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jeyben [28]
3 years ago
9

Can someone please help even bubbling in with no work is ok I just don’t understand.

Mathematics
1 answer:
Ronch [10]3 years ago
8 0

Answer:

This is as much as I could do.

Step-by-step explanation:

Steps r in pic below

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What is y=\dfrac{2}{3}x+4y=
lara [203]

Answer:

12y+x-12=0

Step-by-step explanation:

If I'm not mistaken by the question, we have

x+4y=\dfrac{2}{3}x+4

Multiply through by the LCM of all the denominators to clear the fractions. Since we have only one fraction, we multiply through by its LCM (3)

3\timesx+3\times4y=3\times\dfrac{2}{3}x+3\times4

3x+12y=2x+12

Putting all terms on the LHS (left hand side) and evaluating,

12y+x-12=0

5 0
3 years ago
HELP MEEEEE PLEASEEEEEE
Sindrei [870]

Answer:

x=16\dfrac{28}{37}\\ \\y=5\dfrac{1}{3}\\ \\z=7.5

Step-by-step explanation:

The diagram shows three paralel lines which divide the large triangle into three similar triangles.

By Thales theorem,

\dfrac{5}{z}=\dfrac{y}{8}=\dfrac{2}{3}

Then

\dfrac{5}{z}=\dfrac{2}{3}\Rightarrow 2z=15,\ z=7.5\\ \\\dfrac{y}{8}=\dfrac{2}{3}\Rightarrow 3y=16,\ y=\dfrac{16}{3}=5\dfrac{1}{3}

From the similarity of triangles,

\dfrac{x}{20}=\dfrac{z+8}{z+8+3}\\ \\\dfrac{x}{20}=\dfrac{7.5+8}{7.5+8+3}\\ \\\dfrac{x}{20}=\dfrac{15.5}{18.5}\\ \\x=20\cdot \dfrac{155}{185}=20\cdot \dfrac{31}{37}=\dfrac{620}{37}=16\dfrac{28}{37}

6 0
3 years ago
What decimal is longer than 8.5 cm
Leto [7]

Answer:

<h2>8.5555</h2>

Step-by-step explanation:

This number is not only larger, but also longer in digits than 8.5.

<h2>___________________________________________________</h2><h2><em>I AM ALWAYS HAPPY TO HELP :)</em></h2>
5 0
3 years ago
Help please!! I’ll mark you brainliest if you get it right!!!
Nuetrik [128]
8x^2 + 9 - 6x^2 - 2x - 2
= 2x^2 - 2x + 7

answer is B
2x^2 - 2x + 7
3 0
3 years ago
Read 2 more answers
Help with number 13 please if someone can please
guapka [62]

Answer: X=2   Y=-6

Step-by-step explanation:

6 0
3 years ago
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