7,221 Answered Questions for the topic Math Help
Math Help
02/27/18
Combine (log(base)2)(3))-(3log(base)2)(x))+(1/2log(base)2)(x+1))
I need help combining, sorry if there is some confusion with the structure of it. there's no way for me to put it in any other form. All of them are base 2.
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Math Help
02/27/18
Find a function which shifts to the left 3 units, upward 2 units, reflects about x-axis, and then shrinks vertically 1/2-unit of y=ln^x
I need help on shifting, reflecting, and shrinking y=ln^x
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Math Help
02/27/18
probability
A spinner has 10 equally sized sections, 2 of which are gray 8 and of which are blue. The spinner is spun twice. What is the probability that the first spin lands on blue and the second spin...
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Math Help
02/27/18
probability occuring
A radio disc jockey has 7 songs on this upcoming hour's playlist: 2 are rock songs, 3 are reggae songs, and are country songs. The disc jockey randomly chooses the first song to play, and then she...
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Math Help
02/27/18
Compute the probability of each of the following events:
An ordinary (fair) die is a cube with the numbers through on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two...
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Math Help
02/27/18
find the length of each side. Note that the figure is not to the scale.
The perimeter of a geometric figure is the sum of the lengths of its sides. If the perimeter of the pentagon (five-sided figure) to the right is 112 meters, find the length of each side. Note that...
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Math Help Math Word Problem
02/26/18
60 liters of a 70% acid solution. He currently has a 50 % solution and a 80 % solution. How many liters needed 60 liters of 70 acid solution?
Gabe Amodeo, a nuclear physicist, needs 60 liters of a 70% acid solution. He currently has a 50% solution and a 80% solution. How many liters of each does he need to make the needed 60 liters of...
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Math Help
02/26/18
When 23 is subtracted from 3 times a certain number, the result is 31. What is the number?
it is the same question as above.
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Math Help
02/26/18
An older person is 7 years older than four times the age of a younger person. The sum of their ages is 17. Find their ages.
it is the same question as above.
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Math Help
02/26/18
The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value? 1
The function f(x) = 2x2 + 3x + 5, when evaluated, gives a value of 19. What is the function’s input value?1
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Finding the endpoint
if T (6, 2) is an endpoint of segment TR & M (-1, 0) is the midpoint of segment TR, then what are the coordinates of R, the other endpoint
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02/26/18
solving by formula
So the formula i was given was this:
x= -b± root b^2 -4ac /2a
for the equation ax^2+bx+c=0
and idk how to plug this into it
2x^2 +1 = 7x
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Math Help
02/25/18
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.65 before the discount. The family is planning to leave a
20% tip. Taxis 9%. what is the total cost of the meal? with description PLEASE!!!!!!!!!!!!!!!!!!!!
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Math Help
02/25/18
Steven earns extra money babysitting and charges $17.25 for three hours and $40.25 for seven hours. Enter an equation that represents the relationship where
X represents the number of hours Steven babysits and Y represents the amount he charges
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Math Help
02/25/18
Kevin purchased n notebooks they were 4 dollars each wrote an equation to represent the total cost That Kevin paid
N notebooks each cost 4 dollars each
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Math Help Math Word Problem
02/25/18
a cuboid has a volume of 96cm3 if the length width and hight are all whole numbers how many sets. of numbers can you have that work?
ok so I managed to do it with the other numbers but it took me a very long time what method would you suggest?
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Math Help Math
02/24/18
Write the range of H using set notation
The function h is defined as follows for the domain given.
h(x)=2-2x
domain {-1,0,1,2}
Write the range of H using set notation
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Math Help
02/24/18
what two reasons why was Japan often isolated from the other countries?
what are two reasons japan isolated the other countries
Math Help Volume Of A Cylinder
02/23/18
The volume of this cylinder is 8,167.14 cubic centimeters.The height is 9 centimeters. What is the radius?
The volume of this cylinder is 8,167.14 cubic centimeters. What is the radius? Use 𝜋 ≈ 3.14.
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Math Help
02/23/18
the elevation in denver colorado is 13 times greater than that of waikapu, hawaii. the sum of their elevations is 5600 feet. find the elevation of each city
I do not have to solve the problem but I need to declare the variables I would use to solve it and also formulate a system of 2 equations that could be used to solve it
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Math Help
02/23/18
two angles are suppkementary. the measure of the first angle is 10 degrees more than three times the second angle. find the measure of each angle
i need to declare the variables I would use to solve the problem and formulate a system of two equations that could be used to solve each problem. I do not need to solve the problems
Math Help Math
02/23/18
Starting with 145 grams of a radioactive isotope, how much will be left after 4 half lives?
The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 145 grams of a radioactive isotope, how much will be...
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