Geometry ppl i need help please
It’s 13 - 17
It’s unit 2
lesson 2.6 Properties & algebraic proofs
Answers
13. You are correct. You multiply the outer 5 with each term inside, and add.
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14. The number 0 goes in the first blank and 8 goes in the second blank. So we have 8+0 = 8. The identity property of addition says that adding 0 to any number leads to the same result. In terms of algebra, x+0 = x.
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15. The fraction 1/8 goes in the first blank and 1 goes in the second blank. We have the equation 8(1/8) = 1. Multiplying any nonnegative number x with its reciprocal 1/x leads to 1.
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16. The number 1 goes in the first blank and -4 goes in the next blank. This property is similar to the property mentioned in problem 14. This time we're working with the multiplicative version. We have the equation -4*(1) = -4
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17. The letter a goes in the first blank and x+3 goes in the second blank. So the last equation is a = x+3. The transitive property is the idea of us chaining equations together. It's like saying "if A goes to B, and B goes to C, then A goes to C". Think of it like taking a shortcut bypassing B entirely.
Related Questions
evaluate x2+x-12÷y2 for x = 5 and y =2
Answers
Answer:
3
Step-by-step explanation:
|8x+3|=12 what’s the answer
Answers
Answer:
x= 9/8 , -15/8
Step-by-step explanation:
Answer:
x = 1.125 , x = 9/8
Step-by-step explanation:
|8x+3| = 12
=> 8x + 3 = 12
=> 8x = 12-3 = 9
=> 8x = 9
=> x = 9/8
As 9/8 is a fraction let's make it a decimal.
9/8 * 125/125 (To make it into a power of ten so that we can convert)
=> 1125 / 1000
=> 1.125
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The cost of a DVD box set increased from $30 to $35. A student says that this represents a 5% increase in the price. Explain the student’s error. What is the actual percent increase?
A. The student used the difference as the percent increase. The actual percent increase is about 105%.
B. The student used the difference as the percent increase. The actual percent increase is about 17%.
C. The student forgot to add 100% for the original price. The actual percent increase is 105%.
D. The student forgot to add 100% for the original price. The actual percent increase is 117%.
Answers
Answer:
it b
Step-by-step explanation:
hope it help
Verify the following: 3
−21 × −4 + −6 = −21 × −4 + (−21) × (−6)
Answers
Answer:
the answer is -14 how about
study math next time
Answer:
Incorrect
Step-by-step explanation:
Use PEMDAS
Solve one side of the equation first
-21 × -4 + - 6
negative × negative = positive
84 + - 6
positive + negative = negative
84 - 6
78
Now solve the other side of the equation
-21 × -4 + (-21) × (-6)
negative × negative = positive
-21 × -4 + (126)
negative × negative = positive
84 + 126
210
Does 78 = 210?
No, so we can assume this equation is incorrect
James wanted to know if Earth and Mars added together were as big as Jupiter.
Earth is 1.28 X 1007 m
Mars is 6.79 X 10^6 m
jupiter is 1.43 X 10^8 m
Add the diameters of earth and Mars to see if they are bigger than Juipter. Show your work
+
Answers
Answer:
Mars is 6.79 X 10^6 m
Step-by-step explanation:
Mars is at a distance of 206,600,000 km from the Sun at perihelion At aphelion, Earth is at a distance of 152,100,000 km from the Sun. This is a difference of 54,500,000 km, or 34,000,000 miles.
Answer:
Mars is 6.79 X 10^6 m
Step-by-step explanation:
Make him brainliest!
I need help with this
Answers
Answer:
3 weeks.
Step-by-step explanation:
Answer:
3 weeks
Step-by-step explanation:
Hope this helps
You are trying to find the distance AB between two points on either side of a river. You
measure the following distance:
Answers
Answer:32ft
Step-by-step explanation: I missed this as well, ED and AB are the same and if you don’t read you skip over the fact ED equals 32ft. Since ED and AB equal eachother it would be 32ft
The value of AB = 32 feet
What is congruency ?Congruent shapes are shapes that are exactly the same. The corresponding sides are the same and the corresponding angles are the same.
