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GarryVolchara [31]
3 years ago
11

Can someone help me with math!!!​

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
7 0

Answer:

1.  20

2.  8

3.  6

4. 25^7

5. 9^9

6.  C

Step-by-step explanation:

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In a​ bookcase, there are 7 fiction books for every 5 nonfiction books. There are 72 books in the bookcase. How many nonfiction
Fynjy0 [20]

Answer:

There are 30 nonfiction books.

Step-by-step explanation:

The answer is 30 because 7 plus 5 is 12 and 72 divided by 12 is 6 and 6 times 5 is 30.

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7 0
2 years ago
Three hundred high school seniors were surveyed about their intended college majors. The results are displayed in the Venn Diagr
atroni [7]

Answer: \frac{1}{10}

Step-by-step explanation:

Since, The total number of student = 300

Out of which,

The number of students who are only in Maths  = 120

And, The number of students who are only in Science  = 50

While, the students who are not from any subject = 100

Hence, the number of student who are from both maths and science = Total student - Maths student (only) - science student (only) - None

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= 30

That is, there are 30 students who are both from science and maths,

Thus, the probability of selecting one student who is both from maths and science = 30/300 = 1/10

3 0
3 years ago
Read 2 more answers
A garden has a diameter of 8 yards. What is the area of the garden. use 3.14 for pi.
Alex17521 [72]
The volume of a gas in a container varies inversely with the pressure on the gas. If a gas has a volume of <span>250 </span>cubic inches under a pressure of<span>
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6 0
3 years ago
PLEASE HELP (20 POINTS)
Paul [167]

Answer:

option b

Step-by-step explanation:

you can't take out anything, not an x or a 2

6 0
3 years ago
A dose of a new pharmaceutical drug is decaying according to the half-life model f(t) = Ne-0.2174, where N is the dose
Rudiy27

Answer:

  14.7

Step-by-step explanation:

Perhaps your equation is ...

  f(t) = N·e^(-0.2174t)

We want f(6) = 4, so ...

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The dose amount was about 14.7 mg.

6 0
3 years ago
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