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2 years ago

Which expression is a factor of 3xy + 2x – 18y – 12?

Mathematics

1 answer:

aleksandr82 [10.1K]2 years ago

4 0

x+6 is the right one

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Simplify to create a equivalent expression.

Ratling [72]

Answer:

$\boxed{\bold{66k+9}}$

Explanation:

Expand $\bold{5\left(10k+1\right): \ 50k+5}$

= $\bold{50k+5+2\left(2+8k\right)}$

Expand $\bold{2\left(2+8k\right): \ 4+16k}$

= $\bold{50k+5+4+16k}$

Simplify $\bold{50k+5+4+16k: \ 66k+9}$

= $\bold{66k+9}$

Mordancy.

7 0

2 years ago

Read 2 more answers

In the diagram below of triangle PQR, S is the midpoint of PR and T is the

Nina [5.8K]

Answer:

ST = 4

Step-by-step explanation:

A segment joining the midpoints of 2 sides of a triangle is half the length of the third side.

ST = $\frac{1}{2}$ PQ substitute values

- 32 + 9x = $\frac{1}{2}$ (- 5x + 28) ← multiply both sides by 2 to clear the fraction

- 64 + 18x = - 5x + 28 (add 5x to both sides )

- 64 + 23x = 28 ( add 64 to both sides )

23x = 92 ( divide both sides by 23 )

x = 4

Then

ST = - 32 + 9x = - 32 + 9(4) = - 32 + 36 = 4

5 0

2 years ago

Arturo purchased a package of 50 blank CDs. After he used “x” CDs, he had “x” less than 50 CDs remaining. How many CDs did he ha

Katarina [22]

Answer:

19 Cds left.

Step-by-step explanation:

The question said he used 31 Cds, so 50 minus 31 is 19.

4 0

2 years ago

Write an equation of the line that passes through the origin and

Vanyuwa [196]

Answer:

y = 3x

Step-by-step explanation:

Parallel lines have the same slope, so the slope of this new line will be the same as the given one.

For a line to pass through the origin it needs to have a y intercept of 0, because the origin is the point (0,0).

6 0

2 years ago

Read 2 more answers

Plz help me quickly I’ll give brainlist

Svetlanka [38]

Answer:

$5\frac{5}{6}$

Step-by-step explanation:

3 1/2 x 1 2/3 = 35/6

6 x 5 + 5 = 35/6

4 0

2 years ago