09/29/23

find the midpoint of the angles

angle ACB is obtuse. D lies on the interior of angle ACB. angle ACE is straight. angle ACD and angle FCE are vertical. CB bisects angle ECD. m angle DCB = 55°. Find m angle ACD and m angle ACF. For... more

09/29/23

Calculus question

Each side of a square is increasing at a rate of 5 cm/s. At what rate is the area of the square increasing when the area of the square is 81cm^2.

Differential Calculus

Differentiate f(x)=-x3 - 2x2+1a. f'(x)=-3x2 - 2xb. f ' (x)= -3x2 - 4xc. f ' (x)= -2x2 - 4d. f'(x)=-3x2 + 2xe. f'(x)=3x2 - 2xIs there a way to do this on the ti-84 calculator? is so provide that... more

09/29/23

Reaction Time Physics│Please Help!

1.A ball rolls down a 4 m ramp in 8 s. What is the average velocity of the ball?2.A car is sitting at a red light. When the light turns green the car accelerates at 3 m/s^2. How long will it take... more

09/28/23

college mathematics

Hi, I am looking for a tutor who can help my son suffering from a college math course.It is EECS 203 - Discrete Mathematics for CS students in University of Michigan.I want somone who is familiar... more

09/28/23

Properties of Functions & Average Rate of Change

Find the average rate of change of f(x)=x3-8x+7over the following intervals:a: from -8 to -4b: from -1 to 1c: from 1 to 7

09/28/23

Determine the mass of 3.95 x 10^23 atoms Cl. Answer in units of g.

Determine the mass of 3.95 x 10^23 atoms Cl. Answer in units of g.

Quantitative Reasoning

A company has a policy of retiring company cars. This policy looks at number of miles driven, purpose of trips, style of car and other features. The distribution of the number of months in service... more

09/27/23

An 1450 kg automobile has springs with k= 1.2×10*4 N/m.

An 1450 kg automobile has springs with k= 1.2×10*4 N/m. One of the tires is not properly balanced; it has a little extra mass on one side compared to the other, causing the car to shake at certain... more

09/27/23

Reaction Time Physics│Please Help!

A rocket is fired straight up with an initial velocity of 400m/s. How long will it take the rocket to reach the maximum height AND what is the maximum height.

09/27/23

How far apart are they after 1.4 h? Answer in units of m.

Two airplanes leave an airport at the same time. The velocity of the first airplane is 740 m/h at a heading of 63.4 ◦ . The velocity of the second is 650 m/h at a heading of 184◦ . How far apart... more

09/27/23

Derivatives as a function

Find the derivative of f(x)= 8/x2 using the limit definition of the derivative.

09/27/23

Adding and Subtracting Rational Expressions

Simplify and reduce to the lowest terms, (Leave answer in factored form.)12 - ( 10 / x2 )

09/26/23

Physics problem-help needed, not sure what equations to use.

Small-plane pilots regularly compete in "message drop" competitions, dropping heavy weights (for which air resistance can be ignored) from their low-flying planes and scoring points for having the... more

09/26/23

Justify Solutions of an Equation (One Variable) helo

Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determine two values of xx that support your conclusion. \frac{x}{6}=-6

09/25/23

How do you calculate the weight of load needed on top of underground water tanks so that it will not float

Example you have a cube tank (1 cubic meter) and needed to bury the tank. How much weight needed on top so that it will not float in case there is flood.

09/24/23

Physics AP12d Kinematics

 An air-to-ground rocket is fired horizontally from an A-10 attack aircraft flying at 200 m/s. Immediately after leaving the jet, the rocket accelerates horizontally at a rate of 50.0 m.s^2 as it... more

09/24/23

Reflection Of A Point

What is the image of (8,-5) after a reflection over the y-axis?

09/22/23

Solve the following system of equations

Give the answer as an ordered pair. If infinitely many solutions, then enter x for x and give y as a function of x: 5x-4y=5-10x+8y=-10

09/22/23

need help with coming uo with the 0 they are placing in the equation

3x4 + x2 -4x +5-----------------------x2 +2x

09/22/23

Chapter 13 Question Help

 a) Write and balance the reaction for the complete combustion of heptane, C7H16. Explain the principle of how you chose the coefficients to balance the reaction.b) What would be the molarity of a... more

09/22/23

f you pick one fruit at random, what is the probability that it will weigh between 503 grams and 632 grams

A particular fruit's weights are normally distributed, with a mean of 566 grams and a standard deviation of 39 grams.If you pick one fruit at random, what is the probability that it will weigh... more

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