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wel
3 years ago
7

What is a common denominator for 2/8 and 3/4 in simplest form?

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0
Will not the common denominator be 8 (as 8 goes into 8 and 4 goes into 8)???

yKpoI14uk [10]3 years ago
4 0
One least common denominator can be 2
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Penny power walks 4 and 1/4 miles in 2 hours how many miles does he walk in one hour
Alex_Xolod [135]

Answer:

Penny will walk 2 and 1/8 miles in one hour.

Step-by-step explanation:

4 and 1/4 divided by two = 2 and 1/8

7 0
3 years ago
Read 2 more answers
Katie dropped 5 nickels on the floor. What is the probability that all the nickels will land with heads facing up?
Vinil7 [7]

Using the binomial distribution, it is found that there is a 0.03125 = 3.125% probability that all the nickels will land with heads facing up.

For each coin, there are only two possible outcomes, either it lands on heads, or it lands on tails. The landing of a coin is independent of other coins, hence, the binomial distribution is used to solve this question.

Binomial probability distribution

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

C_{n,x} = \frac{n!}{x!(n-x)!}

The parameters are:

  • x is the number of successes.
  • n is the number of trials.
  • p is the probability of a success on a single trial.

In this problem:

  • 5 nickels, hence n = 5.
  • They are equally as likely to land on heads or tails, hence p = 0.5

The probability that all the nickels will land with heads facing up is P(X = 5), hence:

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 5) = C_{5,5}.(0.5)^{5}.(0.5)^{0} = 0.03125

0.03125 = 3.125% probability that all the nickels will land with heads facing up.

A similar problem is given at brainly.com/question/24863377

3 0
2 years ago
Slope of a vertical line that goes through the point (6,-5)
luda_lava [24]

Answer:

x=6

Step-by-step explanation:

Every point on a vertical line has the same x-value. Use the x-value of the point to find the equation of the vertical line.

x

=

6

3 0
3 years ago
Read 2 more answers
Which of the following ratios is equivalent to 1/cos?
Andrew [12]
Secant

Remember it by linking the third letter:
SeCant = 1/Cos
CoSecant = 1/Sin
CoTangent = 1/Tan
8 0
4 years ago
Which expression is equivalent?
gregori [183]
The correct option is: Option (C) log_3c - log_{3}9

Explanation:
It is the property of log that if it contains the fraction, it can be expressed as the difference of the log of numerator and the log of denominator.

The general form is:
log( \frac{x}{y} ) = log(x) - log(y)

Hence the correct answer is log_3c - log_{3}9.


8 0
3 years ago
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