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dlinn [17]
3 years ago
12

HELP ASAP AND GETS SOME POINTS AND BRAINLEST!!!!

Mathematics
2 answers:
lys-0071 [83]3 years ago
8 0

Answer:

Option D

Step-by-step explanation:

guajiro [1.7K]3 years ago
4 0

Answer:

9x² + 28x - 32

Step-by-step explanation:

Given

(9x - 8)(x + 4)

Each term in the second factor is multiplied by each term in the first factor, that is

9x(x + 4) - 8(x + 4) ← distribute both parenthesis

= 9x² + 36x - 8x - 32 ← collect like terms

= 9x² + 28x - 32

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WHOEVER EXPLAINS ALL THEIR WORK AND GOES THROW EAXH STEP WILL GET BRAINLEST THAT IS COMPLETELY FINISEHD. write the equation of t
neonofarm [45]

Answer:

y = -3x+11

Step-by-step explanation:

I accept your challenge!

First we know that a equation of the line is a linear equation, and its equation is:

y = mx+b

m: \text{slope}\\b: \text{y-intercept}

In this context, the slope, defined as the steepness of a line is characterized as the ratio of RISE (the difference in the y-coordinates, the vertical change) over the RUN (the difference in x-coordinates, the horizontal change).

$m=\frac{\text{change in y}}{\text{change in x}}=\frac{\Delta y}{\Delta x}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}   $

Once we know two points where the line goes through, we can get the slope, once we know the change in y and x.

I will take (3,2) as Point 1 and (4,-1) as Point 2.

So, x_{1}=3 \text{ and } y_{1}=2\\x_{2}=4 \text{ and } y_{2}=-1

$m=\frac{\text{change in y}}{\text{change in x}}=\frac{\Delta y}{\Delta x}=\frac{-1-2}{4-3}   $

$m=\frac{-3}{1}=-3 $

Now we have to find the y-intercept:

To do so, think about the the points given and the nearly finished equation, we can find b with those two informations.

Our currently equation of the line is:

y = -3x+b

Using the points, take Point 1 as an example, it says that when x = 3, y = 2, so plugging it in the equation:

2 = -3(3)+b\\2 = -9+b\\11 = b

Taking the Point 2

-1 = -3(4)+b\\-1 = -12+b\\11 = b

Now we found b! The equation is complete!

y = -3x+11

6 0
3 years ago
3(2+q)+153(2+q)+15 simplified is
blondinia [14]
6 + 3q + 306 + 153q + 15
156q + 327
8 0
3 years ago
15-0 = 0-15. True or False. Justify your statement.
faltersainse [42]

Answer:

False

Step-by-step explanation:

15-0=0

0-15=-15

3 0
3 years ago
Read 2 more answers
if hannah had $20.00 and her mom took the $20.00 but she was gave ten dollars how much would she have
lions [1.4K]

Answer:

She currently has $10.00.

Step-by-step explanation:

$20.00 - $20.00 + $10.00

$00.00 + $10.00 = $10.00

8 0
3 years ago
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What is the measurement of two-fifths of a right angle?
barxatty [35]
36.

90 times 2/5 (or 0.4) is equal to 36 

3 0
3 years ago
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