Write a problem that involeves finding the unknown measure of a side of a rectangle. Include the solution

Answers

Answer 1

Answer: 2X +2(15)=46
What is X?

2X+30=46
-30 -30
________
2X=16
X=8

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Round 16.748 to the nearest tenth

Answers

When you are rounding to the nearest tenth, you look at the number beside the number in front of the decimal. It is lower than so you would not change any numbers and drop the numbers after. The answer is 16.7

16.7000 is the anwser

What is the exact volume of the cylinder? h 40 in. radius 16 in.

Answers

V=πr2h=π·162·40≈32169.90877

i think that answer is but im not sure,
V ≈ 32169.91 in³

X - 3/8 = 3/6

what is x.

Answers

X-3/8=3/6
Add 3/8 to both sides, to leave the variable alone
X= 3/6-3/8
Use common denominators-8 (3/6 is 1/2)
X= 4/8-3/8
X=1/8

Answer:

X is 7/8 or if decimal is need it is 0.875

you want to build the rectangular dog pen with 20 yards of fencing against your house which is 20 yards wide. which dimensions will give you the most space for your dog?

Answers

ok so your house is 20 yards wide, that akes care of one side
if you have only 20 yards of fencing then hmm
the way to max the space is to make all side equal

20 is for 3 sides
20/3=6.6666666 per side
assuming you don't need to fence the house side

the amount of fencing is 6 and 2/3 by 6 and 2/3 by 6 and 2/3 yards

the correct answer is 6 2/3 hope this helps

What is one sixth plus one fourth?

Answers

1/6 + 1/4 = 5/12
(1/6)*2 + (1/4)*3
2/12 + 3/12
(2+3)/12
5/12

Find the solutions to the equation by compelting the square x^2-6x=7

Answers

Answer:

The solution set is {-1, 7}

Step-by-step explanation:

Rewrite x^2-6x=7 as x^2 - 6x = 7.

Identify the coefficient of the x term; it is -6.

Halve this coeff (obtaining -3)

Square this result (obtaining 9)

Add 9 to x^2 - 6x and then subtract 9 from the result: x^2 - 6x + 9 - 9

Then we have:

x^2 - 6x + 9 - 9 = 7. Add 9 to both sides, obtaining

x^2 - 6x + 9 = 16

Rewrite x^2 - 6x + 9 as the square of a binomial: (x - 3)^2

Then we have

(x - 3)^2 = 16

Taking the square root of both sides, we get

x - 3 = ±4, so that: x = 3 + 4 = 7, and x = 3 - 4 = -1.

The solution set is {-1, 7}.

Answer:

To complete the square x^2-6x=7

We take the coefficient of X which is -6

divide it by 2 -3

square that number 9

then add it to both sides of the equation.

x^2 -6x + 9 = 16

(x -3) * (x -3) = 16

We take the square root of both sides:

a) x-3 = 4

b) x-3 = -4

Therefore, x = 7 and x = -1

Step-by-step explanation:

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