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Anastaziya [24]
3 years ago
13

PLZZZ HELP ME 10 PTSS

Mathematics
2 answers:
Anestetic [448]3 years ago
5 0

Answer:

5 31/ 30 or 6 1/30

Step-by-step explanation:

I wish this helped you

Vilka [71]3 years ago
5 0

Answer:

D. 29

Step-by-step explanation:

First, let's make things a bit easier for ourselves and convert mixed numbers to improper fractions

-\frac{10}{3}* -\frac{87}{10}

Next, we check for numbers that can cancel out. In this case, we have 10.

-\frac{1}{3}*-\frac{87}{1}

Because negatives cancel out, we get

\frac{87}{3}

when we multiply.

Fractions just mean division, so we divide 87 by 3 and get

D. 29

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Vsevolod [243]

Answer:

17.5

Step-by-step explanation:

Given that the variables x and y have a proportional relationship.

i.e. y is directly proportional to x or can be written as

y = mx where m is the constant of proportionality.

When x =2, y =7

Substitute this to get the value of m.

7 =2m or m = 3.5

Thus the relationship between x and y is

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So when x=5, y = 3.5(5) = 17.5

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Luden [163]

Answer:

\mu_{x} = 64, \sigma_{x} = 12.83

Step-by-step explanation:

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In this problem, we have that:

\mu = 64, \sigma = 77, n = 36

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\mu_{x} = 64, \sigma_{x} = \frac{77}{\sqrt{36}} = 12.83

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3 years ago
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Answer:

C. and D.

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