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Semmy [17]
3 years ago
12

I’m confused on this one

Mathematics
1 answer:
makkiz [27]3 years ago
4 0
In this problem, there are 2 similar triangles: triangle FMN and triangle FGH.

Their ratio to each other is 1:2 which we know by the midpoints.

If they have a ratio of 1:2, line segment GH is the 2 times of line segment MN.

To find x:
8x + 2 = 2 \times 13 \\  \\ 8x + 2 = 26 \\  \\ 8x = 24 \\  \\ x = 3
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Inverse for f(x)=1/2x+3
Semenov [28]

Answer: f^{-1}(x)=2x-6

Step-by-step explanation:

To find the inverse, we want to switch the y with x and x with y. Once we do that, we solve for y.

y=\frac{1}{2}x+3        [switch x and y]

x=\frac{1}{2}y+3        [subtract both sides by 3]

x-3=\frac{1}{2} y        [multiply both sides by 2]

y=2x-6

Now, we know that  f^{-1}(x)=2x-6.

3 0
3 years ago
Read 2 more answers
What is the volume of this oblique cone?
castortr0y [4]
Hey I tried, hope it helps... can't work it out, all the best

7 0
3 years ago
Read 2 more answers
Vinny has decided to order high tops in black and white at a 5:8 ratio. He believes he will need a total of 169 pairs. How many
Citrus2011 [14]

Answer:

  65 pairs

Step-by-step explanation:

Black makes up 5/(5+8) = 5/13 of the total order, so ...

  (5/13)(169 pairs) = 65 pairs

Vinny will order 65 pairs of black high tops.

3 0
3 years ago
Angel has finished 75% of an art project that has taken
oksano4ka [1.4K]

Answer: 12 hours

Step-by-step explanation: For this problem we will write a percent equation to solve for 100% and how many total hours it will take angel to finish the entire project.

Lets write a equation to solve for w, total amount of hours.

9/w = 75/100

9/w x w = 75/100 x w

9 = 75w/100

9 x 100/75 = 75w/100 x 100/75

w = 12

So, it will take Angel 12 hours to finish his entire project.

7 0
3 years ago
Graph the solution to this inequality on the number line.<br> 2x – 6 &gt; -16 and 3x – 10 &lt; 8
dusya [7]

Answer:

2x-6=-16 and 3x- 10=8

Step-by-step explanation:

2x=-16+6 and 3x=8+10

2x=-10 and 3x=18

2x/2=10/2 and 3x/3=18/3

x=5 and X=6

7 0
3 years ago
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