7,199 Answered Questions for the topic Math Help

Math Help Algebra Integers

09/16/20

Eighteen more than four times a number is equal to the difference between 172 and three times the number. What us the number?
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09/14/20

Math question: Exponential Equations using Logarithms

If someone may help me with this attached photo below, I'm having problems with this question and it's taking me a while to solve and I can't figure it out.
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09/03/20

a car traveled at a constant rate for 2 hrs. road construction forced the car 2 travel at 30 km/h less for nxt 30 min Thetotaldistancedrivenwas185 km.whatwastherateforeachpart? how far was each part?
PLEASE HELPI NEED ANSWER IN 54 MINS answer would be greatly appreciated
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09/03/20

two cars 275 miles apart r traveling towards each other. their avg speed differs by 10 mph. they'll meet in 2.5 hrs. what 's the avg speed for each car? how much of the distance will each car travel?

PLEASE HELP I NEED THE ANSWER WITHIN THE HOUR
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Math Help Math Algebra 2 Geometry

09/02/20

The length of the sides of a triangle are in the ratio 8:15: 17. Find the length of each side if the perimeter is 136 cm.

Help as soon as possible would be greatly appreciated.
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08/12/20

calculate when ball is at a specific height

given maximum height and when it hits the groundmaximum height = 14mhitting the ground again = 6s determine a quadratic equation in the form of ax^2+bx+ c = 0 that can be used to calculate when... more
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05/21/20

Math Problem with Standard deviation and Expected Time
A survey was done on a group of people that asked the time, , it takes them to commute to work, rounded to the nearest 10 minutes. Use the probability distribution table below to answer Part 1-2.X... more
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Math Help Math Mathematica Maths

05/17/20

PLEASE HELP ME SOLVE THIS QUESTION
Suppose that f : [0, 3] → R is continuous on [0, 3], differentiable on (0, 3) and f(0) = 0, f(1) = 1, f(3) = 1. Show that there exists c1 ∈ (0, 3) such that f'(c1) = 1. Show that there exists c2 ∈... more
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05/07/20

What is the percentage of people taking the test score between 370 and 592?
The mean is 592, the standard deviation is 111, it uses the 68–95–99.7 rule
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04/29/20

Regression Help
The following table gives information on the amount of sugar (in grams) and the calorie count inone serving of a sample of 13 varieties of Kellogg’s cereal. Sugar... more
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04/29/20

√3/2cis(2π/9)*√6/4cis(3π/2)
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04/23/20

Calculus question
The integral a=-5, b=5, ∫√(25−x^2)dx gives the area of a region R in the xy−plane.a) Identify and sketch the region R.b) Find the area of R using a known geometric formula, not by evaluating... more
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04/23/20

Calculus Question help
A particle moves along a line with velocity v(t) = cos(6πt) for 0 ≤ t ≤ 4.a) Find the displacement.b) Find the distance traveled
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04/23/20

Need help with this calculus problem
a) Which way is the particle moving vertically at time t = 2 seconds, up or down?b) At what rate is the y-coordinate changing at time t = 2 seconds?
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04/22/20

What are the fourth roots of -3+3√3i?
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04/21/20

Please, I need math help
Hi, I really need help on these problems:1. A point P moves along the curve in such a way that the y-coord is increasing at a constant rate of 0.06 units per second. Find the rate of change of the... more
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04/21/20

Math problem help!!
A student thinks that y=6+x means that y=6 and then you add x. What would you tell this student?
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04/20/20

On a unit circle, what is sin θ for coordinates (√2/2, -√2/2)?
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04/19/20

Math problem help!!!!
If 64 out of 200 people surveyed preferred tea, then how many people out of 1500 would be expected to prefer tea?show work to help thanks!!
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04/18/20

gears are connected by chain. The larger gear has a linear velocity of 12π/5 inches per sec. The angular velocity of the smaller gear is 32π/3 radians per min. What is the radius of the smaller gear?
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04/17/20

Calculus problem help
Approximate the change in the function that occurs as x changes from x=7 x=6.99.
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04/16/20

Calculus problem help
An object traveling on a line has velocity at time t, in meters per second, given by the function v(t)=e^t.
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04/16/20

Calculus word problem help please?
b)Findv(t), the velocity at time t.c)Find s(t), the height at time t.d)How high does it go?
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04/16/20

Calculus word problem help
The velocity at time t seconds of an object moving on a line is v(t) = 2cos(πt),with distance measured in meters. The position of the object at time zero seconds is 2 meters. Find the acceleration... more
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04/14/20

State the rational function you have created in factored form.[ie. h(x)=f(x)/g(x) ]
Important to noteRequired Characteristics1.) Has 2 vertical asymptotes 2.) Has a horizontal asymptote at y=03.) Has a positive y-intercept4.) Has a hole in the fourth quadrant5.) Passes through... more
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