10/22/16

Can't figure out why sign flips form plus to minus in algebra equation. Equation goes like this:
6=267a - 47b. We have figured out that b = (12 + 47a)/147. So we substitute: 6=267a - 47((12 + 47a)/147). We figure we can multiply both inside numbers by 47 and divide them by 147.... more
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10/20/16

Math question, please help!!
(1)a golfer's score of 2 under Par is represented by -2 on number line. How would a golfer's score of 2 over par best be represented?    +4 +2 0 -2       (2)Lake Eyre in Australia is... more
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10/18/16

Halloween Math Word Problems
 There are 13 witches, each has 7 sacks, in each sack are 7 cats, each cat has 7 kittens. How many legs?
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10/16/16

log (x3)+log (x4) / log(60x) = 5 x=
I can't seem to be able to put the answer on webworkk
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10/16/16

Help Please
A ball is thrown straight up, from 11 meters above the ground, with a velocity of 7 m/s. The equation below models the height of the ball:h = -4t^(2) + 7t +11a. Use the discriminant to determine... more
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10/11/16

Part 1: In how many years will the two investments be worth the same amount?
This question has two parts. Alice invests $5000 at Bob's bank and $8000 at Charlie's bank. Bob compounds interest continuously at a nominal rate of 8%. Charlie compounds interest continuously at a... more
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10/10/16

Solve the equation
5x-2(x+4)(x+2)=3(2x+1)
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10/05/16

Math problem
Jen owns a small business that sells only two products. It takes Jen six and a half hours to make a knit scarf and ten hours to knit a pair of gloves. It took Jen 906 hours to knit a total of 120... more
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10/04/16

Enter the simplified equation that represents the total number of laps Beth and Sherry swam
Beth and Sherry partnered together in swimming laps to raise money for the local food bank. Beth raised $15 plus $0.65 per lap that she swam. Sherry raised $10 plus $0.75 per lap that she swam.... more
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10/04/16

The digit in the units place of a number is equal to the digit in the ten place of half of that number and the digit in the ten place of that number is
doubt for word problem expertThe digit in the units place of a number is equal to the digit in the ten place of half of that number and the digit in the ten place of that number is less than the... more
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09/27/16

Find the average rate of change of the function from X=1 to X=3 using F(x)= 4- 5x
Find the average rate of change of the function from X=1 to X=3   Using F(x) = 4-5x   Average rate of change =  ?   Problem is asking for the exact number, no tolerance.   Thank You :-)....
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09/27/16

Find the difference quotient F (X+H) - F (X) / h for the following function F(x) = x^2-9x
Find the difference quotient F (X+H) - F (X) ALL OVER H.   Using function F (x) = x^2-9x       Getting stumped ?   Thank You ....
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09/27/16

find variable
Casey is retiring and has $2.5 million to invest in stocks and bonds. Casey estimates that the stocks will have an average return of 9.5% and the bonds will pay 7% simple interest. Casey wants... more
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09/26/16

Computing Grades In order to earn an A in Mr. Ortega’s Intermediate Algebra course, Mark must obtain an average score of at least 90. On his first four exams Ma
Computing Grades In order to earn an A in Mr. Ortega’s Intermediate Algebra course,Mark must obtain an average score of at least 90. On his first four exams Mark scored 94, 83, 88, and 92. The... more
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09/26/16

Solve the given problem.
Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 5.3 feet per second. Find a function, d(t),... more
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09/21/16

In exercises an equation of the form |f(x)| = |g(x)| is given.
a) Solve the equation analytically and support the solution graphically. b) Solve |f(x)|>|g(x)|. c)Solve |f(x)|<|g(x)|.   |x-1/2| = |1/2x-2|
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09/20/16

In a region where 48% of the population is male, there are 11 boys and 14 in a sample of children what is p and p^ for males, and p and p^ for females
This is a sample and population math question.
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09/19/16

A lumberjack cuts 7 pieces of equal length from a log. What is the change in the log's length after 7 cuts
the pieces of cut log are 2 and 1/4 ft
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09/19/16

there are 24 markers in 2 boxes of markers. which of the following expresses the ratio of markers to boes
 there are 24 markers in 2 boxes of markers. which of the following expresses the ratio of markers to boes
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09/16/16

Help Math 125
An object is dropped from 3636 feet below the tip of the pinnacle atop a 520520?-ft tall building. The height hh of the object after tt seconds is given by the equation h equals negative 16 t... more
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09/15/16

A class has 100 pupils. 69% take Maths, 79% take Physics, 89% take Chemistry and 99% take English I. At least x% studies all subjects. Find x.
The question is one take from Questions of the APMOPS Competition.
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09/14/16

These questions are pertaining to College Algebra
1) a^2 + b^2 = c^2, solve for b   2) Solve each equation: 3x^4 + 10x^2 - 25 = 0 (x+200)^2/3 = 36   (x-3)^2/5 = (4x)^1/5   3) Solve each equation:     7       +       19       = 6            ... more
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09/14/16

Triangle geometry
The sides of a triangle are formed by parts of the lines y+3x=11, 3y=X+3 and 7y+X=37   1)Find the coordinates of the vertices of the triangle.    2)Show that the triangle is right... more
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09/14/16

A triangle has vertices E(2,5), F(4,1) and G(-2,-3).
A triangle has vertices E(2,5), F(4,1) and G(-2,-3).   1) Find the midpoint of each side and hence find the equations of the three medians. (Medians are the lines from the midpoint of each side... more
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09/13/16

The given equation is either linear or equivalent to a linear equation. Solve the equation. (If there is no solution, enter NO SOLUTION.)
The given equation is either linear or equivalent to a linear equation. Solve the equation. (If there is no solution, enter NO SOLUTION.) 4/X-2=6/X+3
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