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3 years ago

Hi can someone please help me?

Mathematics

2 answers:

jasenka [17]3 years ago

8 0

Evaluate.
1934917632
this is evaluation

maxonik [38]3 years ago

5 0

1934917632 I think I’m not sure

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Which expression is equal to 5/(sqrt)11?

horrorfan [7]

Answer:

Option A is correct

the expression is equal to $\frac{5}{ \sqrt{11}}$ is $\frac{5\sqrt{11}} {11}$

Explanation:

Given expression is, $\frac{5}{ \sqrt{11}}$

Multiply and divide by the denominator by $\sqrt{11}$ in the given expression, we have,

$\frac{5}{\sqrt{11}} \times \frac{\sqrt{11}} { \sqrt{11}}$

$\frac{5 \cdot \sqrt{11}} {\sqrt{11} \cdot \sqrt{11}}$

use : $\sqrt{a}\cdot\sqrt{a}=(\sqrt{a} )^2 = a$

then;

$\frac{5\sqrt{11}} { (\sqrt{11})^2} =\frac{5\sqrt{11}} {11}$

Therefore, the expression is equal to $\frac{5}{ \sqrt{11}}$ is, $\frac{5\sqrt{11}} {11}$

8 0

3 years ago

Read 2 more answers

Simplify square root of 5 open parentheses 10 minus 4 square root of 2 close parentheses

Helga [31]

The answer is none of the above

4 0

3 years ago

Substitute the value n = 4 in the expressions<br><br>2n<br>n + 2<br>3(n+4)

Lelu [443]

Step-by-step explanation:

Given n = 4

2n = 2* 4= 8

n + 2 = 4 + 2 = 6

3(n + 4) = 3( 4 + 4) = 3 * 8 = 24

Hope it will help :)

4 0

2 years ago

You wish to package a spherical globe inside a cubical box . The diameter of the globe is 30 centimeters . How much empty space

Aneli [31]

Answer:

<h2>The empty inside the box is 12,870 cubic centimeters, approximately.</h2>

Step-by-step explanation:

Givens

The diameter of the globe (sphere) is 30 centimeters,
The box must has dimensions 30x30.

We need to find each volume to subtract them.

$V_{box}=(30cm)^{3}= 27,000 \ cm^{3}$

$V_{sphere}=\frac{4}{3} \pi (15cm)^{3} \approx 14,130 \cm^{3}$

The difference betweem the box and the sphere is

$\Delta V=27,000 - 14,130 = 12,870 \ cm^{3}$

Therefore, the empty inside the box is 12,870 cubic centimeters, approximately.

5 0

3 years ago

Select all the pairs that could be reasonable approximations for the diameter and circumference of a circle. Explain your reason

rosijanka [135]

Answer:it’s 19 inches and 60 inches.

Step-by-step explanation:

3 0

3 years ago