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Aleksandr [31]
3 years ago
15

Solve for x, 5-x/3=-15

Mathematics
1 answer:
tatuchka [14]3 years ago
8 0

The answer is x=50

Hope this help!

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What is 3/4(x2+4x+6)=13x-2
maxonik [38]

Answer:

x_1=12.65\\\\x_2=0.685

Step-by-step explanation:

\frac{3}{4}(x^2+4x+6)=(13x-2)\\\\Multiply\ both\ sides\ by\ 4.\\\\3(x^2+4x+6)=4(13x-2)\\\\3x^2+12x+18=52x-8\\\\3x^2+12x+18-(52x-8)=0\\\\3x^2+12x-52x+18+8=0\\\\3x^2-40x+26=0

Roots of Polynomial:

Roots\ are\ polynomial\ ax^2+bx+c=0\\\\x=\frac{-b\pm \sqrt{(b^2-4ac)}}{2a}

Here\ a=3,\ b-40,\ c=26\\\\x=\frac{-(-40)\pm \sqrt{(-40)^2-4\times 3\times 26}}{2\times 3}\\\\x=\frac{40\pm\sqrt{1288}}{6}\\\\x_1=\frac{40+\sqrt{1288}}{6}\approx 12.65\\\\x_2=\frac{40-\sqrt{1288}}{6}\approx 0.685

6 0
3 years ago
Find the missing length
shutvik [7]
The small triangle and big triangle are similar - this means they have the same angles. So, if you know the ratio of a side of the big triangle (12) to a side of the small triangle inside it (4), you know the ratio of the other sides. In this case, the side ratio (small to big triangle) is 1/3. Thus, the missing side length is 18/3=6.
Brainliest? ;D
7 0
4 years ago
Please Help! I will give you the brainiest and a lot of points!
lozanna [386]
Ok so I am gonna help you with this question I hope it helps you okay!
7 0
3 years ago
(4y + 3)<br> (5x - 7)<br> (3x + 17°<br> X= ,y= ,
Kryger [21]

Answer:

Simplifying

4y + 3 = 5x + -7 + 3x + 17

Reorder the terms:

3 + 4y = 5x + -7 + 3x + 17

Reorder the terms:

3 + 4y = -7 + 17 + 5x + 3x

Combine like terms: -7 + 17 = 10

3 + 4y = 10 + 5x + 3x

Combine like terms: 5x + 3x = 8x

3 + 4y = 10 + 8x

Solving

3 + 4y = 10 + 8x

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-3' to each side of the equation.

3 + -3 + 4y = 10 + -3 + 8x

Combine like terms: 3 + -3 = 0

0 + 4y = 10 + -3 + 8x

4y = 10 + -3 + 8x

Combine like terms: 10 + -3 = 7

4y = 7 + 8x

Divide each side by '4'.

y = 1.75 + 2x

Simplifying

y = 1.75 + 2x

<h2>i hope that helps </h2>

4 0
3 years ago
30<br> 45<br> 60<br> Which is it? <br> Help please
blagie [28]

Answer:

D = 90°

Step-by-step explanation:

the square on the angle means its a right angle and right angle is always 90°

3 0
3 years ago
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