MATHEMATICS HIGH SCHOOL

Find the surface area of the cylinder. Please helpthe length is 12in

the diameter is 5in

Answers

Answer 1
Answer:

227.77in²

Hopethishelpedyou-haveagooddaybrocya)

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If x = –1 and y = 2, what is the value of the expression 2x3 – 3xy ?

Answers

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Which statement models this situation? The time between airline arrivals must be more than 2 minutes. A. t > 2 B. t = 2 C. t < 2 D. t + 2 > 0

Answers

the answer might be A because (time between airline arrivals MUST be more than 2 minutes) in letter A it shows that time is more than the 2 minutes hope this helps =)
The answere is A it says more than teo minutes

Which lines or segments are parallel? Justify your answer

Answers

Answer:

CH, AR are parallel.

What is the probability of flipping a coin 8 times getting heads 4 times

Answers

1/2 because 8/4=2 so 2 means that there is two sides, so your answer is 1/2
1 out of 2 or 50% is the probability

Which property applies only to addition and multiplication? A. Associative property B. Distributive property C. Inverse property D. Both A and B

Answers

the answer is associative property because no matter how you group the numbers, you still get the same number. hopefully my answer helped you

Which of the following integrals cannot be evaluated using a simple substitution? (4 points) Select one: a. the integral of the square root of the quantity x minus 1, dx
b. the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx
c. the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx
d. the integral of x times the square root of the quantity x squared minus 1, dx

Answers

Answer:

B. and C.

General Formulas and Concepts:

Calculus

Differentiation

  • Derivatives
  • Derivative Notation

Integration

  • Integrals
  • Indefinite Integrals
  • Integration Constant C

U-Substitution

Step-by-step explanation:

*Note:

It seems like B and C are both the same answer.

Let's define our answer choices:

a.  \displaystyle \int {√(x - 1)} \, dx

b.  \displaystyle \int {(1)/(√(1 - x^2))} \, dx

c.  \displaystyle \int {(1)/(√(1 - x^2))} \, dx

d.  \displaystyle \int {x√(x^2 - 1)} \, dx

Let's run u-substitution through each of the answer choices:

a.  \displaystyle u = x - 1 \rightarrow du = dx \ \checkmark

∴ answer choice A can be evaluated with a simple substitution.

b.  \displaystyle u = 1 - x^2 \rightarrow du = -2x \ dx

We can see that this integral cannot be evaluated with a simple substitution. In fact, this is a setup for an arctrig integral.

∴ answer choice B cannot be evaluated using a simple substitution.

C.  \displaystyle u = 1 - x^2 \rightarrow du = -2x \ dx

We can see that this integral cannot be evaluated with a simple substitution. In fact, this is a setup for an arctrig integral.

∴ answer choice C cannot be evaluated using a simple substitution.

D.  \displaystyle u = x^2 - 1 \rightarrow du = 2x \ dx \ \checkmark

Using a little rewriting and integration properties, this integral can be evaluated using a simple substitution.

∴ answer choice D can be evaluated using a simple substitution.

Out of all the choices, we see that B and C cannot be evaluated using a simple substitution.

∴ our answer choices should be B and C.

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Integration

Book: College Calculus 10e
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