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3 years ago

What is the slope of 5x - 6y = 13

1 answer:

8 0

Let’s change the equation into
y=mx+b

5x-6y=13 Subtract 5x on both sides
-6y=-5x+13 Then divide by -6 on both sides
Y=5/6x-13/6

m will be your slope
so:
Slope=5/6

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How many kilometers?

Anettt [7]

Answer:

7.12 kilometers

Step-by-step explanation:

Add the amounts of kilometers to find the total :

3.8 kilometers + 3.32 kilometers = 7.12 kilometers

8 0

3 years ago

Find the midpoint of the segment with the following endpoints. (-3,8) and (-8, 2)

Marrrta [24]

Answer:

Coordinates of the midpoint are (-5.5, 5)

5 0

3 years ago

The solutions to (x + 3)^2- 4=0 are x = -1 and x = -5 True or false

Neko [114]

Answer:

THE ANSWER WOULD BE TRUE MY FRIEND

6 0

2 years ago

What is the sum of 20x^2-10x-30

ivann1987 [24]

Answer:

The sum of the roots is 0.5

Step-by-step explanation:

The correct question is

What is the sum of the roots of 20x^2-10x-30

we know that

In a quadratic equation of the form

$ax^{2} +bx+c=0$

The sum of the roots is equal to

$-\frac{b} {a}$

in this problem we have

$20x^{2} -10x-30=0$

$a=20\\b=-10\\c=-30$

substitute

$-\frac{(-10)} {20}=0.5$

Verify

Find the roots of the quadratic equation

The formula to solve a quadratic equation is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

$a=20\\b=-10\\c=-30$

substitute

$x=\frac{-(-10)\pm\sqrt{-10^{2}-4(20)(-30)}} {2(20)}$

$x=\frac{10\pm\sqrt{2,500}} {40}$

$x=\frac{10\pm50} {40}$

$x=\frac{10+50} {40}=1.5$

$x=\frac{10-50} {40}=-1$

The roots are x=-1 and x=1.5

The sum of the roots are

$-1+1.5=0.5$ ----> is ok

5 0

3 years ago

Calculate the area of the irregular polygon shown below:

MAXImum [283]

That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
≈ 50inches²

hope this helps
make it the brainliest if it's correct....

5 0

3 years ago