2 years ago

Please help meplease help

Mathematics

1 answer:

Fantom [35]2 years ago

5 0

Options in 3rd and 4th questions are wrong!. Hope it helps :)

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Andrea and her friends love cake. Andrea has two cakes. Each of her friends are going to eat 2/3 of a cake. How many servings of

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Divide 2 cakes by 2/3 serving:

2 / 2/3 = 2 x 3/2 = 6/2 = 3 servings.

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Find the volume of a cylinder with radius 8cm and height 10 cm, correct to 2 decimal places.

serious [3.7K]

Answer:

$2010.62cm^3$

Step-by-step explanation:

The formula for the area of a circle is : $\pi *radius^2$

To work this out you would first have to work out the area of the circle. You can do this by multiplying pi by 8 squared, this gives you 201.06. This is because in order to calculate the volume you must calculate the area of one face of the shape.

The next step is to multiply 201.06 by 10, this gives you 2010.62.

1) Multiply pi by 8 squared.

$\pi*8^2=201.06$

2) Multiply 201.06 by 10.

$201.06*10=2010.62cm^3$

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3 years ago

Is 7.0 a rational or a whole

anyanavicka [17]

Whole number because 7 is in front of the deciaml point

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2 years ago

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In a small town 15 out of every 26 people voted for the current mayor. His opponents reveived a total of 440 votes. How many peo

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2 years ago

The larger of two numbers is five more than twice the smaller number. The sum of the two numbers is 38. Find the numbers.

Damm [24]

Answer:

I would set this up as:

let: lesser number = x

greater number = 2x + 5

Restating the word problem:

lesser number + greater number = 38

x + 2x + 5 = 38

Solving: 3x + 5 = 38

- 5 -5

---------------

3x = 33

--- ---

3 3

x = 11

Substitution for the greater number:

2(11) + 5

22 + 5

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3 years ago

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