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rusak2 [61]
3 years ago
14

The number of apples required to bake a pie varies directly with the square of the diameter of the pie tin. If 4 apples are requ

ired for a pie tin with a diameter of 8 inches, how many apples are required for a pie tin with a diameter of 10 inches?
Mathematics
2 answers:
Lesechka [4]3 years ago
5 0

Answer:

5 apples

Step-by-step explanation:

Solution,

4 apples are required for a pie tin with a diameter of 8 inches

For 1 inch of the pie tin 8/4=2 apples are required.

For 10 inches 10/2=5 apples are required.

jenyasd209 [6]3 years ago
3 0

Answer:

  • 6.25 apples

Step-by-step explanation:

Let the number of apples be a and diameter be d.

<u>The relationship is:</u>

  • a = kd², where k is he coefficient of proportionality

We have a = 4 when d = 8.

<u>Find k:</u>

  • 4 = k*8²
  • 4 = 64k
  • k = 4/64
  • k = 1/16

<u>The equation is now:</u>

  • a = d²/16

<u>Find a when d = 10:</u>

  • a = 10²/16
  • a = 100/16
  • a = 6.25 apples
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4 years ago
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Find the midpoint M of the line segment joining the points P = (4, 2) and Q = (-6, -8)
const2013 [10]

Answer:

(- 1, - 3 )

Step-by-step explanation:

the coordinates of the midpoint are the average of the coordinates of the endpoints, then

midpoint = (\frac{4-6}{2}, \frac{2-8}{2} ) = ( \frac{-2}{2}, \frac{-6}{2} ) = (- 1, - 3 )

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2 years ago
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ASAP WILL GIVE BRAINLIEST
Ivahew [28]

Answer:

7, -1

Step-by-step explanation:

Find which values of k will fit both expressions.

k^2 - 5k = k + 7

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k = 7, -1

4 0
2 years ago
1. If r = 5, s = 2, t = 7, and u = 1 then evaluate the expression: s + 7 *
rosijanka [135]

Answer:

1. s + 7 = 9

2. 5r - 4 = 21

3. t - s = 5

4. u + r = 6

5. 11t - 7 = 70

6. 6 + 3u = 9

7. 4r - 10s = 0

8. r with an expnent of 2 +8 = r^{2} + 8 = 33

9. 30 over r = \frac{30}{5} =6

10. 2t with an exponent of 2-18 = (2t)^{2} - 18 = 178

Step-by-step explanation:

1. If r = 5, s = 2, t = 7, and u = 1 then,

s + 7  = 2 + 7 = 9

2. If r = 5, s = 2, t = 7, and u = 1 then,

5r - 4  = 5(5) - 4 = 25 - 4 = 21

3. if r = 5, s = 2, t = 7, and u = 1 then,

t - s  = 7 - 2 = 5

4 .If r = 5, s = 2, t = 7, and u = 1 then,

u + r  = 1 + 5 = 6

5. If r = 5, s = 2, t = 7, and u = 1 then,

11t - 7  = 11(7) - 7 = 77 - 7 = 70

6. If r = 5, s = 2, t = 7, and u = 1 then,

6 + 3u = 6 + 3(1) = 6 + 3 = 9

7. If r = 5, s = 2, t = 7, and u = 1 then,

4r - 10s = 4(5) - 10(2) = 20 - 20 = 0

8. If r = 5, s = 2, t = 7, and u = 1 then,

r with an exponent of 2 +8 = r^{2} + 8 = 5^{2} + 8 = 25 + 8 = 33  

9. If r = 5, s = 2, t = 7, and u = 1 then,

30 over r = \frac{30}{r} = \frac{30}{5} = 6

10.If r = 5, s = 2, t = 7, and u = 1 then,

2t with an exponent of 2-18 = (2t)^{2} - 18 =  (2.7)^{2} - 18 = (14)^{2} - 18 = 196 - 18 = 178

7 0
3 years ago
These are not college level, I don't think.
Dovator [93]

Answer:

x=(-3)/b            WHEN b=3 x=(-1)

Step-by-step explanation:

-2bx+10=16

-2bx=6

bx=-3

b=-3/x

x=-3/b

3 0
4 years ago
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