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3 years ago

14

-84/28 i need help on this asap

1 answer:

scoundrel [369]3 years ago

8 0

-3
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The ratio of 7th graders who prefer comedies to 8th graders is:

Len [333]

IS IT 7:8 OR 7 OVER 8

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3 years ago

Could someone tell me the correct answer and how to do this. Plz help meeee I'm crying because I don't know how to do this stuff

WINSTONCH [101]

Hey don't cry . I'm not good at math either but try to take a deep breath.

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3 years ago

F(x)=x^2-9x+2 evaluate f(-2)

Anton [14]

I believe is your answer
Because u plug in -2 to all x
F(x)= (-2)^2-9(-2)+2
F(x)=4+18+2
F(x)=24

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3 years ago

denis-greek [22]

Let $X$ be the random variable denoting the number of girls that are born. Then $X$ has a binomial distribution on $n=125$ babies and probability of getting a girl $p=0.5$ . The probability we want is

$\mathbb P(X\ge60)=\displaystyle\sum_{x=60}^{125}\binom{125}x0.5^{125-x}0.5^x\approx0.704=70.4\%$

7 0

3 years ago

Read 2 more answers

Jason has 1/6 yard of wire . He cuts it into 4 pieces of same length.what is the length in yards of each piece.

klemol [59]

Answer:

1/24 yards.

Step-by-step explanation:

1/6 / 4

= 1/6 * 1/4

= 1/24.

7 0

3 years ago