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3 years ago

What is the slope of 4x-5y=-5

Mathematics

1 answer:

gavmur [86]3 years ago

8 0

Hey there!!

In order to find the slope, let's convert this equation which is in a standard form to a slope-intercept form.

Slope intercept form:

y = mx + b

We have two things to remember:

'm' in the equation stands for slope.
'b' in the equation resembles y-intercept.

Given:

4x - 5y = -5

The main idea:

We will have to isolate 'y'

First, let's subtract 4x on both sides:

4x - 5y - 4x = -4x -5

-5y = - 4x - 5

Now let's divide both the sides with -5

-5y/-5 = (-4x/-5) + (-5/-5)

y = (4/5)x + 1

Now, we got the slope intercept form and the coefficient of 'x' would be the slope.

Hence, the slope of the line is '4/5'

Hope it helps!

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Alex Ar [27]

Slope intercept form: y = mx + b

Equation: 682 = 40x
Slope = 40 (or 40/1)
Y-intercept = 0

In this case,

y = the total
x = the amount of minutes
y-intercept = 0, since there isn’t a b in the equation.
slope = 40, because y = mx + b is 682 = 40x

This should be correct, unless there is missing information in the question.

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2 years ago

Read 2 more answers

Help me pls i dont get this

Gnoma [55]

Answer: B. 80

Step-by-step explanation:

Solve the equation they've given you:

$\frac{3}{4} S=60\\\frac{3S}{4} =60\\3S=60*4\\3S=240\\S=80$

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3 years ago

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Reese went cycling in the morning .The ratio of her distance in miles to the length of time in minutes was 15:60 tease concluded

rodikova [14]

Answer:

No, she is not correct as her speed is 0.25 miles per minute.

Step-by-step explanation:

Given:

Ratio of distance to time taken is 15 : 60.

Distance is in miles and length of time is in minutes.

We know that, average speed is given as the ratio of the distance traveled and the length of the time taken.

So, the ratio above is nothing but the average speed of Reese for cycling.

Thus, average speed of Reese is given as:

$\textrm{Average speed}=\frac{Distance}{Time}\\\\\textrm{Average speed}=\frac{15}{60}\ miles\ per\ min\\\\\textrm{Average speed}=\frac{1}{4} = 0.25\ miles\ per\ min$

Therefore, the average speed of Reese is 0.25 miles per minute which is not equal to the one mentioned by Reese as 4 miles per minute.

So, Reese conclusion of her average speed is incorrect. It's not 4 but the reciprocal of 4 which is 0.25 miles per minute.

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3 years ago