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3 years ago

Whats a square number?

2 answers:

8 0

A square number is a number, any number multiplied by itself example 2*2 and a cubed number is any number multiplied by itself three times, for example 3*3*3.

Keith_Richards [23]3 years ago

4 0

A number multiplied by 2
Example:
10^2 = 10 • 10

You might be interested in

A mixture of alcohol and water contains a total of 36 oz of liquid. There are 9 oz of pure alcohol in the mixture. What percent

katen-ka-za [31]

First, we can start off with a fraction:

9/36 = 1/4

Now that we have this fraction, we multiply by 25:

25/100

This can be changed into a percent:

25%

100 - 25 = 75

25% is alcohol and 75% is water

7 0

3 years ago

Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below

emmasim [6.3K]

Answer:

Tera had the higher z-score, so she should be offered the job.

Step-by-step explanation:

Z- score:

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem:

Whoever has the higher z-score should get the job.

Brittany:

Scored 88.3, mean 63.1, standard deviation 14. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{88.3 - 63.1}{14}$

$Z = 1.8$

Alissa:

Scored 236.5, mean 219, standard deviation 25. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{236.5 - 219}{25}$

$Z = 0.7$

Tera:

Scored 7.75, mean 6.66, standard deviation 0.5. So

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{7.75 - 6.66}{0.5}$

$Z = 2.18$

Tera had the higher z-score, so she should be offered the job.

3 0

4 years ago

Ethan is looking to take out a mortgage for $620,000 from a bank offering an annual interest rate of 4.5%, compounded monthly. U

Komok [63]

His monthly payment to the nearest dollar of the loan taken over 25 years = $4,391.67

<h3>Calculation of monthly payment</h3>

The mortgage capital = $620,000

The rate of payment of interest= 4.5%

The period for the payment = 25 years.

Simple interest

= p×T×R/100

= $620,000 × 25 × 4.5/100

= 69750000/100

= $697,500

Therefore the total amount of money that will be generated = $620,000 + $697,500 = $1,317,500

Therefore the monthly payment,

= $1,317,500/12×25

= $4,391.67

Learn more about simple interest here:

brainly.com/question/20690803

#SPJ1

6 0

2 years ago

A rectangle has a length of 9.00 inches and a width of 4.25 inches. What is the area in square inches? Round to the correct sign

ale4655 [162]

Area of rectangle = length x breadth
= 9 x 4.25
= 38.25
= 38 sq. inches (After rounding)
Hope this helps you!

5 0

3 years ago

Someone help me :( i don't understand this and I'm searching on the internet ill give 21 points please no trolling

Zarrin [17]

Answer:

0.0174 miles

This conversion of 63 miles per hour to miles per second has been calculated by multiplying 63 miles per hour by 0.0002 and the result is 0.0174 miles per second.

Step-by-step explanation:

7 0

3 years ago