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ArbitrLikvidat [17]
3 years ago
10

The slope of the lines that passes through the points (-10,0) and (-13,3)

Mathematics
1 answer:
goldenfox [79]3 years ago
4 0

Answer:

-1

Step-by-step explanation:

The formula to find the slope of a line is:

\frac{y_{2}- y_{1} }{x_{2} -x_{1} }

where (x1, y1) and (x2, y2) are points on the line. We can substitute the points (-10, 0) and (-13, 3) into the formula and simplify:

\frac{3-0}{-13-(-10)} =\frac{3}{-13+10} =\frac{3}{-3} =-1

This means the slope of the line is -1.

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If f(x)=(2x^2)-1, find:<br> -f(3x-1)+2
Sergeeva-Olga [200]

Answer:

-f(3x - 1) + 2 = -18x² + 12x + 1

Step-by-step explanation:

Step 1: Find f(3x - 1)

f(3x - 1) = 2(3x - 1)² - 1

f(3x - 1) = 2(9x² - 6x + 1) - 1

f(3x - 1) = 18x² - 12x + 2 - 1

f(3x - 1) = 18x² - 12x + 1

Step 2: Plug in f(3x - 1)

-(18x² - 12x + 1) + 2

Step 3: Evaluate

-18x² + 12x - 1 + 2

-f(3x - 1) + 2 = -18x² + 12x + 1

8 0
3 years ago
Read 2 more answers
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Mamont248 [21]
X-4y=-2
-x. -x
4y=-2-x
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/4. /4
Y=4x+2/4



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7 0
3 years ago
A shirt is on sale for 30% off. The original price is $26.98. What is the sale price?
Goshia [24]

100% - 30% = 70%

The shirt is selling for 70% of the original price.

Multiply the original price by 70%

26.98 x 0.70 = 18.89

The sale price is $18.89

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3 years ago
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Mark this question "True" if the argument is VALID, and "False" if the argument is INVALID: If this number is larger than 6, the
sleet_krkn [62]

This argument is no valid although the first part of the statement is valid. If a number is larger than 6 than its square must be larger than 36. But if the number is smaller than 6, its square does not need to be smaller than 36. For example...

(-100)²=10000

-100 is smaller than 6 but its square is bigger.

answer: False

7 0
3 years ago
What is 2x+3y-7=<img src="https://tex.z-dn.net/?f=2x%2B3y-7%3D" id="TexFormula1" title="2x+3y-7=" alt="2x+3y-7=" align="absmiddl
crimeas [40]

<u>IF YOU NEED SLOPE-INTERCEPT FORM</u>

2x + 3y - 7 = 0

3y = -2x + 7

y = -\frac{2}{3} + \frac{7}{3}

<u>IF IT IS KIND OF HOW YOU WROTE IT:</u>

If it is 2x+3y-7=2x+3y-7 then the solution is 1

IF THIS IS NOT WHAT YOU NEED, <em>PLEASE </em>COMMENT WITH MORE CONTEXT! :D

5 0
3 years ago
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