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lorasvet [3.4K]
3 years ago
15

(PLEASE HELP/LAST QUESTION)

Mathematics
1 answer:
Mashcka [7]3 years ago
8 0

Answer:

Parallel: y=6x-19

Perpendicular: y=-1/6x-0.5

Step-by-step explanation:

To be parallel to a line, the slope must be the same as the line. Then, you plug 3,-1 into y=6x, and add or subtract to balance the equation. You do the same to find the perpendicular line, but the slope must be the negative reciprocal of the line it is perpendicular to.

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4(2.1k-4)=6(3.4k-2) what does (K) equal?
LUCKY_DIMON [66]
Hey there.

4(2.1k - 4) = 6(3.4k - 2); apply the distributive property to remove the parenthesis.
8.4k - 16 = 20.4k - 12; Get the variable to one side, so subtract 8.4k.
-16 = 12k - 12; isolate the variable by adding 12.
-4 = 12k; divide by 12 to solve for our variable.
k = -1/3

I hope this helps!
6 0
3 years ago
CAN SOMEONE PLEASE HELP ME ASAP ILL MARK BRAINLIST!!!!!
goldenfox [79]

Answer:

40 x 9 = 360 + 4 = 364

5 x 9 = 45 +8 = 53

364-53= 311

311/9

8 0
2 years ago
Julia collects colored beads for craft projects. Of julia's beads, 4/9 are silver, 1/5 are, gold and 1/4 are blue. The rest of t
klemol [59]

Answer:

19 red beads

Step-by-step explanation:

We first need to find a common denominator of 4/9, 1/5 and 1/4.

The common denominator is 180. Like in an expression, what we do to one side we have to do to the other.

Silver - 180/9 = 20 ; 20*4 = 80 so there are roughly 80 sliver beads.

Gold - 180/5 = 36 ; 36*1 = 36 so there are roughly 36 gold beads.

Blue - 180/4 = 45 ; 45*1 = 45 so there are roughly 56 blue beads.

180 - (silver+gold+blue) = red beads

180-161 = 19 red beads b/c ----->

80+36+45+19 = 180

4 0
3 years ago
Solve the system by Substitution
dusya [7]

Answer:

(-1,0)

Step-by-step explanation:

I used a graphing calculator and that is the solution

4 0
2 years ago
12% is 90% of what number?
Andrews [41]
12% = 0.12

90% = 0.9

0.12 = 0.9 \times x\\\\x = \frac{0.12}{0.9}=\boxed{1.33333}
7 0
3 years ago
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