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3 years ago

6

The question is in the picture

1 answer:

Snezhnost [94]3 years ago

7 0

Answer:

my bro from another mo it x=10

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Please help!! I'll give 30 points and brainliest.

Valentin [98]

Step-by-step explanation:

$3 + \frac{9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{3 \times 4 + 9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{12 + 9}{4} = \frac{9}{x+4} \\ \\ \therefore \: \frac{21}{4} = \frac{9}{x+4} \\ \\ \therefore \:21(x + 4) = 36 \\ \\ \therefore \:21x + 84 = 36\\ \\ \therefore \:21x = 36 - 84\\ \\ \therefore \:21x = - 48\\ \\ \therefore \:x = \frac{-48}{21} \\ \\ \therefore \:x = \frac{-16}{7} \\ \\ \huge \red{ \boxed{ \therefore \:x = - 2 \frac{2}{7} }}\\ \\$

8 0

3 years ago

The length of a rectangle is twice its width. the perimeter is 60 ft. find its area.

ollegr [7]

I hope this helps you

width w

lenght 2w

perimeter =2 (width +length )

60=2 (w+2w)

30=3w

w=10

Area= 2w.w

Area = 2.10.10

Area =200

5 0

3 years ago

I need help explanation if possible

viva [34]

Answer:

y = 16.

Step-by-step explanation:

The ratio of corresponding sides of similar triangles are the same.

The small and large triangles are similar ( - that is corresponding angles are congruent).

So 2/(2+8) = x / 20

2/10 = x/20

10x = 40

x = 4.

Therefore y = 20 -4 = 16.

3 0

2 years ago

Find 2 and 3 please explain how u got ur answer

Svetllana [295]

1) ?=102 degrees
2) x=132 degrees
3) y=69 degrees and x=96 degrees
i hope the photo helps show you each step

4 0

3 years ago

Inga [223]

Answer:

the answer is (2,-6)

Step-by-step explanation:

5 0

3 years ago