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3 years ago

13

George is given two circles, Circle O and circle X, as shown. If he wants to prove that the two circles are similar, what would

be the correct first step in his proof? Given: The radius of circle O is r, and the radius of circle X is r'. Prove: Circle O is similar to circle X.

1 answer:

baherus [9]3 years ago

4 0

Answer:

Circle O is similar to Circle X because they have the same radius

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Which expression is equivalent to (27.3-5.9)4?

makkiz [27]

Answer:

109.2-23.6 = 85.6

Step-by-step explanation:

use bodmas

B=bracket

O=of or multiplication

D=division

M=multiplication

A=addition

S=subtraction

so when you are opening a bracket you multipli the number in the bracket with the one outside the bracket

I.E

4×27.3=109.3

4×5.9=23.6

109-23.6=85.6

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Veronika [31]

Answer:b

Step-by-step explanation:

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3 years ago

Simplify completely quantity 2 x squared plus 13 x plus 20 all over x squared minus 5 x minus 36 .

adoni [48]

Answer:

(2x + 5)/(x - 9)
3. quantity 2 x plus 5 over x minus 9

Step-by-step explanation:

Quantity 2 x squared plus 13 x plus 20 all over x squared minus 5 x minus 36

(2x² + 13x + 20)/(x² -5x - 36) =
(2x²+ 5x + 8x + 20)/(x² - 9x + 4x -36)=
(2x + 5)(x + 4)/(x - 9)(x + 4) =
(2x + 5)/(x - 9)

Correct option is option 3

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3 years ago

The expression on the left side of an equation is shown below.

Katyanochek1 [597]

Answer:its c i think

Step-by-step explanation:

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3 years ago

A right triangle's height is 3 times the length of its base. if the area of the triangle is 486, what is the height?

Irina-Kira [14]

The formula of the area of a triangle:
$A_\Delta=\dfrac{bh}{2}$
b - the bash - the height
We have:
b - the base3b - the height486 - the area

Substitute:
$\dfrac{3b\cdot b}{2}=486\ \ \ |\cdot2\\\\3b^2=972\ \ \ |:3\\\\b^2=324\to b=\sqrt{324}\\\\b=16\to h=3b=3\cdot18=54$
Answer: The length of the height is equal 54 units.

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3 years ago