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Marina CMI [18]
3 years ago
13

Anyone know this ???

Mathematics
1 answer:
exis [7]3 years ago
8 0

Answer:

The answer is D

Step-by-step explanation:

Have a great day

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The average of 8 scores is Q. If the average of 3 of the scores is Z, what is the average of the other 5 scores?
OLga [1]
\dfrac{s_1+\cdots+s_8}{8}=Q\implies s_1+\cdots+s_8=8Q
\dfrac{s_1+s_2+s_3}{3}=Z\implies s_1+s_2+s_3=3Z

Substituting into the first equation, this means

s_4+\cdots+s_8=8Q-3Z

Divide by 5 to get the average:

\dfrac{s_4+\cdots+s_8}{5}=\dfrac{8Q-3Z}5
7 0
3 years ago
What is -64/5 as a mixed number
Slav-nsk [51]
Your answer to the question:

-12 4/5

And then decimal form:

-12.8
8 0
3 years ago
PLEASE PLEASE HELP ME WITH THIS PLEASE!!! ITS IXL
yarga [219]

Answer:

below

Step-by-step explanation:

The point N is at (-7, -8)

The point N’ is at (4, -4)

On the x-axis, -7 to 4 is a shift of 11 units to the right.

On the y-axis, -8 to -4 is a shift of 4 units upward.

To find the scale factor, we need to find the change in radius size.

As previously identified, the center of Circle N is (-7, -8). If we draw a vertical line from the center to the edge of the circle, the line will be 2 units long.

As previously identified, the center of Circle N’ is (-4, -4). If we draw a vertical line from the center to the edge of the circle, the line will be 6 units long.

6 is 3 times the amount of 2, meaning the scale factor is 3.

Hope this helps!

5 0
3 years ago
Read 2 more answers
How to add fractions with different denominators and negative numbers?
Kisachek [45]
Let find the least of common multiple = LCM it’s for the denominators.
Multiple of the numerator then the denominator to get the denominators
Don’t forget to to add the numerator but leave the denominators the same
8 0
3 years ago
Why is the quotient of three divided by one-fifth different from the quotient of one-fifth divided by three? Tell a story that c
miskamm [114]

Answer:

These quotients are different because of what division means.

Step-by-step explanation:

When you divide you start with a total and break it into equal groups. If you started with three and broke them into groups of 1/5, that is different then starting with 1/5 and breaking into three groups.

If you had 3 cups of Chex mix and made servings of 1/5 of a cup. How many servings could you get? This is 3 divided by 1/5.

If you want to put tomatoes in 1/5 of your garden and you have 3 different tomatoes you want to plant. What fraction of the original garden will each type of tomato be in if they are evenly distributed.

7 0
2 years ago
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