Is it correct? Need help

Mathematics

1 answer:

Nimfa-mama [501]3 years ago

6 0

Answer:

I think it is correct correct me if wrong

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Pierre drove his motorcycle 120 miles in 3 hours. At this rate how many miles can he drive in 8 hours?

Fed [463]

Set up a proportion having 120 over 3 = x over 8
cross multiply with 3x = 960
then divide by 3
the answer is 320 miles

8 0

3 years ago

What is the slope of the line that passes through the points<br> (1, -3) and (4, 2)?

Vitek1552 [10]

in this situation it would be the last one or d.

6 0

3 years ago

I need help doing thsi

Naily [24]

True! Because T is the defining letter of the line, so it would be true!

Hope this helps!! :)

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4 years ago

Write the equation of line AB in slope-intercept form, given the points A(0,5) and B(-5,-10) . In your final answer, include all

Evgesh-ka [11]

Answer:

y = 3x + 5

Step-by-step explanation:

1) First, find the slope between the pair of points. Use the slope formula $m = \frac{y_2-y_1}{x_2-x_1}$ . Substitute the x and y values of points A and B into the formula and simplify:

$m = \frac{(-10)-(5)}{(-5)-(0)} \\m = \frac{-10-5}{-5-0} \\m = \frac{-15}{-5} \\m = 3$

So, the slope is 3.

2) Now, identify the y-intercept of the line, or the point at which the line intersects the y-axis. All points on the y-axis have an x-value of 0. We're told that (0,5) is a point the line intersects, and since it has an x-value of 0, that must be the y-intercept.

3) Using slope-intercept format, represented by the equation $y = mx + b$ , write the equation of the line. Remember that the number in place of $m$ , or the coefficient of the x-term, is the slope. So, substitute 3 for $m$ . Also, remember that $b$ represents the y-intercept of a line, so substitute 5 in its place, too. This gives the following answer:

$y = 3x + 5$

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3 years ago

Rob colored 1/4 of a rectangle. what is another way to name 1/4?

Morgarella [4.7K]

One-Fourth is another way

3 0

4 years ago

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