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4 years ago

What does 1/2 and 2/8 =

Mathematics

1 answer:

jeyben [28]4 years ago

6 0

$\frac{1}{2} + \frac{2}{8} = \frac{1 * 4}{2 * 4} + \frac{2}{8} = \frac{4}{8} + \frac{2}{8} = \frac{6}{8} = \frac{3}{4}$

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Calculate the density of benzene if 0.10L has a mass of 36.4g.

adelina 88 [10]

Answer:

$d=0.364\ g/cm^3$

Step-by-step explanation:

It is given that,

Mass of benzene, m = 0.1 L

Mass, m = 36.4 g

We know that, 1 L = 1000 cm³

0.1 L = 100 cm³

The density of an object is equal to its mass divided by its volume. So,

$\rho=\dfrac{m}{V}\\\\=\dfrac{36.4\ g}{100\ cm^3}\\\\=0.364\ g/cm^3$

So, the density of benzene is $0.364\ g/cm^3$ .

8 0

3 years ago

How can you Express 3 3/8 as a fraction ?

Solnce55 [7]

Answer:

You mean improper fraction?

3 x 8 = 24

24 + 3 = 27

27/8

3 0

3 years ago

What does the number line above represent?

sattari [20]

It is the last one. A closed circle means less than or equal to, so that crosses out the top two. The third says five is greater and we know that is not true because the line is decreasing in value. It must be the fourth.

8 0

3 years ago

What is the volume of a square pyramid if the perimeter of the base is 44 in and the height is 19 in.? Round to the nearest tent

Verdich [7]

Answer:

766.3 square inches

Step-by-step explanation:

The volume of pyramid is given by

volume = 1/3(area of base) * height of pyramid

Given shape of base is square and

Perimeter of that square is 44inches

We know that perimeter for square is given by 4* length of side

Thus,

44 inches = 4* length of side

 Length of side = 44/4 = 11 inches

_____________________________________________

Area of square is given by side*side.

Thus, area of square base of pyramid is = 11*11 inches square = 121 inches square

Now that we have area of base and height of pyramid .

Substituting these value in formula for volume of pyramid we have

volume = 1/3(area of base) * height of pyramid

 volume = 1/3*(121) * 19 = 2,299

 volume = 766.33

Volume of square pyramid rounded to nearest tenth is 766.3 square inches

4 0

3 years ago

Which numbers are greater than -8.67

garik1379 [7]

Answer:

Step-by-step explanation:

Any number to the right of x = -8.67 on a number line is greater than -8.67.

Examples of numbers greater than -8.67: -8.666, -8.5, 0, 8.67

6 0

3 years ago