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ikadub [295]
3 years ago
6

Find the mean age of the swimmers on the team. ​

Mathematics
2 answers:
____ [38]3 years ago
7 0

Answer:

10 years

Step-by-step explanation:

Add them all up and divide it by 10 because there are 10 swimmers

add them all up; should equal 100 divide by 10

kap26 [50]3 years ago
5 0
<h3>Answer:  10</h3>

============================================

Work Shown:

First add up all the ages

9+13+9+10+10+9+10+10+11+9 = 100

Then divide that sum by 10, since there are 10 values we added up

100/10 = 10

The average age is 10 years old.

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Given α and β are Supplementary. Show the necessary steps.
user100 [1]

Answer:

\alpha = 108\degree, \: \beta = 72\degree

Step-by-step explanation:

α and β are Supplementary (given)

\therefore \alpha + \beta = 180\degree.... (1)

It is given that:

\alpha= \frac{3}{2} \beta

Plugging the value of α in equation (1), we find:

\frac{3}{2} \beta + \beta = 180\degree

\therefore  \frac{3+2}{2} \beta = 180\degree

\therefore  \frac{5}{2} \beta = 180\degree

\therefore   \beta = 180\degree\times \frac{2}{5}

\therefore   \beta = 72\degree

\implies   \alpha= \frac{3}{2} \times 72\degree= 108\degree

So,

\alpha = 108\degree, \: \beta = 72\degree

7 0
2 years ago
The school is 3.2 blocks from someone’s house. how many blocks does the person walk to go to and from school?
DENIUS [597]

The answer is: " 6.4 blocks " .

________________________________________________________

3.2 blocks (one way), PLUS: 3.2 blocks the other way:

3.2 + 3.2 = 6.4 blocks .

or: (3.2) * 2 = 6.4 blocks .

________________________________________________

The answer is: " 6.4 blocks " .

________________________________________________

4 0
3 years ago
Amanda invests 5000 in a cd at an annual rate of 2%. What will her investment be worth at the end of three years?
Nookie1986 [14]
The equations would be 5000(1+0.02)^3 and the answer is $5306.04
3 0
3 years ago
Read 2 more answers
What function transforms the graph of the parent function f(x)=2^x by reflecting it across the y axis and translating it up 5 un
babunello [35]

Coefficient of x is less than 0 then it's across the y axis

So f(x)=2^x ---> g(x) = 2^-x

Then translating it up 5 units, should be  g(x) = 2^(-x)  + 5


Answer is the last one

g(x) = 2^(-x) + 5

6 0
3 years ago
Read 2 more answers
Consider the graph of the quadratic function y = 3x2 – 3x – 6. What are the solutions of the quadratic equation 0 = 3x2 − 3x − 6
Ilya [14]
Roots of the equation 3x² -3x-6=0 are -1 and 2,
all choices are given wrong
3*2²-3*2-6=0
12-6-6=0
0=0, which is true , so root is 2

3*20²-3*20-6=0
600-60-6=0
534=0  which is wrong, so root is 2, but not 20 
4 0
3 years ago
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