10% of what number is 30

Answers

Answer 1
Answer: 'is' in mathematics means equal
'of' in mathematics means multiplication

10% can also be written as 10/100

(10)/(100) * x = 30\n\n(1)/(10)x = 30\n\n\boxed{\bf{x=300}}
Answer 2
Answer: 10% of 300 is 30

Convert percentage into decimal: 10%/100 = 0.1
Divide decimal by 30: 30 ÷ 0.1 = 300

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The difference between two times a number and four is eight. Write the phrase as a algebraic equation
PLEASE HELP Solve -3x - 5 > 22.

Identify the explanatory and response variables in the following situation:There is a strong negative correlation between latitude above the equator and average temperature on December 21.

A: Explanatory: Latitude
Response: Daylight hours
B. Explanatory: Latitude
Response: Average temperature
C. Explanatory: Daylight hours
Response: Latitude
D. Explanatory: Time of year
Response: Daylight hours

Answers

Negative correlation refers to an inverse relationship between two variables. When one variable increases, the other decreases.

The variables are latitude and average temperature.

The explanatory variable is latitude and the response is the average temperature. Choice B.

As the latitude increases, the average temperature decreases. This is a strong negative correlation of between the two variables.
The best answer would be letter B. The explanatory variable in the situation given above would be the latitude, while the response variable would be the average temperature. The explanatory variable is another term for the independent variable while the response variable is another term for dependent variable.

Four coins are tossed several times. Which of the following represents the outcome on a coin that may not be fair? 1st coin is tossed 50 times and gives 24 heads and 26 tails.

2nd coin is tossed 250 times so that P(heads) = 0.25.

3rd coin is tossed 16 times and gives P(tails) = 9/16

4th coin is tossed 25,000 times and gives 12,505 heads.

Answers


If a fair coin is tossed a great many times, you
expect the results to be 50-50 or close to it.

First coin:  24 and 26.   48%  and  52%. 

Second coin:  25%  and  75%

Third coin:  9/16  and  7/16.  56.25%  and  43.75% .

Fourth coin:  12,505  and  12,495 .  50.02%  and  49.98% .


If I'm betting my own jellybeans, then I would not go anywhere near
the second coin, and I'm not all that happy with the third coin either.

Which cone has a greater volume: a circular cone that is 3in. wide and 4in. tall or a second circular cone that is 4in. wide and 3in. tall? What is the difference in thier volume?

Answers

Answer:

5

Step-by-step explanation:

Find the sum. Write your answer in simplest form.

6 5/6 + 6 11/12

Answers

If you would like to calculate 6 5/6 + 6 11/12, you can do this using the following steps:

6 5/6 + 6 11/12 = 41/6 + 83/12 = 82/12 + 83/12 = 165/12 = 55/4 = 13 3/4

The correct result would be 55/4.

Multiply and simplify square root of 3ab * square root of 6ab^3

NEED HELP FAST!!!!!!

Answers

√3ab · √6ab³
√18a²b⁴
3ab²√2

For each sequence,find the first 4 terms and the 10th term.
a)3n+4
b)4n-5​

Answers

Answer:

i know a good trick on how to do this.

Step-by-step explanation:

The number 4 is apart of the sequence, but it has been taken away by 3.

3+4=7. Since it was taken away by 3, we have to add 7 by 3 to get 9. So on and so forth.