
The perimeter of a square is given by the formula: Perimeter = 4 * side length
Write the equation:
4x = 64
Divide both sides by 4:
x = 16
So, the side length of the square field is 16 meters.
Now, we need to find the area of the path surrounding the field.
The new side length of the square including the path is: x + 2 * (width of the path)
Substitute
New side length = 16 + 2 * 3.5 = 23 meters
The area of the path:
Area of path = Area of larger square - Area of original square
Area of larger square = (New side length)^2
= 23²
= 529 square meters
Area of original square = (Side length)²
= 16²
= 256 square meters
Area of path = 529 - 256
= 273 square meters
Therefore the area of the path surrounding the square field is 273 square meters.
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Considering the square field of each side 16 m, once the 3.5 m wide path is added around the square, the total area increases. The difference between the area of the larger square and the original square gives the area of the path as 273 sq m.
Explanation:This problem can be solved focusing on square geometry and area calculations. We begin by understanding that the perimeter of the square is 64 m. Since a square has equal sides, each side measures 16 m (i.e., 64 m divided by 4).
The running path that surrounds the field adds a width of 3.5 m around the square. So the total side length of the larger square (field + path) becomes 16 m + 3.5 m + 3.5 m = 23 m.
The total area of the larger square (field + path) is thus 23 m * 23 m = 529 sq m.
Now we subtract the area of the original field (16 m * 16 m = 256 sq m) from this total. Therefore, the area of the path is 529 sq m - 256 sq m = 273 sq m.
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15. Write the inequality system that is represented in the graph.
Answers
The inequality system that is represented in the graph are-
y < -x -1 and y ≤ x + 2.
How to find inequality system from the graph?We plot both equations in the very same coordinate system in order to visually solve any system of linear equations. The intersection of the two lines is where the system's answer will be found.Graph the resultant line by replacing the inequality sign with just an equal sign.Consider two point on dotted line.
(-1, 0) and (-2, 1)
Fine slope m:
m = (1 - 0)/(-2 + 1)
m = -1
Equation of line:
y - 0 = (-1)(x + 1)
y = -x -1
In the inequality system.
y < -x -1
Consider two point on bold line.
(0,2) and (-2, 0)
Fine slope m:
m = (0 - 2)/(-2 -0)
m = 1
Equation of line:
y - 2 = (1)(x + 0)
y = x + 2
In the inequality system.
y ≤ x + 2
Thus, the inequality system that is represented in the graph are-
y < -x -1 and y ≤ x + 2.
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Help me please I need this
Answers
Answer:
I believe it's B!
Step-by-step explanation:
To get System B from System A, we can use the operation of replacing one equation with a multiple of the other equation. Specifically, we can multiply the first equation of System A by 4 to get:
{32x - 12y = 0, 2x + 7y = 3}
Now, we can see that the first equation of System B is the same as the first equation of the modified System A. The second equation of System B is also equivalent to the second equation of the modified System A, since we can multiply the second equation of the modified System A by 4/2 to get:
{32x - 12y = 0, 8x + 28y = 12}
Therefore, System B can be obtained from System A by replacing one equation with a multiple of the other equation. The correct answer is B.
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Betsy called the post office to find out about the shipping tubes that she could buy there. The person helping her told her that the tubes had a surface area of 172 in2 and a radius of 2 inches. What is the height of the tube? Hint: Shipping tubes are shaped like cylinders. Use the formula for the surface area of a cylinder. SA = 2 × × radius2 + 2 × height × radius × A. 41 inches B. 20.5 inches C. 82 inches D. 164 inches
Answers
The height of the tubes is 11.68 inch
The surface area of the cylinder:The formula for the surface area of a cylinder is:
SA = 2πr² + 2πrhWhere
SA = Surface area r = Radius of the cylinder h = Height of the cylinderHere we have
The surface area of the tube is 172 in² and the radius is 2 inches.
Using the formula,
Surface area of Tube = 2π (2) (2+ h)
= 4π(2 + h)
From the given data,
The surface area of the tube = 172
=> 4π(2 + h) = 172
=> π(2 + h) = 43
=> 44/7 + 22h/7 = 43
=> 44 + 22h = 301
=> 22h = 257
=> h = 11.68 inch
Therefore,
The height of the tubes is 11.68 inch
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35°
y
X
y=[? ]º
25°
Enter
Answers
Answer:
x = 120°
y=60°
These are the answers
The number 36 is 3 times as many as 12. Write this comparison as a multiplication equation.
Answers
By answering the presented question, we may conclude that This equation equation demonstrates that 36 equals the result of multiplying 3 by 12.
