What is the percent of change from 100 to 27?73% decrease
77% decrease
77% increase
73% increase

Answers

Answer 1

Answer:

The percent of change from 100 to 27 is a 73% decrease. The percent of change is the value of a variable to which it gains or losses its magnitude.

How to find the percent of change?

The percent of change is calculated as follows:

% change = 100 × [final value - initial value]/(initial value)

Calculation:

The initial value is 100 and the final value is 27

So, the percent of change is

% change = 100 × $(27-100)/(100)$

= 100 × (-0.73)

= -73%

The negativesign indicates a decrease from the initial value to the final value.

Therefore, the percent of change from 100 to 27 is a 73%decrease. So, option A is correct.

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Answer 2

Answer: I'm no expert, but considering it went down its probably a decease. (duh). I think its 77%, but I'm not very good with percentages

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have students write a story that can be solved by finding the sum of 506,211 and 424,809 have them solve the problem

Answers

You can say that you got payed 506211$ and then for a bonus you got 424809$ and in all you got 931020$

Find the product. A.
–16

B.
–4

C.
4

D.
16

Answers

-1/2*-8=4=) Enjoy! (Becuase a negative* a negative equals a positive and 1/2 times a number is half that number.) So it would be C

When you multiply a negative to a negative, you get a positive, so -1/2 x (-8) = 4. :)

3/4 of what equals 75

Answers

So, you need to know your vocabulary. "Of" means multiply. So you don't know the "what" part, so put a variable. For the variable, we can put x. Then "equals" means the = sign. So, it would look like this: 3/4x=75. Now you solve x. Divide 4 on both sides and you get 3x=300. Now divide 3 on both sides and you get: x=100
So that means x (or "what") would equal 100.
Sources: my brain
I hope this helps. :-)

100
75 times 1.333333333333333 equals 100

What integer does 357 need to be divided by to equal -21

Answers

357 needs to be divided by -17 to equal -21.

What is Division?

Division is one type of mathematical operation.

Division consists of four different parts - Divisor, Dividend, Quotient, Remainder.

$\mathrm{Dividend=Divisor* Quotient+Remainder}$

So here in this problem it is given that,

Quotient = -21

Dividend = 357

Remainder should be 0.

We have to find the divisor for that division.

Let the Divisor be $=D$ , so value of $D$ is to be determined.

By the condition,

$357=D*-21+0\n\Rightarrow-21D=357\n\Rightarrow D=(357)/(-21)=-17$

So 357 needs to be divided by -17 to equal -21.

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the answer would be -17. I got this by dividing 375 by -21. i hope this helps!!

The sum of 4 multiplied by a and 5 multiplied by b

Write in algebraic expression

Answers

4a+5b is your answer

4x5axb is the algebraic expression

A floor of a room is in the shape of square. It is to be covered with rectangular tiles that each have an area of 192 square inches.If the length of the floor is 14 feet, how many tiles are needed to cover the floor?

Answers

find area of room
aera=legnth wtimes width
in a square, legnth=width
aera=legnth^2
legnth=14 feet
convert o inches
14*12=168 inches
area=168^2=28224 square inches

how many tiles will cover all of floor?
aka
how many 192 in^2 is at least 28224 (at least, because we need to cover the whole floor without gaps)
192x>28224
divide both sides by 192
x>147

147 is the number of tiles we need

the answer is 147 first convert 14 ft. into inches 14×12=168 168×168=28225 28225÷192=147

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