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pashok25 [27]
3 years ago
9

Question 5(Multiple Choice Worth 4 points)

Mathematics
1 answer:
Zanzabum3 years ago
6 0

Answer:

boys: total

3          8

Step-by-step explanation:

boys:girls: total

9    :  15   :  9+15

9        15      24

Divide each by 3

3         5        8

We want the ratio of boy to total

boys: total

3          8

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Find the inner product for (-4,9,8) . (3,2,-2) and state whether the vectors are perpendicular.
drek231 [11]

Answer:

-10; no

Step-by-step explanation:

<h2>-4*3 + 9*2 + 8*-2 = -10</h2><h2></h2><h2>-10 does not equal 0 so it is not perpendicular</h2>

6 0
3 years ago
HELP PLS I DONT KNOW THIS ONE
inessss [21]

Answer:

1                  

-------------  

(x+2)(x-4)

Step-by-step explanation:

x+4                    x+3

-------------   * --------------

x^2+5x+6        x^2 -16

Factor

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Cancel like terms

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-------------   * --------------

(1)(x+2)        (1)(x-4)

1                  

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5 0
3 years ago
Find the area of the circle. Round to the nearest tenth.
Lerok [7]

Answer:

283.5

Step-by-step explanation:

A=πr^2

A=π(9.5^2)

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4 0
3 years ago
1500 computer; 7% tax
anyanavicka [17]
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3 0
3 years ago
Suppose a normal distribution has a mean of 62 and a standard deviation of
lutik1710 [3]

Answer:

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Step-by-step explanation:

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Rounded this becomes 62.5%

7 0
2 years ago
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