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All Questions
+0
230725 Questions
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277
1
Help
Find the sum of the solutions of 2x^2+7x-4=0
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Guest
Feb 9, 2021
0
355
1
can u help
Sunny goes mountain biking every Saturday. The trail is $96$ km long, and is uphill all the way to the top.
His uphill speed is $16$ km per hour slower than his normal speed.
His downhill speed
read more ..
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Guest
Feb 9, 2021
0
386
1
help needed
There are two numbers whose sum is 9 times their difference. And the difference of their squares is 81. Find the greater number.
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Guest
Feb 9, 2021
+1
437
3
+44
Help greatly needed
Find the least common multiple of and . This problem had been bugging me for a bit and I can't figure it out, if someone can help that would be great :)
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TC072
Feb 9, 2021
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285
1
algebra
\[\dfrac{2x+1}{(x+1)(x-3)(x+4)} = \dfrac{A}{(x+1)}\ + \dfrac{B}{(x-3)}\ + \dfrac{C}{(x+4)}\]
The above rational fraction is expressed in the form of partial fractions. Evaluate $A + B + C$.
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Guest
Feb 9, 2021
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392
1
composite figure
What’s the area of this composite figure?
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Guest
Feb 9, 2021
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490
1
parabolic path
You throw a ball toward a trash can. The ball follows a parabolic path through (10, 10), (−14, 10), and (20, 7). What is the equation of the parabolic path?
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Guest
Feb 9, 2021
0
561
1
If , where represents a base-8 digit (and represents a four-digit number whose second digit is ), then what is the
If , where represents a base-8 digit (and represents a four-digit number whose second digit is ), then what is the sum of all possible values of in base 10?
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Guest
Feb 9, 2021
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364
1
help please
The perimeter of a rectangle is 216 cm. The length is 8 times as long as the width. What is the width of rectangle?
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Guest
Feb 9, 2021
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373
1
need help with coordinates
Given line $x+2y=3$ intersects circle \[x^2+y^2+x-6y+a=0\] at $P$ and $Q$. If $O$ is the origin and $OP\perp OQ$, what is the value of $a$?
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Guest
Feb 9, 2021
0
384
1
welp
The terms of a particular sequence are determined according to the following rule: If the value of a given term $t$ is an odd positive integer, then the value of the following term is $3t -9$; if the value of a given term $t$ is an even positive integer,
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Guest
Feb 9, 2021
0
345
1
algebra
Rewrite the expression g^4 + 12g^2 + 9 - 10g^2 + 8 in the form c(g^2 + p)^2 + q. What is q?
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Guest
Feb 9, 2021
0
409
2
Algebra for a GEM sixth grader
Hue is arranging chairs. She can form 3 rows of a given length with 2 chairs left over, or 8 rows of that same length if she gets 13 more chairs. Complete the equation and solve it to find how many chairs are in that row length. In your equation, use the
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Guest
Feb 9, 2021
0
408
2
help me please
Two T-shirts and 4 pants cost $67.90. Five T-shirts and 9 pants cost $160.25. What is the cost of one pant?
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Guest
Feb 9, 2021
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232
0
probability
Randomly choose two numbers between 0 and 1. What is the probability that their average is no greater than 2/3 and no less than 1/3?
Guest
Feb 9, 2021
0
450
1
help me
In this triangle, what is the value of x? Enter your answer, rounded to the nearest tenth, in the box. x = yd A right triangle with one leg labeled x and the other leg labeled 40 yards. The angle that is opposite the leg labeled x yards is labeled 62 degrees.
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Guest
Feb 9, 2021
0
970
1
Evaluate the series $\dfrac{1}{3^1}+\dfrac{4}{3^2}+\dfrac{7}{3^3}+\dfrac{10}{3^4}+\cdots$.
1: Evaluate the series
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Guest
Feb 9, 2021
0
296
1
number theory
The sum of the digits of a two-digit nunber is 7. When you reverse the digits of the original number the new number is 27 more than the orginal number. What is the value of the original number?
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Guest
Feb 9, 2021
0
332
1
+130
graphs
Below is a portion of the graph of a function, y=u(x):
What is the exact value of u(-2.72)+u(-0.81)+u(0.81)+u(2.72)?
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mintjellyxd
Feb 9, 2021
0
267
1
i think this is a hard one idk
Below is a portion of the graph of a function, y=u(x):
What is the exact value of u(-2.72) +u(-0.81)+u(0.81)+u(2.72)?
read more ..
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Guest
Feb 9, 2021
0
338
1
+130
help graphs
Below is a portion of the graph of a function, y=h(x):
If the graph of y=h(x-3) is drawn on the same set of axes as the graph
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mintjellyxd
Feb 9, 2021
Feb 8, 2021
0
239
1
pls help with this problem ( just a hint is fine )
When $x = \frac{1}{8}$, evaluate the expression \[-x^\frac{1}{3} + \frac{1}{3}x^{-\frac{2}{3}} - \frac{2}{9}x^{-\frac{5}{3}}.\]
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Guest
Feb 8, 2021
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318
1
Find the measure of M
Find the measure of M
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Guest
Feb 8, 2021
0
312
1
my brain cant handle graphs lol
The graph of y=f(x) is shown in red below. Find f(2)
Assume grid lines are spaced 1 unit apart
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Guest
Feb 8, 2021
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