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rjkz [21]
3 years ago
12

Does someone have the answer key to this worksheet??

Mathematics
2 answers:
amm18123 years ago
5 0

Answer:

No I dont but if I did I would be a great help

Maru [420]3 years ago
5 0

Answer:

i dont

Step-by-step explanation:

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Why is this undefined
Burka [1]
Because you can’t divide something by zero!
Hope this helps!
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3 years ago
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Learning the basics 6.23 suppose you select one value from a uniform distribution with a=0and b=10.what is the probability that
IgorC [24]
The area under the graph of the continuous uniform distribution is 1.
a. The probability that the value will be between 5 and 7 is the area between 5 and 7.
P(5 \ \textless \  x \ \textless \  7) = \frac{2}{10} = \frac{1}{5}
b. The probability that the value will be between 2 and 3 is the are between 2 and 3.
P(2 \ \textless \  x \ \textless \  3)=\frac{1}{10} 
c. The mean is given by:
\mu=\frac{a+b}{2}=\frac{0+10}{2}=5
d. The variance is given by:
\sigma^2}=\frac{1}{12}(b-a)^{2}=\frac{1}{12}(10)^{2}=8.3333
The standard deviation is:
\sqrt{\sigma} = \sqrt{8.3333} =2.887


5 0
3 years ago
Please factor and find the zeros of each relation (18 marks)
AlekseyPX

Answer:

C. \ \frac{-2}{3} , \ \frac{-4}{5}\\\\D. \ -2, \ -4

Step-by-step explanation:

C.

30x^2 + 44x +16 = 0\\\\2(15x^2 + 22 + 8) = 0\\\\2(15x^2 + 12x + 10x + 8) = 0\\\\2(3x(5x + 4)+2(5x + 4))=0\\\\2((3x + 2)(5x + 4)) = 0\\\\Zeroes : 3x + 2 = 0 => x = \frac{-2}{3}\\

             5x+ 4 = 0 => x = \frac{-4}{5}

D.

10x^2 + 60x +80 = 0\\\\10(x^2 + 6x + 8)= 0\\\\10(x^2 + 4x + 2x + 8)=0\\\\10(x(x+4)+2(x+4))=0\\\\10((x+2)(x+4))=0\\\\Zeroes : x + 2 = 0 =>x = -2

            x + 4 = 0 => x= -4

3 0
3 years ago
Stephanie can jump rope 12o turns in 3 minutes. How many turns does she make in 1 minute
ANEK [815]
She would be able to make 40 in one minute.

To find this, you just divide 120/3 to find how many in one minute.
8 0
3 years ago
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Use trigonometry to work out the height, v,
IrinaVladis [17]

Answer: 8.2 mm

Step-by-step explanation:

\sin 60^{\circ}=\frac{v}{9.5}\\\\v=9.5 \sin 60^{\circ} \approx \boxed{8.2 \text{ mm}}

7 0
2 years ago
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