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icang [17]
3 years ago
12

Solve: x +9< 12 Graph the solutions.

Mathematics
1 answer:
Stels [109]3 years ago
7 0

Answer:

∞

Step-by-step explanation:

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Find the supplement of the angle 76
NARA [144]

Two angles are supplementary if they add up to 180 degrees.


Given the angle 76 degrees, the supplement is 180-76 degrees, or 104 degrees.


5 0
3 years ago
Read 2 more answers
Need quick help with 2 math equations asap! Thanks!
solong [7]

Before answering, keep in mind that parallel lines have equal slopes and perpendicular lines have negative reciprocal slopes. Each problem has you find the slope and then use that rule.


For line F, m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}}


Let xx_{1} = 7, xx_{2} = 9, yy_{1} = 13, yy_{2} = -3


m = \frac{-3 - 13}{9-7}


m = \frac {-16}{2}


m = 8


For line E, the calculations are similar and the slope is 3/5. The perpendicular line would have m = -5/3.

5 0
3 years ago
Question is which of the following equations has both 1 and -3 as solutions? even though i do find the answer on here i would li
stich3 [128]
Where are the equations and then I am happy to help.

x^{2} +2x-3 =0 is the answer
Factor it (x+3)(x-1)
Set each to 0 x+3=0 and x-1=0
Solve each for x  x=-3 and x=1

Ta da :)

Hope that helps

6 0
3 years ago
Best buy sells a stereo system for $650. Their cost was $450. What is the percent markup
fomenos

Answer:

30.76%

Step-by-step explanation:

subtract 450-650=200

200÷650×100=30.76

4 0
3 years ago
A linear function has a slope of 3 and passes through the point (0,-7). What is the equation of the line?
Gnesinka [82]

Answer:

y=3x+-7

Step-by-step explanation:

the standard form is y=mx+b

m being the slope and b being the y intercept

5 0
3 years ago
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