Mark M.

Math Precalculus

03/25/20

Determine the exact value of the following expression. sin(67°30′)

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Calculus

03/24/20

Use the substitution x=tan(θ) to evaluate ∫ (x dx)/(√ x^2 +1)

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Math Algebra 2 Algebra

03/23/20

Simple Algebra Interest

Last year Kareem had $20,000 to invest. He invested some of it in an account that paid 8% simple interest per year, and he invested the rest of it in an account that paid 7% simple interest per... more

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Calculus

03/21/20

lim x → − 2 6 x 2 − 8 x + 5/ x − 6

Evaluate the limit for this

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Trigonometry

03/20/20

cosx=-sin^2 x-1 find all solution in interval [0,2pi)

please help me find the solutions

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Calculus

03/14/20

Solve sin(2θ)=−√3/2 for θ in the interval [ 0 , 2 π )

For the first four solutions

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Algebra 2

03/12/20

Complex zeros of polynomials

Find a degree 3 polynomial with real coefficients having zeros 3and 4i and a lead coefficient of 1. Write P in expanded form.

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Math Calculus

03/11/20

At 2:00 PM a car's speedometer reads 30 mi/h. At 2:10 PM it reads 50 mi/h. Show that at some time between 2:00 and 2:10 the acceleration is exactly 120 mi/h^2.

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Math Algebra 1 Eighth Grade

03/06/20

The slopes of four different lines are 3/5, -10/6, -5/3, and 9/15. do these lines determine a rectangle? explain why or why not

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Math Algebra 1

03/02/20

The ordered pairs (2,100) and (3,1000) are solutions to an exponential equation. Write the equation.

I need help with this please. Any help is appreciated. Thanks.

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Precalculus College Algebra

03/02/20

A newspaper carrier has $6.80 in change. He has four more quarters than dimes but five as many nickels as quarters. How many coins of each type does he have?

How many dimes does he have? How many quarters does he have? How many nickels does he have?

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Differential Equations

03/02/20

The measure of the angle supplement is 10° more than five times that if it’s complement find the measure of the angle described

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Differential Equations

02/24/20

Answer each rational equation

36x4-13x2+1=0

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Precalculus

02/24/20

A function is given. Determine the average rate of change of the function between the given values of the variable.

A function is given. Determine the average rate of change of the function between the given values of the variable.f(x) = 5 − x2; x = 9, x = 9 + h

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Prealgebra

02/21/20

Algebraic Substitution

A hawk takes off from the ground ascending 80 feet per minute. At the same time an eagle is flying at 1200 feet and descending 70 feet per minute. After how many minutes will the 2 birds be at the... more

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Calculus

02/20/20

Find the value of V

Find the value V of the Riemann sum V= ∑n,k=1 ƒ(ck)Δxk, for the functionƒ(x)=x2 +4 using the partition P=(1,3,4,6), where ck is the left endpoints of the partition.

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Precalculus

02/20/20

Give domain and range of the graph of

f(x)= 5/(x+2)2 + 3

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Precalculus

02/18/20

Give the equation of the asymptote for the function: f(x)= log3 (x-4) + 5

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Geometry

02/17/20

Geometry help....

For what value of a would the following system of equations have an infinite number of solutions??X-y=64x-4y=2a

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Math Algebra 1 Algebra 2

02/14/20

How do I solve this?

A condo was purchased for $88,500 in 2000. Its value appreciates 6.5% annually. What will it beworth in 2015?Is the equation 88500(6.5)^xHow do I solve it without using (log)??

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