02/10/23

In a large population, 56 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

In a large population, 56 % of the people have been vaccinated. If 5 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?

02/10/23

If the LOR is 0.0021mm and two objects are 0.0015mm apart they are seen as

If the LOR is 0.0021mm and two objects are 0.0015mm apart they are seen as

02/10/23

Percentage math problem

Deshaun deposits $300 into an account that pays simple interest at a rate of 4% per year. How much interest will he be paid in the first 4 years?

02/06/23

bio labb homework

Having learned that the optimum sugar concentration is 25% , the students next decide to investigate whether different strains of yeast produce different amounts of alcohol. If you were going to... more

02/03/22

PLEASE HELP...what is m∠U ?

Given ΔSTU and ΔDEF, what is  m<U?

02/03/22

what is the probability that, in a random sample of 6 visitors to the website, exactly 2 arrive in error?

A certain company's IT department has found that 17% of all visitors to the company website arrive there in error. (They are actually looking for another website.) If this percentage is correct,... more

Can someone explain? I was going over infixes and it said "an" mean single bonds, but I see a double bonded carbon to oxygen. I know its an aldehyde but I don't understand why its not spelled ethenal?

The InfixThe infixindicates the presence of just single bonds, one or more double bondsor one or more triple bonds.We must know these infixes listed in Table 5.Table 5. IUPAC InfixesInfixBondsanall... more

01/18/22

Liquid leaked from a damaged tank at a rate of r ( t ) liters per hour. The rate decreased as time passed and values of the rate at four-hour time intervals are shown in the table.

t (hr)r(t) (L/h) 0 10.9 4 10.3 8 9.7 12 9.2 16 8.7 20 8.2 Find lower and upper estimates for the total amount of liquid that leaked out.(a) lower estimate =  liters(b) upper estimate... more

01/18/22

Help me answer this???

You have reacted 100.00 mL of 0.949M calcium nitrate solution with 100.00 mL of 0.955M sodium phosphate solution. After filtering and drying the precipitate, you find that you have 8.630g of... more

05/11/20

Math help asap!!

1. The students in one social studies class were asked how many brothers and sisters (siblings) they each have. The dot plot here shows the results a. How many of the students have six siblings?... more

08/23/19

How to compute a probability

I have that X ~ N(0, 1) and I want to compute the probability P(X2 + X + 1 > 0). Normally, I proceed to reduce the expression into something that looks like P(X > c), but on this problem the... more

Probability question

An organization hires 20% of graduates from University A, 30% from University B and 50% from University C. If 10% of graduates from University A, 20% of graduates from University B and 15% of... more

04/30/19

Air Bags and Chemistry

Air bags are activated when a severe impact causes a steel ball to compress a spring and electrically ignite a detonator cap. This causes sodium azide (NaN3) to decompose explosively according to... more

04/30/19

Statistic solve the problem.

assume that when adults with smartphones are randomly​ selected, 53​% use them in meetings or classes. If 5 adult smartphone users are randomly​ selected, find the probability that at least 2 of... more

04/30/19

y=a•b^x A scientist is experimenting with bacteria growth populations. He starts with 100 bacteria in a petri dish and estimates that the population will triple each day.

1) a=2) b=3) Exponential Function:4) How many bacteria will there be after two days?

Why does a "cascade" of events happen during signal transduction?

I've been watching some videos on signal transduction and it says that because there are enzymes being activated by the signal, then there is a "cascade" which happens afterwards...I don't... more

04/03/19

Question looking for the reduction half reaction?

Given the following net ionic equation: 3 Zn(s) + 2 Fe3+(aq) →  3 Zn2+(aq) + 2 Fe(s)The reaction that represent the reduction half-reaction is:Question 1 options: a. Zn2+(aq) +... more

03/22/19

How many liters of H 2 would be formed at 624 mm Hg and 14 ∘ C if 21.0 g of zinc was allowed to react?

How many liters of H2 would be formed at 624 mm Hg and 14 ∘C if 21.0 g of zinc was allowed to react?

03/20/19

Find the maximum value of g(t)=t^3−9t+7 on the interval [−1.5,3].

Find the maximum value of g(t)=t^3-9t+7 on the interval [-1.5,3] .

A different word for "One Thing In Common"?

if there is, a single word, that is more professional and used on academic work or everywhere else where good English is written with proper grammar. > E.g. They got one thing in common. E.g.... more

When can I omit the subject?

Can I omit the subject if it has been mentioned in a preceding sentence? For example, is the phrase inside the parentheses necessary in the below?: >> The sculpture A exhibits degradation at... more

What's the negation of "I used to be"? Surely not "I didn't used to be"?

What is the negative form of *"I used to be"*? I often hear *"I didn't used to be"* but that sounds awfully wrong in my ears.

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