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Genrish500 [490]
2 years ago
10

How do I find how many square inches a circle has?

Mathematics
2 answers:
aleksklad [387]2 years ago
4 0
Pi times the radius squared
ella [17]2 years ago
3 0
Pi * r^2

pi times the radius (r) squared
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Add.<br> -1 + 2 = 1<br> - 6 + (-5)
Masteriza [31]

Answer:

-6 + -5 = -11

Step-by-step explanation:

8 0
2 years ago
What is the x coordinate of the intersection of y=4x-10 and y=(x-2) to the power of 2 +2
aleksley [76]

Answer:

  4

Step-by-step explanation:

Equating the y-values gives an equation in x.

  4x -10 = (x -2)^2 +2

  0 = x^2 -4x +4 +2 -4x +10 . . . . . . . . eliminate parentheses, subtract 4x-10

  x^2 -8x +16 = 0

  (x -4)^2 = 0

  x = 4

The x-coordinate of the one point of intersection is x = 4.

6 0
3 years ago
a bag contains 5 red skittles, 3 purple skittles, and 2 orange skittles.A skittle is removed and not replaced, then another skit
dybincka [34]
The probability of two independant events P_a and P_b can be found by multiplying the individual probabilities like so:
P_t=P_{a}*P_b

For each individual probability we can find the answer via a simplfied representation: 
P_x = \frac{wanted}{total}

For the first skittle (red) we have:
P_{red} = \frac{red}{total}=\frac{5}{10}=0.5

For the second skittle (orange) we have:
P_{orange} = \frac{2}{9} = 0.2222...
**(Notice that the total is now NINE since we didn't put the first red one back in the bag.)

So:
P_{total} = P_{red} \times P_{orange}
P_{total} = \frac{5}{10} \times \frac{2}{9}
P_{total} = \frac{10}{90}=\frac{1}{9} \approx 0.1111 \approx 11.11\%
7 0
3 years ago
1300 people attended a football game. If 4% of the people who attended were teenagers, how many teenagers attended the game?
aliya0001 [1]

Answer:

14 teenagers attended the game.

Step-by-step explanation:

6 0
2 years ago
Factorise -x-5 please thanks xx
Elena L [17]

Answer:

- x - 5 = -(x + 5) = (-1)×(x + 5)

8 0
3 years ago
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