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True [87]
3 years ago
7

Solve for x 8/x = 12/30

Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
8 0

Answer:

x = 20

Step-by-step explanation:

We can cross multiply to isolate x

\frac{8}{12} = \frac{x}{30}

multiply 30 from both sides

\frac{30*8}{12} = x

simplify and we get

20 = x

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Which proportions show that the triangles are not similar?
jasenka [17]

Answer:

AC and DF

Step-by-step explanation:

We can see that the triangles have a scale factor of 3.

1 * 3 = 3 (AB and DE)

2 * 3 = 6 (BC and EF)

However...

2 * 3 = 6 not 7 (AC and DF)

3 0
3 years ago
What is the measure of
Nata [24]

Answer:

9

Step-by-step explanation:

3x+18+9x-27=99

12x-9=99

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7 0
3 years ago
What is the midpoint of the segment of the segment that would be created between points L and N on a graph?
il63 [147K]

Option A:

Midpoint of LN = (2, 3)  

Solution:

In the given graph we can find the coordinates of L and N.  

Coordinates of L = (–2, 3)

Coordinates of N = (6, 3)

Here, x_{1}=-2, x_{2}=6, y_{1}=3, y_{2}=3

Let us find the midpoint of the segment LN.

<u>Midpoint formula:</u>

$\text { Midpoint }=\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)

                \begin{aligned}&=\left(\frac{-2+6}{2}, \frac{3+3}{2}\right)\\&=\left(\frac{4}{2}, \frac{6}{2}\right)\\&=(2,3)\end{aligned}

Midpoint of LN = (2, 3)  

Option A is the correct answer.  

Hence the coordinates of the midpoint of the line segment LN is (2, 3).

6 0
3 years ago
26. If you know the lengths of two sides and the measure of _____ angle(s) of a right triangle, you can find the measure of the
lana [24]

Answer:

1

Step-by-step explanation:

For any triangle, you only need to know 3 pieces of information out of the 6 angles and sides to solve for the rest of the triangle.

4 0
3 years ago
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almond37 [142]

Answer: 86.6 hopes this helps:)

Step-by-step explanation:

4 0
3 years ago
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