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grif389
Username
grif389
Score
166
Membership
Stats
Questions
24
Answers
4
42 Questions
4 Answers
0
964
2
+166
pls help
The teacher has written a quadratic on the board, but Heather can't read the linear term. She can see that the quadratic term is 4x^2 and that the constant is -24. She asks her neighbor, Noel, what the linear term is.
Noel decides to tease her and
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grif389
Jan 5, 2019
0
824
2
+166
Help
If
then for how many values of x is f(f(x))=5?
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grif389
Jan 5, 2019
0
968
2
+166
help
The x-intercept of a positively-sloped line is -5, and the area of the triangle formed by the line, the x-axis, and the y-axis is 10. What is the slope of the line?
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grif389
Jan 5, 2019
0
2175
1
+166
help
Anna starts playing marbles with 5 small marbles which are worth 25 cents each and 8 large marbles which are worth k cents each. She trades 3 large marbles for 1 large marble and 6 small marbles. Finally, she gives Henry 4 small marbles. In cents, what
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grif389
Jan 5, 2019
0
733
2
+166
Last one
Evaluate the sum
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grif389
Dec 30, 2018
0
768
1
+166
Help please
If x, y, and z are positive real numbers satisfying:
log x - log y =a
log y - log z = 15
log z - log x = -7
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grif389
Dec 30, 2018
0
891
1
+166
Urgent
Find the common ratio of the infinite geometric series:
5/6 - 4/9 + 32/135 - ...
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grif389
Dec 30, 2018
0
1765
2
+166
Help
The graphs of a function f(x)=3x+b and its inverse function f^-1(x) intersect at the point (-3,a). Given that b and a are both integers, what is the value of a?
Find the common ratio of the infinite geometric series:
5/6
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Omi67
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grif389
Dec 30, 2018
0
802
2
+166
help
Given positive integers x and y such that x doesn't equal y and 1/x+1/y=1/12, what is the smallest possible value for x+y?
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grif389
Dec 23, 2018
0
887
2
+166
Help
1. If x is a real number such that 2^(2x+3)=14, find 2^x.
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grif389
Dec 23, 2018
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latest
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#1
+166
+1
never mind, got it.
grif389
Aug 23, 2019