3 years ago

Simplify the given expression, using only positive exponents. Then complete the statements that follow.

1 answer:

7 0

Answer:

lol but where is the main question

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KatRina [158]

9 x 9 = 81
81 - 21 = 60
60 / -6
10

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3 years ago

Colt1911 [192]

${ 6\choose 2}=\frac{6!}{2!4!}=\frac{6\cdot5}{2}=3\cdot5=15$

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3 years ago

IgorC [24]

Hello! :)

$\large\boxed{\text{70 seconds}}$

Use a proportion to find how many seconds are needed to fold 5 shirts.

We are given that he takes 28 seconds to fold 2 shirts:

28 sec : 2 shirts

We are not given the amount of time needed for 5 shirts, which we need to solve:

x seconds : 5 shirts

Express in a fraction:

$\frac{2 shirts}{28 seconds} = \frac{5 shirts}{xseconds}$

Cross multiply and simplify:

$2 * x = 5 * 28\\\\2x = 140\\\\x = 70 sec$

Therefore, he needs 70 seconds to fold 5 shirts.

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3 years ago

sergeinik [125]

Proportional because it is constantly adding .99¢

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3 years ago

NARA [144]

Answer:

2.02 is what i got

3 0

3 years ago