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4 years ago

Find the volume of a cube 8 1/8 cm.

Mathematics

2 answers:

vichka [17]4 years ago

6 0

I hope this helps you

8 1/8 65/8

Volume =(65/8)^3

Volume =274625/512

Volume =536,376

faltersainse [42]4 years ago

3 0

Answer:

Volume of cube = 536.37 cm³.

Step-by-step explanation:

Given : Cube having side $8\frac{1}{8}$ .

To find : Find the volume of a cube.

Solution : We have given

Side = $8\frac{1}{8}$ = $\frac{65}{8}$ .

Volume of the cube = $Side^{3}$ .

Plug the value of side = $\frac{65}{8}$ .

Volume of the cube = $(\frac{65}{8})^{3}$ .

Volume of cube = 536.37 cm³.

Therefore, Volume of cube = 536.37 cm³.

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Please can I have an explanation also, I am terrible at these kinds of questions!

wlad13 [49]

Answer:

The fraction of the beads that are red is

Step-by-step explanation:

Algebraic Expressions

A bag contains red (r), yellow (y), and blue (b) beads. We are given the following ratios:

r:y = 2:3

y:b = 5:4

We are required to find r:s, where s is the total of beads in the bag, or

s = r + y + b

Thus, we need to calculate:

$\displaystyle \frac{r}{r+y+b} \qquad\qquad [1]$

Knowing that:

$\displaystyle \frac{r}{y}=\frac{2}{3} \qquad\qquad [2]$

$\displaystyle \frac{y}{b}=\frac{5}{4}$

Multiplying the equations above:

$\displaystyle \frac{r}{y}\frac{y}{b}=\frac{2}{3}\frac{5}{4}$

Simplifying:

$\displaystyle \frac{r}{b}=\frac{5}{6} \qquad\qquad [3]$

Dividing [1] by r:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+y/r+b/r}$

Substituting from [2] and [3]:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{1+3/2+6/5}$

Operating:

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{1}{\frac{10+3*5+6*2}{10}}$

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{10+15+12}$

$\displaystyle \frac{r}{r+y+b}=\displaystyle \frac{10}{37}$

The fraction of the beads that are red is $\mathbf{\frac{10}{37}}$

8 0

3 years ago

Which expression is equivalent to 2^4 ⋅ 2^−7?

skad [1K]

2^4 x 2^-7 = 0.125

2^3 = 8, 1 /8 = 0.125

answer is B

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3 years ago

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Savatey [412]

Answer:

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3 years ago

The base of a triangle is 75 cm and its height is 12 12 cm. Find its area.

lisabon 2012 [21]

Answer:

Here is your answer

Step-by-step explanation:

Solution,

here,

Base is 75 cm

Height is 12 cm

Now,

Area of triangle=1/2×b×h

=1/2×75×12

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=450. ans

3 0

3 years ago

Which term describes the set of all possible output values for a function?

allsm [11]

Answer:

Step-by-step explanation:

This would be called the range.

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4 years ago

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