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JulsSmile [24]
3 years ago
13

I don't really know what I'm doing but yea I really need help ​

Mathematics
1 answer:
Alexus [3.1K]3 years ago
5 0

Answer:

y = 39

Step-by-step explanation:

y = 4 + 5x

substitute 7 for x

y = 4 + 5(7)

y = 4 + 35

y = 39

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If the edge length of a cube is 12 feet, what is the correct way to write the expression to represent the volume of the cube in
N76 [4]
To show this using exponential form, you need to understand that 12 feet will be multiplied by itself three times.

12 feet x 12 feet x 12 feet = 12^3 (or 12 cubed) ft.³
6 0
4 years ago
Read 2 more answers
Salma and Jared each threw 5 darts at the target shown. Salma scored 19 points by landing 2 darts in A and 3 in B. Jared scored
victus00 [196]

Answer:

5

Step-by-step explanation:

this can be solved using simultaneous equation

2a + 3b = 19  equation 1

1a + 4b = 17    equation 2

Multiply equation 2 by 2

2a + 8b = 34  equation 3

Subtract equation 1 from 3

5b = 15

b = 3

Substitute for b in equation 1

2a + 3(3) = 19

2a = 9 = 19

2a = 10

a = 5

8 0
3 years ago
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4. Lupe knows that there are 4 quarts in a gallon. She wants to convert 6 quarts to gallons, but cannot decide if she should mul
tangare [24]

Answer:

Step-by-step explanation:

4 quarts=1 gallon

1 quart=1/4 gallon

6 quarts 1/4×6=6/4 gallons=3/2 gallons =1  1/2 gallons

or we can say 4 quarts=1 gallon

2 quarts=1/2 gallon

(4+2=6)quarts=(1+1/2)=1 1/2 gallon.

3 0
3 years ago
I will give brainliest answer
sineoko [7]

Answer:

≈ 93.06 cm²

Step-by-step explanation:

Subtract the area of the rectangle from the area of the circle

area of circle = πr² = π × 8² = 64π cm²

area of rectangle = 12 × 8 = 108 cm²

Thus

shaded area = 64π - 108 = 201.062 - 108 ≈ 93.05 cm² ( nearest hundredth )

7 0
3 years ago
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The hypothesis test of cost parameters indicates whether: a.the total cost is similar to that of the prior periods. b.the parame
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Answer:

B. The Parameter are different from Zero

Step-by-step explanation:

3 0
3 years ago
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