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3 years ago

What's the square root of 5,245?

Mathematics

2 answers:

Andru [333]3 years ago

6 0

I'm pretty sure it is 72.42237223 ( that's before rounding)

Hoochie [10]3 years ago

4 0

Easily, You can calculate it by your device, it will show, 72.42

In radical form, you have to use factor method. It that case, it would be: 5 * 1049 then reduce it to the simplest form. Answer will be same.

Hope this helps!

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Round to the nearest tens<br> 1,235

zloy xaker [14]

Answer:

1,240

Step-by-step explanation:

If the number in the ones place is lower than 5 you round down. If the number in the ones place is 5 or higher you round up.

Hope This Helps :)

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4 years ago

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If the scale factor of sides is 3, then the scale factor of area is ___ and the scale factor of

snow_tiger [21]

Answer:

Here is an example: if we have a rectangle that has a length 3 and a height of 4 and the scale drawing with a scale factor of 2, how many times bigger is the scale drawings area? The original shape is 3 by 4 so we multiply those to find the area of 12 square units.

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2 years ago

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The computers of six faculty members in a certain department are to be replaced. Two of the faculty members have selected laptop

Anettt [7]

Answer:

a. $\frac{1}{15}$

b. $\frac{2}{5}$

c. $\frac{14}{15}$

d. $\frac{8}{15}$

Step-by-step explanation:

Given that there are two laptop machines and four desktop machines.

On a day, 2 computers to be set up.

To find:

a. probability that both selected setups are for laptop computers?

b. probability that both selected setups are desktop machines?

c. probability that at least one selected setup is for a desktop computer?

d. probability that at least one computer of each type is chosen for setup?

Solution:

Formula for probability of an event E can be observed as:

$P(E) = \dfrac{\text{Number of favorable cases}}{\text {Total number of cases}}$

a. Favorable cases for Both the laptops to be selected = $_2C_2$ = 1

Total number of cases = 15

Required probability is $\frac{1}{15}$ .

b. Favorable cases for both the desktop machines selected = $_4C_2=6$

Total number of cases = 15

Required probability is $\frac{6}{15} = \frac{2}{5}$ .

c. At least one desktop:

Two cases:

1. 1 desktop and 1 laptop:

Favorable cases = $_2C_1\times _4C_1 = 8$

2. Both desktop:

Favorable cases = $_4C_2=6$

Total number of favorable cases = 8 + 6 = 14

Required probability is $\frac{14}{15}$ .

d. 1 desktop and 1 laptop:

Favorable cases = $_2C_1\times _4C_1 = 8$

Total number of cases = 15

Required probability is $\frac{8}{15}$ .

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4 years ago

What is 223 divided by 12

irina1246 [14]

Answer:

18.583

Step-by-step explanation:

I just did the math and checked my answer with a calculator

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3 years ago

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A regular polygon has an interior angle of 172º.<br> Find the number of sides of this polygon.

SashulF [63]

Answer:

45 sides

Step-by-step explanation:

If each of the interior angles is 172 degrees, then each of the exterior angles is 8 degrees. Since the sum of the exterior angles of any polygon is 360 degrees, there are 360 / 8 = 45 exterior angles and 45 sides.

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4 years ago