3 years ago

Suppose that there are two solid steel spheres. the second sphere has a radius twice as large as the radius of the first sphere.

Mathematics

1 answer:

RoseWind [281]3 years ago

6 0

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A radioactive substance decays at a rate of 3.4% per day. If it starts at 200 grams, how

Goshia [24]

Answer: 9

Step-by-step explanation:

Since the percent is decaying, you subtract 3.4 from 100, which gets you 96.6

200(0.966)^9 gets you 146.5 which is less than 150

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3 years ago

Alex has 128 photos of his friend to display equally in 4 photo albums. Which equation can you use to find how many will be in e

Trava [24]

Answer:

128 ÷ 4 = $\frac{128}{4}=32$

Step-by-step explanation:

Total number of photos = 128

Number of photo albums = 4

Alex has 128 photos of his friend to display equally in 4 photo albums.

Equation that can be used to find number of photos in each album =

Number of photo albums ÷ Total number of photos

= 128 ÷ 4

= $\frac{128}{4}=32$

7 0

3 years ago

Factor the expression 100n squared - 1

frez [133]

Factor using the difference of squares.

a^2-b^2 = (a+b)(a-b)

100n^2-1
(10n+1)(10n-1)

Final answer: (10n+1)(10n-1)

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3 years ago

A hospital has a large fish tank with the dimensions shown. The tank does NOT have a cover. What is the surface area of the fish

icang [17]

Answer:8300

Step-by-step explanation:

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4 years ago

What is the slope of y=-1+3xy=−1+3xy, equals, minus, 1, plus, 3, x?

kari74 [83]

Answer:

Step-by-step explanation:

Given the function: y=-1+3x

$Slope=\dfrac{\text{Change in y axis}}{\text{Change in x axis}}$

The above is the derivative of y with respect to x.

Therefore, for

$y=-1+3x\\\dfrac{dy}{dx}=3$

Therefore the slope of the function is 3.

6 0

3 years ago

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