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Jlenok [28]
3 years ago
9

What is -2y + 10 + 2y - 8 simplified

Mathematics
2 answers:
Andru [333]3 years ago
8 0

Answer:

2

Step-by-step explanation:

-2y + 2y = 0

10 - 8 = 2

Naya [18.7K]3 years ago
5 0

Answer:

Step-by-step explanation:

Add the variables that go together (-2y+2y=0) these cancel each other out. Now add the remaining numbers 10-8=2. Answer=2

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Marizza181 [45]
All you would do is multiply .9 by 20
.9*20=18

90% of 20 is 18
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6 0
3 years ago
Please answer this fast in two minutes
Musya8 [376]

Answer:

65 degrees.

Step-by-step explanation:

If LN and OQ are parallel, and QPM is 115, then LMK is also 115. LMP is the supplement, so it would be 65

Hope this helps!

6 0
3 years ago
Read 2 more answers
Which equation is a point slope form equation for line AB ?
Eduardwww [97]

Answer:

Answer choice D:

y - 6 = 2(x - 5)

Step-by-step explanation:

This question is basically asking you to find the point-slope form equation for a line going through the points (3, 2) and (5, 6).

As you can tell by the name, point-slope form needs both a point that the line goes through and the slope of the line.

You can find the slope of the line by using the slope formula since you have two points that the line goes through.

Slope formula: m=\frac{y_2-y_1}{x_2-x_1}

Substitute in the points A and B into the formula.

m=\frac{6-2}{5-3} \rightarrow\frac{4}{2} \rightarrow 2

The slope of this line is 2.

Now since we have the slope and a point of the line, we can plug this into the point-slope form equation, which is y - y1 = m(x - x1).

We will be using one of the points (I will be using point A) to substitute the coordinates into y1 and x1, and using the slope to substitute into m.

Substitute point A's coordinates and the slope of the line into the point-slope form equation.

y - (2) = 2(x - (3))

I always put parentheses around the numbers I substitute into an equation to see exactly what is being plugged in, but now you can remove them to find your answer.

y - 2 = 2(x - 3)

Now, since none of the answer choices do not fit with the answer we have found, we can use the other point coordinate-- point B.

Substitute point B and the slope 2 into the equation.

y - (6) = 2(x - (5))

Remove the parentheses.

y - 6 = 2(x - 5)

There is an answer choice for this answer we have found, answer choice D.

By the way, both of the equations we found: y - 2 = 2(x - 3) and y - 6 = 2(x - 5) will yield the same answer in the end so don't worry if one of the points don't work if you have a multiple choice like this question.

7 0
3 years ago
Read 2 more answers
Lynn asked six friends how many cars their parents own. She recorded 1, 1, 2, 2, 2, and 4 cars. What is the mean absolute deviat
galben [10]
To find the mean absolute deviation, you have to find the mean first.
1+1+2+2+2+4=12
12 divided by 6 numbers=2         The mean of that is two
Next, you have to find the amount the original numbers are away from the mean.
1= 1 away from 2               2=0 away from 2               4=2 away from 2
You should get: 1,1,0,0,0,2              Next, you have to find the mean of the new set of numbers.    1+1+0+0+0+2=4
4 divided by 6= 2/3
The mean absolute deviation is 2/3
8 0
3 years ago
Read 2 more answers
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