grif389

42 Questions
4 Answers

0

925

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 read more ..

grif389 Jan 5, 2019

0

791

2

+166

Help

If

then for how many values of x is f(f(x))=5?

grif389 Jan 5, 2019

0

955

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?

grif389 Jan 5, 2019

0

2156

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 read more ..

grif389 Jan 5, 2019

0

697

2

+166

Last one

Evaluate the sum

grif389 Dec 30, 2018

0

724

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 read more ..

grif389 Dec 30, 2018

0

853

1

+166

Urgent

Find the common ratio of the infinite geometric series:
5/6 - 4/9 + 32/135 - ...

grif389 Dec 30, 2018

0

1757

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 read more ..

grif389 Dec 30, 2018

0

760

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?

grif389 Dec 23, 2018

0

871

2

+166

Help

1. If x is a real number such that 2^(2x+3)=14, find 2^x.

grif389 Dec 23, 2018

+166

+1

never mind, got it.

grif389Aug 23, 2019