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SVETLANKA909090 [29]
3 years ago
11

Someone help pleeeeaSe

Mathematics
2 answers:
belka [17]3 years ago
5 0

Answer:

The answer is D. 2x/15

monitta3 years ago
3 0

Answer:

The answer is \frac{2x}{15}

First, you have to have both fractions have the same denominators. With that, you can subtract both with them.

So, the LCD (Lowest common denominator) is 15, meaning, you have to multiply both fractions to get the denominator to 15.

Multiply 4x/5 by 3 (both numerator and denominator) and multiply 2x/3 by 5 (both n and d).

After multiplying, you get 12x/15 - 10x/3

Then you subtract it and get 2x/15 !

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Please answer question with work ♥️
vova2212 [387]

Answer:

r=201

d = 77 1/2

Step-by-step explanation:

6) First multiply left and right by 16, to get rid of the fraction:

r - 25 = 11*16

Now add 25 left and right:

r = 11*16 + 25 = 201


7) Add 5 left and right

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multiply by 5/2

d = 31 * 5/2 = 77 1/2

3 0
3 years ago
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Answer:

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Step-by-step explanation:

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5 0
2 years ago
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ehidna [41]
k:6x-14y=-28\ \ \ \ |subtract\ 6x\ from\ both\ sides\\\\-14y=-6x-28\ \ \ \ \ \ |divide\ both\ sides\ by\ (-14)\\\\y=\frac{-6}{-14}x-\frac{28}{-14}\\\\y=\frac{3}{7}x+2\\----------------------------\\l:3y-7x=-14\ \ \ \ \ |add\ 7x\ to\ both\ sides\\\\3y=7x-14\ \ \ \ \ \ |divide\ both\ sides\ by\ 3\\\\y=\frac{7}{3}x-\frac{14}{3}

Two\ lines\ are\ perpendicular\ if\ product\ of\ the\ slopes\ is\ equal\ -1.\\\\k:y=\frac{3}{7}x+2\to the\ skolpe\ m_k=\frac{3}{7}\\\\l:y=\frac{7}{3}x-\frac{14}{3}\to the\ slope\ m_l=\frac{7}{3}\\\\m_k\times m_l=\frac{3}{7}\times\frac{7}{3}=1\neq-1\\\\conclusion:the\ lines\ are\ not\ perpendicular\\\\Two\ lines\ are\ parallel\ if\ the\ slopes\ are\ equal.\\\\m_k=\frac{3}{7};\ m_l=\frac{7}{3}\to m_k\neq m_l\\\\conclusion:the\ lines\ are\ not\ parallel


Answer:\boxed{C-The\ lines\ intersect\ but\ are\ not\ perpendicular.}
3 0
3 years ago
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