Help me with my 8th grade math by answering them plz ive been on this fo 2 hours

Mathematics

1 answer:

SOVA2 [1]3 years ago

4 0

The square root of 21 is a decimal or 3 square roots of 3

Are you looking for answers with decimals?

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What is the amount of force required to accelerate a 20 kg object to 5 m/s²?

pishuonlain [190]

The answer is 100N all you have to do is multiply 5 by 20.

8 0

3 years ago

Please help and thank you

s2008m [1.1K]

Answer:

Answer is(-1,-1)

Step-by-step explanation:

$given \: points \: are \:( 1, - 6) \: and \: ( - 3,4) \\ midpoint \: = (\frac{x1 + x2}{2} , \frac{y1 + y2}{2} ) \\ =( \frac{1 - 3}{2} , \frac{ - 6 + 4}{2} ) \\ (\frac{ - 2}{2} , \frac{ - 2}{2} ) \\ midpoint \: = ( - 1, - 1)$

 

 HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

3 0

3 years ago

The angles in a triangle are in the ratio of 5:7:8. Find the measure of each angle.

hammer [34]

In a triangle, the three interior angles always add to 180°

5x + 7x + 8x = 180
20x = 180
x = 180/20
x = 9

m∠1 = 5x = 5*9 = 45°

m∠2 = 7x = 7*9 = 63°

m∠3 = 8x = 8*9 = 72°

Answer:
45°, 63° and 72°

5 0

4 years ago

2 angles of a triangle is 65 and 57 how to find the third angle

MArishka [77]

Add 65+57 and subtract it from 180 then you get the third angle

7 0

3 years ago

Read 2 more answers

I NEED THIS DONE IN 3 HOURS AND I CANT FIGURE IT OUT PLEASE HELP

MAVERICK [17]

1. option 1

2. option 1