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tia_tia [17]
2 years ago
14

Plssss helpppppppppp

Mathematics
1 answer:
ycow [4]2 years ago
8 0

Answer:

D? i think im really sorry if wrong

Step-by-step explanation:

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A circle mirror has a diameter of 12 inches.<br> What is the area,in square inches, of the mirror?
12345 [234]
Area of circle= pi times radius^2

diameter=2 times radius
radius=diameter/2
diameter=12
radius=12/2
radius=6

pi times r&+^2
pi times 6^2
pi times 36
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113.04 in^2
5 0
3 years ago
Find the roots.<br><br> 2x^2 + 4x - 5 =0
xz_007 [3.2K]

Answer:

-1\pm\dfrac{\sqrt{14}}{2}

Step-by-step explanation:

2x^2+4x-5=0

Using the quadratic formula:

x=\dfrac{-4\pm \sqrt{16+40}}{4}=-1\pm\dfrac{\sqrt{14}}{2}

Hope this helps!

8 0
3 years ago
What is the theoretical probability of the event that a family with two children has one boy and one girl? Make a tree diagram t
djyliett [7]
I can't make a tree diagram via computer but when I get home I can get to my phone and send you a pic of one but their's a total of 4 outcomes that's just one of the possibilities out of those 4 so it would be A) YW :D
4 0
3 years ago
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Please help me on that question for my Algebra. I don't understand it.
tigry1 [53]
13 quarters = 13 *0.25 = 3.25

3.60 - 3.25 = 0.35

0.35 = 0.25 +0.10

he has 1 dime and 14 quarters

Answer is B
5 0
2 years ago
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How do you solve this?
Sholpan [36]

40% of 60 is 24


To convert from percent to decimal, divide the percent without the percent symbol by  100.

so, 40% = 40/100 = 0.4

40% 60 is just 0.4*60 = 24

6 0
2 years ago
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