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Natasha_Volkova [10]
4 years ago
8

Find the inverse -4 a. -1/4 b. 1/4 c. 4 d. -4

Mathematics
2 answers:
Mnenie [13.5K]4 years ago
8 0

For this case we must find the inverse of the following number:

-4

By definition we have that the inverse of a number multiplied by the number gives us 1 as a result.

Let "x" be the inverse of -4, then:

x (-4) = 1\\-4x = 1\\x = - \frac {1} {4}

So, the inverse of -4 is- \frac {1} {4}

Answer:

- \frac {1} {4}

Wewaii [24]4 years ago
6 0

Answer:

c. 4

Step-by-step explanation:

To find the inverse of a number, x, then you end up getting -x.

x = -4

- ( -4 ) = 4

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Meryl needs to cut down 10.5 trees for every 5 cabins she builds. how many trees would she need to build 7 cabins​
Sidana [21]

Answer:

<h2>14.7 Trees</h2>

Step-by-step explanation:

We solve this using a proportion.

\frac{10.5}{5} = \frac{x}{7}

10.5 x 7 = 73.5

5x = 73.5

x = 14.7

Now let's check the proportion.

\frac{10.5}{5} = \frac{14.7}{7}

10.5 x 7 = 73.5

14.7 x 5 = 73.5

73.5 = 73.5 ✅

I'm always happy to help :)

4 0
4 years ago
Can you help me with 17,18,19,20,21
iren [92.7K]

Answer:

See Below

Step-by-step explanation:

#17. You just have to plot the points, this should be super easy. Go to the left 6 (because it is negative) then up four. This is M. Then go right 5 and up 4 and plot A.

#18. Point T is a reflection of A over the X-axis. This is quite simple as well. All you need to do it make your Y coordinate negative? Why Y? You'll see. You need to essentially "fold" the graph at the X line, so your Y value goes from up top at 4 to below the X axis as we're reflecting over the X line. I hope that makes sense. T should be at 5,-4

#19 This is the same process as 18, Over the X coordinate. Make Y negative and plot it. It should be H= -6,-4

#20 You can get this from the answers from #18 and #19.

#21. The formula is Base*2+Height*2, or Base+Base+Height+Height. You want the distance around. I'll have you figure this out, but if you get comment and I'll check back. How many steps do you go up from T to A? How about over from H to T 9 or (M to A)? Once you find how many units your base and height are, use the formula for perimeter to find the answer. Hope this helps! :)

6 0
3 years ago
Which point is the vertex of the angle below?
Orlov [11]

Answer:

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Step-by-step explanation:

The vertex is the point at which the lines that define the angle's amplitude meet.

In this case, they meet in point F.

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3 years ago
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Answer:

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Step-by-step explanation:

4 0
3 years ago
Pls help I’ll give extra points
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Answer: help with what? whats the question?

Step-by-step explanation:

7 0
3 years ago
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