02/19/21

Exponential Growth and Decay
Select all the Exponential Growth problems equations
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02/19/21

What is an ellipsis?
Some people say you should never use an elipsis.
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02/19/21

Precalculus question
Find a formula for the exponential function of the form f(x)=a • b^x that passes through the points (-2, 5/16) and (3,320)y=__?
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02/19/21

Find the magnitude and direction of the vector <2,7>. Round angles to the nearest degree and other values to the nearest tenth.

7.3; 73° 7.3; 74° 7.4; 73° 7.4; 74°
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02/19/21

What is the probability that 2 people out of 20 have the same birthday?
Please provide an easy probability formula to determine the probability that 2 people out of 20 have the same birthday.
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02/19/21

A jar contains 5 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins.
Find the probability X=10Find the probability X=11Find the expected value of X
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02/19/21

I can't understand

A phone line runs east along a field of 2 miles and then north along the edge of the same field for 2.75 miles. If the phone line cost 3500 per mile to install, how much could have been saved if... more
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02/19/21

What is the area of a right triangle?
The ladder is 13 feet long and the base is 5 feet from the building. How high can the ladder be from the roof?
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02/19/21

if cos θ = -1/6 and sin θ = y/r and θ is in quadrant III, find y

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02/18/21

If the ratio of yes to no votes it 3 to 4 how many no votes are there out of 4732
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02/18/21

What do verbs signify?
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02/18/21

Point H is on line segment \overline{GI} GI . Given GI=5x,GI=5x, HI=3x-8,HI=3x−8, and GH=3x,GH=3x, determine the numerical length of \overline{GH}. GH .
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02/18/21

10.1 Statistics
Suppose you administer a certain aptitude test to a random sample of 9 students in your school, and that the average score is 105. We want to determine the mean μ of the population of all students... more
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02/18/21

Two planes start from Kansas City at the same time and fly opposite directions, one averaging 55 mph faster than the other. If they are 1796 miles apart after 4 hours, what are their average speeds?
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02/18/21

The longer leg of a right triangle is 1 meter longer than the shorter leg. The hypotenuse is 1 meter shorter than twice the shorter leg. Find the length of the shorter leg of the triangle.
The longer leg of a right triangle is 1 meter longer than the shorter leg. The hypotenuse is 1 meter shorterthan twice the shorter leg. Find the length of the shorter leg of the triangle.
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02/18/21

Determine the arc length of a sector with a radius of 9cm and a central angle of 0=5pi/6 radius

Determine the arc length of a sector with a radius of 9cm and a central angle of 0=5pi/6 radius
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02/18/21

ABCD is a parallelogram, If m<CDA=66, then m<BCD=??
a. 66b. 124c. 114d. 132
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02/18/21

DEFG is a rectangle, DF = 5x - 5 and EG = x + 11. Find the value of x and the length of each diagonal.
a. x = 4, DF = 13, EG = 13b. x = 4, DF = 15, EG = 18c. x = 4, DF = 15, EG = 15d. x = 2, DF = 13, EG = 13
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02/18/21

Complete the two-column proof of Theorem 3.9
Fill in the blank spaces for the reasonsProve theorem 3.9Given: m⊥l, n⊥lProve: m || nStatements Reasons m⊥l, n⊥l <1 is a right angle. <2 is a right angle... more
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02/18/21

Errors and Power Practice
Question 7 (1 point)Consider a hypothesis test in which the significance level is α=0.05 and the power of the test is 0.65. What is the probability of making a... more
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02/18/21

Errors and Power Practice
Question 5 (1 point)At a manufacturing company for medical supplies, machines produce parts used in highly specialized lasers. Company researchers are testing a new machine designed to improve the... more
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02/18/21

Errors and Power Practice
Question 1 (1 point)A medical doctor uses a diagnostic test to determine whether a patient has arthritis. A treatment will be prescribed only if the doctor thinks the patient has arthritis. The... more
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02/18/21

Binomial Distribution
fit a binomial distribution to the following data ?x 0 1 2 3 4 5 6 Total f 5 18 28 12 7 6 4 80
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02/18/21

Binomial Distribution
1) The ratio of the probability of 3 successes in 5 independent trials to the probability of 2 successes in 5 independent trails is 1/4 , what is the probability of 4 success in 6 independent... more
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02/18/21

Binomial Distribution
1) The incidence of an occupassional disease in an industry in such that the workers have 20% chance of suffering from it. what is the probability that out of 6 workers 4 or more will catch the... more
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