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Step2247 [10]
3 years ago
6

Write down an appropriate equation in order to determine x

Mathematics
1 answer:
Ulleksa [173]3 years ago
5 0

Answer:

X+20° = 180°

or, X = 180°-20°

or, X = 160°

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The temperature dropped 5.8 degrees an hour.
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What is an equation for the line that passes through (-2,-3) with a slope of -1/2?
Crazy boy [7]

Answer:

C

Step-by-step explanation:

To write the equation of a line use the point slope form of a line substituting m = -1/2 and the point (-2,-3).

y -y_1 = m(x-x_1)\\y --3=-\frac{1}{2}(x--2)\\y+3 = -\frac{1}{2}(x+2)

Convert to standard form by applying the distributive property and rearranging the terms.

y + 3 = -\frac{1}{2}(x+2)\\y+3 = -\frac{1}{2}x -1\\2y + 6 = -x -2\\x+2y + 6 = -2\\x + 2y = -8

The equation x +2y = -8 is the same equation as 4y + 2x = -16 just doubled----> 2x + 4y = -16

8 0
3 years ago
Which expression is equivalent to -3 - (-5) *
horrorfan [7]
Where are the expression.
I would say -3+5
7 0
3 years ago
What is the answer and why is it that answer
Dmitry_Shevchenko [17]

Answer:

A

Step-by-step explanation:

73+107 = 180. When the smaller of the two angles is 73 all of the smaller angles are also going to be 73 and since the angles MTS and STN are bigger angles they both have to be 107

5 0
3 years ago
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