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brilliants [131]
3 years ago
10

Line A is perpendicular to line B. The slope of line A is -1/9 what is the slope of line b?

Mathematics
2 answers:
fredd [130]3 years ago
8 0
The slope of the line is 9
Pani-rosa [81]3 years ago
4 0
\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}}
{\stackrel{slope}{-\cfrac{1}{9}}\qquad \qquad \qquad \stackrel{reciprocal}{-\cfrac{9}{1}}\qquad \stackrel{negative~reciprocal}{+\cfrac{9}{1}}\implies 9}
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The is the mean score ? A.25.5 B.26 C.
pentagon [3]
So to find the mean you add up all the numbers (or the exam scores) which will get you 212 then you take the number and divide it by the total numbers in the set (how many numbers did you add up?)

212 divided by 8 is 26.5 which would be C. I hope this helps!
5 0
3 years ago
To change the number 4 into a fraction, what number goes in the denominator?
wolverine [178]

Answer:

4/1

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Please help me with this question
Bezzdna [24]

Answer:

1.03

Step-by-step explanation:

To find the volume of a prism, find the area of the base and multiply it by the height.

The base is an octagon. The area is found A = 2(1+\sqrt{2})a^2. Substitute a = 0.5.

A = 2(1+\sqrt{2})(0.5^2)\\A = 4.828...(0.25)\\A = 1.21

The volume is 1.21*2.5 = 3.025.

However, there are three holes drilled out half way which each have volume 0.06.

The volume is found as V = πr²h. Substitute r = 0.125 which is half the diameter of 0.25. Since they go half way, the height is h = 1.25.

V = π(0.125)²(1.25) = 0.06.

Since there are 3, they equal 3*0.06 = 0.18.

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1.21 - 0.18 = 1.03

4 0
3 years ago
Will give brain thingy if you get this right.
PolarNik [594]
1 less than or greater than -2
7 0
2 years ago
Read 2 more answers
WILL MARK BRAINLIEST.
charle [14.2K]

Answer:

option d

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The cross section of the rectangular prism is parallel to the base.

So, the length and width is congruent to the base. So, same length and width

3 0
3 years ago
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