The area of a rectangle is 40 square feet. What could be the perimeter of the rectangle?

Answers

Answer 1

Answer: The perimeter of the rectangle could be 26.
Hope this helps! (:

Answer 2

Answer: side a + side b+side a+side b

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August hosted two dinner parties for his friends. Twenty guests attended the first party, and twenty-six guests attended the second party. What is the percentage increase of the number of guests from the first party to the second party?

Answers

Answer: 30%

Step-by-step explanation:

The first step is to find the increase in numbers

26-20= 6

Now you find the percent. This means you're looking for the percent 6 is equal to when compared to 20. The easiest way is to divide the increase by the original number

6/20= 0.3

To convert that to percent, multiply it by 100

0.3 * 100= 30%

There was a 30% increase.

39.42 divided by 5.4

Answers

39.42 divided by 5.4 is 7.3

Heres an example without a decimal.

$5√(300)$ i kknow i know, your going to say.. but but, theres a little line there!! but ignore that little line. so, $5√(300)$ you have to try to find the highest number possible to equal that number. so 5 into 3 goes into 0 times.. so we can't use 3... okay.. what about 5 into 30?? well, yes!!! so, you put the 6 at the top, and you put 30 under the 300, but keep in mind, DO NOT FOCUS ON THE NUMBER THAT IS NOT USED. so, also, put the number "6" on the part that equals or something so that would be on the 0, next to the three.

6
    $5√(300)$
-30
-----
0
OKay, now your done it that, you got one more number!! which is 0. I know you can't do 0 divided by 5 so just put a "0" on top of zero next to 6 then you subtract as show below: also i forgot!!! birng down the 0 so it would be like this:

60
   $5√(300)$
-30
------
00 (can't do the arrow thing so yeah sorry about that)
but now you got the 00, so thats where you subtract that and get zero like this,
   60
$5√(300)$
-30
------
00
-0
-----
0
so the number is, and the number has no more numbers left, so 60 will be our answer. Sorry if it was a bit complicated.. but yeah... Hope i helped!!! :D

7.3, just divide 39.41 by 5.4, it's that simple

Factorise:p^2-6p+5
do I need to find out what two numbers times together to get 5, and add to get -6? An explanation and answer would be great :/

Answers

Answer:

p²-6p+5

=(p-1)(p-5)

well i just have only an answer:
(p-5)(p-1)
sorry for the no explanation...
but ENJOY!!!

Factor completely 3x2 - 21.

Answers

3x² - 21

Factor 3 from both terms:

3 (x² - 7)

To me, that's as far as you should need to go. But if you want to get
completely carried away, you could go one step further, since you have
the difference of two squares:

3 (x + √7) (x - √7)

Of course, there's no end now, because the last binomial could be
considered another difference of two squares, so you'd have to
factor that too:

3 (x + √7) (√x + ⁴√7) (√x - ⁴√7)

but to me, this would be nonsense.

$3x^2-21=3(x^2-7)=3[x^2-(\sqrt7)^2]=3(x-\sqrt7)(x+\sqrt7)$

Which expression has a value of 8? A. (4 + 4) ÷ (4 • 4) B. 4 + 4 ÷ (4 • 4) C. 4 + (4 ÷ 4) • 4

Answers

The answer would be C

A) (4+4)/(4x4)=(8)/(16)=1/2
B) 4+4/(4x4)=4+4/(16)=4+(1/4)=4 1/4
C) 4+(4/4)x4=4+(1)x4=4+4=8

The answer is C

Prove my answer

4+ (4/4).4

4+(1)(4)

4+4 = 8

I hope that's help !

What is a related equation to this equation?18/a = 7

A. a = 7/18

B. a + 7 =18

C. a = 18/7

D. a = 18 * 7

Answers

Simple.....

you have $(18)/(a) =7$

to find what a is....simplify/multiply both sides....

$a* (18)/(a) =7*a$

simplifying it too....

18=7a

$(18)/(7) = (7a)/(7)$

$(18)/(7) =a$

Thus, your answer, C.

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