MATHEMATICS MIDDLE SCHOOL

What are the square roots of 961?A.
−480.5 and 480.5

B.
−31 and 31

C.
−21 and 21

D.
−19 and 19

Answers

Answer 1
Answer: The square root of 961 is 31, because 31 * 31 = 961.

Therefore our answer is B.
Answer 2
Answer: B. 31 and 31
Hope i helped

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Help how would you find out the answer to the following question- Janice has three coins in her pocket and they are all different from each other. Jeremy has three coins in his pocket and they are all the same as each other. Jeremy has twice as much money as janice. What are the coins they each have?
{HELPPPP MEEEE} Philip rode his bicycle at 9 1/2 miles per hour. If he rode for 3/4 of an hour,how many miles in simplest from did he cover?

Write and expression that is equivalent to 7/8

Answers

4/5,1/5,2/7 those are the answers hoped it helped

Malcolm is downloading a file that is 50.4 Mb. his internet connection has a download speed of 1.2 mb per second. Let t represent the amount of time in seconds it will take to download the file.Write and solve a multiplication equation to find the time in seconds it will take Malcolm to download the file

Answers

the equation is 1.2t=50.2 And the solution is 42

Answer:

42 seconds

Step-by-step explanation:

The equation is 1.2t = 50.4

how to solve:

1.2t = 50.4

first, divide from both sides

1.2t/1.2 = 50.4/1.2

the 1.2t/1.2 cancels out.

so we have 50.4/1.2 left

when you do the math you get the answer 42!

so 42 seconds.

The drama club is selling short-sleeved shirts for $5 each, and long-sleeved shirts for $10 each. They hope to sell all of the shirts they ordered, to earn a total of $1,750. After the first week of the fundraiser, they sold StartFraction one-third EndFraction of the short-sleeved shirts and StartFraction one-half EndFraction of the long-sleeved shirts, for a total of 100 shirts.This system of equations models the situation.
5x + 10y = 1,750
x + A system of equations. 5 x plus 10 y equals 1,750. StartFraction one-third EndFraction x plus StartFraction one-half EndFraction y equals 100.y = 100
Let x represent the number of short-sleeved shirts ordered and let y represent the number of long-sleeved shirts ordered.
How many short-sleeved shirts were ordered?

How many long-sleeved shirts were ordered?

Answers

Answer:

The drama club ordered 150 short-sleeved shirts and 100 long-sleeved shirts

Step-by-step explanation:

1. Let's review all the information provided for answering the questions properly:

5x + 10y = 1,750

1/3x + 1/2y = 100

x = number of short-sleeved shirts ordered

y = number of long-sleeved shirts ordered

Resolving the 1st equation:

5x + 10y = 1,750

5x = 1,750 - 10y

x = 350 - 2y (Dividing by 5 at both sides)

Resolving  the 2nd equation:

1/3x + 1/2y = 100

1/3 (350 - 2y) + 1/2y = 100

350/3 -2y/3 + 1/2y = 100

700 - 4y + 3y = 600 (Lowest common denominator = 6)

-y = 600 - 700 (Subtracting 700 at both sides)

y = 100 (Dividing by - 1)

Finding the value of x in the 1st equation:

5x + 10 (100) = 1,750

5x + 1,000 = 1,750

5x = 1,750 - 1,000 (Subtracting 1,000 at both sides)

5x = 750

x = 150 (Dividing by 5)

2. Proving that x = 150 and y = 100 are correct

1/3x + 1/2y = 100

1/3 * 150 + 1/2 * 100 = 100

150/3 + 100/2 = 100

50 + 50 = 100

100 = 100

We proved that x = 150 and y = 100 are correct

Answer:

150 and 100

Step-by-step explanation:

Write 11950500000000 in scientific notation

Answers

Scientific notation for 11950500000000 is 1.19505 x 10^13 
1.19505x10^13 or 11.9505x10^12 both are correct hope it helps

How many times greater is the value of the 6 in 560,984 than the value of the 6 in 85,560?

Answers

Each place value is 10 times higher than the one below it. The 6 in 560,984 is 3 place values ahead of the 6 in 85,560, and 10*10*10=1000, so it is 1000 times greater

What is the volume of the shape

Answers

the answer to this question would be D or 1512.
to solve this question, you find the volume of each prism. 
to find volume, you do length times width times height.
the top prism would be 15 times 12 times 6 which would be 1080
the bottom prism would be 6 times 12 times 6 which would be 432.
you add the volumes of the two prism or 1080+432= 1512.

hope this helps! :)
The volume of a shape is L times w times h
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