Engr. Ronald

What's the square root of -1?

Am I right?

The sum of three consecutive integers is 36. What is the largest of the three integers? The correct answer is 13.?

Math Question Please Help!?

what is 3/2 of 4?

The sides of a triangle are in the ratio of 1/2:1/3:1/4. If the perimeter is 52 cm, the length or the smallest side is?

Let a = <3,8> and b = <-4,6>. What is the dot product of a and b?

Find the dot product of u = <8,7> and v = <-3,-2>, then determine of u and v are orthogonal. ?

graph your equations: 2x + 3y = 7 and y=2x + 27 label them properly, including point of intersection?

Find the vertical component of v with a magnitude of 89.7 feet and a direction angle of 12.8°.?

Find A using the formula  A = Pe^rt?

Given the equation below, what is the value of x? 3^(x)=21?

Let f(x)=5−1x+12x2. Calculate the following values?

could i get help simplifying the equation please?

2(8x + 11) = (-122)?

What is the derivative of 152sin^2(x)?

math answer; i got 10.8?

need help with steps in solving, x+14=9+6x?

Solving equations when there are variables in the denominator?

why is 110 divisible by 10?

need help asap?

e^2x-4e^x+3=0 help please correct me if I'm wrong?

Plz solve this?

Write the expression as a single logarithm?

if 4m+3n=5, find the ratio m:n, 4m-3n=3?

Check whether p=5 is a solution of p+6=11?

if g(x)=1-3x and f(x)=9x^2-6x+5, determine value of f(5)?

There are 13 students in a class. 2 students pass. What is the percentage of students that pass?

Solve for x,2e^2x-8e^x+6=0?

How many days paid vacation do you get in a year ?

find and simplify the second derivative using derivative properties (revision help)?

What are the x and y intercepts of x^2 + (y-4)^2 = 9 ?

Solve this math problem?

If cos y + 3 = xy3 - 4x then find dydx?

(-3, -2) (-2, -3) (-4, -3) ?

A rectangular ink pad has a perimeter of 20 centimeters. Its area is 24 square centimeters. What are the dimensions of the ink pad?

geometry help?

what would the x intercept of f be from f (x) = 1 - e^x?

Calculus 12 question?

Probability for stats ?

Math help?

 A tape that records 1 hour and 30 mins on each side moves at 2 1/2 cm a  second through the tape player. How long, in meters, is the tape?

To determine whether (−1,4) is a solution to the equation 3x+8y=29, substitute blank for x and blank for y.?

Polygon where one side is 110°, the others are 5x° and 2x°. How do I find x?

What is the surface area and volume of the sphere shown below?

What is the volume of the cylinder shown below?

if y=1-tanx/1+tanx find dy?dx?

If 1/4 cup of brown rice is 160 calories, how many calories would be in 1 cup?

Find f ∘ g ∘ h. f(x) = 2x − 4, g(x) = sin(x), h(x) = x2 Help please!?

2a^2+5a+3?