07/31/20

HELP ASAP A spinner has ten equal sectors, numbered 1 through 10. What is the probability that the arrow on the spinner will stop on a multiple of 3?
A spinner has ten equal sectors, numbered 1 through 10. What is the probability that the arrow on the spinner will stop on a multiple of 3? 0.1 0.3 0 1
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07/30/20

What are the intercepts? the domain and range? Are there any turning points or vertex? What are the coordinates for those points?
for the function h(t)=-16t2
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07/24/20

You deposit $2000 in an account earning 2% interest compounded monthly. How much will you have in the account in 15 years?
You deposit $2000 in an account earning 2% interest compounded monthly. How much will you have in the account in 15 years?
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07/24/20

 h(t)=−16t2+64t+80 
A person standing close to the edge on top of a 80-foot building throws a ball vertically upward. The quadratic function h(t)=−16t2+64t+80 models the ball's height about the ground, h(t), in... more
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07/18/20

If cos(θ)=24/25, and θ is in Quadrant I, then what is cos(θ/2)?
give answer as fraction
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07/17/20

Statistics and Probability
Given below are the number of successes and sample size for a simple random sample from a population.x = 12​, n = 40​, 90​% levela. Determine the sample proportion.b. Decide whether using the​... more
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07/17/20

Parametric equations
x=2t+1,y=2t²express y in terms of x
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07/17/20

A supplier of portable hair dryers will make x hundred units of hair dryers available in the market when the unit price is

p=√81+4.2xdollars. Determine the producers' surplus if the market price is set at $12/unit. (Round your answer to two decimal places.)
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07/17/20

At the beginning of an experiment, a scientist has 212 grams of radioactive goo. After 120 minutes, her sample has decayed to 6.625 grams.
What is the half-life of the goo in minutes? Find a formula for G(T) to amount of goo remaining at time t. G(T)=How many grams of goo will remain after 35 mins?
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07/17/20

The half-life of Radium-226 is 1590 years. If a sample contains 300 mg, how many mg will remain after 2000 years?
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07/17/20

If you draw a card with a value of four or less from a standard deck of cards, I will pay you $7. If not, you pay me $6. (Aces are considered the highest card in the deck.)
Step 1 of 2 :  Find the expected value of the proposition. Round your answer to two decimal places. Losses must be expressed as negative values.
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07/16/20

Use a right triangle to write the following expression as an algebraic expression. Assume that x is positive and that the given inverse trigonometric function is defined for the expression in x

Very confused! Please help! sin ( tan^-1 2x )
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07/16/20

A steamboat travels 11 ​km/h faster than a freighter. The steamboat travels 100 km in the same time the freighter travels 78 km. Find the speed of each boat.
A steamboat travels 11 ​km/h faster than a freighter. The steamboat travels 100 km in the same time the freighter travels 78 km. Find the speed of each boat.The speed of the freighter is _____... more
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07/15/20

Let v=-3√2i-4√2j. Find a unit vector that points in the opposite direction as v.
Let v=-3√2i-4√2j. Find a unit vector that points in the opposite direction as v.A.)u=(5/3)i+(5/4)jB.)u=(-3/5)i+(-4/5)jC.)u=(3/5)i+(4/5)jD.)u=(-5/3)i-(5/4)j
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07/15/20

having trouble with these type of problems
Consider the following.t= -4π/3(a) Find the reference number t for the value of t.t=(b) Find the terminal point determined by t.(x,y)=
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07/15/20

If the point (2, 3) is on the graph of y=f(x), find the coordinates of a point on the transformed function y=2f(3x-1)+5.
If the point (2, 3) is on the graph of y=f(x), find the coordinates of a point on the transformed function y=2f(3x-1)+5..
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07/15/20

find the absolute and local maximum and minimum values of f.
f(t) = 9 cos(t),    −3π/2 ≤ t ≤ 3π/2absolute maximum value=absolute minimum value=local maximum value=local minimum value=
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07/14/20

We have f '(x) = 6x^2 + 6x − 252, so f ''(x) = 12x+6, which equals 0 when (x, f(x)) =
What is the inflection point what is (x,f(x))?
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07/14/20

Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ
Given the vectors a=3i+4j, b=-2i+5j, c=10i-j, d=(-1/3)i+(5/2)j, find: ǁ-10d-10c-10bǁ
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07/14/20

Sine, Cosine, and Tangent
A wheelchair ramp must form an angle no greater than 4.8 degrees with the ground. If a 1.8 foot high ramp is needed, what is the minimum horizontal length for the ramp so it satisfies the angle... more
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07/14/20

find and simplify expression if f(x) = x^2-1 f(x-1)
find and simplify expression if f(x) = x^2-1 f(x-1)
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07/14/20

need help i do not understand
The total cost of printing small booklets is $600 (the fixed cost) plus $3 for each booklet printed. Express the total cost of producing booklets, c, as a function of the number of booklets... more
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07/14/20

The fox population in a certain region has an annual growth rate of 6 percent per year. It is estimated that the population in the year 2000 was 13600.
(a) Find a function that models the population t years after 2000 (t=0 for 2000).Your answer is P(t)=    (b) Use the function from part (a) to estimate the fox population in the year 2008.Your... more
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07/13/20

Finite Math: Finding Probability & Percentages
Wonder Widgets Inc. has three factories producing the Wham Wonder Widget (WWW). Last year, factory A produced 60 % of all WWW, factory B produced 30% of all WWW, and factory C produced the... more
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07/13/20

Given that a=(1,-4), b=(1,4) and c=(-5,3)find the number. (Round your answer to two decimal places.) compc b=
Given that a =  1, −4 , b =  1, 4 , and c =  −5, 3 , find the number. (Round your answer to two decimal places.)compc b=
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