3 years ago

Negative plus positive=?

1 answer:

7 0

If you are adding a positive number to negative number. You are just bringing the negative number closer to zero, if not above zero.
Examples:
-1+1=0
-2+1=-1
-3+1=-2
-4+1=-3

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Chung is practicing archery so far he has fired 5 arrows at a target and hit the center 2 times at this rate if he fires 100 arr

bagirrra123 [75]

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2 years ago

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A light bulb factory produces 922 light bulbs every hour. Approximately 3.34% of the light bulbs are defective, and do not work.

Nikitich [7]

Answer:

The value is $\sigma = 5.46$

Step-by-step explanation:

From the question we are told that

The number of light produced in an hour is n = 922

The proportion of the bulb that are defective is p = 0.0334

Generally given from the question that we should use binomial distribution it then means that the standard deviation is mathematically evaluated as

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3 years ago

Solve for u.<br> 8u-21 = 2u-9

erastovalidia [21]

Answer:

u=2

Step-by-step explanation:

8u-21 = 2u-9

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-2u -2u

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I need help with this

Rzqust [24]

C is the answer to the question

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3 years ago

What is the range the 3rd side of the triangle can be be with 15 cm 14 cm ?

Volgvan

Answer:

20.5 cm

Step-by-step explanation:

I just used Pythagorean theorem in which c^2=a^2+b^2

so this is c^2= 225 + 196 and then you get c^2= 421 and finally you get the square root of 421 so this way you finally get 20.5 cm

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