04/11/23

Counting Discrete Math
Consider the equation a + b + c = 202. How many solutions are there where a,b, and c are all nonnegative integers?
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04/11/23

Sine and Cosine Functions
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 50 degrees at midnight and the high and low temperature during the day are 63 and 37... more
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04/11/23

Solve 4 cos (5x)=3 for the smallest three positive solutions.
How would I solve this? If positive, please explain how you found your answer.
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04/10/23

systistics question
Suppose that shoe sizes of American women have a bell-shaped distribution with a mean of 8.478.47 and a standard deviation of 1.51.5. Using the empirical rule, what percentage of American women... more
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04/08/23

Did I do this correct? If not, what is the correct way to solve it?
An aluminum calorimeter with a mass of 100 g contains 250 g of water. The calorimeter and water are in thermal equilibrium at 10.0°C. Two metallic blocks are placed into the water. One is a 75.0-g... more
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04/08/23

It takes a physics student 3hrs to travel Toronto to Waterloo at the rate of 96km/h then takes her 2 hrs to travel back what was the speed on her way back
this is from Grade 11 kinematics, please give me the whole answer
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04/07/23

characteristics of a graph

Below is the graph of the function . If 1. For what value(s) of x will g(x) have an extremum? Identify maximum or minimum.2. For what value(s) of x will g(x) have a point of inflection?3. Where... more
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04/07/23

What is the next fraction in this sequence? Simplify your answer.

What is the next fraction in this sequence? Simplify your answer. 2 387  ,   2 129  ,   2 43  ,   6 43  ,  ...
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04/07/23

local linear approximation

Find the local linear approximation of f(x)=1/x at x= 1
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04/07/23

use newtons method

Using Newton's Method to solve , with an initial approximation of , the value of  (to 4 decimal places) is:
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04/07/23

Value of slope field

If dy/dx=-(xy^2)/(e^(3-x)) what is the value of the slope field at the point (3,-1)
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04/07/23

value of slope field

If , what is the value of the slope field at the point (2,3)?
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04/07/23

Linearization of a function

Find the linearization of the function f(x)=x^4+3x^2 at x=-1
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04/06/23

I need some help on this question, i dont quite understand

If 1.70 g of Nitrogen react with 1.09 g of hydrogen to produce ammonia, what is the limiting reactant and what mass of ammonia is produced?a. Hydrogen is the limiting reactant and 0.22g of ammonia... more
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04/06/23

I need some chemistry help,. I dont understand this question
How many sodium ions are present in 325 mL of 0.850 M Na2SO4?a. 5.12 x 10^23 Na ionsb. 8.32 x 10^22 Na ions c. 1.02 x 10^24 Na ions d. 3.33 x 10^23 Na ionsAnything will help!!!
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04/06/23

Stuck on chemistry homework problem

How many moles of magnesium bromide would you need to add to 65 mL of water to make a 1.5 M solution?
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04/05/23

How do I solve this?
The velocity function (in meters per second) is given for a particle moving along a line.v(t) = 3t − 7,    0 ≤ t ≤ 4Find the displacement (in meters). I found the displacement to be -4 meters. How... more
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04/05/23

dynamics cart question
A dynamics cart is pulled from rest by a net force of 1.2 N [forward]. The cart moves 6.6 m, reaching a velocity of 3.2 m/s [forward]. Determine the mass of the cart.
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04/05/23

Can someone explain this please?
The acceleration function (in m/s2) and the initial velocity v(0) (in m/s) are given for a particle moving along a line. a(t) = 2t + 2,    v(0) = −15,    0 ≤ t ≤ 5I found the velocity (in m/s) at... more
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04/04/23

What is work and distance of the book?
A 20 kg box is pushed from rest to find a velocity of 8 m/s. If the force pushing the book is 10 N, how far does the book travel?
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04/04/23

Please help with prject

Project MAT 115 Due: April 4th , 2023                              A study on 50 student regarding # of hours they study Mathematics per week versus their test scores is given at the... more
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04/04/23

What is the wavelength for an FM radio signal if the number on the dial reads 101.8 MHz?
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04/04/23

The compound eyes of bees and other insects are highly sensitive to light in the ultraviolet portion of the spectrum, particularly light with a frequency between 7.4 ✕ 1014 Hz and 0.96 ✕ 1015 Hz.
To what wavelengths do these frequencies correspond?a.) The lower wavelength is:b.) The upper wavelength is:
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04/04/23

How fast do radiowaves travel in a vacuum?
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04/04/23

acceleration and distance

A particle moving along the x-axis has acceleration given by . If the particle is initially at rest at the coordinate x = 3, what distance does it move in its first 4 seconds of motion?
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