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3 years ago

What is -28-(-16) = to on the number line

Mathematics

2 answers:

boyakko [2]3 years ago

7 0

The answer would be -28-(-16) =-12

mezya [45]3 years ago

6 0

Step-by-step explanation:

$- 28 - ( - 16) = - 28 + 16 = - 12$

So, - 28 - ( - 16) = - 12 on number line.

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to find the area of a trapezoid dylan uses the formula A=1/2 (B1+B2)h the bases have lengths of 3.6 cm and 12 1/3 cm. the height

Artemon [7]

Answer:

It is irrational because it can not be represented as a fraction of two integers

Step-by-step explanation:

Given

$B_1 = 3.6$

$B_2 = 12\frac{1}{3}$

$H = \sqrt[3]5$

Required

Why is the area irrational?

First, we need to calculate the area

$Area = \frac{1}{2}(B_1 + B_2) * H$

$Area = \frac{1}{2}(3.6 + 12\frac{1}{3}) * \sqrt[3]5$

$Area = \frac{1}{2}(3.6 + \frac{37}{3}) * 17100$

$Area = \frac{1}{2}(\frac{10.8+37}{3}) * 1.710$

$Area = \frac{1}{2}(\frac{47.8}{3}) * 1.7100$

$Area = \frac{47.8}{6} * 1.7100$

$Area = \frac{47.8* 1.7100}{6}$

$Area = \frac{81.738}{6}$

$Area = 13.623$

<em>It is irrational because it can not be represented as a fraction of two integers</em>

5 0

2 years ago

What number can you use to simplify 5 and 15?

pshichka [43]

Answer:

You can use 5 to simplify 5 and 15, giving you 1 and 3

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7 0

2 years ago

A researcher interviews shoppers at a local mall. The mall was chosen because it was close to the researcher's house.

san4es73 [151]

Convenience sample because it was easier for the researcher to go to.

8 0

2 years ago

Read 2 more answers

What is 2378/2 into a mixed number

Volgvan

There no way that you can make this a mixed number unless you don't simplify all the way, which goes against the laws of math. I guess a fraction out of the answer would be 1189/1...

3 0

2 years ago

a family of 7 bought tickets to the circus. Each family member also bought a souvenir that cost $6. The total amount they spend

pantera1 [17]

Answer:

x = 15

Step-by-step explanation:

y = family members = 7

x = cost of ticket

7x + 6y = 147

Substitute 7 for y:

7x + 6(7) = 147

7x + 42 = 147

Subtract 42 on both sides:

7x + 42 = 147

- 42 -42

7x = 105

Divide both sides by 7:

7x = 105

x = 15

4 0

2 years ago