322 Answered Questions for the topic Help

01/22/19

I need major help on this word problem

In a triangle, the measure of the first angle is twice the measure of the second angle.The measure of the third angle is 8 degrees less than the measure of the second angle. What is the measure of... more

01/18/19

Find a formula for R (subscript) N for the function f(x) = x^2 on [0, 1] in terms of N.

Then compute the area under the graph as a limit.
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01/17/19

List in order the eight levels of classification beginning with the least specific level

Beginning with the least specific level and ending with the most specific level

A car traveling 25 m/s begins to decelerate at a constant rate of 8 m/s^2

After how many seconds does the car come to a stop?How far will the car have traveled before stopping?
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01/13/19

the proper angle for a ladder is about 75 degrees from the ground. Suppose you have a 6 feet ladder. How far from the house should you place the base of the ladder

the proper angle for a ladder is about 75 degrees from the ground. Suppose you have a 6 feet ladder. How far from the house should you place the base of the ladder

01/13/19

Probability (GEOMETRY)

A meeting takes place between a diplomat and fourteen government officials. However, four of the officials are actually spies. If the diplomat gives secret information to ten of the attendees at... more
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01/10/19

I can't figure this value mixture problem out.

At the movie theatre, child admission is $6.10 and adult admission is $9.20. On Thursday, four times as many adult tickets as child tickets were sold, for a total sales of $1544.40. How many child... more

01/09/19

Help with complex numbers

Hello i'm getting ambiguity with the expression 1^i. 1 can be written as e^0 or e^(2pi*i) this leads to confusion because solving (e^0)^i, I obtain 1 and I simplify e^(2pi*i)^i and obtain e^(-2pi)... more
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01/08/19

If there are 900 peanuts for 60 dollars how much is one peanut cost

MATHS INVERSE TRIGNOMETRY PRINCIPAL VALUES

For finding the principal value,in this question:Find the principal value of cot-1(-1/√3)The answer is cot(π-π/3) which is cot (2π/3)why is it not just -π/3?In a similar question, Find the... more

12/15/18

Math word problem need help please thanks

A colony of 70,300 bacteria doubles in size every 160 minutes. What will the population be 480 minutes from now?

12/12/18

As a sample of water turns to ice ?? Please help!

Q. As a sample of water turns to ice? A. New molecules are formedB.the mass of the sample is increased C.The arrangement of molecules changeD.Energy is absorbed by the molecules
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12/12/18

Math seventh grade

What is the circumference and area of a circle with a radius wig 4 meters?

12/10/18

middle school math. Help?!

Separate 84 into two parts so that one part is 9 less than twice as much as the other. Find each part.
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12/04/18

winston spent the day at the mall.

winston spent the day at the mall. FIrst he bought six jackets for 45.00 each. LAter he returned 5 of the jackets. AFter that he found a five dollar bill. What is the total change to Winston's... more
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12/02/18

lesson canceled

hi i had a lesson but canceled still shows on my lessons

Geometric sequence

 Let x-2, x, x+3 be the first 3 terms of a geometric sequence. Find the value of x.. Please help, been trying to do this for hours and cant come uyp with a good answer, any help would be extremely... more

11/09/18

Hi am new to javascript and would like to know what I did wrong

var User = prompt('Pick Temp Username');//Page always shows the Null message even if the user put something in the boxif (User =! null){document.write('User didnt put username');}else... more

10/22/18

elasticity of demand help

Elasticity of demand..compute elasticity of demand for the given demand function. is it elastic, inelastic, or of unit elasticity at the indicated price p D(p)= -1.5p+25; p=12

CHEMISTRY PLEASE HELP?!!!Determine the molar mass of a compound - given freezing point and masses of components in a solution?

A company is studying the use of a compound as a potential antifreeze. When 0.243 g of the compound is dissolved in 25.0 g of water, the freezing point of the solution is -0.201 * Celsius.   a.... more

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