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3 years ago

The geometric average of -12%, 20%, and 25% is _________.

Mathematics

1 answer:

Grace [21]3 years ago

8 0

20.28% is the answer

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. Express 3/7 as a rational number with denominator 91. (1 Point)

grin007 [14]

Answer:

$\frac{39}{91}$

Step-by-step explanation:

Given

$\frac{3}{7}$

To express as a rational number with 91 on the denominator.

91 ÷ 7 = 13

Thus multiply the numerator and denominator by 13, that is

$\frac{3(13)}{7(13)}$ = $\frac{39}{91}$

7 0

3 years ago

The tables show the number of plants and the number of flowers. Which table represents a proportional relationship?

Usimov [2.4K]

the last one because 7*3=21 14*3=42 and 21*3=63

4 0

3 years ago

-2.3,-2 2/4,-2.6 from least to greatest

Pie

If you think about it, you have your answer in your question.

Convert 2/4 to 1/2 which in decimal form, is .5.

You’re final answer is -2.3,-2 2/4,-2.6.

I hope this helps!

7 0

3 years ago

What is the explicit rule for the geometric sequence? 600, 300, 150, 75, ...

pochemuha

Answer:

Step-by-step explanation:

Hello, this is a geometric sequence so we are looking for a multiplicative factor.

$a_0=600\\\\a_1=a_0 \cdot \boxed{\dfrac{1}{2}} = 300 = 600 \cdot \boxed{\dfrac{1}{2}}\\\\a_2=a_1 \cdot \boxed{\dfrac{1}{2}} = 150= 300 \cdot \boxed{\dfrac{1}{2}}\\\\a_3=a_2 \cdot \boxed{\dfrac{1}{2}} = 75 = 150 \cdot \boxed{\dfrac{1}{2}}$

So, the explicit formula is for n

$\boxed{a_n=a_0\cdot \left(\dfrac{1}{2}\right)^n=600\cdot \left(\dfrac{1}{2}\right)^n}}$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

5 0

3 years ago

Each finger width is about 10 miles how many miles will he count if he uses 7 finger widths

Sever21 [200]

Answer:

7 Miles is the answer.

Step-by-step explanation:

10*7=70.

7 0

3 years ago