03/03/20

How many moles are in 8.6x10^26 molecules of H2O expressed in the correct number of significant figures?
A. 1,400 mil h2oB. 5.2x10^50 mol h2oC. 1.4 mol h20 D. 1.4x10^51 mol h2o
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03/03/20

Find dy/dx by implicit differentiation. x^2 − 6xy + y^2 = 6
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03/03/20

If f(x) + x^2[f(x)]^3 = 10 and f(1) = 2, find f '(1).
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03/03/20

Find dy/dx by implicit differentiation. x sin(y) + y sin(x) = 8
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03/03/20

Calculus Trig EVP

Find the absolute minimum value of f(x) = 4sin^2(x) + 5cos^2(x)on [-pi, pi]
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03/02/20

differential equation
Find the value of a for which the polynomial x^5-ax²-ax+1has −1 as a root with multiplicity at least 2.
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03/02/20

which choice is equivalent to the expression below when y is greater than or equal to 0? square root y^3+square root 9y^3-3ysquare root y
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03/02/20

Use a calculator to find θ to the nearest tenth of the degree, if 0∘<θ<360∘ and secθ=−1.0122 with θ in QII.
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03/02/20

peter walked from p --> q and back a total of 2 miles. He walked 4 mph on the trip from p to q and 5 mph on the return trip. What is his average speed?
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03/02/20

peter walked from p --> q and back a total of 2 miles. He walked 4 mph on the trip from p to q and 5 mph on the return trip. What is his average speed?
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03/02/20

A bus traveling at 30 km/h speeds up at a constant rate of 3.5 m/s^2. what velocity does it reach 6.8s later?

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03/02/20

an inline skater traveling in a straight line goes from 3 m/s to 9 m/s in 3 s. what is the acceleration

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03/02/20

URGENT HELP PLEASE
A 500 pound object hangs from two cables with angles below the horizontal of θ=25 and ϕ=32 respectively. Determine the magnitude of the tension vectors,  ∣∣∣∣→T1∣∣∣∣ and ∣∣∣∣→T2∣∣∣∣.
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03/02/20

Calculus Question
Using the table below, estimate the instantaneous rate of change when x=3x: 1, 2, 3, 4, 5y: 0, -2, -6, -12, -20
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03/01/20

Use the table to evaluate the expression.
x 1 2 3 4 5 6 f(x) 2 3 5 1 6 3 g(x) 3 5 6 2 1 4 (f ∘ f)(5)=
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03/01/20

From the graphs of f and g in the figure, we find the following. (Assume that each point lies on the gridlines.)
(f+g)(0)=(f-g)(0)=(fg)(0)=(f/g)(0)=
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03/01/20

How many sulfur atoms are in 0.25 mole of SO3?
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03/01/20

Which of the following actions will NOT increase the rate at which a solid dissolves in a liquid?
Increasing the tempStirring the solid and the liquid lowering the temp increasing the surface area of the solid (leaning toward d?)
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03/01/20

need help with polar question

A curve with a polar equation, r=28/6sinθ+25cosθ  represents a  line. This line has a Cartesian equation of the form y=mx+b, where m and b are constants. Give the formula for y in terms of x. For... more
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03/01/20

calculus question
Each side of a square is increasing at a rate of 4 cm/s. At what rate is the area of the square increasing when the area of the square is 81 cm2?
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03/01/20

Specialist Maths - Trigonometry Applications
A BMX track is surrounded by a circular fence of radius 120 metres. Find the percentage of fence visible to a person standing outside the fence, 80 metres from the nearest point of the fence.It has... more
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02/29/20

Please help me! The population P (in thousands) of Alaska in the years 2005 through 2015 can be modeled by P = 75 ln(t) + 540, 5 ≤ t ≤ 15 where t represents the year, with t = 5 corresponding to 2005.
Whole question:The population P (in thousands) of Alaska in the years 2005 through 2015 can be modeled by P = 75 ln(t) + 540, 5 ≤ t ≤ 15 where t represents the year, with t = 5 corresponding to... more
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02/28/20

Solve the linear programming problem. Minimize and maximize
z=40x+50ysubject to 3x+y>=24 x+y>=12 x+3y>=18 x,y>=0
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02/25/20

how do i solve?
The square below has an area of 169   . The perimeter of this square is in.
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02/25/20

I spent 7 minutes straightening my hair this morning, my straighteners transferred 252kJ of energy. What is their power?
Please help!!!!!!!!!!!!!!
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