2 years ago

Solve for the variable in 6/18=x/36

Mathematics

1 answer:

liberstina [14]2 years ago

6 0

6/18=x/36

18x=216

x=12

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In the diagram below, GH is parallel to DE . If GH is 3 more than EH FH=10, and DE=12 find the length of EH. Figures are not nec

steposvetlana [31]

Answer: 5

Step-by-step explanation:

Since $\overline{GH} \parallel \overline{DE}$ , by the corresponding angles theorem, $\angle FGH \cong \angle FDE, \angle FHG \cong \angle FED$ . This means $\triangle FGH \sim \triangle FDE$ by AA.

As corresponding sides of similar triangles are proportional,

$\frac{10}{x+3}=\frac{10+x}{12}\\(10)(12)=(10+x)(x+3)\\120=x^{2}+13x+30\\x^{2}+13x-90=0\\(x+18)(x-5)=0\\x=-18, 5$
However, as distance must be positive, we consider the positive solution, x=5.

Therefore, the answer is <u>5</u>

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1 year ago

Write six times ten to the second power into a decimal

antiseptic1488 [7]

0.600. If I'm wrong please tell me so I can correct my answer and recalculate it.

5 0

2 years ago

HELP PLEASE IM GOING TO DIE PLEASE

zysi [14]

Answer:

21. 4

Step-by-step explanation:

2*3=6

4*6=24

24/6=4

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8 0

2 years ago

Read 2 more answers

Given that mCD=20°, find mBC

frosja888 [35]

Answer:

70°

Step-by-step explanation:

$m\widehat {BC} = 90\degree - m\widehat {CD}$

$m\widehat {BC} = 90\degree -20\degree$

$m\widehat {BC} = 70\degree$

5 0

2 years ago

Part B: Solve 3w – 6r = 30 for r. Show your work.

Alina [70]

Sorry I don't really understand the question but

If you are looking for r in terms of w:

3w - 6r = 30
-6r = 30 - 3w
r = -5 + 0.5w
r = 0.5w - 5
=========================================
If you are looking for the exact value of x, sorry, I don't know..... (-_-")

3 0

2 years ago