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3 years ago

If it will take 21 cans of paint to complete three rooms of equal size, how many cans are needed for each room?

Mathematics

1 answer:

marta [7]3 years ago

3 0

Answer:

7 cans

Step-by-step explanation:

21 cans = 3 rooms

? cans = 1 room

To get the answer, you have to divide 21 by 3,

which is 7.

Hope this helps!!

Plz let me know if I'm wrong...

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I don't get what I'm spose to put on it also how do you work this app I'm new

stiks02 [169]

I'm new too, but I'm pretty sure if you have a question then you ask it, attach a picture if needed, and people might see it and answer.

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3 years ago

Which of the following shows that ABCD is a parallelogram for x=6 and y =8? (20 points)

Reika [66]

Answer:

AB = CD = 44 and BC = AD = 31 ; so ABCD is a parallelogram

Step-by-step explanation:

A parallelogram should have two pairs of parallel sides meaning the length of side AB should be the same as the length of side CD and the length of side AD should be the same as the length of side BC.

First, lets see if line AB is parallel to line CD.

Let's start by finding out the length of line AB.

Since we know x = 6 we will replace x with 6 in the expression:

7(6) + 2 = 42 + 2 = 44

Now that we know the length of line AB is 44, lets find the length of line CD by replacing x with its value of 6:

9(6) - 10 = 54 - 10 = 44

Now that we know the length of line CD is 44, we can see that line AB is parallel to line CD since they both have the same length of 44.

Now, lets see if line BC is parallel to line AD.

Let's start by finding out the length of line BC.

Since we know y = 8 we will replace y with 8 in the expression:

3(8) + 7 = 24 + 7 = 31

Now that we know the length of line BC is 31, lets find the length of line AD by replacing y with its value of 8:

5(8) - 9 = 40 - 9 = 31

Now that we know the length of line AD is 31, we can see that line BC is parallel to line AD since they both have the same length of 31.

Conclusion

ABCD is a parallelogram because it contains two parallel sides.

5 0

3 years ago

Local newspaper company wanted to determine if there is a need for a digital version of their newspaper. They sampled 80 of thei

Oksana_A [137]

Answer:

A.) 7:3

B.) Approximately 96,772 people

Step-by-step explanation:

The newspaper company sampled 80 of their subscribers.

56 of the 80 would be interested in the new services.

So, 80 - 56 = 24 people would not be interested in the new service.

The ratio of those interested in the new service to those who are not interested is:

56 : 24 simplified becomes 7 : 3 (We divide 56 and 24 by a common divisor = 8)

If the total number of subscribers for the newspaper is 138,346

The number of subscribers who would be interested in the new service would be:

$\frac{7}{10}$ × 138,246 = 96,772.2 people

Because there are no 0.2 people, we remove the decimal point of the answer and hence;

Approximately 96,772 people would be interested in the new service.

3 0

3 years ago

Can someone help me solve this using factoring and explain plz… I will mark brainliest

ohaa [14]

Hey! the answer is 6. you have to take the 36 over to the other side which will be 36 obviously and than your left with x to the 2nd and than you will square root 36 to get rid of the squared number and than it’s 6

7 0

3 years ago

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HELP PLEASE!! Identify the function shown in this graph.

Digiron [165]

The answer is d because the line is cutting thru the x axis on 1/3 and then the line cuts thru the y axis on -2 so the answer would be 1/3x-2

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3 years ago

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