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3 years ago

Find the slope of the line that passes through (2,2) and (-4,10)

Mathematics

1 answer:

Semmy [17]3 years ago

5 0

Answer:

8/-6 or 4/-3 (either will work, their both the same)

Step-by-step explanation:

Use the formula y2-y1/x2-x1 (For example with this problem, 10-2/-4-2)

Solve it and simplify if you want or it it's needed.

You should get 8/-6 or simplified, 4/-3

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Find an equation of the circle that satisfies the given conditions. Endpoints of a diameter are P(−2, 1) and Q(8, 9)

IrinaK [193]

Answer:

Equation of the circle (x-3)²+(y-5)²=(6.4)²

x² -6x +9 +y² -10y +25 = 40.96

Step-by-step explanation:

Step(i):-

Given endpoints of diameter P(−2, 1) and Q(8, 9)

Centre of circle = midpoint of diameter

Centre = $(\frac{-2+8}{2} ,\frac{1+9}{2} )$

Centre (h, k) = (3 , 5)

Step(ii):-

The distance of two end points

PQ = $\sqrt{(x_{2}-x_{1} )^{2} +(y_{2} -y_{1} )^{2} }$

$PQ= \sqrt{(8+2 )^{2} +(8 )^{2} }$

PQ = √164 = 12.8

Diameter d = 2r

radius r = d/2

Radius r = 6.4

Final answer:-

Equation of the circle

(x-h)²+(y-k)² = r²

(x-3)²+(y-5)²=(6.4)²

x² -6x +9 +y² -10y +25 = 40.96

x² -6x +y² -10y = 40.96-34

x² -6x +y² -10y -7= 0

4 0

3 years ago

ASAP PLS....I need this for tomorrow:(

Artist 52 [7]

Answer:

your answer is 2x2y

Step-by-step explanation:

that's it

7 0

2 years ago

A bag of potato chips is packaged at sea level (1.00 atm) and has

serg [7]

Answer:

406 ml

Step-by-step explanation:

P1V1 = P2V2

(1) (.315) = (.775)(V2)

V2 = .406

3 0

1 year ago

Simplify 8(xy + 8) + 1.

kobusy [5.1K]

Look at the picture.

I hope this helps!

5 0

2 years ago

Read 2 more answers

How many millimeters are in 9.8 hL

luda_lava [24]

Answer:

980,000 hl

Step-by-step explanation:

There are 980,000 milliliters in 9.8 hectoliters.

5 0

3 years ago