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Hoochie [10]
3 years ago
7

Solve for b in the equation: 2b + 3c = 14

Mathematics
1 answer:
bagirrra123 [75]3 years ago
8 0
Remember you can do anything to an equation as long as you do it to both sides

2b+3c=14
minus 3c both sides
2b=14-3c
divide both sides by 2
b= \frac{14-3c}{2}
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ludmilkaskok [199]
74 degrees

An angles value is 1/2 of the value of its corresponding arc. Angle x has the corresponding arc of 148, so it’s 148/2 or 74 degrees
3 0
3 years ago
Solve 8x 2 - 2x - 1 = 0<br><br> {-1/4, 1/2}<br> {-1/2, 1/4}<br> {1/2}
Kamila [148]
<span>8x^2 - 2x - 1 = 0
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answer
</span><span>{-1/4, 1/2}</span>
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4 years ago
Which is the slope of the line y = -3x + 2?<br><br><br> A. -3<br> B. -2<br> C. 2<br> D. 3
alexandr1967 [171]
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7 0
3 years ago
Read 2 more answers
Brooke found the equation of the line passing through the points (–7, 25) and (–4, 13) in slope-intercept form as follows.
Arturiano [62]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

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m: It's the slope

b: It is the cut-off point with the y axis

m = \frac {y2-y1} {x2-x1}

We have the following points:

(x1, y1): (- 7,25)\\(x2, y2): (- 4,13)

Substituting the values:m = \frac {13-25} {- 4 - (- 7)} = \frac {-12} {- 4 + 7} = \frac {-12} {3} = - 4

Thus, the line is of the form:

y = -4x + b

We substitute one of the points and find "b":

13 = -4 (-4) + b\\13 = 16 + b\\b = 13-16 = -3

Finally we have to:

y = -4x-3

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The equation es y = -4x-3

6 0
3 years ago
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─4(15 + 4 + 5) and 12(21 ─ 63 + 42)<br><br> With work!!
Leni [432]

Answer:

-4 x 15 = -60                        12 x 21 = 252

-4 x 4 = -16                           12 x 63 = 756

-4 x 5 = -20                          12 x 42 = 504

-60 + -16 + -20 = -96           252 - 756 + 504 = 0

Step-by-step explanation:

distributive property on both sides

brainliest?

8 0
3 years ago
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