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3 years ago

Can anyone please help? 100 Points

Mathematics

2 answers:

ira [324]3 years ago

8 0

Answer: scammer

Step-by-step explanation:

raketka [301]3 years ago

5 0

Answer:

SCAMMERRRRRRRRR

Step-by-step explanation:

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Lee washes the outsides of houses. It takes him 40 minutes to power wash a one-story home, and he uses 180 gallons of water. Pow

Grace [21]

Answer:

Step-by-step explanation:

TOOK THE TEST

6 0

3 years ago

Center (8,9) and radius r=10

LekaFEV [45]

Answer:

A. Standard form: $(x-8)^2+(y-9)^2=100$

B. General form: $x^2+y^2-16x-18y+45=0$

Step-by-step explanation:

We have been given that center of a circle is at point (8,9) and radius of our circle is 10 units. We are asked to write the equation of our circle.

A. Since we know that the equation of a circle in standard form is: $(x-h)^2+(y-k)^2=r^2$ , where,

(x,y) = Any point on circle,

(h,k) = Center of the circle,

r = Radius of the circle.

Upon substituting our given values in standard form of circle's equation we will get,

$(x-8)^2+(y-9)^2=10^2$

$(x-8)^2+(y-9)^2=100$

Therefore, the equation of our given circle in standard form will be $(x-8)^2+(y-9)^2=100$ .

B. Since we know that equation of a circle in general form is: $x^2+y^2+Ax+By+C=0$ , where, A, B and C are constants.

Upon expanding our standard form of equation we will get,

$x^2-16x+64+y^2-18y+81=100$

$x^2-16x+64+y^2-18y+81-100=100-100$

$x^2-16x+y^2-18y+64+81-100=0$

$x^2-16x+y^2-18y+45=0$

$x^2+y^2-16x-18y+45=0$

Therefore, the equation of our given circle in general form will be $x^2+y^2-16x-18y+45=0$ .

7 0

3 years ago

Help..... pls........

Serga [27]

Answer:

2/9 is the probability.

Step-by-step explanation:

Hope's this helps.

7 0

3 years ago

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In an after school program, students must choose to either play on the playground or read a book silently. On one cloudy day, 70

katrin2010 [14]

Neither of them would be in it

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3 years ago

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which expression is equivalent to 18 * 12 A) 12 * 18) B) 10*8*12) C) (10+8) * (10+12). Please hurry

pickupchik [31]

Answer:

12*18

Step-by-step explanation:

18*12 is the same as 12*18 and they both equal 216

8 0

3 years ago