Justin works in a department store selling clothing. He makes a guaranteed salary of $450 per week, but is paid a commision on top of his base salary equal to 30% of his total sales for the week. How much would Justin make in a week in which he made $2425 in sales? How much would Justin make in a week if he made x dollars in

Answer: W=−1/10

Step-by-step explanation:

Move all terms not containing

W

to the right side of the equation.

Exact Form:

W=−1/10

Decimal Form:

W=−0.1

Recall the definition of the cosecant function in terms of the sine function:

Draw the angle -210º in the unit circle to find a reference triangle for that angle:

Notice that a 30-60-90 triangle is formed:

Since the side opposite to the 30º angle has a length of 1/2, then:

On the other hand, notice that since the angle of -210º lies in the second quadrant, then the value of sin(-210º) is positive:

Use the definition of the cosecant function to find csc(-210º):

Therefore, the value of csc(-210º) is equal to 2.

Answer:

Domain: [0,∞)

Range: (-∞,4]

Step-by-step explanation:

The domain is the numbers along the x-axis, and the range is the numbers along the y-axis. This graph includes a domain from zero to infinity and a range from negative infinity to four. The parentheses () mean that these numbers aren't included, and since infinity isn't an actual number, it gets a parenthesis. The brackets [ ] are used to include a number exactly. Since four and zero are real numbers and are included in this graph they get brackets. We also know that four and zero are included because the dot at point (0,4) is solid and not hollow, which means those numbers are to be included in the domain and the range. Also something to note: you always write the domain and range going from the smallest number to the largest number, this is why the range is written as (-∞, 4] and not [4, -∞).

Answer:[tex]\left(x^2+1\right)\left(5x^6-5x^4+5x^2-6\right)[/tex]

Step-by-step explanation:

We will have that the lateral area will be the following:

*First, we can see that if we were to cut a straight vertical line and unfold the label, we would get a rectangle, thus the surface area of the label will be given by:

Here h is the height of the label and C is the circumference of the base, that is:

Now, we determine the radius of the base, that is:

Now, we replace the values and solve for the surface area:

So, the surface area of the label on the can is approximately 32.7 squared inches.

The addition symbol (+) can be used in between the two parentheses to show that you will be using the distributive property.

Distributive property:

The distributive property states that multiplying the sum of two or more addends by a number produces the same result as when each addend is multiplied individually by the number and the products are added together.

It can be written as,

a x (b + c) = (a x b) + (a x c)

Where a, b and c are the values of the variables.

Given,

Here we have the expression:

8 x 57 = (8 x 50) _____(8x7)

Here we need to find the symbol that can be used in between the two parentheses to show that it will be using the distributive property.

Based on the definition of the distributive property we have know that the symbol (+) can be used to make this one as distributive property used equation.

Therefore, the expression is written as,

8 x 57 = (8 x 50) + (8x7)

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EXPLANATION

Since the vertex is at (-1, -3), the only appropriate option is to translate the function one unit to the left, and again translating 3 units down, with the following form:

g(x) = |x+1| - 3

Therefore, the solution is the last option.

The equation of a line through the origin and (-5,6) is y =  -1.2x

It is important to note that the equation of a line is expressed as;

y = mx + c

Where;

From the information given, we have the points;

(0, 0) and ( -5, 6)

The formula for slope is given as;

slope, m = y₂ - y₁/ x₂ -x₁

slope, m = 6 - 0/ -5 - 0

slope, m = 6/ -5

slope, m = - 1. 2

To determine the intercept, we have;

6 = -1. 2(-5) + c

expand the bracket

c = 6 - 6

c = 0

The equation is given as;

y = -1.2x

Hence, the equation is y = -1.2x

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If m || n and line t cuts them, the value of x is 17 degree

Given that, the line m || line n. and we need to find the value of x

If two lines are parallel and a transversal cuts them then the corresponding alternate interior angles are equal.

Here, line m and line are parallel anf the transversal t cuts them, so the alternate interior angles will be same

2x - 5 = 3x - 22

2x - 3x = - 22 + 5

- x = - 17

x = 17

Therefore, if m || n and line t cuts them,  the value of x is 17 degree

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As a first step we are going to isolate y in both equations:

(1) y=7x-2

(2) -2y=-14x+3

y=7x-3/2

Since they have the same slope 7, that mean these lines are parallel

EXPLANATION

Given the equation:

2(x+7) = 6x + 9 -4x

Applying distributive property:

2x + 14 = 6x + 9 -4x

Adding similar terms:

2x + 14 = 2x + 9

Subtracting -2x to both sides:

14 ≠ 9

--->The equation hasn't got solution.

