MATHEMATICS COLLEGE

How decimal and percents are alike

Answers

Answer 1
Answer: Decimal is pertaining to tenths.
Percent is per centum, or one one-hundredth part.

They are alike, because they can both be converted to fractions.

hope this helps

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MIDDLE SCHOOL

You are given a number line with a left endpoint R, a point in between the two endpoints (not a midpoint though) of S, and a right endpoint T. If RS = 15 and ST=9, then what is the length of RT?

Answers

You just add the lengths of RS and ST together. In your case RT= 24
HIGH SCHOOL

An astronaut who weighs 126lb on Earth weighs only21lb on the moon. How much would a person who weights 31lb on the moon weigh on Earth?

Answers

If his weight on Earth is 126lb and only 21lb on moon, you can divide to see what is the ratio of those weights.


It means that your weight on moon will be 6 times less than on Earth.

Now we have to multiply 31lb which is weight of the person on moon by 6 to get his weight on Earth
On moon our mass becomes 1/6 of actual mass so if you weigh 60 kg then your mass on moon will be 10 kg..
Similarly if your mass on moon is 31 lbs then your mass on earth will be 31*6=186 lbs.
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MIDDLE SCHOOL

Calcualte the area area of circle x if the diameter is 13 inches

Answers

Answer:

The area of circle x is 132.79 square feet (132.79 ft^{2} }

Step-by-step explanation:

Diameter    (d) = 13 inches

Radius            (r) = d/2 =  (13/2) inches

Π                  = 22/7

Area of circle x       =   π(r)^2

                  =   22/7 x (13/2)^2

                  =    22/7 x 42.25

           = 929.5 /7

           = 132.79 square inches

Answer:

Step-by-step explanation:

Area = πr^2

r = diameter/2

r = 13/2

Area= 22/7 × (13/2)^2

= 22/7 × 169/4

Area = 132.79sqaure inch

HIGH SCHOOL

Which number is written in scientific notation? A. 6x10^11 B. 12x10^-8 C. 0.2x10^5 D. 8x7^2

Answers

I think the correct answer is C. 0.2*10^5

Answer:

A!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Step-by-step explanation:

MIDDLE SCHOOL

Sibyl has seen four more films than Linda. Linda has seen twice as many films as Joel. If Sibyl has seen s films, then in terms of s, what expression can represent the number of films Joel has seen? Can you please explain it?

Answers

If Sibyl has seen 4 more films than Linda, then Linda has seen 4 less films that Sibyl. So, you can write the expression L (Linda)=S-4.
If Linda has seen twice as many films as Joel, then Joel has seen half the films that Linda has seen. So you can write this at J=1/2L.
If L=s-4, then the number of films Joel has seen can be written as 1/2(s-4).
I hope this helps!
MIDDLE SCHOOL

A shoe sales associate earned $300 in August. In September she earned 8% more than she did in August. How much did she earn in September?

Answers

She spend $240 dollars
MIDDLE SCHOOL

Which shows a correct order to solve this story problem? To make a fruit smoothie, Jason needs 2.4 ounces of blackberries, 1.6 ounces of apples, and 3.4 ounces of blueberries. Jason makes 5 smoothies.



How many ounces of fruit will Jason need altogether?



A.


Step 1: Add together the weights of the three fruits.

Step 2: Multiply the sum by 5.


B.


Step 1: Add the weights of the apples and the blueberries.

Step 2: Subtract the weight of the blackberries from that sum.

Step 3: Multiply the difference by 5.


C.


Step 1: Multiply the weight of the blackberries by 5.

Step 2: Add the weights of the apples and the blueberries to that product.

Step 3: Multiply the sum by 5.


D.


Step 1: Add together the weights of the three fruits.

Step 2: Divide the sum by 5.

Answers

Put yourself in Jason's shoes and consider how you'd solve the problem.

You're given the weight of components for one smoothie. You want to make 5. Essentially, you want to add the weights together 5 times.

In 3rd grade you learned that multiplication is an easier way to do repeated addition. It makes sense to add the weights together once, then multiply the result by 5.

Selection A is appropriate.
HIGH SCHOOL

Which set of numbers could be the lengths of the sides of a right triangle ? 2,6, and the square root of 40 . 4,6 and the square root of 40 2,18,20 4,36,40

Answers

Answer:

Step-by-step explanation:76

MIDDLE SCHOOL

What is the answer to (-38)+(-40)

Answers

-78 since they are both negative you just add them
The answer is -78, because when a negative number is added to itself, it keeps decreasing in value and continue to become negative
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