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MaRussiya [10]
3 years ago
15

Find the slope and the equation of the line through the points (-4,9) and(8,12)

Mathematics
1 answer:
lianna [129]3 years ago
7 0
The formula for a slope is \frac{y_2 - y_1}{x_2 - x_1}. Inserting those values into the equation, we get (12 - 9) / (8 - (-4)) = 3/12 = 1/4
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Please please help mane :((( give explanation plsss :(((
Deffense [45]

Answer:

2x - 1 > 4x + 6 \\ 2x - 2x - 1 > 4x - 2x + 6 \\  - 1 > 2x + 6 \\  - 6 - 1 > 2x \\  - 7 > 2x \\  \frac{ - 7}{2}  > x

I hope I helped you^_^

3 0
3 years ago
In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In th
KatRina [158]

This question is incomplete

Complete Question

In the first half of a basketball game, a player scored 9 points on free throws and then scored a number of 2-point shots. In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half. Which expression represents the total number of points the player scored in the game?

a) 2x + 3x + 9

b) 2x + 3 + 9

c) 2x + 3x + 9x

d) 2 + 3x + 9

Answer:

a) 2x + 3x + 9

Step-by-step explanation:

Let the number of points shots a player scores = x

In a free throw, the player scored 9 points = 9

The player also scored a number of 2-point shots = 2x

In the second half, the player scored the same number of 3-point shots as the number of 2-point shots scored in the first half = 3x

The expression represents the total number of points the player scored in the game =

2x + 3x + 9

4 0
3 years ago
2x-y-3z=7, 3x+y+=10, 5x+y+2z=15
rosijanka [135]
Y 50 I think it is I am not to sure
7 0
3 years ago
Read 2 more answers
Find the surface area of the composite figure
Maslowich

Answer:

498

Step-by-step explanation:

For the blue block: 4(7x2) + 2(2x2) = 56 + 8 = 64

For green block: 4(12x7) + 2(7x7) = 336 +98 = 434

434 + 64 = 498

3 0
3 years ago
Can someone please explain?
geniusboy [140]

This is an isosceles triangle. The angles at the base are congruent (they have the same measures).

Look at the picture.

We know: The sum of the measures of angles in a triangle is equal 180°.

Therefore we have the equation:

2x-10+2x-10+3x+25=180       <em>combine like terms</em>

(2x+2x+3x)+(-10-10+25)=180

7x+5=180           <em>subtract 5 from both sides</em>

7x=175              <em>divide both sides by 7</em>

x=25

m\angle A=2x-10\to m\angle A=2(25)-10=50-10=40\\\\m\angle C=m\angle A=40\\\\m\angle B=3x+25\to m\angle B=3(25)+25=75+25=100^o

<h3>Answer: D. m∠C = 40</h3>

6 0
3 years ago
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