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3 years ago

PLZ ANSWER!!! IF YOU ANSWER U GET 20 POINTS Find |-65|. 0 65 -65

Mathematics

2 answers:

alex41 [277]3 years ago

4 0

65 is correct. Hope
It helps you

iogann1982 [59]3 years ago

3 0

65 Bc absolute value of negative is positive

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A building across the street casts a shadow that is 24 feet long. your friend is 6 feet tall and casts a shadow that is 4 feet l

julsineya [31]

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3 years ago

Find the postive value of x when y = 25

tiny-mole [99]

2/5 , i dont have an explanation but maybe try that! I just did the math on paper

7 0

3 years ago

Read 2 more answers

25 POINTS AVAILABLE

myrzilka [38]

Answer:

$\large\boxed{1.\ (-3, 0),\ r = 3}\\\boxed{2.\ (x+4)^2+(y-3)^2=36}\\\boxed{3.\ (x-2)^2+(y-1)^2=(\sqrt{34})^2}$

Step-by-step explanation:

The equation of a circle in standard form:

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

(h, k) - center

r - radius

1. We have the equation:

$(x+3)^2+y^2=9\\\\(x-(-3))^2+(y-0)^2=3^2$

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2. We have the center (-4, 3) and the radius r = 6. Substitute:

$(x-(-4))^2+(y-3)^2=6^2\\\\(x+4)^2+(y-3)^2=36$

3. We have the endpoints of the diameter: (-1, 6) and (5, -4).

Midpoint of 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:

$h=\dfrac{-1+5}{2}=\dfrac{4}{2}=2\\\\k=\dfrac{6+(-4)}{2}=\dfrac{2}{2}=1$

The center is in (2, 1).

The radius length is equal to the distance between the center of the circle and the endpoint of the diameter.

The formula of a distance between two points:

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

Substitute the coordinates of the points (2, 1) and (5, -4):

$r=\sqrt{(5-2)^2+(-4-1)^2}=\sqrt{3^2+(-5)^2}=\sqrt{9+25}=\sqrt{34}$

Finally we have:

$(x-2)^2+(y-1)^2=(\sqrt{34})^2$

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3 years ago

What is the graph of the function f(x) = x+2/x-3?

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X2+2-3x=x hope tht helps

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An oil tank has to be drained for maintenance. The tank is shaped like a cylinder that is

Dmitry_Shevchenko [17]

Fidn volume
V=hpir^2
d/2=r
1.4/2=0.7=r
height=3.5
V=3.5*3.14*0.7^2
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1.5 times t=5.3851
divide both sides by 1.5
t=3.59
round
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4 minutes

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3 years ago