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ELEN [110]
2 years ago
15

Quiz

Mathematics
1 answer:
s2008m [1.1K]2 years ago
7 0

Answer:

Point And line

Step-by-step explanation:

Have a nice day

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KengaRu [80]

Answer:

1 and 5.  First and the last one

Step-by-step explanation:

i just took the ed test.

6 0
3 years ago
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Out of 80 workers surveyed at a company, 11 walk to work A. What is the experimental probability that a randomly selected worker
s344n2d4d5 [400]

Answer:

Below.

Step-by-step explanation:

A. Required probability = 11/80.

B. 3700 * 11/80 = 508.75 so the predicted number would be 509.

8 0
2 years ago
How many ml of a 20% acid mixture and a 80% acid mixture should be mixed to get 120ml of a 35% acid mixture?
shutvik [7]

Answer:

Volume of Mixture A =90 ml

Volume of Mixture B =30 ml

Step-by-step explanation:

Let say, Mixture A + Mixture B = Mixture C

Volume of Mixture A is x

Volume of Mixture B is y

So, Volume of Mixture C is x+y = 120 ml

Now, Acid contain in Mixture A is 20% =0.2x

Acid contain in Mixture B is 80% =0.8y

Also, Acid contain in Mixture C is 35% =(0.35)(x+y) = 0.35×120=42

Now, we know that,

Acid contain of Mixture A + Acid contain of Mixture B=Acid contain of Mixture C

∴ 0.2x+0.8y=42

∴ 2x+8y=420

We get two linear equations

2x+8y=420 and x+y = 120

Solving above equation...

∴ x=120-y

Replacing x value in 2x+8y=420

∴ 2(120-y)+8y=420

∴ 240-2y+8y=420

∴ 6y=180

∴ y=30

Replacing y value in any equation

∴ x=120-y=120-30=90

∴ x=90

Thus,

Volume of Mixture A is x=90 ml

Volume of Mixture B is y=30 ml

3 0
3 years ago
I will cashapp you not playin but don’t give me the wrong Answer and explain
velikii [3]

Answer:

It would be option two: Bill's Electric Company charges 6 dollars per hour plus a flat rate of 15 dollars for a service call. If Monica has at least 100 dollars to spend, how many hours can the service man work?

Step-by-step explanation:

6 dollars an hour means it would be 6x.

A flat rate of 15 means there would be just 15 as a number, no x's.

And the sign is less than or equal to, so she has over a hundred dollars to spend.

4 0
3 years ago
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A line has a rise of 6 and a slope of 1/20. What is the run?
mr Goodwill [35]

Answer:

120

Step-by-step explanation:

Slope = rise / run

1/20 = 6 / run

run = 120

8 0
3 years ago
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