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notka56 [123]
3 years ago
8

Find the value of x and y

Mathematics
2 answers:
mars1129 [50]3 years ago
6 0
The answer is B hope i helped
Zigmanuir [339]3 years ago
4 0

Answer:

A

Step-by-step explanation:

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How do I use elimination for the equations-x+5y=20 and 12y= 2x+ 60?
Slav-nsk [51]

\left\{\begin{array}{ccc}-x+5y=20\\12y=2x+60&\text{subtract 2x from both sides}\end{array}\right\\\left\{\begin{array}{ccc}-x+5y=20\\-2x+12y=60&\text{divide both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}-x+5y=20\\x-6y=-30\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad\qquad-y=-10\to\boxed{y=10}\\\\\text{Put the value of y to the second equation:}\\\\x-6(10)=-30\\x-60=-30\qquad\text{add 60 to both sides}\\\boxed{x=30}\\\\Answer:\ \boxed{x=30\ and\ y=10\to(30,\ 10)}

3 0
4 years ago
What is the value of x?
Alenkasestr [34]

Answer:

x = 2

Step-By-Step Explanation:

It is really easy to see that the angle on the left side is almost equal to 90° (Right Angle) but is a bit less.

35 × 1 + 3 = 38 F It is too less than 90°

35 × 2 + 3 = 73 T It is closer and less than 90°

35 × 3 + 3 = 108 F It is close but more than 90°

35 × 4 + 3 = 143 F It is too much more than 90°

So,

x = 2

Double Checking

(180° - (35° × 2 + 3)) + (2 + 39°) + (3 + 30°)

= (180° - 73°) + 41° + 32°

= 107° + 41° + 32°

= 180°

<em><u>If this helped, please consider picking this answer as the Brainliest Answer. Thank you!</u></em>

4 0
3 years ago
12x-9=-9 <br>I need help​
Margaret [11]

Answer:

x=0

Step-by-step explanation:

4 0
3 years ago
Hey please help me asap
Harrizon [31]

Answer:

It's A.

Step-by-step explanation:

Since point C divides in the ratio 1:2, one of the coordinates has to be half of the other coordinate. 3 is half of the coordinate 6, which therefore makes it correct.

6 0
4 years ago
5 Mario has $660 in his savings account earning 2.5% interest yearly. How much interest will he earn in 2 years?
lapo4ka [179]

Answer:

$33

Step-by-step explanation:

You do $660 • 0.025

You have to bring the decimal two places to the left for finding the decimal point.

So you'd get 16.5.

But there's two years. So times it by two.

So it's 33.

Hope this helps

4 0
3 years ago
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