04/02/23

#### Conditional probability and multiplication rule

A jar contains four red marbles number 1 to 4 and 10 blue marbles numbered 1 to 10 marvelous, chosen at random if you’re told the marvels blue what is the probability that it has the number three...
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03/31/23

#### Determine the open intervals on which the graph of the function is concave upward or concave downward. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)

Determine the open intervals on which the graph of the function is concave upward or concave downward. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)f(x)...
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03/23/23

#### Statistics Question

At a restaurant, the time a customer has to wait before being seated follows an exponential distribution and is given by the probability density function (pdf): f(t)=1e−1t Find the probability that...
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03/18/23

#### find the following. (a). 𝑑𝑖𝑣𝐹⃑ (b). 𝑔𝑟𝑎𝑑(𝑑𝑖𝑣𝐹⃑) (c). 𝑐𝑢𝑟𝑙 (𝑔𝑟𝑎𝑑(𝑑𝑖𝑣𝐹⃑))

Given 𝐹⃑ = 〈𝑥𝑦𝑧^2 , 𝑥^2𝑦𝑧^3 , 𝑦^2 〉, find the following. (a). 𝑑𝑖𝑣𝐹⃑ (b). 𝑔𝑟𝑎𝑑(𝑑𝑖𝑣𝐹⃑) (c). 𝑐𝑢𝑟𝑙 (𝑔𝑟𝑎𝑑(𝑑𝑖𝑣𝐹⃑))

02/28/23

#### Equation of a tangent line

02/28/23

#### Product rule - -- -

02/26/23

#### Find f. (Use C for the constant of the first antiderivative and D for the constant of the second antiderivative.) f ''(x) = 24x3 − 18x2 + 10x f(x) =

Find f. (Use C for the constant of the first antiderivative and D for the constant of the second antiderivative.)f ''(x) = 24x3 − 18x2 + 10xf(x) =

02/25/23

#### At a hockey game, a vender sold a combined total of 126 sodas and hot dogs. The number of sodas sold was two times the number of hot dogs sold. Find the number of sodas and the number of hot dogs sold

I really need to know how to find the equation in a word problem.

01/23/23

#### Margaret is making strawberry milks

Margaret is making strawberry milkshakes for the kids party. The recipe calls for of a cup of strawberry syrup to make 11 milkshakes. How many cups of strawberry syrup are needed to make 99...
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#### Given the function calculate the following values

F(x)={3x+6 x<0, 3x+12 x>(has a line under it so it is greater than or equal to) 0}Calculate with the values:F(-1)=I put nine for it I actually plugged in the numbers into both equations and...
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01/20/23

#### Word problems and equations

A rocket fired with an upward velocity of 690 ft per second. How many seconds pass before the rocket reaches the ground (S=0). S= -16(t)(t)+690t. I have worked this problem over and over to no avail.

01/17/23

#### Complete ordered pairs for the equation and then graph the equation 3x+5y=15

Complete ordered pairs for the equation and then graph the equation3x+5y=15

01/05/23

#### How do I find the E U F and E U F

E= {yIy≥3} F= {yly<8}Write E U F and E n F using interval notation. If the set is empty, write Ø

12/31/22

#### math statistic mat205

- Consider a t distribution with 9 degrees of freedom. Compute P≤t−1.4 . Round your answer to at least three decimal places.P(t≤−1.4 )= (b)Consider a t distribution with 16 degrees of freedom....
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12/29/22

#### Prove In Plato's Line of Knowledge that Belief part of whole is equal to Learned part of the whole

Many people have many interpretations of Plato's Line of Knowledge. This question is/asks about the math/algebra to prove the middle pieces equal.the whole = a person's body of knowledge on any...
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#### Determine the producers' surplus if the market price is set at the equilibrium price. (Round your answer to the nearest dollar.)

Producers' Surplus, The demand function for a certain brand of CD is given by
p = −0.01x2 − 0.2x + 15where p is the unit price in dollars and x is the quantity demanded each week, measured in...
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#### Determine the consumers' surplus if the market price is set at $8/unit. (Round your answer to two decimal places.)

Consumers' Surplus, It is known that the quantity demanded of a certain make of portable hair dryer is x hundred units/week and the corresponding wholesale unit price is,
p=\sqrt(256-6x)Determine...
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#### Expected value question

Dr. Smith asked ten of his students how much cash they were carrying. The responses in dollars were: 0, 25, 10, 40, 20, 20, 40, 35, 0, 100.In an uncharacteristic act of generosity, Smith then gives...
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