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Yuki888 [10]
2 years ago
12

Can anyone help me with this it would be great.

Mathematics
2 answers:
serg [7]2 years ago
5 0

Answer:

  1. The error is that he made the radius a diameter.
  2. The circumstances is 150.8571428 m

Step-by-step explanation:

π = 22/7 or 3.14

Circumference= diameter × 22 / 7

= 2 × radius × 22 / 7

= 2 × 24 × 22/ 7

= 48 × 22 / 7

= 48 / 1 × 22 / 7

= 1056 / 7

= 150.8571428 m

snow_lady [41]2 years ago
3 0

Answer:

11. The student put 24 as the diameter instead of the radius.

12. 48 pi

Step-by-step explanation:

The formula for the circumference of a circle is c = pi x diameter.

However, the question says that the radius is 24m, not the diameter.

To fix it, all you need to to is double the radius to get 48m for the diameter.

48 x pi = 48 pi

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Step-by-step explanation:

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2 years ago
y = x2 - 6x - 8 Complete the square in the quadratic equation in order to write the equation in vertex form.
Airida [17]

Answer:

y = (x-3)^2 - 17

Step-by-step explanation:

To complete the square, take the middle term bx and divide it in two. Then take the square.

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8 0
4 years ago
Need help with my geometry test. Got no idea how to do it.
vagabundo [1.1K]

Answer:

Should be D: Area multiplied by 1/3

Step-by-step explanation:

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7 0
3 years ago
The question says 5k+6k+4k=90. What does k equal?
alina1380 [7]
5k+6k+4k=90 \\ \\ 15k = 90 \ / \ simplify \\ \\ k =  \frac{90}{15} \ / \ divide \ each \ side \ by \ 15 \\ \\ k = 6 \ / \ simplify \\ \\

The final result is, k = 6.
5 0
3 years ago
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