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3 years ago

What is the value of mQSR?

Mathematics

1 answer:

Nat2105 [25]3 years ago

7 0

Answer:

There is no M but I think that the value is 15 degrees

Step-by-step explanation:

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-3 – 5x - 5y + 8x + 7y + 8

Scilla [17]

Answer: -14y

Step-by-step explanation:

7 0

2 years ago

Thanks in advance for the answer

soldier1979 [14.2K]

$2^{-2} = \frac{1}{2^{2}} = \frac{1}{4} 
$

does this make sense to you? Do you have any questions about raising numbers to a negative value?

5 0

3 years ago

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Mrs. Drew’s class is doing a survey of the 8 th grade students. They are collecting data of each student’s arrival time at schoo

JulsSmile [24]

Answer:

i dontknow sorry

Step-by-step explanation:

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3 years ago

H=255-21t-16t^2 PLEASE HELP!!

Colt1911 [192]

Answer:

3.15 seconds is the answer.

Explanation

when the ball touches the ground, h =0

hence,

0=255-21t-16t²

16t²+21t-225=0

here a=16 ,b=21, c= -225

$t= \frac{ - b± \sqrt{ {b }^{2} - 4ac} }{2a} \\ \\ t= \frac{ - 21± \sqrt{ {21}^{2} - 4 \times 16 \times - 225} }{2 \times 16} \\ = \frac{ - 21 ± \sqrt{441 - ( - 14400)} }{32} \\ = \frac{ - 21± \sqrt{14841} }{32} \\ = \frac{ - 21±121.82}{32} \\ \\ t = \frac{ - 21 + 121.82}{32} \: or \: \: t = \frac{ - 21 - 121.82}{32} \\ t = 3.15 \: \: or \: \: t = - 4.46$

time cannot be negative, hence t = -4.46 can be avoided

The ball takes 3.15 seconds to hit the ground.

4 0

3 years ago

The perimeter of a triangle WXY is cm

kifflom [539]

Up where is the picture for this to see the other angles

5 0

2 years ago