Write two equations that have one unique solution each

Mathematics

1 answer:

KonstantinChe [14]3 years ago

7 0

10 plus 5x = 50(x=8)
62 times 2x = 128(x=31)

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Beth writes this problem:

Aneli [31]

250
1250 & 250 divided by 1250

8 0

2 years ago

Which equation does the graph below represent?<br> y=1/3+x<br> y=1/3x<br> y=3+x<br> y=3x

barxatty [35]

Lets find 2 points, one obvious one is (0,0), another point is (12,4)

$Slope = \frac{4-0}{12-0} =\frac{4}{12} = \frac{4\times 1}{4\times 3} = \frac{1}{3}$

y = mx + b

m is the slope

we got m = 1/3

We can eliminate answer choices C and D.

y = 1/3x + b

we need to solve for b

Plug in the point (0,0) and solve for b

0 = 1/3(0) + b

0 = 0 + b

b = 0

The equation of the line is y = 1/3x + 0, or y = 1/3x

Your answer is B.

3 0

3 years ago

2 lines intersect and create VERTICAL angles. One of the angles measures (3n-28) degrees and the other angle measures 83 degrees

kykrilka [37]

Answer:

n=37

Step-by-step explanation:

Two lines intersect and create vertical angles.

The vertical angles are $(3n-28)^\circ$ and 83^\circ.$