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lara31 [8.8K]
2 years ago
11

What happens to momentum when objects stick together.

Mathematics
1 answer:
maksim [4K]2 years ago
5 0
Total momentum will be conserved
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How many solutions are there to the following system of equations?
ANTONII [103]
I believe the answer is A because you cannot find x nor y
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4 years ago
How many lines of reflectional symmetry does an equilateral triangle have?
Mekhanik [1.2K]
There are 3 lines of reflectional symmetry in an equilateral triangle 
7 0
3 years ago
Write the equation of the line that passes through the points (1,4) and (-7,1)
Ira Lisetskai [31]

Answer:

y = 3/8x +29/8

Step-by-step explanation:

First we need to find the slope

m= (y2-y1)/(x2-x1)

   = (1-4)/(-7-1)

   = -3 /-8

   = 3/8

Then we can use the slope intercept form of the equation of a line

y = mx+b where m is the slope and b is the y intercept

y = 3/8x +b

Substitute a point into the equation to find b

4 = 3/8(1) +b

Subtract 3/8 from each side

32/8 -3/8 = 3/8-3/8+b

29/8 = b

Substitute b back into the equation

y = 3/8x +29/8

5 0
3 years ago
Suppose that the handedness of the last fifteen U.S. presidents is as follows:
ladessa [460]

Answer:

(C) No, since 0.47 is not equal to 0.13.

Step-by-step explanation:

We have two events, A and B.

I am going to say that P(A) is the probability that a president is left-handed.

I am going to say that P(B) is the probability that a president is a Democrat.

P(B/A) is the probability that the probability that the president is a Democrat, given that he is left-handed.

If P(B/A) = P(A), then the events are independent.

In this problem, we have that P(B/A) = 0.13 and P(A) = 0.47. So, "being left-handed" is not independent of "being a Democrat" and the correct answer is

(C) No, since 0.47 is not equal to 0.13.

3 0
3 years ago
Solve: 9^8-x= 27^x-3
liubo4ka [24]

Answer:

x = 4.25

Step-by-step explanation:

First, alter the equation until both exponents have the same base. We know that 9^3 is 27. Therefore, we can change 27^(x-3) into 9^3(x-3).

Now, the equation can be written as 9^(8-x) = 9^(3x-9)

Now that the bases are the same, we can cancel them out and just solve for the exponents. This will look like:

8-x = 3x-9.

8 = 4x - 9

17 = 4x

x = 4.25

8 0
4 years ago
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