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3 years ago

Which equation has w=8 as the solution?

Mathematics

1 answer:

Irina-Kira [14]3 years ago

7 0

I used process of elimination to solve this: its is A.

I was confused about the 's' in Sw=64 so i decided it had to be either 5 or 8. its 8

8*8=64

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3 years ago

You are taking an exam with multiple choice questions worth 5 points and short response questions worth 8 points. It takes 2 min

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1 year ago

A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is

Dennis_Churaev [7]

Answer:

The test contains 10 three-point questions and 14 five-point questions

Step-by-step explanation:

Given equations are:

$x+y = 24\\and\\3x+5y=100$

From 2nd equation we can deduce that x represents number of 3-point questions and y represents number of 5-point questions.

Using the substitution method:

From x+y = 24

y= 24-x

Putting this valu of y in 3x+5y=100

$3x+5(24-x) = 100\\3x + 120 - 5x = 100\\-2x+120=100\\-2x = 100-120\\-2x = -20\\\frac{-2x}{-2} = \frac{-20}{-2}\\ x = 10\\Putting\ the\ value\ of\ x\ in\ x+y=24\\10+y=24\\y = 24-10\\y = 14$

Hence, the correct answer is:

The test contains 10 three-point questions and 14 five-point questions..

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4 years ago

It was a 5ft. by 5ft. sandbox. how many square feet would mr. potato head be able to walk inside the box?

AnnZ [28]

25 square feet would mr. potato head be able to walk inside the box.

<h3>What is square ?</h3>

A square is a 2D figure in which all the sides are of equal measure.
Since all the sides are equal, the area would be length times width, which is equal to side × side.
Hence, the area of a square is side square.
Each side of square is 90° .

Given,

length and breadth of sandbox is 5 ft.

Now, We apply formula of area of square.

5 × 5 = 25 ft²

Therefore, 25 ft² would mr. potato head be able to walk inside the box.

Learn more about Area of square

brainly.com/question/27776258

#SPJ4

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2 years ago