3 years ago

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

Step2247 [10]

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

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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:

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

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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

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3 years ago

Pls answer ASAP I’ll give brainliest

Vikki [24]

Answer:

I believe it would be either the 30° or the 60° the image is a little blurry .

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3 years ago

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