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Anna007 [38]
3 years ago
8

a salesperson earns $320 per week plus 8% of her weekly sales. the expression representing her earning is 320 + 0.08x. which of

the following describes the sales necessary for the salesperson to earn at least $1000 in one week
Mathematics
2 answers:
GREYUIT [131]3 years ago
7 0

The expression 320 + 0.08x shows the earning of a salesperson for her weekly sales.

To earn at least $1000, we have:

320 + 0.08x > =1000

Subtracting 320 from both sides, we get:

0.08x >= 680

Now we need to Divide the above expression by 0.08 both sides,

So, we get:

x >= 8500

Therefore, to earn at least $1000 in one week, the salesperson needs the sales of greater than or equal to $8500.


My name is Ann [436]3 years ago
4 0

Answer:

X>=8,500 is the answer

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A strobe light is located at the center of a square dance room. the rotating light is 40 feet from each of the square walls and
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The equation of the rotating light is an illustration of a secant function

The equation that represents the distance between the center of the circle and the light source is d(t) = 40\sec(\frac{\pi}{3}t)

<h3>How to determine the equation</h3>

The equation is a secant function represented by

y =A\sec(Bt)

Where:

A represents the amplitude

So, we have:

A = 40 --- the distance of the light from each square wall

B represents the period, and it is calculated as:

B = \frac{2\pi}{T}

The light completes its full rotation every 6 seconds.

This means that,

T = 6

So, we have:

B = \frac{2\pi}{6}

Simplify

B = \frac{\pi}{3}

Substitute values for A and B in y =A\sec(Bt)

y = 40\sec(\frac{\pi}{3}t)

Rewrite as a function

d(t) = 40\sec(\frac{\pi}{3}t)

Hence, the equation that represents the distance between the center of the circle and the light source is d(t) = 40\sec(\frac{\pi}{3}t)

Read more about trigonometry functions at:

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5 0
2 years ago
Tyler has to figure out the amount of metal to cover the back of the shelves in Mrs. Edwards room. These are the dimensions. Wha
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The amount of metal he will need to cover the back of the shelves is 180 inches².

The figure above is like a composite figure. Therefore, lets find the area.

<h3>Area of the composite figure</h3>

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Therefore, two rectangles can be drawn from it.

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Therefore, the amount of metal he will need to cover the back of the shelves is 180 inches².

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4 0
2 years ago
A gardener is planting two types of trees:
ICE Princess25 [194]

Answer:

After 1 year, both the tress will be of the same height.

Step-by-step explanation:

Let us assume in x years, both trees  have same height.

Type A  is 7 feet tall and grows at a rate of 8 inches per year.

⇒The growth of tree A in x years = x times  ( Height growth each year)

                                                        = 8 (x)  = 8 x

⇒Actual height of tree A in x years  = Initial Height + Growth in x years

                                                             = 7 + 8 x

or, the height of tree A after  x years  = 7 + 8x

Type B is 9 feet tall and grows at a rate of 6 inches per year.

⇒The growth of tree B in x years = x times  ( Height growth each year)

                                                        = 6 (x)  = 6 x

⇒Actual height of tree B in x years  = Initial Height + Growth in x years

                                                             = 9 + 6 x

or, the height of tree B after  x years  = 9 + 6x

According to the question:

After x years, Height of tree A  =Height of tree B

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or, 8x - 6x = 9 - 7

or, 2 x  = 2

or, x  =  2/2  = 1    ⇒ x  = 1

Hence, after 1 year, both the tress will be of the same height.

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2 years ago
A committee of three men and two women can be formed from a group of nine men and eleven women in how many different ways.
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Answer:

4620.

Step-by-step explanation:

The number of combinations of 3 men from 9

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The number of combinations of 2 women from 11

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= 55 ways.

So the total number of ways  of men and women in the committee

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= 4620.

8 0
1 year ago
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