Two supplementary angles have measures (3X +14°) and (2X -9°) what are the measures of two angles

2 answers:

7 0

So the equation would be (3x+14) + (2x-9)= 180 because supplementary angles equal 180 degrees. Then you would just solve the equation to get 35 for x. Then you would plug 35 for x into (3x+14) and (2x-9) and you should get 119 and 61.

beks73 [17]3 years ago

4 0

Answer:

I really don't know, sorry I cant help

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hram777 [196]

Answer:

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2 years ago

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Answer:
9.8x - 11.1x
Explanation:
25 - 5.2 = 9.8x
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Notice: I’m not sure but if it wrong, you could replaced with 10x - 11y which be better answer

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25% of all who enters a race do not complete. 30 haveentered.

nikklg [1K]

Answer:

The probability that exactly 5 are unable to complete the race is 0.1047

Step-by-step explanation:

We are given that 25% of all who enters a race do not complete.

30 have entered.

what is the probability that exactly 5 are unable to complete the race?

So, We will use binomial

Formula : $P(X=r) =^nC_r p^r q^{n-r}$