Answer:

b = 18

The mortar is 17 times ( 3 / 8 ) tall.

The brick height is equal to 18 times ( 2 + ( 1 / 4 ) ).

I don't know the options, so you have to use those values.

Step-by-step explanation:

The question uses imperial units which are generally bad.

12 inches = 1 feet;

The height of the wall should be written in inches for convenience.

4 feet = 4 * 12 inches;

4 feet = 48 inches;

The wall is short 1 + ( 1 / 8 ) inches short of 4 feet.

48 inches - ( 1 + ( 1 / 8 ) inches ) = 46 + ( 7 / 8 ) inches;

Now that the wall is done let's do the bricks. The height of the bricks is 2 + ( 1 / 4 ) inches and the mortar is ( 3 / 8 ) inches tall. The amount of mortar is the number of bricks - 1 because nobody puts extra mortar on the top of the wall.

let b;

46 + ( 7 / 8 ) = b( 2 + ( 1 / 4 ) ) + ( b - 1 )( 3 / 8 );

375 / 8 = b( 9 / 4 ) + ( 3 / 8 )b - ( 3 / 8 );

375 / 8 = ( ( 9 / 4 ) + ( 3 / 8 ) )b - ( 3 / 8 );

375 / 8 = ( ( 18 / 8 ) + ( 3 / 8 ) )b - ( 3 / 8 );

375 / 8 = ( 21 / 8 )b - ( 3 / 8 );

Multiply both sides by 8 to get rid of those annoying fractions.

375 = 21b - 3;

Add 3 to both sides.

378 = 21b;

Divide both sides by 21.

18 = b;

The value of the coordinates of the median AM is (0.5, -1.5)

Given: A(0,1), B(1, -4), C(5,2)

Consider the image attached:

The distance AM is the midpoint of the distance AB. So we can use the midpoint formula:

Xm = (Xa + Xb) /2 and Ym = Ya + Yb/2

Where Xm and Ym are the x and y coordinates of the midpoint M

SInce A(0,1): Xa = 0, Ya = 1

Also B(1, -4);  Xb = 1, Yb = -4

Xm = 0 + 1/2 = 1/2 = 0.5

Ym = 1 + (- 4)/2  = -3/2 = -1.5

Therefore, the coordinates of the median AM is (0.5, -1.5)

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David takes a car to get to the airport in time for his trip. 210 miles distance is the airport from his house in miles.

Given that,

David takes a car to get to the airport in time for his trip. He travels 35 miles in the first hour but understands that if he keeps going at this rate, he will be one hour late. For the final 15 miles to the airport, he speeds up by 15 mph and gets there 30 minutes early.

We have to find how far is the airport from his house in miles.

Distance traveled after 1 hour

Let us take the distance traveled after first 1 hour as y

Distance/speed = time

After 1 hour his speed = (35 + 15) = 50 mph

Total time count of 1 hour and 30 mins is 1.5 hr

y/50 + 1.5 = y/35

Multiply through by350

7y + 525 = 10y

3y = 525

y = 525/3

y = 175 miles

In the first 1 hour, at 35 mph, distance covered = 35 miles

Distance from his home to airport = 175 miles + 35 miles = 210 miles

Therefore, the distance between David's home and the airport is 210 miles.

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Explanation

Step 1

get the slope-intercep form_

we need to use the function to graph the line,so let's convert the given equation in the slope-intercept form,to do that, isolate y

so

so, the equation of the line is

Step 2

now, let's use the equation to find 2 coordiantes of the line

a) for x =0

b) for x= 3

Step 3

finally, draw a line that passes through the points (0,0) and (3,2)

I hope this helps you

For all the given reactions there is a type name for it they are,

1. A + B → AB

2. AB → A + B

3. Hydrocarbon + O₂ → CO₂ + H₂O

4. AB + CD → AD + CB

All the above-mentioned chemical reactions are of the following types

1 → Synthesis

2 → Decomposition

3 → Combustion

4 → Replacement

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The lengths of the major and minor axis of the ellipse, [tex] \displaystyle{ \frac{ {(x - 3)}^{2} }{12} +\frac{ {(y + 4)}^{2} }{24} = 1}[/tex] are;

An ellipse describes the locus of a point on a curve, such that the sum of the distance from two focal points from the points on the curve is a constant.

