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natima [27]
3 years ago
12

The area of a rectangle is 99 square inches. What is the new area of the rectangle if the height were five times long and the ba

se decreased by one-third? Answer_square inches
Mathematics
1 answer:
garri49 [273]3 years ago
8 0

Answer:

330 square inches

Step-by-step explanation:

99 x 5 =495

495 x 2/3 =330

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Jill had a certain amount of money. she spent 15$ downloading new songs. she has 2/5 of the original amount left. how much money
Lostsunrise [7]
Let's call the original amount of money x.

We know that she has 2/5 of the original amount left, and that this is equal to $15.

Therefore, 2/5(x) = 15, and x = $37.50.
5 0
3 years ago
2 numbers total 47 and have a difference of 21 what are the two numbers
murzikaleks [220]

x+y = 47

x-y = 21

------------  add together

2x =68  divide by 2

x=34

x+y = 47

34+ y = 47

subtract 34 from each side

y = 13

the two numbers are 34 and 13


7 0
3 years ago
Gracie went for a morning walk and met her old friend Suzie and her daughter Jennie after a long time. Gracie asked Suzie how ol
NeTakaya
I believe she is 6 I am not positive about it
7 0
2 years ago
Find the arc length of the semicircle. Either enter an exact answer in terms of π or use 3.14 and enter your answer as a decimal
cricket20 [7]

Answer:

The arc length of the semicircle is 5 \pi\ units or 15.7\ units

Step-by-step explanation:

The complete question in the attached figure

we know that

The circumference of a semicircle is given by the formula

C=\frac{1}{2}\pi D

where

D is the diameter of the semicircle

we have

D=10\ units

substitute

C=\frac{1}{2}\pi (10)

C=5 \pi\ units ----> exact value

Assume

\pi =3.14

C=5(3.14)=15.7\ units ----> approximate value

therefore

The arc length of the semicircle is 5 \pi\ units or 15.7\ units

6 0
3 years ago
How to solve 3+4(-4-2)+5=-16
masha68 [24]

Answer:

-16=-16

Step-by-step explanation:

You would first do (-4-2) which would be (-6), after you would multiply (-6) by 4 which comes out to be -24, after you would add 3 which would look like this -24+3 but since its a negative it would come out to be -21 then you would do the same thing with 5, it would look like this -21 + 5 but since its negative it would be -16. I hope this helped :)

6 0
3 years ago
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