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andriy [413]
3 years ago
8

Please help me with this and i'll mark you as brainlist. but it has to be a answer that makes sense

Mathematics
1 answer:
sammy [17]3 years ago
3 0

Answer:

the new one for a: 12/21 and 15/21

the new one for b: 20/25 and 15/25

the new one for c: 20/27 and 33/27

the new one for d: 25/24 and 36/24

Step-by-step explanation:

4/7 x 3/3 equals 12/21

3/5 x 5/5 equals 15/25

11/9 x 3/3 equals 33/27

6/4 x 6/6 equals 36/24

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Directions: Find the volume of each figure. Round to the nearest tenth if necessary.
balu736 [363]

Answer:

Step-by-step explanation:

square-based pyramid:

volume V = (⅓)b²h

    = (⅓)7²·16  

    ≅ 261.3 ft³

:::::

Can't help with question 3. I haven't learned triangle-based pyramids.

:::::

cone:

volume V = ⅓πr²h

              = ⅓π17²·20

              = 6052.8 yd³

:::::

can't help with question 7. Never did this kind of pyramid.

3 0
3 years ago
PLEASE HELP WITH MATHH
Scorpion4ik [409]

Answer:

i think the answer is 76cm im pretty sure it is

Step-by-step explanation:

if so mark this as brainliest answer!!!

5 0
3 years ago
Please help shouldn't be 38?
melomori [17]

Answer:

No it is D.52

Step-by-step explanation:

The angle has to equal 180 degrees.

180-76=104

52 time 2 equals 104

104=104

7 0
3 years ago
Read 2 more answers
How to subtract radians?
Dafna1 [17]
You first need to make sure the denominators are equal, then when they are, you can add/subtract the numerators. Then you can place the result over the common denominator.

I hope this helps! :) 
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3 years ago
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HELP IM TIMED
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I believe its  right

5 0
3 years ago
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