The given given function of the ellipse can be presented as follows;

[tex] \displaystyle{ \frac{ {(x - 3)}^{2} }{12} +\frac{ {(y + 4)}^{2} }{24} = 1}[/tex]

The above equation can be compared to the standard equation of an ellipse as follows;

[tex] \displaystyle{ \frac{ {(x - h)}^{2} }{ {b}^{2} } +\frac{ {(y - k)}^{2} }{ {a}^{2} } = 1}[/tex]

Where;

(h, k) = The coordinates of the center of the ellipse

a = The length of the semi major axis

b = The length of the semi minor axis

By comparison, we have;

(h, k) = (3, -4)

a = √(24) = 2•√6

b = √(12) = 2•√3

The length of the major axis = 2•a

The length of the minor axis = 2•b

The length of the major axis is therefore;

2•a = 2 × 2•√6 = 4•√6

The length of the minor axis is therefore;

2•b = 2 × 2•√3 = 4•√3

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Answer: 26.25%  basketball practice

Step-by-step explanation: At basketball practice I made 21 out of 80 shots.

Therefore the percentage of shots I made is = 21/80×100%

                                                                          =26.25%

The area of the rectangle is, 128 square inches.

What is perimeter, area?

The area of a shape or figure is the area it occupies, whereas the perimeter of a shape is the distance it encircles on all sides. 

The square unit or unit2 is used as the unit of area, and the unit is also used for the perimeter.

Given: A rectangle has a length that is twice the size of its width. The perimeter of the rectangle is 48 inches.

Suppose the width of the rectangle is x.

So, the length is 2x.

As perimeter is 48 inches.

So, x + x + 2x + 2x = 48

6x = 48

x = 8 inch.

The width of the rectangle is 8 inches.

Therefore, the length of the rectangle is 2x = 2(8) = 16 inches.

Now to find area of the rectangle,

Since,

Area of rectangle =  length x width

                             =  16 x 8

Area of rectangle = 128 inch^2.

Therefore, the area of the rectangle is 128 square inches.

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Answer:

answer of 1st picture

second is not under standing much

In the given scenario, in order to calculate an 88% confidence interval, the z statistics that fall at each line marking the middle 88% of scores in the distribution would be +/- 1.555 (from the table).

Hence the z score = 1.5550

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Answer: Congruent angles are the angles that have equal measure. So all the angles that have equal measure will be called congruent angles. They are seen everywhere, for example, in equilateral triangles, isosceles triangles, or when a transversal intersects two parallel lines.

Step-by-step explanation:

Answer:

y=2x+5, y=4x, y=-3+9/2x

Step-by-step explanation:

8x+4y=20 turns into:

y=2x+5

3y-12x=0 turns into:

y=4x

9x-2y=6 turns into:

y=-3+9/2x

Its a bill question , and percentages

20% of $90.00 .

then 10% of $90 is 9 dollars

so then 2x10% = 20% of $90 is 2x9= 18 dollars

Now add then original pay to tip Pay ,

then

Pay original + Tip = $90 + 18 = $108 dollars

W+(9+3) is the equivalent expression of  (w+9)+3 by using associate property

An expression is combination of variables, numbers and operators.

The given expression is (w+9)+3

The operator in given expression is plus and variable is W.

The associative property of addition states that Changing the grouping of addends does not change the sum.

(x+y)+z=x+(y+z)

Similarly (W+9)+3=W+(9+3)

W+(9+3) is the equivalent expression of  (w+9)+3 by using associate property

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A sale price for the bicycles that would allow this company to achieve a profit of $189,800 is: B. $230.

In order to determine the sale price for the bicycles that would make it possible for this company to achieve a profit of $189,800, we would simply evaluate the profit function by substituting the value of the profit as follows:

P(x) = −2x² + 920x + 84,000

189,800 = −2x² + 920x + 84,000

Re-arranging the profit function by collecting like terms, we have:

2x² + 920x + 189,800 - 84, 000 = 0

2x² - 920x + 105,800 = 0

Dividing both sides by 2, we have:

x² - 460x + 52,900 = 0

Next, we would solve the quadratic equation by using factorization method:

x² - 230x  -230x + 52,900 = 0

x(x - 230) + 230(x - 230) = 0

(x - 230)(x + 230) = 0

x = 230 or -230

Since the price cannot be negative, the required sale price for this company is equal to $230.

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Complete Question:

A bicycle company has designed and built a new model of sports bicycle. They have determined that the profit for the sale of the bicycles can be modeled by the function P(x) = −2x² + 920x + 84,000, where x is the price of each bicycle. Which of the following is a sale price for the bicycles that will allow the company to achieve a profit of $189,800?

A. $210

B. $230

C. $250

D. $270

Answer:

Step 3

Step-by-step explanation:

The mistake was made in Step 3.