Given:
EC= 32 ft = BC
DC= 28 ft =AC
<ECD= <BCA
So, In ΔECD and ΔBCA
EC = BC
DC= AC
<ECD= <BCA
Thus, by SAS ΔECD ≅ ΔBCA
Hence, by CPCT : ED= BA = 32 ft.
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express 52/9 as a decimial
Answers
Hey there!
In order for you to convert/ express a fraction as a decimal you SHOULD:
DIVIDE the numerator (the TOP number) from the denominator (the BOTTOM number)
Now that we have that guide/side note we can answer your question, shall we?
52/ 9 = 5.777778
If you’re rounding to your Answer, then it’ll be: 5.78
Overall answer is: 5.777778 ✅
Good luck on your assignment and enjoy your day!
~LoveYourselfFirst:)
How many yards is 38.7 cm? Write your answer in scientific notation with 3 sig figs.
Answers
Answer:
=0.423 yards (3 sig figs.)
Step-by-step explanation:
38.7÷91.44
=0.4232283
=0.423 yards (3 sig figs.)
i need help please for geometry
Answers
Answer:
EF ≈ 1.98
Step-by-step explanation:
Using the sine ratio in the right triangle
sin26° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{EF}{FD}[/tex] = [tex]\frac{EF}{4.5 }[/tex] ( multiply both sides by 4.5 )
4.5 × sin26° = EF
4.5 × 0.44 = EF , that is
EF ≈ 1.98 ( to 2 dec. places )
Solve sx+tx=r for x?
Answers
Answer:
x= r/s+t
Step-by-step explanation:
Explain how to divide an integer by a decimal
Answers
Answer:To divide decimal numbers: Multiply the divisor by as many 10's as necessary until we get a whole number. Remember to multiply the dividend by the same number of 10's.
Step-by-step explanation:
when you went to bed the temperature was -5.5 it fell 3.4 degrees overnight what is the temperature now
Answers
Answer:
-2.1
Step-by-step explanation:
3.4 minus -5.5
9=4(s-3)
Help me what’s the correct answer?
Answers
Answer:
s=5 1/4
Step-by-step explanation:
Have a wonderful day
Choose the scenario below that matches this number sentence:
27 ÷ 5
A) 27 people share 5 bags of chips.
B) 5 people share 27 brownies.
Answers
Step-by-step explanation:
B 27 bags of chips by 5 people
Answer:
B) 5 people share 27 brownies.
Step-by-step explanation:
This is the answer because:
1) If 5 people are sharing 27 brownies, it means they are basically asking, how many brownies did each person get. Then, we would write the numerical sentence: 27 ÷ 5 because we want to know how many brownies each person got.
Hope this helps! :D
pls help me with this
Answers
Answer:
I would say 3
Step-by-step explanation:
Most reasonable
Combined Variation:
The safe load for a horizontal beam supported at both ends varies
jointly as the width and the square of its depth and inversely as
the distance between the supports. If a 4 cm by 6 cm beam,
10 m long supports 5 kg when standing on the edge, what is the
safe load if the beam is turned on its side?
Answers
Answer:
The formula would be
wd^2c/l = p
(2*1^2c)/4 = 10
(2*1c)/4 = 10
2c/4 = 10
c = 20
3*2^2*20/6 = p
3*4*20/6 = p
240 pounds
hope it help :)
Step-by-step explanation:
The safe load if the beam is turned on its side will be 240 pounds.
What is a load?A burden or pressure source that is carried by someone or something. Construction loads are defined as the weights placed on an existing or temporary structure both during and after the construction process.
Given that the safe load for a horizontal beam supported at both ends varies jointly with the width and the square of its depth and inversely with the distance between the supports. If a 4 cm by 6 cm beam, 10 m long supports 5 kg when standing on the edge,
The load will be calculated by using the formula below:-
wd²c/l = p
(2 x( 1 ) ²c)/4 = 10
(2x 1c)/4 = 10
2c/4 = 10
c = 20
3 x ( 2 )²x ( 20/6 ) = p
3 x 4x ( 20/6 ) = p
p = 240 pounds
Therefore, the safe load if the beam is turned on its side will be 240 pounds.
