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2 years ago

Answer quick for brainliest.

Mathematics

2 answers:

PtichkaEL [24]2 years ago

8 0

The slope is -3 and the y-intercept is -1

Nonamiya [84]2 years ago

7 0

Answer:

The slope-intercept form of an equation,

y = mx+c

where m is the slope and c is the y-intercept.

Here, slope i.e m = -3

y-intercept = -1

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Simplify (3x2 – 4x – 1) + (8x2 – x + 6)

abruzzese [7]

Answer:

$11x^{2} -5x+5$

Step-by-step explanation:

$3x^{2}-4x-1+8x^{2} -x+6$

$3x^{2}+8x^{2}-4x-x-1+6$

Combine like terms

$11x^{2}-5x +5$

6 0

2 years ago

Which line is parallel to the line that passes through the points (1, 7) and (-3, 4)? A. B. C. D.

Helga [31]

Answer:

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7 0

2 years ago

Mitch bought five books for $68.75. four of the books were sports books and cost the same price. the other book was a novel and

mart [117]

68.75 + 7= 75.75 your answer is $75.75

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2 years ago

..........................

QveST [7]

Answer:

x = 0.954

Step-by-step explanation:

We apply pythagorean to find x

(4-x)² = 1.2² + 2.8²

(4-x)² = 9.28

✓(4-x)² = ✓(9.28)²

4 - x = 3.046

- x = 3.046 - 4

- x = -0.954

x = 0.954

(Please heart and rate if you find it helpful, it's a motivation for me to help more people)

7 0

2 years ago

Log (3x+1) - Log (2x+5)= 1

sleet_krkn [62]

Answer:

$\huge \red { \boxed{x = - \frac{49}{17}}}$

Step-by-step explanation:

$log(3x + 1) - log(2x + 5) = 1 \\ \\ log \: \frac{3x + 1}{2x + 5} = log \: 10..( \because \: log \: 10 = 1) \\ \\ \frac{3x + 1}{2x + 5} = 10 \\ \\ 3x + 1 = 20x + 50 \\ 3x - 20x = 50 - 1 \\ \\ - 17x = 49 \\ \\ x = \frac{49}{ - 17} \\ \\ \huge \purple{ \boxed{x = - \frac{49}{17}}} \\$

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2 years ago