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stellarik [79]
3 years ago
9

Questions. multiple choicw

Mathematics
1 answer:
jeyben [28]3 years ago
6 0
11. 8 * 18 = 144 in³, Option D

12. Half the height of 8 cm is 4 cm. Volume = 4 * 6 * 10 = 240 cm³, Option D

13. Double the dimensions you get 8 cm for the height, 6 cm for the radius. Then plug in. V = pi * (6)² * 8 >> pi * 36 * 8 = 288pi or ≈ 904.78, Option C

14. Half of all the dimensions are 1 in, 4 in, and 3 in. 1 * 4 * 3 = 12 in³, Option B

15. \frac{10}{16} =  \frac{x}{18} >> 16x = 180 >> x = 11.25 so Option B

16. Option D, 10 cm.

17. Option C, 8.5 in

18. Option B. 10.2 km

19. Option D. 0.82

20. cos 30 = b / 11.5 >> b = 11.5(cos (30)) = 9.96 m, Option C. 
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HELP WHOEVER ANSWERS FIRST WILL BE BRAINLIEST
Sholpan [36]
A straight line has a degree of 180 degrees.
So you are trying to find the angle that is created with the points j,m, and l.
so take the other angle 54 degrees and subtract that by 180.
180-54=126 degrees.
so now that you have the angle of J,M,L set that to equal 3x
3x=126
divide 3 from both sides
x=\frac{126}{3}
so x =42

Let me know if you have any questions.

Read more on Brainly.com - brainly.com/question/9937300#readmore

This is the exact same question as I just answered here: brainly.com/question/9937300

5 0
4 years ago
The bookstore sold m books on Monday and t books on Tuesday. But on Wednesday, r books were
Amiraneli [1.4K]

Answer:

t

Step-by-step explanation:

Label the books returned "b", and the books sold on monday "m", and the books sold on tuesday "t", and the books returned "r".

the formula:

b = (m + t) - r

(you can remove the brackets)

3 0
2 years ago
How to find the complement of a 58 degree angle
Butoxors [25]

Answer:

32°

Step-by-step explanation:

Complementary angles sum to 90°

the complement of 58° is

90° - 58° = 32°

4 0
2 years ago
Read 2 more answers
There are 3.2 million teachers in the United States and 5.66 x 107 students. How many times more students than
Marat540 [252]

Answer:

602.42 million

Step-by-step explanation:

I know the answer is 602.42 million because I used addition and subtraction.

First, I knew there was 5.66x 107 million students. So, I multiplied 5.66 and 107, and I got 605.62 million. I knew there were 3.2 million teachers in the US. Next, I subtracted 3.2 million from 605.62 million.

605.62-3.2=602.42

So, there are 602.42 million more students than teachers in the United States.

3 0
3 years ago
I need to model 2 equivalent fractions for 6 fifths
masha68 [24]
Six fifths = \frac{6}{5}.
You can multiply the numerator and denominator by any number to find an equivalent fraction. 
Two examples of equivalent fractions would be \frac{12}{10} and \frac{18}{15}.
Hope that helped you.
3 0
3 years ago
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