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3 years ago

A macaw's lifespan is on average about 5 times longer than a dog's

2 answers:

7 0

Let M=macaws lifespan and D=dogs lifespan

M=5D
70=5D

If you want to know the dogs average lifespan then solve for D which is 14years.

lisov135 [29]3 years ago

5 0

Answer:

dog =14

Step-by-step explanation:

mcaw = 70

dog = 70/5

dog = 14

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At a certain airport, 65% of the flights arrive on time. A sample of 10 flights is studied. Find the probability that all 10 of

babunello [35]

Answer:

So, the probability is P=0.0135.

Step-by-step explanation:

We know that at a certain airport, 65% of the flights arrive on time.

We get that p=0.65 and q=1-0.65=0.35.

We have 10 flights, so n=10.

We calculate the probability that all 10 of the flights were on time, so k=10.

We use the formulu:

$\boxed{P(X=k)=C^n_k \cdot p^k\cdot q^{n-k}}$

we get:

$P(X=10)=C^{10}_{10}\cdot 0.65^{10}\cdot 0.35^0\\\\P(X=10)=1\cdot 0.0135\cdot 1\\\\P(X=10)=0.0135\\$

So, the probability is P=0.0135.

5 0

3 years ago

Select the value(s) that represent

Brut [27]

Answer:

its 6/7

Step-by-step explanation:

i hope this help

3 0

3 years ago

Evaluate the following

Lana71 [14]

Answer:

314

Step-by-step explanation:

c = 100(3.14)

c = 314

3 0

3 years ago

Read 2 more answers

Ruth Ann wants to research two different careers, medical doctor and astronaut.

elixir [45]

Answer: visit the US Bureau of Labor Statistics website to find information on both careers

The career section

hope this helped :)

Step-by-step explanation: there is none

3 0

3 years ago

Read 2 more answers

Alan has an annual base salary of $18,000. In addition to his salary, he earns 9% of his total sales (S). If he wants to earn at

aivan3 [116]

The right answer is Option D: S>$300,000.

Step-by-step explanation:

Given,

Base salary of Alan = $18000

Commission = 9% = $\frac{9}{100} = 0.09$

Amount Alan wants to earn = $45000 or more

Let,

s be the worth he needs to sell.

Therefore,

Base salary + Commission*Total sales>Amount Alan wants to earn

18000+0.09s>45000

$0.09s>45000-18000\\0.09s>27000$

Dividing both sides by 0.09

$\frac{0.09s}{0.09}>\frac{27000}{0.09}\\s>300000$

Alan must sold items that worth at least $300,000.

The right answer is Option D: S>$300,000.

Keywords: inequality, division

Learn more about inequalities at:

#LearnwithBrainly

7 0

3 years ago