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MariettaO [177]

3 years ago

9

What is the solution to this equation?

2 answers:

Alex Ar [27]3 years ago

5 0

The answer is D. 8
Work: 3x-6=18 You have to get x alone on one side
+6=+6 You cancelled out the -6 using +6 (always use opposites and what u do to one side you always do to the other side of the = sign)
3x=24 You cancelled out the x3 using /3
/3=/3
X=8 Your answer

charle [14.2K]3 years ago

4 0

D<x =8 18+6 is 24 and 24/3 is 8

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A model of a 39 foot tall building was made by using the scale 1 in : 4.5 feet. What is the height of the model? Round your answ

Gnom [1K]

1 / 4.5 = x / 39....1 inch to 4.5 ft = x inches to 39 ft
cross multiply
(4.5)(x) = (1)(39)
4.5x = 39
x = 39 / 4.5
x = 8.7 inches <==

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2 years ago

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Anni [7]

I think the answer is letter D.

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Which is greater <br> 0.7repeating or 3/4

Kobotan [32]

Answer:

0.7 repeating I believe

Step-by-step explanation:

i'm not sure how i got it, but yea

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Monica [59]

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Please answer these 2 questions. I promise to mark as brainliest if you can solve with steps. Thank you.

neonofarm [45]

Answer:

see explanation

Step-by-step explanation:

4

Since the triangles are similar then the ratios of corresponding sides are equal, that is

$\frac{BC}{EF}$ = $\frac{AB}{DE}$ ( substitute in values )

$\frac{x-1}{18}$ = $\frac{4}{12}$ ( cross- multiply )

12(x - 1) = 72 ( divide both sides by 12 )

x - 1 = 6 ( add 1 to both sides )

x = 7

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5

The parallel line segment SV is half of RW

that is x = 7.5

SV also divides the sides RT and WT in proportion, that is

$\frac{10}{3}$ = $\frac{8}{y}$ ( cross- multiply )

10y = 24 ( divide both sides by 10 )

y = 2.4

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2 years ago