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Advocard [28]
3 years ago
15

Solve: -40 -5k = 3k +8 (1-7k)

Mathematics
1 answer:
Svet_ta [14]3 years ago
7 0

Answer:

k=1

plz mark me brainliest.

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X^2-7×+10 solve for quadratic formula.
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What does that even mean
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3 years ago
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All of the following expressions are equivalent except:
kkurt [141]
A, sub in a random number as x in all equations and solve, eg- x= 3
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Solve each system of equations by substitution:<br> X + Y = 75<br> 10x + Y = 48
Nimfa-mama [501]

Answer:

X= -3;

Y=78

Step-by-step explanation:

A:       X+Y=75

B:       10X+Y=48

B-A:   (10X+Y)-(X+Y)=48-75

          10X+Y-X-Y= - 27

                       9X=-27

                         X= -3;

Now

A is :     -3+Y=75

                 Y=75+3=78

6 0
4 years ago
!!ONLY TWO QUESTIONS!!
Romashka-Z-Leto [24]

Answer:

A differnece between the plants is that the vascular plant has vascular vessels to carry water and food to all the different parts of the plant

Step-by-step explanation:

one of my teachers told me this.

3 0
3 years ago
Cindy is make a display for a project. She plans on 100 stickers that are 2 inch by 2 inch square on a poster board. The poster
gavmur [86]

Answer:

YES

Step-by-step explanation:

the dimensions of the poster board has to be converted to inches to add comparability

1 feet = 12 inches

3 x 12 = 36 inches

width = 2 x 12 = 24 inches

Area = length x breadth

36 x 24 = 864 cm^2

area of sticker = 2 x 2 = 4cm^2

Number of stickers that can be put on the board = 864 / 4 = 216

216 is greater than 100. So the board has enough room for the stickers

8 0
3 years ago
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