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2 years ago

Please help me with this question I will give brainliest

Mathematics

2 answers:

german2 years ago

8 0

$13.77

To find what one yard would cost you would take the price and divide it by the number of yards. In this case, 1 yard happens to cost ya $4.59. Multiply 4.59 times 3 in order to get 13.77 :)

r-ruslan [8.4K]2 years ago

7 0

Answer:

$13.77

Step-by-step explanation:

To find what one yard would cost you would take the price and divide it by the number of yards. In this case, 1 yard happens to cost $4.59. You then multiply 4.59 times 3 to get 13.77

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When the radius of a sphere is doubled, what is the resulting change in volume? A) The original volume is doubled. B) The origin

kobusy [5.1K]

Answer:

Step-by-step explanation:

The volume (V) of a sphere is calculated using the formula

V = $\frac{4}{3}$ πr³

If the radius is doubled, that is r = 2r , then

V = $\frac{4}{3}$ π (2r )³

(2r)³ = 8r³, thus the volume is multiplied by 8

5 0

3 years ago

I’ll give you brainliest for the first person with an answer

raketka [301]

Answer:

1296mm^2

Step-by-step explanation:

Surface Area of the Rectangular Prism to the left on top of the box:

Area of square = lw, 9mm * 9mm = 81mm, then multiply by 2 because 2 of the squares are a part of the surface, giving 162mm^2

Area of a rectangle =lw, 9mm * 9mm = 81mm, then multiply by 2 again, because 2 rectangles are a part of the surface, giving 162mm^2

So, the total surface area of the rectangular prism to the left on top, is 324mm^2

Surface Area of the Triangular Prism:

Area of a triangle: 1/2bh, and our base length would be 12, because we have to subtract 9 from 21 since the base length of the triangle isn't stated. Anyways, A = 1/2bh, so A = 1/2(12)(9) = 54mm^2, but multiply by two, so we get 108mm^2.

Area of the rectangle: lw, so 15mm * 9mm = 135mm^2

So, the total surface area of the triangular prism is 243mm^2

Surface Area of the Rectangular Prism at the bottom:

Area of the long rectangles in front = lw, 21mm * 9mm = 189mm^2, multiply by 2, 378mm^2

Area of the rectangles to the side = lw, 9mm * 9mm = 81mm^2, multiply by 2, 162mm^2

Area of the rectangle at the very bottom = lw, 21mm * 9mm = 189mm^2

So, the total surface area of the rectangular prism at the bottom is 729mm^2

Add all the total surface areas of each shape to get the total surface area of the figure:

324mm^2 + 243mm^2 + 729mm^2 = 1296mm^2

The surface area of the figure above is 1296mm^2

4 0

2 years ago

In the New York State daily lottery game, a sequence of 4 (not necessarily different) digits in the range of 0-9 is selected at

devlian [24]

Answer:

50.40% probability that all 4 are different.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

Desired outcomes:

4 digits, all different

For the first digit, it can be any of them, so there are 10 possible

For the second digit, it can be any of them other than the first digit. So there are 9 possible.

For the third digit, it can be any of them, other than the first and the second. So there are 8 possible.

By the same logic, 7 possible digits for the fourth. So

$D = 10*9*8*7 = 5040$

Total outcomes:

4 digits, each can be any of them(10 from 0 - 9).

$T = 10*10*10*10 = 10000$

Probability:

$p = \frac{D}{T} = \frac{5040}{10000} = 0.5040$

50.40% probability that all 4 are different.

5 0

3 years ago

Riddle (o˘◡˘o)

HACTEHA [7]

Answer:

Step-by-step explanation:

The maths teacher because it was the first day back but he was giving a ‘miD YeAr tEsT’

7 0

3 years ago

Read 2 more answers

8. A snail is traveling at a rate of 0.64 centimeters each second. How many centimeters will

netineya [11]

Answer:

2.61

Step-by-step explanation:

4 0

3 years ago