SOMEONE PLEASE HELP!! i’ll give brainliest
1 answer:
Answer:
C.
Step-by-step explanation:
We can get the equation in slope-intercept form if we know the slope (m) and the y-intercept (b).
Since the line is parallel to -2x + 4y = 8, it will have the same slope as the equation.
Converting -2x + 4y = 8 into the slope-intercept form, we would have:
4y = -2x + 8
y = -2x/4 + 8/4
y = -½x + 2
Theregore, slope, m, of the line that is parallel bro 4y = -2x + 8 is -½.
To find the y-intercept, b, substitute (x, y) = (-5, -1) and m = -½ in y = mx + b.
Thus:
-1 = (-½)(-5) + b
-1 = ⁵/2 + b
-1 - ⁵/2 = b
(-2 - 5)/2 = b
-⁷/2 = b
b = -⁷/2
To get the equation of the line, substitute b = -⁷/2, and m = -½ in y = mx + b.
The equation would be:
You might be interested in
Answer:
miles [or, 9.2 miles]
Step-by-step explanation:
<u>Complete Question:</u>
Christine runs 10 miles in 75 minutes. At the same rate, how many miles would she ru n in 69 minutes?
<u>Solution:</u>
We need to find the unit rate first and then find our answer. To get unit rate, we need to know the number of miles she runs in "1 minute". So, we will divide number of miles by number of minutes, that is given. Hence:
That means in 1 minute, Christine runs 2/15th of a mile.
Now, we want to know how many miles she will run in 69 minutes. We simply multiply unit rate (2/15) by the number of minutes (which is 69). Thus we have:
In decimal, doing division, that is 9.2 miles