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saveliy_v [14]
3 years ago
13

For spring break this year your family decided to visit Michigan, but it snows the first weekend you are there. You decide to ma

ke a snowman. If the bottom ball is 3 feet across, the middle ball is 2 feet across, and the top is 1 foot across, how much snow is needed to build the whole snowman? Round your answer to the nearest cubic foot.
A) 19 cubic feet of snow
B) 31 cubic feet of snow
C) 511 cubic feet of snow
D) 824 cubic feet of snow
Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Answer:

The correct answer to this question is A) 19 cubic feet of snow

Step-by-step explanation:

To solve this, use the equation V = 4/3 (π r^3) to get the volume of each. Then add all the volumes together: (1ft x3.14) + (2ft x3.14) + (3ft x3.14). You will get 19 cubic feet of snow. This is how much snow is needed to build the whole snowman.

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What is 3 ( 8 -4x) equivalent to
Mariulka [41]

Answer:

-12x + 24

Step-by-step explanation:

6 0
3 years ago
Use the order of operations to simplify<br> 5*3 to the second power-15/5
ASHA 777 [7]

Assuming the question reads:

5 \cdot 3^2 - 15 \div 5

The order of operations is as follows:

Parentheses

Exponents

Multiplication/Division

Addition/Subtraction

There are no parentheses in the equation.

There is an exponent in the equation. Solve this term first:

3^2 = 9

The equation should now read:

5 \cdot 9 - 15 \div 5

There are two multiplication/division operations in the equation. Solve them individually:

5 \cdot 9 = 45

15 \div 5 = 3

The equation should now read:

45 - 3

There is one subtraction operation. Solve this term for your answer:

45 - 3 = \boxed{42}

7 0
3 years ago
Find the area of the isosceles trapezoid. leave your answer in simplest radical form 4cm 7cm 3cm
nata0808 [166]
The area of a trapezoid is (a+b)/2 * h
a is the length of the small base which is the one on the top and is 4cm
b is the length of the big base which is the one at the bottom and is 4 + 3 + 3 = 10cm
h is the height which is 7cm
So the area is (4+10)/2 * 7
A= 14/2 * 7
A= 7 * 7
A= 49 cm^2
8 0
3 years ago
Sam and Mary collect marbles. “If you give me 5 marbles I’ll have twice as many as you.” said Sam to Mary.
ivann1987 [24]

Answer:

54 marbles

Step-by-step explanation:

The question is a word problem leading to a simultaneous equation

Let 'x' represent the initial number of marbles with Sam, and let 'y' represent the initial number of marbles with Mary,

If Mary gives Sam 5 marbles, we have;

x + 5 = 2 × (y - 5)...(1)

If Sam gives Mary 4 marbles, we get;

x - 4 = y + 4...(2)

From equation (1), we get;

x + 5 = 2 × (y - 5) = 2·y - 10

x = 2·y - 10 - 5 = 2·y - 15

x = 2·y - 15...(3)

From equation (2), we have;

x - 4 = y + 4

∴ x = y + 4 + 4 = y + 8

x = y + 8...(4)

Equating the two values of 'x' in equation (3), and equation (4), we get;

2·y - 15 = y + 8

2·y - y = 8 + 15 = 23

∴ y = 23

From equation (4), we get;

x = y + 8 = 23 + 8 = 31

x = 31

The total number of marbles they have altogether = x + y

However, x + y = 23 + 31 = 54

Therefore;

The total number of marbles they have altogether = 54 marbles.

7 0
3 years ago
Find the volume of the cylinder. Round your answer to the nearest tenth.
ludmilkaskok [199]

Answer:

1526.8 ft ^3

Step-by-step explanation:

the volume of a cylinder formula is V=π x r^2 x h

= pi x 9^2 x 6

= pi x 81 x 6

=1526.8 ft ^3

7 0
2 years ago
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