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Dafna1 [17]
2 years ago
9

Choose all equations for which x=2 is a solution.

Mathematics
1 answer:
makvit [3.9K]2 years ago
8 0
A and D that’s the answer
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How do I solve the linear equation of 27=6(x)+4(y) over 20=2(x)+5(y)
larisa86 [58]
<u>27 = 6x + 4y </u>= 1 7/20 = 3 4/5<u>
</u>20 = 2x + 5y<u>
</u>
8 0
3 years ago
I'm really lost on this problem
Alenkinab [10]
Since you need a little bit of trigonometry to solve this problem,
I'm pretty sure you've had a little bit of trigonometry in class before
you were assigned to solve this problem.

-- The shaded triangle comes from taking the equilateral triangle and
either folding it in half or cutting it in half.

-- The base that the new triangle is standing on is 1/2 the base of the
equilateral triangle, so it's 7 cm long.

-- The acute angle at the right end of the base is the same as it was in
the equilateral triangle . . . 60 degrees.

--  The tangent of 60 degrees is (opposite side)/(adjacent side) = x / 7 cm

              tan(60) = x/7

-- Multiply each side of this little equation by 7 :   7 tan(60) = x
 
If you don't have the tangent of 60 degrees in your pocket, you can
find it with your calculator.  Multiply it by 7, and Shazam, you know 'x' .
5 0
3 years ago
13x = 32 + 5x this one is solving the equation and checking the solution
ddd [48]
X = 4, You subtract the 5x to the other side then divide the 32 by 8 to get 4.
6 0
3 years ago
Read 2 more answers
Which of the following stories represents the fraction 16/5?
Novay_Z [31]
Answer is to your question is A
6 0
2 years ago
Read 2 more answers
What is the missing length I took a picture help me plz
kakasveta [241]
10 yd. Because 16-6=10.
5 0
3 years ago
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