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Zarrin [17]
3 years ago
10

Need Help ASAP!! 100 points andbranliest plz pleople plz help.

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0

Answer:

are you in middle or high?

Step-by-step explanation:

mafiozo [28]3 years ago
4 0

Answer:

what grade are you in so then I could get the answer

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Solve the equation. -0.2(30) + 0.5x = 0.2(30 + x)
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x=40

Step-by-step explanation:

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on a certain day $1 is worth 30.23 Russian rubles Omar has $75 how many rubles will he get in exchange
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75 x 30.23= 2,267.25
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What is the volume of a right circular cylinder with a base diameter of 6m and a height of 5 m
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Step-by-step explanation:

35

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Which is the simplified form of the expression3(7/5x+4)-2(3/2-5/4x)
kogti [31]

<u>67x + 90</u>

    10

Please tell me im smart, lol

5 0
2 years ago
A city council consists of seven Democrats and five Republicans. If a committee of four people is selected, find the probability
Hoochie [10]

Answer:

The probability  of selecting two Democrats and two Republicans is 0.4242.

Step-by-step explanation:

The information provided is as follows:

  • A city council consists of seven Democrats and five Republicans.
  • A committee of four people is selected.

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

{n\choose k}=\frac{n!}{k!\times (n-k)!}

Compute the number of ways to select four people as follows:

{12\choose 4}=\frac{12!}{4!\times (12-4)!}=495

Compute the number of ways to selected two Democrats as follows:

{7\choose 2}=\frac{7!}{2!\times (7-2)!}=21

Compute the number of ways to selected two Republicans as follows:

{5\choose 2}=\frac{5!}{2!\times (5-2)!}=10

Then the probability  of selecting two Democrats and two Republicans as follows:

P(\text{2 Democrats and 2 Republicans})=\frac{21\times 10}{495}=0.4242

Thus, the probability  of selecting two Democrats and two Republicans is 0.4242.

6 0
2 years ago
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