12/05/23

Eyeball-estimate the regression line for the following scatterplot. Then determine the slope of that line. Select the answer that comes closest to your eyeball-estimate of the slope.
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12/02/23

Find the magnitude and direction angle of the vector v.
v = 9i − 9j
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12/01/23

Describing Data
Consider the following data set. Round your answers to the nearest hundredth as needed. 72 72 47 57 72 34 56 52 44 61 Mean =  Median =  Mode =  Range =  Sample Standard Deviation = 
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12/01/23

precalculus 12 grade
Given tree function , which expression equal (k o b o z) (x)?b(x)=9x , k(x)=x^4-2, z(x)=I5xIanswers I 5((9x)^4-2)I (9I5xI^4)-2I5(9(x^4-2))I5(9x)^4I-2
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12/01/23

Business statistics

Based on the data shown below, calculate the regression line (each value to two decimal places)y =________  x +... more
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11/29/23

Q9: Prb 2 - This problem has two parts to this. I will type out the questions for each of the two parts along with additional info in "Description" below.
Two connected flywheels are free to rotate about an axle through their mutual center. They are at rest, and they remain at rest. One flywheel has a radius r1 = 0.45 m, and a rope wound around it... more
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11/28/23

Exponential Functions
How much would you need to deposit in an account now in order to have $4000 in the account in 10 years? Assume the account earns 5% interest compounded monthly.Answer:_______
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11/27/23

Calculus 5.5 U Substitution
I'm having trouble solving these U substitution problems. I still want to solve the main questions on my own so I'll give samples instead. If you could help me solve these I think I can get a grasp... more
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11/27/23

A single fair die is rolled. Find the probability of each of the following events, and write your answers as fractions.
A single fair die is rolled. Find the probability of each of the following events, and write your answers as fractions.   a) The number showing is 2:      P(2) = b) The number showing is not... more
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11/23/23

Molar Mass equation used

2 C2 H6 +7O2 =4 CO2+ 6 H20 this is a balance equation so how many grams of CO2 was producedHow much moles of CO2 were produced
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11/23/23

Need help picking which one best describes the answer

Pick the radioactive isotope in each set.  23793Np  2010NeIts atomic number is greater than 83.Its atomic number is less than 83. It has fewer neutrons than protons in the nucleus.It is an... more
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11/21/23

Algebra word problem
Suppose you have decided to open your own at home business. Your business involves providing physical products to your customers. Before you open for business, you need to first find a shipping... more
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11/21/23

calculus math homework problem

Suppose f(x) =x^2+sin x and F is an antiderivative of f that satisfies f(pi ) = 0 then f(x) =?
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11/21/23

Statistics: Stem and Leaf Plot

How to construct a stem and leaf plot with a set of numbers that consists of whole numbers and decimals (without rounding the decimals) Like: 951, 715,299, 326, 476, 223, 113.5, 198, 63.4, 84.2,... more
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11/21/23

At the beginning of a study, a certain culture of bacteria has a population of 40. The population grows according to a continuous exponential growth model. After 6 days, there are 124 bacteria.
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11/20/23

pre-Calculus Problem
Write as a power function: y varies directly with the cube root of x and y is 10 when x is 125.
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11/20/23

Write an equation for this linear function.

f(-5)=-1 and f(2)=4
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11/19/23

Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas.

sec(u) = −2, 𝜋/2 < u < 𝜋sin(2u)cos(2u)tan(2u)
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11/19/23

Use the given conditions to find the exact values of sin(2u), cos(2u), and tan(2u) using the double-angle formulas.
sin(u) = −3/5,    3𝜋/2 < u < 2𝜋sin(2u)cos(2u)tan(2u)
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11/19/23

Use a double-angle formula to rewrite the expression.
1/2 cos^2 x -1/4
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11/18/23

PS7 - In units of kilograms per minute, what is the rate that coal can be lifted from the mine?
Coal is being lifted a vertical distance of 49.9 m from a mine by an engine that supplies 399 W of power.
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11/17/23

PS7 - This problem has two parts. I will list the questions for both parts and additional info below in "Description".
A hiker of mass 69 kg is going to climb to the top of Mount Tam, which has an elevation of 2,574 ft.Part a) If the hiker starts climbing at an elevation of 530 ft, what will their change in... more
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11/17/23

Composition and Inverse
Given that f(x) = 4x−5 and g(x) = 2-x2, calculate:(a) f(g(0)) =(b) g(f(0)) =
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11/16/23

Suppose A varies directly as B and inversely as C squared. If A is decreased by 75% and C is increased by 2 times, find the percentage change in B
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11/16/23

Find the point on the line 5x+4y−4=0 which is closest to the point (4,0).
Find the point on the line 5x+4y−4=0which is closest to the point (4,0).
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