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beks73 [17]
3 years ago
15

Please answer this correctly

Mathematics
1 answer:
BabaBlast [244]3 years ago
8 0

Answer:

19.63

Step-by-step explanation:

If the radius is 5 centimeters, then the area is just 3.14*5^2 / 4, which is 78.5/4. This is equal to 19.625. Rounding this give us 19.63 as the final answer

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3 years ago
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8 0
3 years ago
Explain whether or not the plant labeled p(x)=x2+x+3 has any rational or irrational roots.
olasank [31]

frational roots are those numbers that can be written in form \frac{a}{b} where a and b are integers (integers are like -5,-4,-3,-2,-1,0,1,2,3,4, etc)

some examples are 1=1/1, 2=2/2, -4=-4/1, 4/3, 0.111111111111=1/9, etc

irrational numbers are numbers that can't be written that way like pi

numbers that involve √-1 or a square root of any negative number are called complex numbers and are neither rational nor irrational.


roots are the values of x that makes the function equal to 0


p(x)=x^2+x+3

set equal to 0

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I can't factor so use quadratic formula

for 0=ax^2+bx+c

x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}

so

x=\frac{-1 \pm \sqrt{1^2-4(1)(3)}}{2(1)}

x=\frac{-1 \pm \sqrt{-11}}{2}

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5 0
3 years ago
In a randomly generated list of numbers from 0 to 4, the chances that each number can occur is 1/5
Virty [35]
False it could only occur 1/4 since there is only 4 colors
6 0
3 years ago
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Yuki888 [10]
<span>n = fraction 5 over 3

Explanation;
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3n-4=1
3n=5
n=</span>\frac{5}{3}
4 0
4 years ago
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