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Anna71 [15]
3 years ago
13

A window-washing crew can wash 10 windows per hour. 

Mathematics
2 answers:
Brrunno [24]3 years ago
6 0
200/10=20
it will take the crew 20 hours to complete a building with 200 windows
AleksAgata [21]3 years ago
3 0
It will take them 20 hours to complete 200 windows
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If 39 is 15% of a number, what is that number? How did you find your answer?
Nana76 [90]

Answer:

260

Step-by-step explanation:

There are a few ways to solve this, but an easy to understand one is that 39=15%, therefore 13=5%, as it is taking 1/3 of each number. Then to get to 100% we would need to multiply 13=5% by 20 to get 260=100%

6 0
4 years ago
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Sarah says that you can find the LCM of any two whole numbers by multiplying them together. Provide a counter example to show th
xenn [34]

Answer:

  4·6 = 24 ≠ 12 = LCM(4, 6)

Step-by-step explanation:

Any pair of numbers with a common factor will refute Sarah's conjecture.

One such pair is 4 and 6, which have a product of 24. The LCM of 4 and 6 is 12, which is that product divided by their common factor of 2.

8 0
4 years ago
Help please I give thanks
Alona [7]

1.) Gather all the sides (length, width, and height)
V=l×w×h


2.)Plug in the correct and appropriate volume:
V=8×6×\frac{1}{3}

3.)Multiply all of them:
V=8×6×\frac{1}{3}
  =48×\frac{1}{3}
  =\frac{48}{3}
  =16 (after simplifying)

4.) State the answer in a sentence:<span> 

  The volume of the rectangular prism is 16 </span>cubic^{2}. 

Hope this helps!
8 0
3 years ago
Help pls help I will mark brainlist​
Kay [80]

Answer:

x = 20

y = 5

Step-by-step explanation:

<u>Adjacent angles of a parallelogram are supplementary</u> (add up to 180°).

So,

6x + 17 + 2x + 3 = 180

Combine like terms

6x + 2x + 17 + 3 = 180

8x + 20 = 180

Subtract 20 to both sides

8x = 180 - 20

8x = 160

Divide 8 to both sides

x = 160 / 8

x = 20

Now,

<u>Opposite sides of parallelogram are equal.</u>

So,

JK = ML

6y - 13 = 32 - 3y

Add 3y and 13 to both sides

6y + 3y = 32 + 13

9y = 45

Divide 9 to both sides

y = 45 / 9

y = 5

\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807 </h3>
7 0
3 years ago
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Please help fasttt!!
gogolik [260]

Answer:

then u help me

Step-by-step explanation:

8 0
3 years ago
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