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DiKsa [7]
3 years ago
9

The cost of fertilizing a lawn is​ $0.25 per square foot. find the cost to fertilize the triangular lawn whose base is left pare

nthesis 14 plus startroot 17 endroot right parenthesis feet and altitude is startroot 68 endroot feet.
Mathematics
1 answer:
Alexeev081 [22]3 years ago
6 0
To Calculate the cost of <span>The cost of fertilizing, we need to Calculate first the Area of the Triangle.

</span>the Area of the Triangle = 1/2 x base x altitude = 1/2 x (14+√17) x 68 = 524.08 <span>square foot

</span>The cost of fertilizing = the cost of the square foot x the total area = 0.25x524.08 = 131 <span>$</span>
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Rectangle ABCD is dilated to create rectangle A'B'C'D' . The width of rectangle ABCD is 8 feet. The width of rectangle A'B'C'D'
likoan [24]

Answer:

54 square feet

Step-by-step explanation:

The width of the rectangle ABCD is 8 feet and the area of the same rectangle is 96 square feet.

Hence, the length of the rectangle is (96 ÷ 8) = 12 feet.

Now, if the rectangle ABCD is dilated to rectangle A'B'C'D', then the length and the width of the new rectangle will be changed in the same ratio.

So, \frac{AB}{A'B'} = \frac{BC}{B'C'}  {Where AB is the length and BC is the width}

⇒ \frac{12}{A'B'} = \frac{8}{6}

⇒ A'B' = 9 feet

Therefore, the area of the dilated rectangle A'B'C'D' will be A'B' × B'C' = 9 × 6 = 54 square feet. (Answer)

5 0
3 years ago
Help asap thank you!!!
katovenus [111]

Hi there! :)

<u>Answer:</u>

The good answer is the top left one, which is:

2x -1(5 - 3x) = 4x +2

2x - 5 + 3x = 4x + 2


Step-by-step explanation:

2x <u>- 1</u>(5 - 3x) = 4x + 2

The correct first step is to distribute the "-1" to the entire parentheses:

-1 × 5 = <u>-5</u>

-1 × -3x = <u>3x</u>

Once this first step is done, you are left with an equation looking like this:

2x - 5 + 3x = 4x + 2

Which is the top left answer for you!


There you go! I really hope this helped, if there's anything just let me know! :)

4 0
3 years ago
Olivia is growing roses and keeps track of how much fertilizer (in ounces) she adds to the soil and how many blooms each rose bu
dusya [7]

Answer:

<em>She needs to add no fertilizer, option A)</em>

Step-by-step explanation:

<u>Equation of a Line:</u>

According to the conditions of the question, being x the ounces of fertilizer Olivia adds to the soil, and y the number of blooms each rose bush has, the relation between them is

y = 1.345x + 4

It's bee required to compute the value of x such that the roses have 4 blooms, thus

1.345x + 4=4

Solving for x

1.345x=4-4=0

x=0

This means she needs to add no fertilizer, option A)

8 0
4 years ago
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Henry has $21.50 to ride the trolley around San Francisco this week. It will cost him $0.50 every time he rides. Identify the de
myrzilka [38]

Answer:

Dependent: Cost of the ride.

Independent : Number of rides.

Step-by-step explanation:

The independent variable is the variable what we change and the dependent variable is the variables which changes because of that changes.

Here the total cost of ride changes for any change in the number of rides.

Hence, the number of rides is the independent variable and the total cost of ride is the dependent variable

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3 years ago
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