What is equation?A math equation is a technique that links two assertions and denotes equivalence using the equals sign (=). In algebra, an equation is a mathematical statement that proves the equality of two mathematical expressions. For example, in the equation 3x + 5 = 14, the equal sign separates the numbers 3x + 5 and 14. A mathematical formula may be used to understand the link between the two phrases written on either side of a letter. The logo and the programmed are usually interchangeable. As an example, 2x - 4 equals 2.
The comparison "36 is three times as numerous as 12" may be written as follows:
36 = 3 x 12
This equation demonstrates that 36 equals the result of multiplying 3 by 12.
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Si le nombre x est choisi est un nombre entier, le résultat obtenu est un multiple de 8.
Answers
Answer:
i don't know
Step-by-step explanation:
you didn't put that answers
what fraction each person gets when they share equally. 8 people share 1 pizza.
Answers
Answer:
Each person would get 1/8 of the pizza if they were to share it equally.
Step-by-step explanation:
Please help me out are these angles adjacent, vertical, complementary, or supplementary? image attached below! =]
Answers
Answer:
B. adjacent
Step-by-step explanation:
"adjacent" means they are next to each other (like, touching, they share a side).
"complementary" means that together they make a right angle, or 90°.
"supplementary" means that together they make 180° (a straight angle-- a straight line)
"vertical angles" are made by crossing two lines (that makes four angles) the vertical angles are opposite from each other (touching only at one point) and they are equal.
Circle O shown below has a radius of 20 inches. Find, to the nearest tenth,
the radian measure of the angle, x, that forms an arc whose length is 38
inches.
Answers
The radian measure of the angle that forms an arc of length 38 inches in Circle O is approximately 1.9 radians.
What is an angle ?
The length of an arc of a circle is given by the formula:
length of arc = radius * angle in radians
Let x be the radian measure of the angle that forms an arc of length 38 inches in Circle O. Then we can write:
38 = 20x
Solving for x, we get:
x = 38/20
x = 1.9 radians (to the nearest tenth)
Therefore, the radian measure of the angle that forms an arc of length 38 inches in Circle O is approximately 1.9 radians.
What is an arc?
In geometry, an arc is a segment of a curve, such as a circle or an ellipse. It is defined as the portion of the curve that lies between two distinct endpoints. An arc is named based on its endpoints, and it can be classified as a minor arc, major arc, or semicircle depending on its length. A minor arc is an arc that measures less than 180°, a major arc is an arc that measures more than 180°, and a semicircle is an arc that measures exactly 180°. The measure of an arc is typically given in degrees or radians, and it can be calculated using the formula:
measure of arc = (central angle/360) * 2πr
where r is the radius of the circle, and the central angle is the angle that the arc subtends at the center of the circle.
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Which graph shows the line y=-3x+1?
A. Graph A
B. Graph B
C. Graph C
D. Graph D
Answers
The graph that shows the line y = - 3 x + 1 would be B. Graph B.
How to find the graph ?To find the graph, you need to find the x and y values from the given equation of line y=-3x+1.
Then look at the graph that has these points.
For x = -2:
y = -3(-2) + 1
y = 6 + 1
y = 7
For x = -1:
y = -3(-1) + 1
y = 3 + 1
y = 4
For x = 0:
y = -3(0) + 1
y = 0 + 1
y = 1
For x = 1:
y = -3(1) + 1
y = -3 + 1
y = -2
For x = 2:
y = -3(2) + 1
y = -6 + 1
y = -5
For x = 3:
y = -3(3) + 1
y = -9 + 1
y = -8
So, the y values for x = -3 to x = 3 are:
x = -3: y = 10
x = -2: y = 7
x = -1: y = 4
x = 0: y = 1
x = 1: y = -2
x = 2: y = -5
x = 3: y = -8
The graph that has these points is therefore Graph B.
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An experiment consists of selecting a card at random from a 52-card deck. Refer to this experiment and find the probability of the event. (Enter your answer as a fraction.)
A club or a jack is drawn.
Answers
4/13 is the probability of drawing a club out of the deck of card if a card at random is selected from a 52-card deck.
Probability of an experiment consisting of a cardThere are 13 clubs and 4 jacks in a standard 52-card deck. However, we need to be careful not to double-count the jack of clubs, which is both a club and a jack.
So the number of cards that are either a club or a jack (excluding the jack of clubs) is:
13 (clubs) + 4 (jacks) - 1 (jack of clubs) = 16
Therefore, the probability of drawing a club or a jack (excluding the jack of clubs) is:
P(club or jack) = number of favorable outcomes / total number of outcomes
= 16 / 52
= 4 / 13
So the probability of drawing a club or a jack is 4/13.
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