3 years ago

Please can help me ?

Mathematics

1 answer:

valentinak56 [21]3 years ago

7 0

Answer:

??????????????

Step-by-step explanation:

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A migrating bird flies 312 miles in 13 hours. How many miles does it fly in 5 hours?

irinina [24]

The answer is 120 miles , because it is a proportion

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3 years ago

What is x ? <br> 7+2x/3=5

never [62]

Answer: -3

Step-by-step explanation:

7+2x/3=5

2x/3=-2

2x = -6

x = -3

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3 years ago

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Hazel and 4 of her friends bought tickets for a baseball game. They received a $30 group discount. If the total cost was under $

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Step-by-step explanation:

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2 years ago

assume the probability of having a boy or a girl is the same. what is the probability of have a boy then a girl then another gir

NNADVOKAT [17]

Answer:

$\dfrac{1}{8}$

Step-by-step explanation:

If the probability of having a boy or a girl is the same, then

the probability of having a boy = a probability of having a girl = 1/2.

Let B denote boy and G denote the girl.

The sample space of having three children is:

BBB, BBG, BGB, GBB, BGG, GBG, GGB, GGG.

The probabilities of each of those events is

$Pr(BBB)=Pr(BBG)=Pr(BGB)=Pr(GBB)=\\ \\=Pr(BGG)=Pr(GBG)=Pr(GGB)=Pr(GGG)=\\ \\=\dfrac{1}{2}\cdot \dfrac{1}{2}\cdot \dfrac{1}{2}=\dfrac{1}{8}.$

5 0

4 years ago

PLEASE HELP I REALLY NEED HELP

Rainbow [258]

Answer:I believe that your asnwer is c.

Step-by-step explanation:

This is because -4 + 4 = 0 10 - 10 = 0 7-7 = 0

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3 years ago