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sukhopar [10]
2 years ago
10

3. Jane wants to plant grass Seed in her yard. If it costs $0.55 per Square foot to plant grass Seed, how much will Jane Spend?

Show your work.​

Mathematics
2 answers:
DIA [1.3K]2 years ago
7 0

Answer:

Step-by-step explanation:

area off reg 1

10 x 25 = 250

area of reg 2

45 x 13 = 585

total surface area

585 + 250 = 835ft^2

835ft^2 x $0.55 = $459.25

Norma-Jean [14]2 years ago
6 0
10*25=250
45-10=35
35*13=455
455+250=705
705*$0.55=$387.75
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Answer:

Option B.

Step-by-step explanation:

The given exponential equation is

y=ab^x  ...(1)

It is given that the graph of above equation passes through points (−3, 24) and (−2, 12).

The graph passes through the point (-3,24), so substitute  x=-3 and y=24 in equation (1).

24=ab^{-3}   ...(2)

The graph passes through the point (-2,12), so substitute  x=-2 and y=12 in equation (1).

12=ab^{-2}   ...(3)

Divide equation (3) by equation (2).

\dfrac{12}{24}=\dfrac{ab^{-2}}{ab^{-3}}

0.5=b

Substitute b=0.5 in equation (2).

24=a(0.5)^{-3}

24=\dfrac{a}{(0.5)^{3}}

24=\dfrac{a}{0.125}

24\times 0.125=a

3=a

Substitute a=3 and b=0.5 in equation (1).

y=3(0.5)^x

Therefore, the correct option is B.

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Step-by-step explanation:

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Step-by-step explanation:

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Move 3y to ther right side.

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Answer: 24

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You need to find the common denominator. In the case 24 is the least one because when you multiply 3 by 8, you finally have a common denominator for all three.

If you found this answer helpful, give it a five-star rating and a thanks! It would really mean a lot!

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