3 years ago

Please help with b) and c)

Mathematics

1 answer:

rewona [7]3 years ago

6 0

For b it is A,M and T
For C it is 0%

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A line passes through (2,−7) and (−3,3) . find the slope-intercept form of the equation of the line. then fill in the value of t

ad-work [718]

Slope/m=3-(-7)/-3-2=10/-5=-2
slope/m=-2
y=-2x+b
b= 3=-2*-3+b
b=-3

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4 years ago

Solve each system by substitution.<br>6) y = 2x - 3<br>y=-8x + 17

satela [25.4K]

Answer:

x=2

Step-by-step explanation:

Since they are both equal to y set them equal to each other: 2x-3=-8x+17

Subtract 17 from both sides: 2x-20=-8x

Subtract 2x from both sides: -20=-10x

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4 years ago

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Ronch [10]

Answer:

10 + 2 is 12?

Step-by-step explanation:

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4 years ago

I need help, we've never done any of this.

DedPeter [7]

Answer: your answer is B

Step-by-step explanation:

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3 years ago

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Bernie played 3 rounds of golf, and the mean of his score was 78. If his lowest score was 74, what is the greatest possible valu

zmey [24]

Answer:

85.

Step-by-step explanation:

Let x represent Bernie's highest score.

We have been given that Bernie played 3 rounds of golf, and the mean of his score was 78. His lowest score was 74.

Since Bernie's lowest score is 74, so we can assume that his score on 2nd round would be 75.

Now, we will use mean or average formula to solve our given problem.

$\text{Mean}=\frac{\text{Sum of all data points}}{\text{Number of data points}}$

$78=\frac{74+75+x}{3}$

Let us solve for x.

$78\cdot 3=\frac{74+75+x}{3}\cdot 3$

$234=74+75+x$

$234=149+x$

$x=234-149$

$x=85$

Therefore, the greatest possible value of his highest score would be 85.

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3 years ago