3 years ago

Which of the following expressions is correct?

Mathematics

2 answers:

Sedbober [7]3 years ago

7 0

A because the absolute value of a negative number is its positive absolute value.

Aleksandr [31]3 years ago

5 0

A. |-9| = 9
Because when a number is between those lines, that means it's the absolute value of that number, or number of places from 0 on a number line.

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The length of a rectangular pool is 4 meters less than twice the width. if the pool's perimeter is 88 meters, what is the width?

Usimov [2.4K]

W=x
L=2x-4
Perimeter=88
Perimeter=2(l+w)
88=2(2x-4+x)
88=4x-8+2x
88+8=4x+2x
96=6x
96/6=x
16=x(width)

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4 years ago

Ema ate 6 slices of pizza. She ate 3/4 of a entire pizza. How many slices of pizza were there in all?

Taya2010 [7]

Divide 6 by $\frac{3}{4}$

$\frac{6}{1}$ ÷ $\frac{3}{4}$

Change $\frac{3}{4}$ to a reciprocal

$\frac{6}{1}$ × $\frac{4}{3}$ = $\frac{24}{3}$

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3 years ago

What is the area of the shaded region?

Tresset [83]

Answer:

$21.5 \: {cm}^{2}$

Step-by-step explanation:

Area of the shaded region =Area of square with side 10 cm - Area of circle with radius 5 cm

$= {10}^{2} - 3.14 {(5)}^{2} \\ = 100 - 3.14 \times 25 \\ = 100 - 78.5 \\ = 21.5 \: {cm}^{2}$

5 0

3 years ago

Read 2 more answers

Ryan uses 3 bars of clay for a sculpture. The first bar is 1.15 centimeters long. The second bar is 3.92 centimeters long. What

mash [69]

Since we aren't told the length of the 3rd bar, focus solely on the lengths of the first 2 bars. Add together their lengths: 1.15 cm + 3.92 cm = 5.07 cm.

6 0

4 years ago

What is the opposite integer of 6

kotykmax [81]

It would be negative six.

3 0

3 years ago