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2 years ago

How many hours are there in 3/4 of a day?

Mathematics

2 answers:

antiseptic1488 [7]2 years ago

6 0

1 day has about 24 hours

3/4 of 24=3/4 times 24=72/4=18 hours in 3/4 of a day

Korvikt [17]2 years ago

4 0

$\frac{3}{4} = 0.75$ . So, $approximately$ $18$ $hours$

$good \\ luck \\ on \\ your \\ assignment \\ \\ \\ enjoy \\ your \\ day \\ \\ \\ \\ MeIsKaitlyn :)$

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The Maximus Electric Company will increase employee's yearly wages by 2.5% next year. An employee whose

Mamont248 [21]

Answer:

46,125

Step-by-step explanation:

2.5% = .025

45,000 * .025 = 1,125

45,000 + 1,125 = 46,125

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2 years ago

at a pizza party, 40% of the pizzas were pepperoni. if there were 6 pepperoni pizzas how many pizzas were there in all.

disa [49]

I think 10 tell me if I am wrong

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3 years ago

Read 2 more answers

Find the probability of at least 6 failures in 7 trials of a binomial experiment in which the probability of success in any one

oksano4ka [1.4K]

Answer:

$P(x \geq 6)=P(X=6)+P(X=7)$

And we can find the individual probabilities:

$P(X=6)=(7C6)(0.91)^6 (1-0.91)^{7-6}=0.358$

$P(X=7)=(7C7)(0.91)^7 (1-0.91)^{7-7}=0.517$

And replacing we got:

$P(x \geq 6)=P(X=6)+P(X=7)= 0.358+0.517=0.875$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

Let X the random variable of interest, on this case we now that:

$X \sim Binom(n=7, p=1-0.09=0.91)$

The probability associated to a failure would be p =1-0.09 = 0.91

The probability mass function for the Binomial distribution is given as:

$P(X)=(nCx)(p)^x (1-p)^{n-x}$

Where (nCx) means combinatory and it's given by this formula:

$nCx=\frac{n!}{(n-x)! x!}$

And we want to find this probability:

$P(x \geq 6)=P(X=6)+P(X=7)$

And we can find the individual probabilities:

$P(X=6)=(7C6)(0.91)^6 (1-0.91)^{7-6}=0.358$

$P(X=7)=(7C7)(0.91)^7 (1-0.91)^{7-7}=0.517$

And replacing we got:

$P(x \geq 6)=P(X=6)+P(X=7)= 0.358+0.517=0.875$

6 0

2 years ago

What is the solution to the equation 5 + b = 18? F b= 5 H b= 13 Gb=8 Jb= 23

Scrat [10]

Answer:

H) B= 13

Step-by-step explanation:

5 + b = 18

F) 5 + 5 = 10 so not equal to 18. It is not a solution

H) 5 + 13 = 18 it's equal . so it is the solution

G) 5 + 8 = 13 so not equal to 18. It is not a solution

J) 5 + 23 = 28 so not equal to 18. It is not a solution

8 0

2 years ago

Read 2 more answers

Jenna has a round trampoline with an area of 153.86 feet squared. Jenna is 2 points

astraxan [27]

Answer:

The length of the cover that will wrap around the edge of the trampoline is 43.96 ft.

Step-by-step explanation:

Given that,

Area of trampoline, $A=153.86\ ft^2$

Jeena wants to buy a cover to put around the edge of the trampoline. We need to find the length of the cover that will wrap around the edge of the trampoline. First of all, lets find the radius of trampoline. Let is is r. So,

$\pi r^2=153.86 \\\\r=\sqrt{\dfrac{153.86 }{3.14}} \\\\r=7\ ft$

To find the length of the cover that will wrap around the edge of the trampoline we will find circumference of the trampoline as :

$C=2\pi r\\\\C=2\times 3.14\times 7\\\\C=43.96\ ft$

So, the length of the cover that will wrap around the edge of the trampoline is 43.96 ft.

7 0

3 years ago