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max2010maxim [7]
4 years ago
15

Common Core Algebra 1 - MAZINS ATC

Mathematics
1 answer:
katen-ka-za [31]4 years ago
4 0
200=x-4 original equation
204=x addition property of equality (add 4 on both sides)
x=204 symmetric property
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Bob makes 4% commission on his sales as a real estate agent. If Bob sells a house for $249,000, how much money does he get to ke
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He gets to keep $9,960 of the sale
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3 years ago
At a rate of 4 gallons per minute how long will it take to fill a 300 gallon swimming pool
Ivanshal [37]

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1 hour and 50 minutes will take to fill up a 300 gallon swimming pool explanation just do the quation/math

     

7 0
3 years ago
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If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle? A) (x
Andrei [34K]

Answer:

\large\boxed{A.\ (x+6)^2+(y+10)^2=20}

Step-by-step explanation:

The standard form of an equation of a circle:

(x-h)^2+(y-k)^2=r^2

(h, k) - center

r - radius

We have the endpoints of the diameter of a circle (-8, -6) and (-4, -14).

The midpoint of a diameter is a center of a circle.

The formula of a midpoint:

\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

Substitute:

x=\dfrac{-8+(-4)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{-6+(-14)}{2}=\dfrac{-20}{2}=-10

We have h = -6 and k = -10.

The radius is the distance between a center and the point on a circumference of a circle.

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute (-6, -10) and (-8, -6):

r=\sqrt{(-8-(-6))^2+(-6-(-10))^2}=\sqrt{(-2)^2+4^2}=\sqrt{4+16}=\sqrt{20}

Finally we have

(x-(-6))^2+(y-(-10))^2=(\sqrt{20})^2\\\\(x+6)^2+(y+10)^2=20

5 0
3 years ago
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Find the square root of 156.25 by division method
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Hello,

I don't know the divison method but is it these one?

156.25= 625/4=(25/2)²

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3 years ago
Which expression represents the area of the base of the cone?
zaharov [31]

Answer:

A. (pi)(3 squared)

Step-by-step explanation:

edge

4 0
3 years ago
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