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Snowcat [4.5K]
2 years ago
5

Solve for x 2(4x - 3)-8=4+2x Thanks!

Mathematics
2 answers:
eduard2 years ago
5 0

Answer:  3

Step-by-step explanation:

first substitute 2 into 4, so its 2*4 = 8x


Second, substitute 2 into -3 so itś 2*-3= -6

So, so far we're at 8x-6-8+4+2x, we combine the integers (which is -6 & -8, and we get -14)

So far, we are now at 8x-14=4+2x.

Now we add 14, to cancel out -14.

Then, we add 14 to 4, making 18.

Then, we subtract -2 to cancel out 2x.

Then, we subtract 2x to 8x, Making 6x

Now, final step :)

We divide 6x=18

which is 18 divided by 6

which is 3 :)

You got this, you're doing great!

Effectus [21]2 years ago
3 0

Answer:

x=3

Step-by-step explanation:

plz mark brainliest

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Find the length of the leg of the right triangle leave your answer in simplest radical form
erastova [34]

Answer:

a =12*sqrt(2)

Step-by-step explanation:

3.  The Pythagorean theorem states

a^2 + b^2 = c^2  where a  and b are the legs and c is the hypotenuse

a^2 +21^2 = 27^2

a^2 +441 =729

Subtract 441 from each side

a^2 +441-441 = 729 -441

a^2 =288

Take the square root of each side

sqrt(a^2) = sqrt(288)

sqrt(xy) = sqrt(x)sqrt(y)

a = sqrt(144)sqrt(2)

a =12*sqrt(2)

7 0
2 years ago
MATH PLEASE HELP TwT
kaheart [24]

Answer:

The first and the third answer!

Step-by-step explanation:

The slope is NOT -6, it is -3/2 !!

The y intercept is 0

and the last one isn't right bc the slope and intercept is wrong!!!

I hope this helps, tho!! Have an awesome day :D

7 0
3 years ago
(3,4) and (12,19) find the equation of the line that passes through it
harina [27]

Answer:

The equation of the line will be:

y=\frac{5}{3}x-1

Step-by-step explanation:

Given the points

  • (3, 4)
  • (12, 9)

Finding the slope between (3, 4) and (12, 9)

\left(x_1,\:y_1\right)=\left(3,\:4\right),\:\left(x_2,\:y_2\right)=\left(12,\:19\right)

\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

m=\frac{19-4}{12-3}

m=\frac{5}{3}

The equation of the line can be obtained using the point-slope form of the equation of the line

y-y_1=m\left(x-x_1\right)

substituting the values m = 5/9 and the point (3, 4)

y-4=\frac{5}{3}\left(x-3\right)

y-4+4=\frac{5}{3}\left(x-3\right)+4

y=\frac{5}{3}x-1

Therefore, the equation of the line will be:

y=\frac{5}{3}x-1

5 0
3 years ago
Can anyone help???
svp [43]

Answer:

-8x+21

Step-by-step explanation:

Use the distributive property.

8 0
2 years ago
John's car gets 25.3 miles per gallon. How many<br> miles can he drive on 11.7 gallons of gas?
bekas [8.4K]

Answer:

Multiply 25.3 by 11.7, to get the answer of 296.01

8 0
2 years ago
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