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Tom [10]
3 years ago
6

87 - (-34) +13= will someone help me with this​

Mathematics
2 answers:
Goshia [24]3 years ago
6 0

Answer:

-(-34) = + 34

= 87 + 34 + 13

= 121 + 13

= 134.

Naddik [55]3 years ago
3 0

Answer:

134.

Step-by-step explanation:

87 - (-34) +13        (Note -(-34) = + 34):

= 87 + 34 + 13    

= 121 + 13

= 134.

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A rotating light is located 20 feet from a wall. The light completes one rotation every 3 seconds. Find the rate at which the li
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Answer:

43.17 ft/s

Step-by-step explanation:

Let the height of the wall is y.

distance of wall from light is 20 feet.

tan\theta =\frac{y}{20}    

y = 20 tanθ    .... (1)

time period, T = 3 second

\frac{d\theta}{dt}=\frac{2\pi}{3}

Differentiate equation (1) with respect to t.

\frac{dy}{dt}=20sec^{2}\theta\times \frac{d\theta}{dt}

\frac{dy}{dt}=20sec^{2}10\times \frac{2\pi}{3}

dy/dt = 20 x 2.16

dy/dt = 43.17 ft/s

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3 years ago
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Answer:

Step-by-step explanation:

5(x-3)<20

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6 0
3 years ago
What precent of 95 is 60.8​
dezoksy [38]

60.8 is 64% of 95.

Step-by-step explanation:

Given number is;

95

We have to find at what percent, the value is 60.8

Let x be the percent.

Therefore;

x% of 95 = 60.8

\frac{95x}{100}=60.8 \\0.95x=60.8

Dividing both sides by 0.95

\frac{0.95x}{0.95}=\frac{60.8}{0.95}\\x=64

60.8 is 64% of 95.

Keywords: percent, division

Learn more about division at:

  • brainly.com/question/10764770
  • brainly.com/question/1087090

#LearnwithBrainly

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Step-by-step explanation:

I hope it help

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2 years ago
What number has 8 hundreds, 2 fewer tens than hundreds and 2 fewer ones than hundreds
Aleonysh [2.5K]
3 hundred 1 fewer hundreds
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