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3 years ago

Solve for x. 9(x + 1) = 25 + x x = 2 x = 3 x=4 x = 5 O

Mathematics

2 answers:

Marta_Voda [28]3 years ago

4 0

Answer:

x=2

Step-by-step explanation:

9x+9=25+x

9x-x=25-9

8x=16

x=2

bonufazy [111]3 years ago

4 0

X is equal to 2

So u do 25-9 and 9x-x and 8x is 16 and divide by 2

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What’s 2-3-4-4+7. Plzzzz

nignag [31]

Answer:

-2

Step-by-step explanation:

Simplify the following:

2 - 3 - 4 - 4 + 7

2 - 3 - 4 - 4 + 7 = (2 + 7) - (3 + 4 + 4):

(2 + 7) - (3 + 4 + 4)

2 + 7 = 9:

9 - (3 + 4 + 4)

3 + 4 = 7:

9 - (7 + 4)

7 + 4 = 11:

9 - 11

9 - 11 = -2:

Answer: -2

6 0

3 years ago

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Answer both and brainliest you will get

nekit [7.7K]

Answer:

1. The first one is 1/4

2. The 2nd one is 2/5

Step-by-step explanation:

This answer is right because I'm like that.

4 0

2 years ago

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If g(t) = sec(t), what is g(-3 π )?

borishaifa [10]

It should be g(-3π) = sec(-3π)

I hope that helped.

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3 years ago

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What is the final price of a product that costs $14.30 with an added tax rate of 4%?

LenKa [72]

Change 4% into a decimal (.04)

14.30 x .04 = .57

Add the tax to product

14.30 + .57 = 14.87

8 0

3 years ago

How do i find the slope

Elodia [21]

Hi, I'm happy to help!

To find the slope, you need to use the slope formula, where m is the slope:

m= $\frac{y_{2}-y_{1 } }{x_{2} -x_{1} }$

Slope means rise over run, or how much the line rises per the amount the line moves forward. This equation shows the movement from the y points to show rise, over the difference in the x points to show run.

Now, to find the slope we insert our values, starting with our second y point:

m= $\frac{2-y_{1 } }{x_{2} -x_{1} }$

Now insert our first y point:

m= $\frac{2-4 }{x_{2} -x_{1} }$

Now we insert our second x point:

m= $\frac{2-4 }{-3 -x_{1} }$

And finally our first x point:

m= $\frac{2-4 }{-3 -3 }$

Now, we solve:

m= $\frac{-2 }{-6}$

So, our slope is -2/-6, to simplify it, we remove both negatives because they cancel each other out.

m= $\frac{2 }{6}$

Now, we simplify our fraction by dividing the top and bottom by 2:

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

So, our slope is 1/3. This means that for every 1 unit the line rises, it goes to the right 3 units. The y-intercept is where the line hits the y axis.

If the question is asking for slope intercept form for the equation, you use y=mx+b

y represents any y coordinate on your line, m represents your slope (1/3), x represents any x coordinate on your line, and b represents your y-intercept (3).

If you were to insert these values, you would get:

y= $\frac{1}{3}$ x+3

You use this to find what a y coordinate would be so you can draw your line.

For the next equation we do the same thing:

m= $\frac{y_{2}-y_{1 } }{x_{2} -x_{1} }$

Insert our values:

m= $\frac{4-1}{2-(-4)}$

Get rid of the double negative:

m= $\frac{4-1}{2+4}$

Solve:

m= $\frac{3}{6}$

Simplify:

m= $\frac{1}{2}$

Now that we know our slope, let's plug it in to our slope intercept form equation.

y= $\frac{1}{2}$ x+3

I hope this was helpful! Keep learning! :D

5 0

3 years ago