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worty [1.4K]
3 years ago
8

Use a calculator to find the standard deviation of this data set:

Mathematics
1 answer:
Sauron [17]3 years ago
4 0

Answer: D. 3.3

Step-by-step explanation:

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Part A: If (7^2)^x = 1, what is the value of x? Explain your answer. (10 points)
Alex777 [14]
Answers:Part A: The value of x is 0.Part B: X can be any real number.
In Part A, you have to first evaluate 7^2. This is 49. Now, write the equation 49^x = 1. We know that if you raise any number to 0, then the answer is 1.
In Part B, you have to first evaluate 7^0, that is 1. Now, we have the equation 1^x = 1. In this case, 1 raised to any exponent is still only 1. Imagine 1^17, this would be 1 times itself 17 times or just 1.
Therefore any number will work in Part B.

3 0
3 years ago
Match the terms to their correct definitions.
Andrews [41]

Answer:

i

Step-by-step explanation:

7 0
3 years ago
Question 11 (1 point)<br> (02.05 LC)<br> What number is 60% of 80?<br> Input only whole numbers.
sweet [91]

Answer:

48

Step-by-step explanation:

60% of 80 is 48

5 0
2 years ago
Robin is making bows to sell at her mother's yard sale. She will use 3/4foot of red ribbon and 2/3foot of blue ribbon to make ea
emmainna [20.7K]
<h3>Ratio of length of red ribbon to blue ribbon is 9 : 8</h3>

<em><u>Solution:</u></em>

Given that,

Robin is making bows to sell at her mother's yard sale

From given,

\text{Length of red ribbon } = \frac{3}{4}\ foot\\\\\text{Length of blue ribbon } = \frac{2}{3}\ foot

<em><u>What is the ratio of the length of red ribbon to blue ribbon?</u></em>

Red : blue = \frac{3}{4} : \frac{2}{3}\\\\Red : blue = \frac{3 \times 3}{4 \times 3} :  \frac{2 \times 4}{3 \times 4}\\\\Red : blue = \frac{9}{12} : \frac{8}{12}\\\\Red : blue = 9 : 8

Thus ratio of length of red ribbon to blue ribbon is 9 : 8

4 0
3 years ago
Jen makes a rectangular banner it is 3/4 long and 1/4 wide what is the area in square yards if the banner
saul85 [17]
Area = length × width

Length = 3/4 
Width = 1/4

Multiply:

3/4 × 1/4 = 3/16

Area = 3/16 square yards

Hope this helped☺☺
5 0
3 years ago
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