.31 is what in a fraction
Answers
To convert 0.31 into a fraction, use the place value system, where 0.31 is represented as 31/100.
To convert this decimal into a fraction,
Express the value of each digit in terms of its place value.
The given decimal number is .31
Write down the number as the numerator of the fraction: 31
Determine the denominator of the fraction based on the number of decimal places.
In this case, we have two decimal places,
So the denominator will be 100
Then the fraction is
Simplify the fraction if possible.
In this case, the fraction 31/100 cannot be simplified further.
Hence, 0.31 as a fraction is .
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What does ( 7.8 x 10 to the 3rd) x (1.0 x 10 to the 4th) equal?
Put these in order of size, smallest first 0.1. 30% 1/5
Answers
y = m x + b and we need a standard form:
a x + b y = c
y = 1/8 x + 7 / * 8 ( we will multiply both sides of equation by 8 )
8 y = x + 56
- x + 8 y = 56 / * ( - 1 )
x - 8 y = - 56
The equation is y = 1/8x + 7
Standard form equation is Ax + By = C, where A > = 0.
First eliminate the fractions by multiplying the equation by 8
8y = x + 56
Subtract x from each side
-x + 8y = 56
SInce x coeficient can't be negative multiply the equation by negative one.
x - 8y = -56
Answers
we know that
A mixed number is a number consisting of a whole number and a proper fraction
so
we have
therefore
the answer is
The value of mixed number of number 8.21 is,
⇒ 8 (21 / 100)
We have to given that;
A number is,
⇒ 8.21
Now, We can simplify as;
⇒ 8.21
⇒ 8.21 × 100 / 100
⇒ 821 / 100
⇒ 8 21/100
Therefore, The value of mixed number of number 8.21 is,
⇒ 8 (21 / 100)
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Answers
Ix + 7I = -12/3
Ix + 7I = -4
x + 7 = -4 or -x - 7 = -4
x = -11 or -x = 3
x = - 3
x = -3 or -11
⇒ |x+7|= -12/(-3)
⇒ |x+7|= 4
⇒ x+7= 4 or x+7= -4
⇒ x= 4-7 or x= -4 -7
⇒ x= -3 or x= -11
Final answer: x= -3 or x= -11~
Answers
we know that each bicycle/tricycle is in it's own box.
i'm going to use the variable "b" for bicycle and "t" for tricycle
b + t = 16
(because b is the amount of bicycles and t is the amount of tricycles)
now we know that there are 45 wheels total.
there are 2 wheels for a bicycle and 3 wheels for a tricycle
2b + 3t = 45
now we have a system of equations
b + t = 16
2b + 3t = 45
You can solve this multiple ways, but I'm going to use substitution.
b + t = 16 can also be written as b = 16 - t (if you subtract both sides by t)
then we can substitute this b = 16 - t into the other equations
2(16 - t) + 3t = 45
32 - 2t + 3t = 45
32 + t = 45
t = 13
now you can plug that back into the original equations
b + 13 = 16
b = 3
2b + 3(13) = 45
2b + 39 = 45
2b = 6
b = 3
If you have any more questions, feel free to ask!
Answers
Answer:
P ( 2 R , 4 O , 6 G ) = 0.0261
Step-by-step explanation:
Given:
- Red beans = 8
- Orange beans = 6
- Green beans = 9
Find:
What is the probability of reaching into the bag and randomly withdrawing 12 jellybeans such that the number of red ones is 2, the number of orange ones is 4, and the number of green ones is 6?
Solution:
- The question requires the number of selection of 12 jellybeans we can make from total available such that out of those 12 we choose 2 Red, 4 Orange and 6 Green.
- For selection we will use the combinations. So to choose 2 Red from 8; Choose 4 Orange from 6 and 6 green from 9 available. The number of possible outcomes with such condition is:
Outcomes ( 2 R , 4 O , 6 G ) = 8C2 * 6C4 * 9C6
= 28*15*84
= 35280
- The total number of outcomes if we randomly select 12 beans irrespective how many of each color we select from available 23 we have:
Outcomes ( Select 12 from 23 ) = 23C12
= 1352078
- Hence, the probability for the case is given by:
P ( 2 R , 4 O , 6 G ) = Outcomes ( 2 R , 4 O , 6 G ) / Outcomes ( Select 12 from 23 )
P ( 2 R , 4 O , 6 G ) = 35280 / 1352078 = 0.0261
A. It is a weak negative correlation, and it is not likely causal.
B. It is a weak negative correlation, and it is likely causal.
C. It is a strong negative correlation, and it is not likely causal.
D. It is a strong negative correlation, and it is likely causal.
Answers
Answer:
It is NOT A, it is most likely B
Step-by-step explanation:
A the wrong answer on egde