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xenn [34]
3 years ago
6

Einstein's most famous equation is e = mc2 . in this equation, e stands for energy, m stands for mass, and c stands for the spee

d of light. use algebra to solve this equation for the mass. that is, complete this equation: express your answer in terms of the variables e and
c.
Mathematics
1 answer:
kumpel [21]3 years ago
6 0
E = mc^2......divide both sides by c^2
E / c^2 = m <===
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There are seven black marbles and nine white marbles in a bag what is the aprroximate probability of drawing two black marbles a
iren2701 [21]
Well, first in total there are 16 marbles. So the change of getting a black is 7/16. Now we have 15 marbles. The chance is 6/15. Now we have 14 marbles. The chance is 9/14. When you multiply 7/16 x 6/15 x 9/14 = 9/80
Hope this works
5 0
3 years ago
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What is the x-intercept of the function graphed below?
AlekseyPX

The x- intercept is the intersection between a graph and the x-axis. As shown by the picture, the graph goes through (2,0).

The answer is (2,0) A. 

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3 years ago
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If the graph of y = 72 + 6 is translated 4 units down, which equation describes the new graph?
matrenka [14]

\left. \begin{array} { l } { y = 112 + 6 }\\ { y = 73 + 2 }\\ { y = 72 + 10 }\\ { y = 3 x + 6 }\\ { \text{Solve for } z \text{ where} } \\ { z = 0 } \end{array} \right.

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3 years ago
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How many x-intercepts does the graph of y = 4x2 + 5x + 2 have?
boyakko [2]

Answer:

Step-by-step explanation:

hello : y= 4x² + 5x + 2

the x-intercepts  when y=0  means : 4x² + 5x + 2=0

a=4   b= 5   c=2

∆ = b²- 4ac     ∆ = (5)²- 4(4)(2) =25-32 = -7

∆ < 0 no reals solutions no  x-intercepts  

3 0
3 years ago
Here are two closed containers and four balls just fit into each container. Each ball has a diameter of 60mm. Which container ha
Fittoniya [83]

Answer:

"A is smaller"

Step-by-step explanation:

The full question is attached.

<u>Surface area of cylinder:</u>

The formula is  SA=2\pi r^2 + 2\pi r h

where r is the radius and h is the height

Here, radius would be 30 since balls have diameter 60 and radius is half of that.

Also height is the diameter of 4 balls line-by-line, so height is 60*4 = 240

Now, plugging into the formula, we get:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (30)^2 + 2\pi (30) (240)\\SA=50,868

<u>Surface Area of rectangular prism:</u>

The surface area of rectangular prism is the area of all the rectangular surfaces (6 of them).

Area of top and bottom = (60+60)*(60+60) * 2 = 120*120 * 2 = 28,800

Area of 2 sides = 2 * (60*120) = 14,400

Area of front and back = 2 * (60*120) = 14,400

Total Surface Area = 28,800 + 14,400 + 14,400 = 57,600

Thus, cylinder has smaller surface area.

"A is smaller"

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3 years ago
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