06/17/20

hank is studying a population of bacteria and notices that the bacteria population increases by 5% each hour. The function that represents the population of bacteria has a constant percent of change?
This is a TRUE or FALSE question
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06/17/20

Two pools are being filled with water.
The first pool contains 931 liters of water and second pool contains 1300 liters of water. Water is being added to the first pool at a rate of 31.5 liters per minute. And the second pool at a rate... more
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06/17/20

A variable x has a binomial distribution with probability of success 0.65 for each trial. For a total of 50 trials, what are the mean and the standard deviation of the distribution?
this has two different symbols in the answer but each one can be represented as either solution.
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06/17/20

. In a binomial experiment, what's the probability of between 33 and 38 successes in 150 trials if P=0.2?
this is also in decimal form and it is best to round it to four decimal places.
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06/17/20

the probability that a drug will lower cholesterol significantly is 0.85. If the drug is administered to 1300 patients, what's probability that more than 1094 will have lowered cholesterol levels?
it is good to round the answer to the nearest decimals places.
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06/15/20

Could someone help me out?
A civil engineer has been asked to design a drainage system to reduce flood damage during the rainy reason. She produced a fancy design with a triangular cross section as shown in Figure 2. Two... more
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06/15/20

How many solutions does the equation e^(-x^2)=x have?
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06/14/20

it has been determined that a certain cell will survive for a given period of time is 0.2. What is the probability that at most 280 of 1500 of these cells will survive for this period of time?

the answer should be in decimal form
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06/14/20

Translate the following sentence to an equation, then solve the equation. When solving the equation use X as the variable.

Forty-nine less a number is equal to the product of three and the sum of the number and seven. Find the number.
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06/14/20

Please help me with this Trig integrals question
Evaluate the following integral.   19 cos3(x) dx
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06/14/20

physics question about pressure

What are the total force and the absolute pressure on the bottom of a swimming pool 22.0 m by 8.50 m whose uniform depth is 2.00 m? What will be the pressure against the side of the pool near the... more
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06/10/20

area/volume geometry

A nylon tent is made of a pyramid on top of a cube. If the front of the tent is 14 feet and the overall height is 20 feet how much nylon is required to make the tent?
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06/09/20

Solve for x please help
2sinx.cosx+2sinx+cos2x+cosx=0
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06/09/20

Calculus 2 intergral question need help
Water flows from the bottom of a storage tank at a rate of r(t) = 300 − 6t liters per minute, where 0 ≤ t ≤ 50. Find the amount of water that flows from the tank during the first 30 minutes
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06/09/20

A wrecking ball, with a mass of 315 kg, hangs from a crane on 10.0 m of cable. The crane swings the wrecking ball so that the angle that the cable makes with the vertical is 30.0°.

What will be the speed of the wrecking ball when it falls back to the vertical position?a) Provide a diagramb) States the formula and givens
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06/08/20

Five sevenths of what number is 4/3
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05/29/20

How can I write a quadratic equation from these 3 points?
(3, -10), (4,0), and (6,8)
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05/28/20

The bathing suits were marked up 150% of the cost to get a selling price of $75. The did not sell well, so the department store reduced the markup to 90% of the cost. What was the new selling price?

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05/28/20

Cynthia could peel 6 pears in 9 minutes and Terry could peel 4 pears in 7 minutes. How many minutes would it take them to peel 50 pears if Cynthia started peeling 3 minutes before Terry joined in?
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05/28/20

Boating Math Question
The boat could sail at 5 times the speed of the current in the river. Thus, the boat could go 84 miles upstream in 4 hours more than it took to go 54 miles downstream. What was the speed of the... more
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05/28/20

How many different ways can 11 soccer players be on the field if there are 17 total players?

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05/28/20

Manufacturing Expenses Question
The manufacturing expense varied linearly with the number of people who worked. If 14 people worked, the cost was $6500. If only 9 people worked, the cost was $4200. What would be the cost in... more
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05/28/20

Evaluate sin(1/2)θ+sinθ
I dont know how to evaluate this problem, please help me, thank you.
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05/28/20

What are the real solutions to the equation x^3 -8x +6
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05/28/20

Sergio got 80% on a test. He answers 24 questions right. How many questions are on the test?
how many questions were on the test?
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