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melomori [17]
3 years ago
14

A landscaper charges you to $102 to plant 8 bushes in front of your office building. If you decide to put 12 more of the same bu

shes around the building, how much should the landscaper charge you to plant those bushes?
A. $130.50
B. $153.00
C. $170.00
D. $255.00
Mathematics
2 answers:
alukav5142 [94]3 years ago
6 0

Answer:

D. $255

Step-by-step explanation:

We have been given that a landscaper charges you to $102 to plant 8 bushes in front of your office building.

First of all, we will find cost of planting one bush by dividing 102 by 8 as:

\text{Cost to plant 1 bush}=\frac{\$102}{8}

\text{Cost to plant 1 bush}=\$12.75

Since you want to plant 12 more bushes, so number of total bushes would be 20 (8+12).

To find cost of planting 20 bushes, we will multiply $12.75 by 20.

\text{Cost of planting 20 bushes}=\$12.75\times 20

\text{Cost of planting 20 bushes}=\$255

Therefore, the landscaper will charge you $255 to plant all bushes and option D is the correct choice.

horrorfan [7]3 years ago
5 0
The answer is 153.00.
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3 years ago
The areas of the two watch faces have a ratio of 16:25 What is the ratio of the radius of the smaller watch face to the radius o
Leona [35]

Answer:

The ratio of the radius of the smaller watch face to the radius of the larger watch face is 4:5.

Step-by-step explanation:

Let the Area of smaller watch face be A_1

Also Let the Area of Larger watch face be A_2

Also Let the radius of smaller watch face be r_1

Also Let the radius of Larger watch face be r_2

Now given:

\frac{A_1}{A_2} =\frac{16}{25}

We need to find the ratio of the radius of the smaller watch face to the radius of the larger watch face.

Solution:

Since the watch face is in circular form.

Then we can say that;

Area of the circle is equal 'π' times square of the radius 'r'.

framing in equation form we get;

A_1 = \pi {r_1}^2

A_2 = \pi {r_2}^2

So we get;

\frac{A_1}{A_2}= \frac{\pi {r_1}^2}{\pi {r_2}^2}

Substituting the value we get;

\frac{16}{25}= \frac{\pi {r_1}^2}{\pi {r_2}^2}

Now 'π' from numerator and denominator gets cancelled.

\frac{16}{25}= \frac{{r_1}^2}{{r_2}^2}

Now Taking square roots on both side we get;

\sqrt{\frac{16}{25}}= \sqrt{\frac{{r_1}^2}{{r_2}^2}}\\\\\frac{4}{5}= \frac{r_1}{r_2}

Hence the ratio of the radius of the smaller watch face to the radius of the larger watch face is 4:5.

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A solid shape is made by joining two cones.
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The surface area of the solid shape is the amount of space on it

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<h3>How to determine the radius?</h3>

The given parameters are:

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The surface area of the shape is calculated using:

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Evaluate

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Divide both sides by 5π

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r = 2.93

Hence, the radius of the cones is 2.93 cm

Read more about surface area at:

brainly.com/question/6613758

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2 years ago
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