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lidiya [134]
3 years ago
13

A. 3 (x + 2) = 18

Mathematics
1 answer:
Artyom0805 [142]3 years ago
8 0

Answer:

c

Step-by-step explanation:

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The graph shows the solution to which system of equations?
Sedaia [141]
So let's start by guesstimating the slopes:
the green line has a slope close to -x, but more negative than that, possibly -2; the pink line has a slope close to +x, but higher towards +2.

Next let's look at the solution: the two lines intersect at the point (1, -1).
**you could just simple plug that x (1) into all the equations, but let's rule out answers anyway. ;)

A) is incorrect because the slopes of -1 and +1 are off from out predicted -2 and +2
B) is incorrect because of a similar reason, the slopes of +3 and +1 don't make any sense
C) Ooh, we do have a +2 and -2 for the slopes, and... violà! plug in 1 for the x's and we get -1 for the y in both equations
D) slopes are closer than in A and B, but plugging in 1 doesn't get us -1

So the correct answer is:
C) y = 2x - 3 and y = −2x + 1
6 0
3 years ago
Find the slope of the line passing through the pair of given points.<br> (5, 7) and (2,7)
gulaghasi [49]

Answer:

m = 0

Step-by-step explanation:

m = \frac{7 - 7}{5 -2} \\m = \frac{0}{3}\\m = 0

8 0
3 years ago
A tree is 6 feet 7 inches tall. How tall is it in inches?
matrenka [14]

Answer:

79 inches

Step-by-step explanation:

1 foot equals 12 inches

6 feet = 6*12 = 72 inches

72+7=79

79 inches

6 0
2 years ago
What is 14.1% of the 132 mL rounded to the nearest 10th
Anastasy [175]
132 x 14.1% = 18.612


So 18.612 rounded to 18.6
5 0
3 years ago
Simplify<br> (x – 3) (232 – 4x – 7)
11111nata11111 [884]

Answer:

-4x^2 + 237x - 675

Step-by-step explanation:

(x - 3)*(232 - 4x -7)                            >> Distribute x and -3 to the trinomial

232x - 4x^2 - 7x - 696 + 12x + 21     >> Simplify

-4x^2 + 237x - 675

3 0
2 years ago
Read 2 more answers
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