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denis23 [38]
3 years ago
13

Which expression is a way to represent the ratio of a to b?

Mathematics
1 answer:
Trava [24]3 years ago
4 0
The answer would be C.. It can also be written as a:b or a to b
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Solve each system by elimination.<br> 10x-6y=-8<br> -10x+6y=8
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Answer:

Infinitely Many Solutions

Step-by-step explanation:

10x-6y=-8\\-10x+6y=8\\\0 = 0\\

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2 years ago
Among 9 electrical components exactly one is known not to function properly. if 4 components are randomly selected, find the pro
seraphim [82]

Answer:

0.4444

Step-by-step explanation:

Use the following property to ease the calculation:

P(At least one)=1-P(None)

Total number of electrical components: 9

Number that does not function well :1

Number that functions well : 8

We have ^8C_4=70 ways to to choose 4 good components from 8.

We have ^9C_4=126 ways to choose 4 components from a total of 9.

If all function properly then none is bad, we ^1C_0=1 way to do this.

P(At least one)=1-\frac{^8C_4*^1C_0}{^9C_4}

P(At least one)=1-\frac{70*1}{126}

P(At least one)=0.4444

4 0
3 years ago
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.Martin is an after-school math tutor. He noticed that 6 people still needed help and only Two-fifths of the tutoring session ti
Ugo [173]

Answer:

6/15 divided by 6

Step-by-step explanation:

\frac{2}{5} / 6\\= \frac{6}{15} / 6\\

4 0
2 years ago
Ax+by=c solve for y plz help hurryyyyy
Leviafan [203]
I believe that the answer for y is...

y= -ax+c/b
5 0
3 years ago
Pls answer ASAP I’ll give brainliest
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I believe it would be either the 30° or the 60° the image is a little blurry .

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