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3 years ago

Solve −2x − 15 = 6x + 9

Mathematics

2 answers:

shepuryov [24]3 years ago

7 0

The answer would be -3 .
X=-3

Alex787 [66]3 years ago

4 0

X is going to equal -3

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schepotkina [342]

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The equation simplified equals to 7

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Find the equation of the line using the point-slope formula. Write the final equation using slope-intercept form. (1,2) with a s

Lilit [14]

Answer:

$y-2=\displaystyle -\frac{3}{4}(x-1)$

$y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$

Step-by-step explanation:

Hi there!

Point-slope form: $y-y_1=m(x-x_1)$ where m is the slope of the line and $(x_1,y_1)$ is a given point

Given that the slope is -3/4, we can plug it into $y-y_1=m(x-x_1)$ as m:

$y-y_1=\displaystyle -\frac{3}{4}(x-x_1)$

We can also plug in the given point (1,2):

$y-2=\displaystyle -\frac{3}{4}(x-1)$

Slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when the line crosses the y-axis)

To write the equation in slope-intercept form, isolate y:

$y-2=\displaystyle -\frac{3}{4}(x-1)\\\\y=\displaystyle -\frac{3}{4}(x-1)+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{3}{4}+2\\\\y=\displaystyle -\frac{3}{4}x+\frac{11}{4}$

I hope this helps!

8 0

2 years ago

Answer each part below using only mental math, and describe your method. a. If 39 is 1% of a number, what is that number? How di

Leni [432]

Answer:

Step-by-step explanation:

Given: 39 = 0.01n

Move the decimal point on each side two places to the right: 3900 = n

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3 years ago

Pls help i have 15 minutes left

Anna71 [15]

It’s the last option (-6m-n+3)

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2 years ago

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