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3 years ago

What is the degree of the monomial 3x^2y^3?

Mathematics

2 answers:

nexus9112 [7]3 years ago

7 0

Answer: The degree of the monomial $3x^2y^3$ is 5

Step-by-step explanation:

We know that the degree of a monomial is given by the sum of all the exponents of the variables.

The given monomial is $3x^2y^3$

The variables of the expression is x and y.

The exponent of x = 2 and the exponent of y = 3.

Now, the sum of the exponents of the variables = 2+3=5

Hence, the degree of the monomial $3x^2y^3$ is 5

frez [133]3 years ago

3 0

When we say the degree of the monomial, it means that it is the sum of the exponents of all the variables of the monomial. For this expression, the degree is 5(=2+3). Therefore, the correct answer would be 5. Hope this helps you!

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For women aged 18-24, systolic blood pressures are normally distributed with a mean of 114.8 mm Hg and a standard deviation of

NNADVOKAT [17]

Answer:

0.0579 is the probability that mean systolic blood pressure is between 119 and 122 mm Hg for the sample.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 114.8 mm Hg

Standard Deviation, σ = 13.1 mm Hg

Sample size = 23

We are given that the distribution of systolic blood pressures is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Standard error due to sampling:

$\displaystyle\frac{\sigma}{\sqrt{n}} = \frac{13.1}{\sqrt{23}} = 2.731$

P(blood pressure is between 119 and 122 mm Hg)

$P(119 \leq x \leq 122) = P(\displaystyle\frac{119 - 114.8}{2.731} \leq z \leq \displaystyle\frac{122-114.8}{2.731}) = P(1.537 \leq z \leq 2.636)\\\\= P(z \leq 2.636) - P(z < 1.537)\\= 0.9958 - 0.9379 = 0.0579= 5.79\%$

$P(119 \leq x \leq 122) = 5.79\%$

0.0579 is the probability that mean systolic blood pressure is between 119 and 122 mm Hg for the sample.

8 0

3 years ago

Whats the least common multiple of 18 and 42?

wlad13 [49]

The least common multiple of 18 and 42 is 126. Sorry I don't know how to explain it.

6 0

2 years ago

How do you simplify 14.938 - 14.93 ? Please help

omeli [17]

Answer:

0.008

Step-by-step explanation:

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2 years ago

Thank u :)!! for the help

Simora [160]

Answer:

$0.75

Step-by-step explanation:

Consider any one of the values given in the table.

Cost of 5 tickets = $3.75

So, cost of 1 ticket

= $3.75/5

= $0.75

Verification:

Verify the answer by other values.

Cost of 10 tickets = $7.50

So, cost of 1 ticket

= $7.50/10

= $0.75

Cost of 15 tickets = $11.25

So, cost of 1 ticket

= $11.25/15

= $0.75

Cost of 20 tickets = $15.00

So, cost of 1 ticket

= $15.00/20

= $0.75

The cost of 1 ticket is same in all cases.

Hence, verified.

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3 years ago

This is urgent I need help!

Nata [24]

Answer:

Step-by-step explanation:

1. Write an expression to show how to calculate the number of buses needed. Make sure to include parenthesis to show what should be done first since order of operations is important.

(9*25)+4+(2*4)=237 (total number of people going to the museum

Each bus,excluding the driver,holds 44 people

237/44 = 5.3863636363.......

2. How many buses will be needed?

6 buses are needed

3. Why must the answer to the problem be a whole number?

Buses cannot be divided in fractions It should be or 5 buse or 6

But 5 buses are not enough

4. Why shouldn't you round the answer the usual way?

Even when rounded it is still a decimal and buses need to be counted by whole number

5. Can your answer be classified as a rational number? Explain why or why not.

6 is a rational number (whole number)

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3 years ago