4 years ago

A line passes through the points (k+3,-2k) and (4,1) and has a y-intercept of 6. Find the value of k.

1 answer:

4 0

Y = mx + b; b = 6

1 = 4m + 6; m = -5/4 

-5/4 = (1 + 2k) / (4 - k - 3) = (2k + 1) / (1 - k) 

-5(1 - k) = 4(2k + 1) 

5k - 5 = 8k + 4 

-3k = 9 

k = -3

You might be interested in

How can you simplify this on to an expression

LiRa [457]

Hello :
1/(√6 -1) = (√6 +1)/(√6 -1)(√6 +1) = (√6 +1)/(√6)²-1² ) = (√6 +1)/5

4 0

4 years ago

The equation of line EF is y = 1 over 2 x + 6. Write an equation of a line parallel to line EF in slope-intercept form that cont

MrRissso [65]

Nor sure what you're doing on the bottom but use point slope thing
y-0=-2(x+2)
y=-2x+2
So not sure what you're asking but...
yeah, you're right.

5 0

3 years ago

A cosmetic company tested a new lotion. Of the 2,500 people tested, 15 had an allergic reaction. What percent of the people test

kenny6666 [7]

15/2500 *100 = 0.6%

0.6% is the answer .

5 0

3 years ago

Read 2 more answers

Please help please pleae

Leto [7]

$\frac{2}{12} or \frac{1}{6}$
there are 12 numbers in total on the dices. There are 2 possible ways to make the sum 9; 4 and 5 or 5 and 4.

5 0

3 years ago

Help meee will mark brainliest

dsp73

Answer:

I believe it is B -4/5 I am sorry if I am wrong. If I am right hope this helps and please mark brainlist.

6 0

3 years ago