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kumpel [21]
3 years ago
12

Help me out with this question please mathematic ✏️

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
7 0

Answer:

the second bubble is the answer

Step-by-step explanation:

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What is 6.9 as a fraction or a mixed number
love history [14]
If you're looking for a fraction:
Think of it this way, the 9 is in the 10th place. The 6 is in front of the decimal. So, it's 69/10. The 10 takes the place of the 9, the "/" is the decimal moved to the right one space.

Or 

If you're looking for a mixed number:
You basically split the above fraction "69/10" up into two separate pieces. So, it's
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4 0
3 years ago
Is y=3x+4 parallel or perpendicular
Sauron [17]

Answer: y=3x+4 is parallel to y=3x+7

Step-by-step explanation:

<h3> The complete exercise is: "Is y=3x+4 parallel, perpendicular or neither to y=3x+7?"</h3><h3 />

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope of the line and "b" is the y-intercept.

First, in order to solve this exercise it is important to remember that, by definition:

1. The slopes of parallel lines are equal.

2. The slopes of perpendicular lines are negative reciprocal.

In this case, you have the following line given in the exercise:

 y=3x+4

You can identify that "m" and "b" are:

m=3\\b=4

And the other line provided in the exercise is this one:

y=3x+7

So, you can identify that:

m=3\\b=7

As you can notice, the slopes of both lines are equal; therefore, you can conclude that those lines are parallel.

6 0
3 years ago
R2+2r-33=0 solve by completing the square
-BARSIC- [3]
R^2+2r-33=0  move constant to other side by adding 33 to both sides

r^2+2r=33   halve the linear coefficient, square it and add to both sides, in this case it is just one

r^2+2r+1=34  now the left side is a perfect square...

(r+1)^2=34  take the square root of both sides...

r+1=34^(1/2)  subtract 1 from both sides

r=-1+34^(1/2) and -1-34^(1/2)
8 0
3 years ago
If x-y doesn't equal 0 then x^2-y^2 / x-y =
NARA [144]
Recognize the differnce of 2 perfect squares

a²-b²=(a-b)(a+b)

so
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3 0
3 years ago
What happens to the value of the expression 70 - 39 as g increases?
miskamm [114]
A because it makes sense
Step by step explanation
8 0
3 years ago
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