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- |4x+10|-7=-14 solve for x
Answers
Answer:I forgot how to solve that
Step-by-step explanation:
What is 5280 divided by 60
Answers
Answer:
ya the answer is 88
Step-by-step explanation:
15 – 4(x – 3) = 5x + 9
I need the answer with work shown
Answers
Answer:
2
Step-by-step explanation:
15-4(x - 3)=5x+9
15-4x+12=5x+9
collect the like terms
27-9=5x+4x
18=9x
divide both sides by 9
x=2
Answer:
Your answer is: x = 2
Step-by-step explanation:
Hope this helped : )
Create two tables with at least four coordinates each. In the first table, choose coordinates that make the relation a function. In the second table, choose coordinates that don't make the relation a function. Explain in complete sentences how you determined which coordinates would define a function and which coordinates would not.
Answers
9514 1404 393
Answer:
function: (1, 98), (2, 98), (3, 2), (4, -86)not a function: (1, 98), (2, 98), (3, 2), (3, -86)Step-by-step explanation:
A relation that is a function has unique x-values. A relation that is not a function has at least one x-value that is repeated. The y-values do not need to be unique in either case, except that a repeat of the same (x, y) pair does not disqualify a relation from being a function.
In the table shown above, the non-function has the x-value of 3 repeated with different y-values.
how many solutions does a independent system of equations have?
Answers
Answer:
one solution
An independent system of equations has exactly one solution (x,y) . An inconsistent system has no solution, and a dependent system has an infinite number of solutions.
Step-by-step explanation:
Simple geometry that I don’t know cuz I’m a dum dum
Answers
you do 2(5x-5)=(6x+50) and simplify, then you get x=15.
y=7
Once again, you do (5y+5)=(7y-9) and simplify. you get y=7.
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Select all that apply. The number -2 is a...
A: Natural Number
B Whole Number
C Integer
D Rational Number
E Irrational Number
F Real number
Answers
Answer:
it is an integer
Step-by-step explanation:
bc it's -3
if PQ = 5 and QR = 17 , find PR
Answers
PR would be 17.72 as the hypotenuse, according to the measurements, is 17.72
What is the slope of y=-x perpendicular to the equation
Answers
[tex] \frac{1}{2} x[/tex]
Find the measure of the exterior angle.
64
76
Answers
Using the exterior angles theorem, the measure of the exterior angle(k) is 140 degrees.
How to find the exterior angles of a triangle?The exterior angle theorem states that the measure of an exterior angle is equal to the sum of the measures of the two remote interior angles of the triangle.
The two remote interior angles are 76 degrees and 64 degrees.
Therefore,
76 + 64 = k
k = 140 degrees.
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A deluxe bakery sells a cookie for $2.38, a brownie for $3.07 and a cake for $14.87. On Wednesday they sold 13 cookies, 4 brownies and 4 cakes. The cost in ingredients for each cookie is $1.7, for each brownie is $1.91 and for each cake is $5.83. How much profit did they make on Wednesday?
Answers
Answer:
$ 49.64
Step-by-step explanation:
Selling price of cookie on Wednesday = 13 × 2.38 = $30.94
Selling price for brownie on Wednesday = 4 × 3.07 = $ 12.28
Selling price for cakes on Wednesday = 4 × 14.87 = $ 59.48
Cost price for cookie = 13 × 1.7 = $ 22.1
Cost price for brownie = 4 × 1.91 = $ 7.64
Cost price for cakes = 4 × 5.83 =$ 23.32
Total profit for Wednesday= Total selling price - total cost price
That is;
(30.94 + 12.28 + 59.48) - (22.1 + 7.64 +23.32) = $ 49.64
Which ones are incorrect and what did they forget
Answers
Left after party and you want to split it into four pieces what fraction of the original cake is each slice? A) 1/8. B) 1/4. C) 1/2. D) 2/1
Answers
Answer:
1/4
Step-by-step explanation:
because you are spitting it into fourths
Answer:
1/8
Step-by-step explanation: