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arsen [322]
3 years ago
6

20 points 2 x 4 - 6y = 12 solve for y

Mathematics
1 answer:
siniylev [52]3 years ago
7 0
The answer is  y = -2/3
Steps:
Multiply the numbers: 2 x 4 = 8
8 - 6y = 12
Subtract 8 from both sides
8 - 6y - 8 = 12 - 8 
Simplify: 
-6y = 4
Divide both sides:
\frac{-6y}{-6}=\frac{4}{-6}
Simplify:
y=-\frac{2}{3}

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julsineya [31]

Answer:

35 because if you flip it around its the exact same angle

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3 years ago
Rectangle abcd is similar to rectangle pqrs given that ab =14cm bc =8cm and pq=12cm calculate the length of qr
ohaa [14]

Answer: 6.8571 (Round as needed)

Hope this is correct

Step-by-step explanation:

This is a simple ratio problem

Using the similarity statement we can say 14:12, (ab:pq)

That is our ratio.

So we do 14/12 = 8/x, we solve this using algebra to get our answer.

Hope this is correct.

7 0
3 years ago
Ols
Lelu [443]

Answer:

D. (-1,-2)

Step-by-step explanation:

Every number in the third quadrant of the coordinate plane has negative x and y-coordinates.

  • Quadrant 1 - (x, y)
  • Quadrant 2 - (-x, y)
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7 0
3 years ago
At what point do the curves r1(t) = t, 5 − t, 48 t2 and r2(s) = 8 − s, s − 3, s2 intersect?
DerKrebs [107]
Set components equal:
t = 8-s \\  5-t = s-3 \\  48 t^2 = s^2

From this we find:
t = 8-s \\  s =  4 \sqrt{3} t

Substitute and solve system:
t = \frac{8}{1+4 \sqrt{3}} = 1.009  \\ \\  s = 8-t = 8 - 1.009 = 6.991

The point where they intersect is:
(1.009, 5-1.009, 48(1.009)^2)
3 0
4 years ago
Which statement is true about the parts of this expression?
olganol [36]
<span>A) The constant is 7.5.  FALSE.  7.5 is a coefficient, not a constant.

</span><span>B) The coefficients are 7.5 and -9.  FALSE.  The coefficients are 7.5, -1/9 and 2.  50, being a constant, could be regarded as a coefficient in this case.

</span><span>C) The variables are x and y.  FALSE.  There are three variables:  x, y and z.

</span><span>D) The like terms are 7.5y and 2y.  TRUE.  The variable (y) is the same in each term.</span><span>

</span>
4 0
3 years ago
Read 2 more answers
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