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3 years ago

How can I fiure out markup from a price and a percent? (So if i have $1.50 and I need 20% more how do I do that)

Mathematics

1 answer:

Ede4ka [16]3 years ago

7 0

1.50 + (1.50 * (20%)) = 1.8

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What is the total surface area of a cylinder? Write your answer as a polynomial in standard form.

My name is Ann [436]

Surface area of a cylinder=area of 2 bases+area of around cylinder
area of bases=area of circle os 2 times pi times r^2
area of around=circunferenc of circle times height of cylnder=2 timespi timer r times height so 2pirh
so add
area of bases+area around=2pir^2+2pirh
not sure what standard form is
so he answer is
2pi(r^2)+2pi(r)(h)

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3 years ago

a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution

Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

$P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}$

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

$P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25$

We can calculate the probability of getting one non-conforming units (k=1) as:

$P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51$

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4 years ago

Given: a ∥ b and ∠1 ≅ ∠3

gayaneshka [121]

Answer:

∠1 ≅ ∠2

Step-by-step explanation:

As shown in the figure:

We need to prove e ∥ f using the congruent angle.

So, check the options:

A) ∠2 ≅ ∠4 ⇒ (Wrong)

B) ∠1 ≅ ∠2 ⇒ (True) because a ∥ b (Given)

C) ∠2 ≅ ∠3 ⇒ It is required to prove that to prove e ∥ f , it can't be used.

D) ∠1 ≅ ∠4 ⇒ (Wrong)

The complete sentence will be:

We see that <u>∠1 ≅ ∠2</u> by the alternate exterior angles theorem.

Therefore, angle 2 is congruent to angle 3 by the transitive property.

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3 years ago

Which angle is DEF has the largest measure?

xxTIMURxx [149]

Use Brainly to find the right answer :) tha the what I do all the time

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3 years ago

How many 3/4 ounce samples can be made from a 10.5 ounce bottle?

Lyrx [107]

3/4 = 0.75
10.5 / 0.75 = 14 samples can be made.

6 0

3 years ago