Please help as soon as possible

Mathematics

2 answers:

Serjik [45]2 years ago

8 0

Answer:

The answer is 17.5

Hope this helps

Flauer [41]2 years ago

7 0

I’m pretty sure the answer is 17.5

(Hope this helps!!!)

Can I pls have a brainliest?

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−1.64 as a mixed number in simplest form.

liraira [26]

Convert to a mixed number by placing the numbers to the right of the decimal over 100. Reduce the fraction. Then, convert the mixed number to an improper fraction by multiplying the denominator by the whole number and adding the numerator to get the new numerator. Place this new numerator over the original denominator.

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2 years ago

A real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found tha

egoroff_w [7]

Answer:

Between 21 years and 75 years

Step-by-step explanation:

Given that a real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found that the mean age was 48 years old, with a standard deviation of 9 years.

X the ages of home buyers is N(48, 9)

a) $30\leq x\leq 66\\|x-48|\leq 18\\|x-48|\leq 2\sigma$