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3 years ago

Can you please help :)

Mathematics

2 answers:

Alexeev081 [22]3 years ago

6 0

Answer:

There's no attachment or question...

Step-by-step explanation:

AlexFokin [52]3 years ago

4 0

Answer:?

Step-by-step explanation:

With what?

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2/7 into percents ??

mafiozo [28]

Answer:

28.57142857 %

Step-by-step explanation:

Convert the fraction to a decimal, then multiply by 100 .

28.57142857 %

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3 years ago

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Find the value of x in The parallelogram.

Sidana [21]

Answer:

Step-by-step explanation:

those alternate angles are equal to each other

5x+4=59

5x=55

x=11

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3 years ago

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Seventy percent of children who go to the doctor have fevers. Of those with fevers, 30% also have a rash. Of those without fever

Allisa [31]

Answer:

The probability that a child with a rash does not have a fever is 22%

Step-by-step explanation:

1. Probability of having fever:

$P(fever)=0.70$

2. Probability of not having fever:

$P(not fever)=1-P(fever)\\P(not fever)=1-0.70\\P(not fever)=0.30$

3. Probability of fave fevers and a rash:

$P(fever and rash)=(0.70)(0.30)=0.21$

4. Probability of having a rash but not a fever:

$P(rash and not fever)=(0.30)(0.20)=0.60$

5. Probability of having a rash:

$P(rash)=P(rash and fever)+P(rash and no fever)\\P(rash)=0.21+0.06=0.27$

6. Probability a child with a rash does not have a fever

$P=\frac{P(rash and not fever)}{P(rash)} =\frac{0.06}{0.27} =0.22$

22% of the child at the doctor's office with a rash does not have a fever.

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3 years ago

Find the area of the shaded region.

mihalych1998 [28]

Answer:

351π cm^2.

Step-by-step explanation:

Area of shaded part = area of the large circle - area os small circle

= π * (13+7)^2 - π * 7^2

= 400π - 49π

= 351π.

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3 years ago

What is 12 decreased by 12%

crimeas [40]

10.56.. hope this helps

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3 years ago

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