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Lelechka [254]
2 years ago
10

I NEED HELP!! pleaseee

Mathematics
1 answer:
Veronika [31]2 years ago
4 0

Answer:

<h3>y = 20</h3><h3 />

Step-by-step explanation:

line RPN = 180 = 4y - 10 + 90 + y

180 - 90 + 10= 5y

100 = 5y

y = 100/5

y = 20

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balu736 [363]

Answer:

8

Step-by-step explanation:

24 = 6s^2

4=s^2

2=s

2^3 = 8

7 0
2 years ago
I need help asap please
Step2247 [10]

Answer:

Angle A: 30°

Angle B: 60°

Angle C: 90°

Step-by-step explanation:

Hopefully this helps! :)

8 0
2 years ago
Kelly needs to order lunch for 6 people at a business meeting. Her menu choices are chicken salad for a cost of $5 per person an
Sophie [7]
4*6 = 24. (4 dollars to spare)

(5*2) + (4*4) = 26 (2 dollars to spare)
     ^          ^
     Number of people
6 0
3 years ago
Creat an expression without parentheses that is equivalent to 4(6x+x)
Dimas [21]
You could distribute this expression to get and even MORE simplified expression. Add the two terms in the parentheses together so that you get 4(7x). Now you can simply multiply 4 by 7x which would equal 28x. The new expression is 28x.
5 0
3 years ago
Read 2 more answers
A company has 200 machines. Each machine has 129 probability of not working. If you were to pick 40 machines randomly, the proba
alexgriva [62]

The probability that 5 would not be working is 0.18665, the probability that at least one machine would be working is 0.00602 and the probability that all would be working is 1.

Given a company has 200 machines. Each machine has a 12% probability of not working.

If we working pick 40 machines randomly then we have to find the probability that 5 would not be working, the probability that at least one machine would be working, and the probability that all would be working.

So

1) probability that 5 would not be working

C(40,5)·0.12⁵·0.88³⁵= 40!/(5!(40-5)!)·0.12⁵·0.88³⁵

                                ≈ 0.18665

2)  probability that at least one machine would be working

0.88⁴⁰ ≈ 0.00602

3) probability that all would be working

1 - 0.12⁴⁰ ≈ 1.0000

Learn more about probability here: brainly.com/question/24756209

#SPJ10

7 0
1 year ago
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