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2 years ago

9

What is 3 and one half times 2 and one third.

1 answer:

nevsk [136]2 years ago

3 0

3 1/2 * 2 1/3 First add the front numbers in to the fraction.
(3 times 2 +1 over 2, and 3 times 2 plus 1 over 3)
7/2 * 7/3 Do this by multiplying the front numbers by the bottom numbers, and adding the top number. then place the final number on top, and keep the bottom number the same.

then multiply the fractions by multiplying the two tops, and the two bottoms.

49/6 Then reduce the fraction.

8 1/6 This is the answer

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On a number line, why is 0 important?

dmitriy555 [2]

0 is the starting pointing for equations that are for positive numbers. 0 sets an easy way to figure out problems that have negatives. 0 is important to solve any problem with integers, and decimals!

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2 years ago

Read 2 more answers

Jane works at a ski shop. She earns $11/hr and $15 for every set of skis she sells. Let h represent the hours worked, s represen

saveliy_v [14]

Answer:

11h + 15s = E

Step-by-step explanation:

E = total earnings

s = the amount of skis sold

h = how many hours she works

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2 years ago

A survey of 391 children given at a local elementary school showed that 175 like chocolate ice cream, 150 like pistachio ice cre

poizon [28]

Answer:

325

Step-by-step explanation:

Just add the number of kids who like chocolate, 175 to the number of kids of like pistachio, 150, and you get 325 children

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1 year ago

The Kamp family has twins, Rob and Rachel. Both Rob and Rachel graduated from college 2 years ago, and each is now earning $50,0

dybincka [34]

Answer:

z-value of rachel = 1.875

z-value of rob = -2

z-value of Rachel is more than that of rob. Thus rob is earning below average and rachel is earning above average.

Step-by-step explanation:

Let's denote the salary of Rob and Rachel per year by X. So, X = $50,000

We are told that;

For Rachel's industry;

Mean salary;μ1 = $35,000

Standard deviation;σ1 = $8,000

For Rob's industry;

Mean salary;μ2 = $60,000

Standard deviation;σ2 = $5,000

Formula for z - value is;

z = (X - μ)/σ

Thus;

z-value for rob is;

z2 = (X - μ2)/σ2

z2 = (50000 - 60000)/5000

z2 = -2

z-value for rachel is;

z1 = (X - μ1)/σ1

z1 = (50000 - 35000)/8000

z1 = 1.875

z-value of Rachel is more than that of rob. Thus rob is earning below average and rachel is earning above average.

5 0

2 years ago

Write an equation that is parallel to the line 2x - 3y = 9 and passes through the point (4, -1).

insens350 [35]

Answer: $y = \frac{2x}{3} - \frac{11}{3}$

Step-by-step explanation:

Equation of the line given ;

$2x - 3y = 9$

To find the slope of the line we will make y the subject of formula , that is

$3y = 2x - 9$

$y = \frac{2x}{3}-3$

Therefore ; the slope = $\frac{2}{3}$

Two lines are said to be parallel if they have the same slope

This means that the slope of the second line = $\frac{2}{3}$

Using the formula $y-y_{1}= m ( x - x_{1} )$ to find the equation of the line , we have

$y - (-1 ) = \frac{2}{3} (x - 4 )$

$y + 1 = \frac{2x}{3} -\frac{2}{3}(4)$

$y + 1 = \frac{2x}{3} - \frac{8}{3}$

$y = \frac{2x}{3}- \frac{8}{3} - 1$

$y = \frac{2x}{3} - \frac{11}{3}$

7 0

2 years ago