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IrinaK [193]
3 years ago
10

The area of a circle is 78.5 cm2.what is th3 diameter of the circle

Mathematics
1 answer:
dem82 [27]3 years ago
3 0
50 centimeters is the answer. Hope this helps.
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Montano1993 [528]
BEHJEJEBEHRUUE what is this eheujrf
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3 years ago
x,y, and z to the nearest tenth .(hint: use altitude and leg rules) PLEASE HELP FAST !!! please solve and show steps
madreJ [45]

Use the Pythagorean theorem to find z:

z = √(6^2 + 9^2)

z= √(36 + 81)

z = √117

z = 3√13 = 10.8

Use leg rule to find x:

x/6 = 6/9

Cross multiply:

9x = 36

Divide both sides by 9:

x = 36/9

x = 4

Use Pythagorean theorem to find y:

y = √(6^2 + 4^2)

y= √(36 + 16)

y = √52

y = 2√13 = 7.2

7 0
3 years ago
I would love if someone would help me
mart [117]
I’m hoping this helps (but hopefully now you can give the brainliest to the person above)
I’m not very familiar with the square roots method but I believe you try and isolate the term that is squared.

4 0
3 years ago
Pleaaasee please helllpppp
Nikitich [7]

Answer:

iodine gold mercury

Step-by-step explanation:

3 0
2 years ago
Which property is shown in the problem below?
Studentka2010 [4]

Answer:

Step-by-step explanation:

-8 (x - 3y - 9) = distribute the -8 through the parenthesis

-8(x) - 8(-3y) - 8(-9) =

-8x + 24y + 72

this is the distributive property....u are distributing the -8 through the parenthesis...what that means is ur multiplying -8 by everything in the parenthesis....you do this to remove the parenthesis

7 0
2 years ago
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