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2 years ago

7 whole number 2/3 -4 5/6 + 2 3/8

Mathematics

1 answer:

denis-greek [22]2 years ago

4 0

Im not sure ask ur teacher

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A family’s cell phone plan costs $65per month for 1,100 minutes and 35 cents per minute over the limit this month the family

gulaghasi [49]

Answer:

0.35x +65=1100+x

Step-by-step explanation:

Hey ya didnt get the question here

so I creat a equation that ya can use

let x be the number of the phone calls Min that is MORE THAN 1100 min

0.35x +65=1100+x

Hope this help ya

Red

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3 years ago

2/7x9 in simplest form

Bumek [7]

Answer: 36

Step-by-step explanation:

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2 years ago

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Jane deposits $600 in her new savings account. She consistently deposits the same amount (x) into the account each month. At the

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Answer:

its b and e

Step-by-step explanation:

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3 years ago

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What is the distance etween (-1,2) and (2,7)

vekshin1

Answer:

d(A,B)=square root of 34 ≈ 5.831

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3 years ago

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At a local company, the ages of all new employees hired during the last 10 years are normally distributed. The mean age is 38 ye

N76 [4]

Answer:

P = 21%

Step-by-step explanation:

We look for the percentage of employees who are not more than 30 years old.

This is:

$P = \frac{x}{n} *100\%$

Where x is the number of new employees who are not over 30 years old and n is the total number of new employees.

We do not know the value of x or n. However, the probability of randomly selecting an employee that is not more than 30 years old is equal to $P = \frac{x}{n}$

Then we can solve this problem by looking for the probability that a new employee is not more than 30 years old.

This is:

$P(X< 30)$

Then we find the z-score

$Z = \frac{X - \mu}{\sigma}$

We know that:

μ = 38 years

$\sigma = 10$ years

$Z = -0.8$

Then

$P (X$

By symmetry of the distribution

$P(Z0.8)$

Looking in the normal standard tables

$P(Z>0.8)=0.211$

Finally P = 21%

3 0

3 years ago

7 whole number 2/3 -4 5/6 + 2 3/8 ​

7 whole number 2/3 -4 5/6 + 2 3/8