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prisoha [69]
2 years ago
8

A line passes through the points......​

Mathematics
2 answers:
Kobotan [32]2 years ago
8 0
Should be the first one
choli [55]2 years ago
5 0

Step-by-step explanation:

= -6m+b

2= -2m+b

2= -4m

m= -0.5 = -1/2

4= -6m+b

b= 4+6(-0.5)= 4-3=1

y=mx+b

y= -1/2 x + 1

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Write the equation of the line that passes through (-1,2) and (2,8) in any form NEED HELLP ASAP!!!
Tems11 [23]

Answer: y=2x+4 for parallel and y=-1/2x+1 1/2

Step-by-step explanation: you need to do an equation using the slope which you can find by using y2-y1/x2-x1

from there you have to use y-y1=m(x-x1)

4 0
2 years ago
Does -2(z+3)-z=-z-4(z+2) have one,zero or infinite solutions
Andrew [12]

Hello from MrBillDoesMath!

Answer:

One solution (z = -1)

Discussion:

-2(z+3)-z=-z-4(z+2)        =>

-2z -6 -z = -z -4z - 8       =>

-3z -6 = -5z -8                =>  add 6 to both sides

-2z = -5z -2                     => add 5z to both sides

3z = -5z +5z -3               =>

3z = -3                            =>

z = -1

Thank you,

MrB

6 0
3 years ago
A pineapple is 7 times as heavy as an orange. The pineapple also weighs 870 grams more than the orange. What is the total weigh
sveticcg [70]
1160grams if you want to know the detail just ask me
8 0
3 years ago
Read 2 more answers
Need help with this please
OLga [1]

Answer:

k= -2

Step-by-step explanation:

you are dividing the x by -2 each time

3 0
3 years ago
You order two tacos and a salad. The salad costs $2.50. You pay 8% sales tax and leave a $3 tip. You pay a total of $13.80. How
denis23 [38]
Let T = cost of a taco
Let S = cost of a salad

(2 tacos + 1 salad) + (8 % of 2 tacos and 1 salad) + 3 = 13.80

2T + S + .08(2T + S) + 3 = 13.80
2T + 2.5 + .08(2T + 2.5) + 3 = 13.80
2T + 2.5 + .16T + .20 + 3 = 13.80
2.16T + 5.7 = 13.80
2.16T = 8.10
T = 8.10/2.16 = $3.75

Check: 2T + S + .08(2T + S) + 3 = 13.80
2(3.75) + 2.50 + .08(2(3.75)+2.5) + 3 = 13.80
7.5 + 2.5 + .08(10) + 3 = 13.8
13.80 = 13.80
Answer checks as correct
8 0
3 years ago
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