1,067 Answered Questions for the topic Algebra Help
10/05/14
To earn an A in a course, you must have a final average of at least 90%. On the first four examinations, you have grades of 86%, 88%, 92%, and 84%.
If the final examination counts as two grades, what must you get on the final to earn an A in the course?
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10/05/14
A local bank charges $8 per month plus 5 cents per check. The credit union charges $2 per month plus 8 cents per check.
How many checks should be written each month to make the credit union a better deal?
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10/05/14
The formula for converting Fahrenheit temperature, F, to Celsius temperature, C, is C=(5/9)(F-32).
If Celsius temperature ranges from 15 to 35 degrees, inclusive, what is the range for the Fahrenheit temperature? Use interval notation to express this range.
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Algebra Help Factoring
10/03/14
factor completely...
x^3+x^2-64p^3-16p^2
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Algebra Help Factoring Trinomials
10/01/14
factor the trinomial
21x^2y^2+2xy-8
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Algebra Help Factoring
10/01/14
factor the polynomial....
m^2-6m+9-n^2+14n-49
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10/01/14
a number is three less than four times another number . their sum is one hundred two. what are the numbers
algebra word problem
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Algebra Help
09/30/14
Select the appropriate values of x that are solutions to f(x)=0, where f (x) =-9x^2 +2x+4
A:{0.56,0.79}
B:{-9,2}
C:{-0.22,-0.44}
D:{-2.25,0.50}
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Algebra Help
09/30/14
Select the appropriate values of x that are solutions to f(x)=0, where f(x)=-6x^2 +8x+3
A: {1.64,-0.31}
B: {-6,8}
C: {-1.33,-0.50}
D: {-2.00,2.67}
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Algebra Help
09/30/14
Select the appropriate values of x that are solutions to f(x)=0, where f(x) =-8x^2 +4x+3
A: {-2.67,1.33}
B: {-8,4}
C: {-0.50,-0.38}
D: {-0.41,0.91}
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Algebra Help
09/30/14
Linda had 60 fliers to post around town. Last week, she posted 1/4 of them. This week, she posted 1/5 of the remaining fliers. How fliers has she not posted?
Not entirely sure how to solve the problem.
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Algebra Help
09/30/14
a chemist needs 13 liters of a 10% acid solution. how much of a 5% solution should be mixed with a 31% solution to get that.
a chemist needs 13 liters of a 10% acid solution. How much of a 5% solution should be mixed with a 31% solution to get that?
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Algebra Help Factoring
09/29/14
factor out the greatest common factor....
simplify the factors if possible
3(a+d)^3-15(a+d)^2-6(a+d)^4
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An auto race consists of 8 laps. A driver completes the first 3 laps at an average speed of 185 miles/hour and the remaining laps at an average speed of 200 mil
An auto race consists of 8 laps. A driver completes the first 3 laps at an average speed of 185 miles/hour and the remaining laps at an average speed of 200 miles/hour. If d represents the length...
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Algebra Help
09/21/14
square root of 10 4/7
Can you please help me figure out what the square root of 10 4/7 is please?
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Sales for a business were 3 million dollars more the second year than the first, and sales for the third year were double the sales for the second year.
If sales for the third year were 38 million dollars, what were sales, in million of dollars, for the first year? Explain your process.
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Algebra Help
09/17/14
(2k to the 3rd - 24k to the 3rd+79k-56) / (k-7)=
(2k3-24k2 79k-56)/ (k-7)
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09/16/14
y=9, when x=7
If y varies inversely as x, write the general formula to describe the variation.y=9, when x=7a. y=x/63b. y= (9/7)xc. y= (1/63x)d. y= 63/x
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Algebra Help
09/15/14
its in description
for the indicated functions f and g, find the functions f°g and g°f and find their domains
f(x) = √¯¯x¯¯; g(x) = x - 4
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Need help with this math problem please
Grandma Hooper always made dumplings for her grandchildren for Sunday dinner. She made enough so that each child got three. But today, when she put the dumplings into the serving bowl, she realized...
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Algebra Help
09/12/14
What is the optimum value of x?
There is a title search company. On average each search lasts 65 minutes. The cost per search is $210. Total cost per search = $210+0.75x^2-9x x= reduction of searchtime The company charges $600...
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I don't know what B is, help me out?
Given the polynomial function p(x)=2x^5 − 4x^4 − x^3 + 2x^2 + 3x − 6, p(2) = __A__ which means that __B__ _[IS/IS NOT]_ a factor of p(x).Enter your answers as the number, expression, and...
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Can someone please help me with this?
Which of the expressions below is a sum or difference of cubes?There may be more than one correct answer. Be sure to select all that apply.
8m^5-12n^3
p^15+8q^12
64a^6-343b^12
64y^3+27y^6
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Can someone help me figure this out?
Which parent function(s) has/have a domain of all real numbers? There may be more than one correct answer. Select all answers that apply.
Cubic, f(x)=x^3
Quadratic, f(x)=x^2
Square root,...
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Can someone please help me with this?
The amount of money that Gabriel made by working for h hours at his part-time job this week is represented by the expression 11.25h + 60. What could the number 60 represent in the expression?
A....
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