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Lena [83]
3 years ago
13

What is the product? (9t-4)(-9-4)

Mathematics
1 answer:
grigory [225]3 years ago
4 0

Answer: The product of (9t-4)(-9-4) is -117t+52.

Explanation:

The given expression is,

(9t-4)(-9-4)

Simplify the above expression.

(9t-4)(-13)

Use distributive property t simplify the above expression.

(9t-4)(-13)=9t\times (-13)-4\times(-13)

(9t-4)(-13)=117t+52

Therefore, the product of (9t-4)(-9-4) is -117t+52.

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Ksivusya [100]
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3 years ago
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A simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and
Brrunno [24]

Answer:

.b. It is one‐half as large as when n = 100.

Step-by-step explanation:

Given that a  simple random sample of 100 batteries is selected from a process that produces batteries with a mean lifetime of 32 hours and a standard deviation of 3 hours.

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Correction option is

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Jason ran 325 meters farther than Kim ran. Kim ran 4.2 kilometers. how many meters did Jason run?
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