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Zinaida [17]
2 years ago
14

Can someone help me with this question?

Mathematics
1 answer:
meriva2 years ago
7 0

Answer:

m = 4

Step-by-step explanation:

\because ABCD\sim QRST

\therefore \frac{10}{m}= \frac{15}{6}

\therefore m= \frac{10\times 6}{15}

\therefore m= \frac{60}{15}

\therefore m=4

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josephine has three chemistry books, three history books, and nine statistics books. she wants to choose one book of each type t
larisa86 [58]

She can choose three books in 54 ways

What is permutation?

Permutation is a technique involving in which a set or number of things can be ordered or arranged. We use permutation to solve and compute answers

We are given that, Josephine has three chemistry books, three history books, and nine statistics books

She has to choose one from each subject

Firstly She has 3 chemistry books

This can be selected in 3 ways

Then She has 3 history books

This can be selected in 3 ways

Ans finally she has 9 statistics books

This can be selected in 9 ways

Hence total ways in which she can select 3 books is 3*3*9= 54 ways

Hence in 54 ways she can choose three books

To learn more about permutation please refer

brainly.com/question/1216161

#SPJ4

7 0
11 months ago
An offshore oil well is leaking oil and creating a circular oil slick. If the radius of the slick is growing at a rate of 2 mile
Genrish500 [490]

Answer:

  37.7 mi²/h

Step-by-step explanation:

The area formula is ...

  A = πr²

Differentiating with respect to time gives ...

  dA/dt = 2πr·dr/dt

Filling in the given values, we have ...

  dA/dt = 2π(3 mi)(2 mi/h) = 12π mi²/h

The area is increasing at the rate of about 37.7 mi² per hour.

5 0
2 years ago
What percent of 25 is 30
Thepotemich [5.8K]
0.833333333% is the answer
3 0
2 years ago
An example of exponential growth is y=2(1/3)^x<br> True<br> False
Lemur [1.5K]

Answer:

False

Step-by-step explanation:

Since the b value (the value inside the parentheses) is less than 1, it represents exponential decay.

8 0
3 years ago
Mandy divided the sum of 12 and
Aleksandr [31]

Answer:

35

Step-by-step explanation:

I hope this helps you.

12+24=38

38÷6=31

31+4=35

4 0
2 years ago
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