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ahrayia [7]
2 years ago
14

Please help me ill give you 50 points

Mathematics
2 answers:
stiks02 [169]2 years ago
6 0

Answer:

the answer is c.24

Step-by-step explanation:

2 to the 3rd power is 8

8 times 3 is 24

so f = 24

hoped that helped

nasty-shy [4]2 years ago
4 0

Answer:

C: 24 fishes

Step-by-step explanation:

Ok so m = months. So substitute 3 for m in the formula:

F = 3*2^m

F = 3*2^3

F = 3*8

F = 24

She will have 24 fishes

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A gardener wants to create a rectangular vegetable garden in a backyard. She wants it to have a total area of 120 square feet, a
erastova [34]
Comment
This is an area problem. The key words are 120 square feet and 12 feet longer.
And of course width is a key word when you are reading this.

Formula
Area = L * W

Givens
W = W
L = W + 12

Substitute and Solve
Area = L* W
120 = W*(W + 12)
W^2 + 12W = 120 square feet
w^2 + 12w - 120 = 0

This does not factor easily. I would have thought that a graph might help but not if the dimension has to be to the nearest 1/100 of a foot. The only thing we can do is use the quadratic formula.

a = 1
b = 12
c = - 120

w = [ -b +/- sqrt(b^2 - 4ac) ]/(2a)
w = [-12 +/- sqrt(12^2 - 4*(1)(-120)] / 2*1
w = [-12 +/- sqrt(144 - (-480)]/2
w = [-12 +/- sqrt(624)] / 2
w = [- 12 +/- 24.979992] / 2 The minus root has no meaning whatever.
w = (12.979992) / 2
w = 6.489995 I'll round all this when I get done

L = w + 12
L = 6.489995 + 12
L = 18.489995

check
Area = L * W
Area = 6.489995*18.489995
Area = 119.999935 The difference is a rounding error

Answer
L = 18.489995 = 18.49 feet
W = 6.489995 = 6.49 feet

Note: in the check if you round first to the answer, LW = 120.0001 when you find the area for the check. Kind of strange how that nearest 1/100th makes a difference.
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3 years ago
Skip counting represents 8×4
Blizzard [7]

It represents that because multiplication is like adding continually so it represent 8+8+8+8 which is 8 x 4

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Serjik [45]
1) 1509
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Happy to help.
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Find the domain and range of the relation:
Taya2010 [7]

Answer:

Domain is (8,7,6,5) and Range is (7,7,7,7)

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2 years ago
What is the value of 8+23×5?
Leto [7]

Answer: 123

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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