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Nuetrik [128]
3 years ago
7

Alan has a business mowing lawns for $20 per lawn and raking leaves for $0.75 per pile. His goal is to earn exactly $30 each tim

e he mows a lawn and rakes leaves. If x represents the number of piles of leaves, which equation models Alan’s goal?
Mathematics
2 answers:
myrzilka [38]3 years ago
7 0

Answer:

Step-by-step explanation:

20+0.75x

20+0.75(14)

20+ 10.5 = 30.5

stepan [7]3 years ago
4 0

Answer:

0.75x+20=30

Step-by-step explanation:

Let x be the no. of piles of leaves

Cost of raking leaves per pile= $0.75

Cost of raking leaves x piles= 0.75 x

Cost of mowing lawn = $20

His goal is to earn exactly $30 each time he mows a lawn and rakes leaves.

So, equation becomes : 0.75x+20=30

Hence equation models Alan’s goal is  0.75x+20=30

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Bonnie planted a garden in her backyard. Both the garden and the backyard are right triangles. The garden is proportional to the
Mandarinka [93]
You can find the area of Bonnue's backyard by comparing the hypotenuse of the garden to the hypotenuse of the back yard.  If the hypotenuse of the garden is 10 (with the side lengths being 6, 8 and 10 - the longest is always the hypotenuse) and the hypotenuse of the back yard is 30, this is a scale factor of 3 (3 times longer).

This means the other two sides would also be 3 times longer.

6 yards x 3 = 18
8 yards x 3 = 24

To find the area using these dimensions, you will use the formula for finding the area of a triangle.

A = 1/2bh
A = 1/2 x 18 x 24
A = 216 square yards

The area of the backyard is 216 square yards.
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3 years ago
Your goal this year is to earn a B or better in Algebra
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6 0
3 years ago
Lizards can eat 45 ants per minute. How long would it take to eat 1,080 ants?
dsp73

Answer: 24 minutes!

Step-by-step explanation: As mentioned, it can eat 45 ants per minute, How long would it take to eat 1,080 ants?

It's simple, just divide 1080 by 45 and when you divide it, the answer is 24!

4 0
3 years ago
the ratio of red marbles to blue marbles in a bag is 3:4. if there are 42 marbles in the bag, how many of the marbles are red?
AlexFokin [52]

Answer:

18

Step-by-step explanation:

Sum the parts of the ratio, 3 + 4 = 7

Divide the amount of marbles by 7 to find the value of one part of the ratio

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8 0
3 years ago
The Correct Answer Is?
Alekssandra [29.7K]
Hello!

n<span>≤-1/2 means that n is less than the open circle, because an open circle means the variable can not be equal to that point. so your answer is: D

I hope this helps, and have a nice day.
</span>
8 0
3 years ago
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