3 years ago

First-person to answer correctly with an explanation get Brainliest

Mathematics

1 answer:

katovenus [111]3 years ago

3 0

If u can find it i can’t sorry lol

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What is the slope of a line that passes through the points (2,5) and (4,9)

ahrayia [7]

Answer:

Step-by-step explanation:

slope = difference of y/ difference of x

m = (9-5) / (4-2) = 4/2 = 2

8 0

3 years ago

Convert the general form of the circle given into standard form.

Semmy [17]

$The\ standard\ form\ of\ the\ circle:\\\\(x-a)^2+(y-b)^2=r^2\\\\where\\(a;\ b)\ are\ the\ coordinates\ of\ a\ center\ of\ the\ circle\\r\ is\ a\ radius\ of\ the\ circle\\------------------------$

$2x^2+2y^2-20x-8y+50=0\ \ \ \ |divide\ both\ sides\ by\ 2\\\\x^2+y^2-10x-4y+25=0\\\\x^2-10x+y^2-4y=-25\\\\x^2-2x\cdot5+y^2-2y\cdot2=-25\\\\\underbrace{x^2-2x\cdot5+5^2}_{(*)}-5^2+\underbrace{y^2-2y\cdot2+2^2}_{(*)}-2^2=-25\\(x-5)^2-25+(y-2)^2-4=-25\\\\(x-5)^2+(y-2)^2-29=-25\\\\(x-5)^2+(y-2)^2=-25+29$

$\boxed{(x-5)^2+(y-2)^2=4}\\\\the\ center:(5;\ 2)\\the\ radius:r=\sqrt4=2$

$(*)\ (a-b)^2=a^2-2ab+b^2$

8 0

4 years ago

Read 2 more answers

A local clothing store marked down every item in the store by 30%. What would be the sale price of an item that was selling for

Elanso [62]

The answer is $13.96 because the markdown would’ve taken 5.99 off of the price

3 0

3 years ago

Can i know how to solve all these questions? thank you

FrozenT [24]

The answer to the first is a^2

0.0277777778 but for a power idk