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3 years ago

Solve the equation plz 8x-2(x+1)=2(3x-1)

Mathematics

1 answer:

KatRina [158]3 years ago

5 0

Answer:

infinite number of solutions

Step-by-step explanation:

8x - 2(x + 1) = 2(3x - 1) ← distribute parenthesis on both sides

8x - 2x - 2 = 6x - 2

6x - 2 = 6x - 2

The expressions on both sides are the same

This indicates the equation has an infinite number of solutions

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What is the y-intercept of the line?

cestrela7 [59]

Answer

-41

Step-by-step explanation:

When X =0 Y=-41

First column you are adding 9

-27+9=-18

-18+9=-9

-9+9=0

Second column you are adding 19

-98+19=-79.

-79+19=-60

-60+19/-41

So when X=0 Y=-41

7 0

3 years ago

Please help :) brainliest for helpful answers!

kicyunya [14]

Using SohCahToa, you’ll find you have the opposite and adjacent, ao, so you’ll use tangent. Opp/adj is x/35 in this situation. You’ll take tan56 • 35 which is 51.9. That should be your answer.

3 0

2 years ago

The volume of a sphere is 28/3 times it surface area, find the surface area

pentagon [3]

Answer:

615.44 units squared

Step-by-step explanation:

Let the volume and surface area of the sphere be V and S respectively.

$\therefore V = \frac{28}{3} \times S\\\\\therefore \frac{4}{3} \pi {r}^{3} = \frac{28}{3} \pi {r}^{2} \\ \\ \frac{ {r}^{3} }{ {r}^{2} } = \frac{28\pi}{3} \times \frac{3}{4\pi} \\ \\ r = 7 \: units \\ \\ \because S = 4\pi {r}^{2} \\ \\ \therefore \: S = 4 \times 3.14 \times {7}^{2} \\ \\ \therefore \: S = 12.56 \times 49 \\ \\ \therefore \: S =615.44 \: {units}^{2}$

7 0

3 years ago

Add the following polynomials, then place the answer in the proper location on the grid.

WARRIOR [948]

Answer: - 2.4x^2 - 1.5x - 11.4

Step-by-step explanation:

- 4.1x^2 + 0.9x - 9.81.7x^2 - 2.4x - 1.6 = - 2.4x^2 - 1.5x - 11.4

6 0

2 years ago

HELP PLS <br> Name the intersection of plane K and plane L.

SCORPION-xisa [38]

Answer:

line MN

Step-by-step explanation:

If two planes intersect, then the intersection is a line.

Answer: line MN

4 0

2 years ago