FOR A SCHOOL PLAY THE TEACHER ASKED THE CLASS TO SET UP CHAIRS IN 20 ROWS WITH 25 CHAIRS IN EACH ROW.AFTER SETTING UP ALL THE CHAIRS,THEY WERE 5 CHAIRS SHORT.HOW MANY CHAIRS DID THE CLASS SET UP?

Answers

Answer 1

Answer:

Answer: The class set up 495 chairs.

Step-by-step explanation:

Hi, to answer this question, first we have to multiply the number of rows (20) by the number of chairs in each row (25).

Mathematically speaking:

20x25= 500

Since they were 5 chairs short, we have to subtract 5 to the previous result.

500-5 = 495

The class set up 495 chairs.

Feel free to ask for more if needed or if you did not understand something.

Answer 2

Answer:

Answer:

The students set up 495 chairs

Step-by-step explanation:

if there are 20 rows and 25 chairs in each row, then you multiply 20 by 25, giving you 500. They had 5 chairs too little, therefore they set up 495 chairs.

Hope this helps!

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What does prime fractorization

Answers

Math Term Definition. Prime factorization. Prime factorization is finding the factors of a number that are all prime. Here's how you do it: Find 2 factors of your number. Then look at your 2 factors and determine if one or both of them is not prime.

Prime factorization is finding which prime numbers can be multiplied to get the number that they give you originally E.J. if they give you 24 and find 2 numbers that factor it the first that would come to mind would be 12 times 2 well 2 can't be simplified no more but 12 can, 12 can have factors of 3 and 4, now 3 cant be factored but 4 can, 4 can be multiplied by 2 times 2... so now that you factored it completely you know that 2*2*2*3=24. lets check it out 2 times 2 is 4 4 times 2 is 8 and 8 times 3 is 24. this means our factors are correct!!!

Hope this helps

A rectangle has a length six inches less than twice its width. If the perimeter of the rectangle is 54 inches, find the dimensions.

Answers

Answer:

let the width of the rectangle be x inches

then the length would be 2x-6

as perimeter =2(l+b)

putting values in formula

perimeter = 2(2x-6+x)

p= 6x-12 but as perimeter p=54inches so

54=6x-12

54+12=6x

66=6x

x=66/6

x=11 inches

width is 11inches and length is 2x-6= 2(11)-6=22-6=16 inches

Step-by-step explanation:

nina draws a square and Nick draws a Pentagon. if all sides of both shapes are each 9 inches long, are their pertinents the same

Answers

no they are not because..

pentagon equation- 5x9

square equation- 4x9

Whats the answer to this question??

Answers

8² = 64
-1³ = -1
2×2×2×2×2 = 32
64 × -1 = -64
-64 ÷ 32 = -2

Amanda is making pillows for her sofa, The fabric that she likes costs $45 per yard. Amanda waits untilshe has a 40% off coupon! How much [including tax] will Amanda pay for 58 inches of material? The tax
rate is 5.1%.

Answers

Answer:

15$

Step-by-step explanation:

Write 15.1 as a fraction

Answers

If you want to convert 15.1 into a fraction, you can do it like this:
15 equals to 15/1 and 0.1 equals to 1/10
The result is 15 1/10.

If you want to make it a pure fraction, you haveto make one additional step:
because you want to add 15/1 and 1/10, youhave to get the same denominators, so 15/1 changes to 150/10.
Now, you can add 150/10 and 1/10.The result is 151/10.

15 1/10
is
15.1
as
a
fraction

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