If you add four numbers together and then divide the sum by 4, you find the.

Answers

Answer 1
Answer:

You find the Average.


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sue stacked one box onto another. the bottom had the height of 2 1/3 feet and the top box had the height of 3 2/3 feet. how tall were the stacked boxes?

Answers

Height of bottom box : - 2 (1)/(3) => 7/3
Height of top box : - 3 (2)/(3) => 11/3

Thus, height of two boxes =

(7)/(3) + (11)/(3) = (18)/(3) => 6ft

Happy to help chodini!
2(1)/(3) + 3(2)/(3) = 5(3)/(3) =6 \n \nAnswer: \ Height \ of \ two \ boxes \ is \ 6 \feet


Andrea can clean a house 4 times as fast as Denise. When they work together, Andrea and Denise can clean a large house in 8 hours. How many hours would it take Denise to clean the house by herself?

Answers

ummmmhmmm not sure ,but im guessing 32

Round this number to two significant figures. 8,468

Answers

Answer:

Rounding to two significant figures the number became

8468=8\bar{5}00

Step-by-step explanation:

Given : Number 8,468

To find : Round this number to two significant figure ?

Solution :

Rounding to two significant figure we have to estimate or round the values in terms of zeros.

Rounding the number to hundreds value,

As 6 is greater than 5 so 4 rounds to 5 and rest became zero.

i.e. 8468=8\bar{5}00

bar means the estimated value.

Therefore, Rounding to two significant figures the number became

8468=8\bar{5}00

8500

10^3 x 8.5 = 8500


Solve using the substitution method 2x+3y=1 y=x-8

Answers

subsitute

y=x-8
since y=x-8, subsitute x-8 for y

2x+3(x-8)=1
distribute (a(b+c)=ab+ac)
3(x-8)=3x-24

2x+3x-24=1
combine like terms
5x-24=1
add 24 to both sides
5x=25
divide 5
x=5
subsitute
y=x-8
y=5-8
y=-3

x=5
y=-3 is solution
in (x,y) forom
(5,-3) is the solution
I will try to solve your system of equations.y=x−8;2x+3y=1Step: Solvey=x−8for y:Step: Substitute x−8 for y in 2x+3 y=1:2x+3y=12x+3(x−8)=15x−24=1   (Simplify both sides of the equation)5x−24+24=1+24 (Add 24 to both sides)5x=255x5=255 (Divide both sides by 5)x=5Step: Substitute 5 for x in y=x−8:y=x−8y=5−8y=−3(Simplify both sides of the equation)Answer:y=3 and x=5

How do you find the area of this

Answers

Answer:

156 cm^2

Step-by-step explanation:

area of a paralelogram is Base times hieght

13 times 12

A stack of paper contains 400 sheets. The volume of the stack is 140.25 cubic inches. Each sheet of paper is identical, with a length of 11 inches and a width of 8.5 inches. Find the height of each sheet of paper. Please put the process.

Answers

Answer:

0.00375\ \text{inches}

Step-by-step explanation:

Volume of the stack of paper is 140.25 cubic inches

The length and width of the stack will be equal to that of a single sheet of paper so

l=11\ \text{inches}

w=8.5\ \text{inches}

Let h be the height of the stack.

Volume of the stack would be

lwh=140.25\n\Rightarrow h=(140.25)/(lw)\n\Rightarrow h=(140.25)/(11* 8.5)\n\Rightarrow h=1.5\ \text{inches}

So the stack has a height of 1.5 inches. Now there are 400 sheet of paper in the stack.

Thickness of one sheet of paper is given by

(1.5)/(400)=0.00375\ \text{inches}

Hence, the height of each sheet of paper is 0.00375\ \text{inches}.