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2 years ago

PLEASE HEEEEEELP

Mathematics

1 answer:

kirill [66]2 years ago

5 0

Subtract b from a, you get x=2 and then plug that in to get y=2. So it is (2,2)

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How are all angles in the 4th quadrant, negative or positive?

anastassius [24]

Answer:

They are all positive because you must go right.

They are all negative because you must go down.

Step-by-step explanation:

Example. (1,-4)

You go over one.

Down 4

5 0

3 years ago

Can someone do this for me ahhhh

Aleksandr [31]

28:13 is the answer i’m pretty for sure

4 0

3 years ago

What are the solutions to the quadratic equation below x^2+20x+100=7

aleksandrvk [35]

First you must have the quadratic equal to zero. In order to do this you must subtract 7 to both sides

x^2 + 20x + (100 - 7) = 7 - 7

x^2 + 20x + 93 = 0

Now you must find two numbers who's sum equals 20 and their multiplication equal 93

Are there any? NO!

This means that you have to use the formula:

$\frac{-b±\sqrt{b^{2} - 4ac} }{2a}$

In this case:

a = 1

b = 20

c = 93

$\frac{-(20) plus/minus\sqrt{20^{2} - 4(1)(93)} }{2*1}$

$\frac{-20 plus/minus\sqrt{400 - 372} }{2}$

$\frac{-20 plus/minus\sqrt{28} }{2}$

^^^We must simplify √28

√28 = 2√7

so...

$\frac{-20 plus/minus 2\sqrt{7} }{2}$

simplify further:

$-10 plus/minus\sqrt{7$

-10 + √7

-10 - √7

***plus/minus = ±

Hope this helped!

~Just a girl in love with Shawn Mendes

7 0

2 years ago

Need answers ASAP I got less than 20 mins thx

kotegsom [21]

Answer: PQ = 18

Step-by-step explanation:

You would divide 21/14 to see what the size difference in the triangles is to get 1.5. 1.5x12=18

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3 years ago

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In the equation b=25+8. what is the next step in the equation soving sequence?

DedPeter [7]

The next step in the equation is the quotient

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3 years ago

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