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3 years ago

???????????????????????????

Mathematics

1 answer:

FinnZ [79.3K]3 years ago

7 0

Answer:

y-(-20)=1(x-(-10))

Step-by-step explanation:

If you're really in college you should know this, but here's the explanation:

m= -9-(-20)

1-(-10)

= 11

m = 1

The equation is y-y^1=m(x-x^1)

Replace the y^1, m, and x^1 from the first point

You get y-(-20)=1(x-(-10))

Or simplify that into y+20=x+10

You can also simplify it more but I don't think you need that for that question

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Please help answer question 1

lara [203]

Answer:

One Solution ; x=4.5

y=-1.5

Step-by-step explanation:

Line A: 2x+2y=8

÷2

x+y=4

Line B: x+y=3 -----> y=x-3

x+(x-3)=4

2x-3=4

2x=7

x=4.5

y=-1.5

6 0

4 years ago

Find the greatest common factor of 8,10, 26

DiKsa [7]

Wouldn't it be 2 since it goes into all them equally.

4 0

4 years ago

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Which is the correct form of the quadratic formula? A) x = b ± b2 - 4ac a B) x = b ± b2 - 4ac 2a C) x = - b ± b2 - 4ac a D) x =

DochEvi [55]

That's pretty ill-formatted but the answer is D

$ax^2 + bx + c = 0$

has roots given by

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

Bonus quadratic formulas:

The Shakespeare Quadratic Formulas ( $2b$ or $-2b$ ) are:

$x^2 - 2bx + c \textrm{ has zeros at }x=b \pm \sqrt{b^2-c}$

$ax^2 - 2bx + c \textrm{ has zeros at }x=\frac 1 a( b \pm \sqrt{b^2-ac})$

4 0

4 years ago

Help please!

ss7ja [257]

Answer:

What

Step-by-step explanation:

4 0

3 years ago

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Pls help if good at math

bearhunter [10]

Answer:

Step-by-step explanation:

All odd prime numbers up to 16:

3, 5, 7, 11, 13

All multiples of four up to 16:

4, 8, 12, 16

All of those in a list:

3, 4, 5, 7, 8, 11, 12, 13, 16

There are 9 things on that list. The probability is equal to:

$\frac{9}{16}=c) 0.563$

Please mark brainliest. Have a nice day!

8 0

3 years ago