#9 i need help it would really be appreciated

Answers

Answer 1

Answer: For number 9, you know that it makes 40 copies every five minutes. All you have to do is divide 40 by 5.

40 ÷ 5 = 8

It makes 8 copies every minute.

Your chart can also help you check your answer. It says that it makes 96 copies every 12 minutes and it makes 104 copies every 13 minutes. So multiply 8 by 12 to check it and 8 by 13.

8 • 12 = 96
8 • 13 = 104

Since those answers match up with the chart, it must be correct.

The photocopier makes 8 copies every minute. Hope that helps!

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The angles below are supplementary. What is the value of x? A pair of supplementary angles is shown. One angle measures 3x + 40, and the other angle measures 80. 16.6 20 26.7 40
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What is the experimental probability a quarterback will complete his next pass if he has completed 30 of his last 40 passes?

Answers

Answer:

75%

Step-by-step explanation:

We know that the quarterback has completed 30 of 40 passes. This means that the ratio of completed passes to total passes is 30:40. Converting this to a fraction, we get 30/40, which can be simplified to 3/4. 3/4 as a percentage is 75%. Therefore, the final answer is 75%.

Margo won 24 out of her last 36 tennis matches.At this rate,predict how many matches she would win out of her next 27 matches ?

Answers

27 out of 39 win i guessIf u think this is right ok

There are 450 students, 20 teachers and 5 teacher's aides at Canyon Hills Middle School. What is the ratio of students to teachers and their aides?A
9:2

B
90:1

C
1:18

D
18:1

Answers

Answer: 18:1

Step-by-step explanation:

450 students : 25 teachers

18 students : 1 teachers

450/25= 18

Answer:

D. 18 : 1

Step-by-step explanation:

Students : teachers and aides

450 : 25

Treat it like a fraction. 450 over 25 simplifies to 18 over 1 because 450/25=18 and 25/25=1.

Therefore, the ratio is 18 : 1

Points A and B are located on the same line segment with point C between them. AC=12 and AB=15 . What is the length of BC?

Answers

i think it is 9 because what is 6+6=12 and what is 6+9=15 so A=6 B=9 C=6

so i think that is the answer

this cylindrical fish tank has a height of 36 inches and a a diameter of 30 inches what is the volume of the fish tank

Answers

First, you'll need to find the area of the base of the cylinder. Since the fish tank is a cylinder, its base is a circle, and you'll use $\pi$ *r^2.

r=(1/2)d = (1/2)30 = 15 inches
$\pi$ *15^2 = $\pi$ *225 (We'll worry about multiplying by pi later; for now, this is good enough).

Then, to find the volume, you just multiply by the height of the fish tank.
$\pi$ *225*36 = $\pi$ *8100 = 25446.9005

The answer, then, is 25446.9005 cubic inches (or just 8100 $\pi$ cubic inches)

You bought a car for $20,000. You have owned it for one year, and it is now worth $16,000. What is the percent decrease in your car's value?

Answers

First, you subtract.
20000-16000 = 4000

Now, you divide the decrease (4000) by the original number.

4000/20000 = 0.2

Finally, you multiply 0.2 by 100 to get the percent.

20%

33 percent decrease in value

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