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3 years ago

6

On the treadmill, Bethany walks at a rate of 3 steps every 2 seconds. At this rate, how many seconds will it take Bethany to wal

k 60 steps?

1 answer:

Darya [45]3 years ago

6 0

Answer:

67

Step-by-step explanation:

do the math duuuuu

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Which set of numbers could represent the side lengths of a right triangle?

sveticcg [70]

Answer: D) 8, 15, 17

<u>Step-by-step explanation:</u>

In order for three side lengths to represent a right triangle, they must satisfy the Pythagorean Theorem: a² + b² = c² where c is the largest side.

A) 2² + 3² = 4²

4 + 9 = 16

13 = 16 FALSE

B) 4² + 5² = 6²

16 + 25 = 36

41 = 36 FALSE

C) 6² + 9² = 12²

36 + 81 = 144

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64 + 225 = 289

289 = 289 TRUE!

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3 years ago

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Answer:

C. π ft ²

Step-by-step explanation:

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A sweater cost$12 more than a shirt.together they cost$46.what was the price of the shirt

Dmitry [639]

The shirt cost 34 dollars.

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3 years ago

Factor each completely. <br><br>10a² - 9a + 2 <br><br>

Sophie [7]

Answer:

a= $\frac{2}{5}$ or $\frac{1}{2}$

Step-by-step explanation:

Equate the equation to zero

$10a^{2}$ -9a+2=0

$10a^{2}$ -5a-4a+2=0

5a(2a-1)-2(2a-1)=0

Write out the factors

(5a-2)(2a-1)=0

Then equate each factor to zero

5a-2=0 OR 2a-1=0

5a=2 OR 2a=1

a= $\frac{2}{5}$ OR a= $\frac{1}{2}$

a= $\frac{2}{5}$ or $\frac{1}{2}$

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3 years ago