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2 years ago

11

Use the given conditions to to write the equation for the line in point-slope form and general form. passing through(9, -7) and

perpendicular to the line whose equation is x - 6 y - 7 = 0

1 answer:

ozzi2 years ago

6 0

Look for the calculator for algebra online

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Solve 3x+2y=4 4x+3y=7 algebraically

Leona [35]

Step 1. Multiply first equation with -3 and the second one with 2. You'll get:
$\left \{ {{-9x-6y=-12} \atop {8x+6y=14}} \right.$

Step 2. Add both equations together. You'll get:
$-x=2$ , which gives x = -2

Step 3. Replace x = -2 in the first equation and calculate y.
$3(-2)+2y=4\\
y=\frac{4+6}{2}=5$

The solution is: x=-2, y=5

8 0

3 years ago

Use the following area model to multiply 29x97

alexandr402 [8]

The answer to 29×97 would be 2813

6 0

2 years ago

What is the area of this trapezoid?

Vitek1552 [10]

Answer:

400cm^2

Step-by-step explanation

equation: a+b/2 x h

19+25/2 x 20

44/2 x 20

22 x 20

440 (don't forget unit) and to square because we are finding the area

8 0

3 years ago

Read 2 more answers

Find the value of x^2 + 1 divided by x^2 if x-1 divided by x =5

MrRa [10]

Answer:

x^2+1/x^2

(x+1/x)^2 = x^2+1/x^2 +2

(5)^2 = x^2+1/x^2 + 2

25 = x^2+1/x^2 + 2

25-2 = x^2+1/x^2

23 = x^2+1/x^2

Step-by-step explanation:

6 0

3 years ago

PLEASE HELP ME OUT...

katrin2010 [14]

Answer:

$area = 144\pi$

Step-by-step explanation:

$volume = \frac{4}{3} \pi {r}^{3} \\ \\ 288\pi = \frac{4}{3} \pi {r}^{3} \\ \\ 3(288\pi) = 4\pi {r}^{3} \\ \\ \frac{3(288\pi)}{4\pi} = {r}^{3} \\ \\ 216 = {r}^{3} \\ \\ r = \sqrt[3]{216} \\ r = 6$

$area = 4\pi {r}^{2} \\ area = 4\pi ({6}^{2}) \\ area = 144\pi$

7 0

3 years ago