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2 years ago

15

Rich as 3 pieces of pizza each pizza end forms a 20 degree angle. if all the pieces were placed together what would the size of

the angle be?

2 answers:

Dima020 [189]2 years ago

8 0

3 pieces times 20 degrees equals 60 degrees <span />

Salsk061 [2.6K]2 years ago

6 0

20 times 3 equals 60

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2 years ago

1)Sheyna drive to the lake and back. It took two hours less time to get there than it did to get back. The average speed on the

ipn [44]

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8 hours

Step-by-step explanation:

Given:

Sheyna drives to the lake with average speed of 60 mph and

$v_1 = 60\ mph$

Sheyna drives back from the lake with average speed of 36 mph

$v_2 = 36\ mph$

It took 2 hours less time to get there than it did to get back.

Let $t_1$ be the time taken to drive to lake.

Let $t_2$ be the time taken to drive back from lake.

$t_2-t_1 = 2$ hrs ..... (1)

To find:

Total time taken = ?

$t_1+t_2 = ?$

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$Time =\dfrac{Distance}{Speed }$

$t_1 = \dfrac{D}{60}\ hrs$

$t_2 = \dfrac{D}{36}\ hrs$

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So,

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