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mel-nik [20]
3 years ago
7

How many miles does Zachary jog in 4.5 hours

Mathematics
2 answers:
Andru [333]3 years ago
6 0
Zachary jogs 2 miles is 4.5 hours
allsm [11]3 years ago
3 0

Answer: 4.5 is in between 4 and 5, so mark 4.5 in between 4 and 5 and then multiply 4.5 by 6 to get 27

Step-by-step explanation:

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If todd spent 4.5 hours studying last week, how many minutes did he spend studying?
34kurt

Answer:

It would be B.

Step-by-step explanation:

4.5 hours = 270 minutes

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Which is warmer, the coldest temperature recorded in the USA, or the average temperature on Mars?
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average temperatures on mars, then you get the hottest temperatures...

Step-by-step explanation:

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3 years ago
The cost of silver is a function of the weight,<br> what is the output when the input is 15
Vladimir79 [104]

Answer:

rupee 300 will be the correct answer

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How do I solve -7 1/8 + 4 3/4
BabaBlast [244]

Answer:

Mixed fraction   -2 3/8

decimal form     -2.375

Improper fraction   -19/8

Step-by-step explanation:

Convert the mixed numbers to improper fractions

then find the least common denminator and then combine them

so the answer is  -19 / 8 or -2 3/8 as a mixed fraction

6 0
3 years ago
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5. A company sells small, colored binder clips in packages of 20 and offers a money-back guarantee if two or more of the clips a
SOVA2 [1]

Answer:

a) Binomial.

b) n=20, p=0.01, k≥2

The probability hat a package sold will be refunded is P=0.0169.

Step-by-step explanation:

a) We know that

  • the defective probability is constant and independent.
  • the sample size is bigger than one subject.

The most appropiate distribution to represent this random variable is the binomial.

b) The parameters are:

  • Sample size (amount of clips in the package): n=20
  • Probability of defective clips: p=0.01.
  • number of defective clips that trigger the money-back guarantee: k≥2

The probability of the package being refunded can be calculated as:

P(x\geq2)=1-(P(x=0)+P(x=1))\\\\\\P(x=k) = \dbinom{n}{k} p^{k}q^{n-k}\\\\\\P(x=0) = \dbinom{20}{0} p^{0}q^{20}=1*1*0.8179=0.8179\\\\\\P(x=1) = \dbinom{20}{1} p^{1}q^{19}=20*0.01*0.8262=0.1652\\\\\\P(x\geq2)=1-(0.8179+0.1652)=1-0.9831=0.0169

6 0
4 years ago
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