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jok3333 [9.3K]
3 years ago
14

What is the product? (4y - 3)(2x(2)+ 3y-5)

Mathematics
2 answers:
aleksley [76]3 years ago
5 0

Answer:

2 2

4y(2y +3y - 5) - 3(2y + 3y - 5)

3 2 2

=8y + 12y - 20y - 6y - 9y + 15

3 2

=8y + 6y - 29y + 15

Step-by-step explanation:

sergejj [24]3 years ago
3 0

Answer:

12y² + 16xy -12x -29y + 15

Step-by-step explanation:

(4y - 3)(2x · 2 + (3y - 5))

multiply 2x with 2

(4y - 3)(4x + 3y - 5)

distribute (or foil) 4y - 3 into 4x + 3y -5

16xy + 12y² - 20y - 12x - 9y + 15

combine like terms

16xy + 12y² - 29y - 12x + 15

rearrange to the correct order

12y² + 16xy -12x -29y + 15

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Point m is the midpoint of line segment ab, b is at (20,4), m is at (18, -2) and a is at (p,q). what is p+q?
Alexandra [31]
The x-value of a midpoint is the average of the x-values of the ends.
The y-value of a midpoint is the average of the y-values of the ends.

The x-value of the end at b is 20 and it's 18 at the middle.
x has decreased by 2 in the course of 1/2 of the line.
So it will decrease another 2 during the other half of the line.
The x-value at the other end, at a, then, is 16.

The y-value of the end at b is 4 and it's -2 at the middle.
y has decreased by 6 in the course of 1/2 of the line.
So it will decrease another 6 during the other half of the line.
The y-value at the other end, at a, then, is -8.

The other end of the line, at a, is at  (16, -8) .

The sum of the coordinates at a (p+q) is  8  .


8 0
3 years ago
A river drops 12 ft vertically over a horizontal distance of 1500 ft.
elixir [45]

Answer:

Slope = rise / run

= -12 / 1500 (It's -12 and not 12 because a drop means it's decreasing)

= -0.008

4 0
3 years ago
Explain the difference between using area and volume with 2-D and 3-D figures.
Marianna [84]

The difference between Area and Volume lies in the fact that the former relates to plane shapes while the latter takes the concept of solid shapes into account.

<h3>What is the difference between Area and Volume?</h3>

The distinctive characteristic of area is the space occupied by a two-dimensional, 2D flat object in a plane while Volume on the other hand is defined as the space covered by a three-dimensional, solid object. The area is quantised in square units while the volume is quantised in cubic units.

Read more on area and volume;

brainly.com/question/1972490

#SPJ1

6 0
2 years ago
If m∠3 = 110°, find m∠2: <br><br> A. 70°<br> B. 90°<br> C. 110°<br> D. 120°
stiv31 [10]
A. 70°

Supplementary angles always = 180°

Where 180 - 110 = 70

110+ 70 = 180
7 0
2 years ago
Read 2 more answers
Classify the polynomial by its degree and the number of terms. 8x²- 3y + 7
katen-ka-za [31]

Answer:

2nd degree

Step-by-step explanation:

8 0
3 years ago
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