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2 years ago

2x + 8 - 3x = 3 Solve for x and Show All work

Mathematics

1 answer:

Marianna [84]2 years ago

6 0

First, combine the like terms:

-x+8=3

Then, isolate x:

-x=-5

Then, divide by -1:

x=5

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A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of

Studentka2010 [4]

Answer:

The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

Step-by-step explanation:

A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of 8 dollars.

$Mean = \mu = 87$

Standard deviation = $\sigma = 8$

We are supposed to find proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars i.e.P(104.60<x<108.20)

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

At x = 104.60

$Z=\frac{104.60-87}{8}$

Z= 2.2

At x=108.20

$Z=\frac{108.20-87}{8}$

Z= 2.65

Refer the z table for p value :

P(x<108.20)-P(x<104.60)=P(Z<2.65)-P(Z<2.2)=0.9960-0.9861=0.0099

Hence The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

4 0

2 years ago

What is 4.11 x 7.32 divided by 5

Maurinko [17]

Hello!

$\huge \text{Answer:-}$

$4.11 ~x~ 7.35/5 = 6.01704.$

Just do your time tables, and you will get the answer from there ! Cause- you already know what is the answer is.

Hopefully This Helps !

$\huge \text{Answer:-}$

$\text{Jace}$ ^-^

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2 years ago

Volume 918 yd. what is volume in ft

vitfil [10]

<span>918yd³= 24786.00ft³

i believe that's what you were looking for?</span>

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3 years ago

2y-18x=-26 solve for y

Alekssandra [29.7K]

2y - 18x = -26

Add 18x to both sides.

2y = -26 + 18x

Divide by 2 on both sides.

y = -13 + 9x

y = 9x - 13

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2 years ago

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Soloha48 [4]

Overestimate because then the gardener could possibly save the left overs in case they get a chance to use it or they could give it to someone who may need it.

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2 years ago