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Step2247 [10]
3 years ago
13

A bird flies at a speed of 15 metres per second for 5 seconds, how far does the bird fly

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
4 0
You will have to divide 15 and 5
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Can I get some help with math please
Eduardwww [97]
Multiply all numbers together
4 0
3 years ago
Turn 92.004 mixed number reduced to the lowest term
sineoko [7]

we can turn any decimal number to a fraction by <u>using as many zeros at the bottom as there are decimals and losing the dot atop</u>, so let's see, we have 3 decimals in this case, so we'll use 3 zeros at the bottom.


\bf \underset{\textit{three decimals}}{92.\underline{004}}\implies \cfrac{92004}{\underset{\textit{three zeros}}{1\underline{000}}}\implies \stackrel{simplified}{\cfrac{25001}{250}}\implies 92\frac{1}{250}


recall that to turn an improper fraction to mixed, we divide numerator by denominator, and the quotient is the number alone and the numerator is the remainder of the division.

7 0
3 years ago
A graduate class consists of six students. What is the probability that at least 5 of them are born either in April or in Octobe
nlexa [21]

Answer:

0.0671% probability that at least 5 of them are born either in April or in October

Step-by-step explanation:

For each student, there are only two possible outcomes. Either they were born in April or October, or they were not. The probabilty of a student being born in April or October is independent of other students. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

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

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

And p is the probability of X happening.

Probability of a student being born in April or October

April has 30 days, October 31

The year has 365 days. So

p = \frac{61}{365} = 0.167

A graduate class consists of six students.

This means that n = 6

What is the probability that at least 5 of them are born either in April or in October?

P(X \geq 5) = P(X = 5) + P(X = 6)

In which

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

P(X = 5) = C_{6,5}.(0.167)^{5}.(0.833)^{1} = 0.000649

P(X = 6) = C_{6,6}.(0.167)^{6}.(0.833)^{0} = 0.000022

P(X \geq 5) = P(X = 5) + P(X = 6) = 0.000649 + 0.000022 = 0.000671

0.0671% probability that at least 5 of them are born either in April or in October

8 0
3 years ago
Solve for r 0.5(r+2.76)=3
11111nata11111 [884]

Answer:

r=1.43147648, −4.19147648

Step-by-step explanation:

8 0
3 years ago
4. Find the values of x and y<br>following:complex number. <br><br>(X,Y) = (3,2)-(1,4)<br>​
Sergeeva-Olga [200]

Answer:

x=2 and y= -2

Step-by-step explanation:

(x,y)=(3-1,2-4)

(x,y)=(2,-2)

x=2

y= -2

7 0
3 years ago
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