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All Questions
+0
234795 Questions
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641
3
maximum value
What is the maximum value of x^2- 8x + 12?
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Guest
Jan 17, 2021
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374
1
help with geometry
In the figure, triangles ABC and BCD are equilateral triangles. What is the value of AD / BE when expressed in simplest radical form, where E is the midpoint of BD?
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Guest
Jan 17, 2021
0
330
1
domain
find the domain of the rational function
g(x)= 4x*(x+5)/(x-6)
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Guest
Jan 17, 2021
0
541
3
favorite number
Sophie's favorite number is a two-digit number. If she reverses the digits, the result is 63 less than her favorite number. The sum of the digits in her favorite number is 11. What is Sophie's favorite number?
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Guest
Jan 17, 2021
-1
599
2
Please help asap, tysm!
The complex numbers and satisfy and .
(a) Prove that and .
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Guest
Jan 17, 2021
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467
1
Data Managment
Justin recorded in this table the favourite type of food that his classmates enjoyed eating.
Type of Food Italian Greek Chinese Canadian Mexican Number 6 4 10 3 7
He used the data in the table to make this argument:
"Most
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Guest
Jan 17, 2021
0
627
1
Please help me with this problem, thank you.
All the roots of
x^2 + px + q = 0
are real, where p and q are real numbers. Prove that all the roots of
x^2 + px + q + (x + a)(2x + p) = 0
are real, for any real number a.
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Guest
Jan 17, 2021
0
547
1
please help
If and , then compute .
I've tried multiplying the equation out and then replacing all the with 1 but then I just end up with and I don't know what to do from there. Thanks!
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Guest
Jan 17, 2021
0
453
1
Biased or reliable?
To find out if customers are happy with the store hours, the Independent Grocer randomly surveyed 500 customers who bought groceries for one week.
Is this sample biased or reliable? Justify your answer.
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Guest
Jan 17, 2021
-1
610
1
+31
help asap tysm!!!
Ms. Q gave Grogg the following problem: "License plates in Aopslandia consist of six upper-case letters. For example, two possible Aopslandian license plates are $ABCDEF$ and $AAAOPS.$ No two license plates are the same. How many possible Aopslandian license
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skc123
Jan 17, 2021
0
463
1
Help and tell me how you did it
125% of n is 30 what is 25% of n
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Guest
Jan 17, 2021
0
453
1
algebra
Ben is climbing a tree with a lot of branches. His height off the ground at time t is t^2-5t+29 feet. To the nearest foot, what will his minimum height be?
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Guest
Jan 17, 2021
0
520
1
I'm confused as to what formulas to even use for this question
If a planet was located approximately 31 thousand light-years from the center of a galaxy and orbits that center once every 286 million years, how fast is the planet traveling around the galaxy in km/hr? If needed, use 3.0 × 108 m/s for the speed of light.
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Guest
Jan 17, 2021
Jan 16, 2021
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479
1
base conversion
Convert each of the following fractions to a "decimal" in the specified base.
Convert the fraction 1/7 to base 6
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Guest
Jan 16, 2021
0
346
3
angle bisectors
In triangle ABC, angle bisectors AD,CF and BE meet at I. If DI=3, BD=3, and BI=6, then compute the area of triangle ABC.
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Guest
Jan 16, 2021
0
503
2
Help
Solve the following percent puzzle, entering each square of the completed puzzle in the corresponding box below.
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Guest
Jan 16, 2021
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278
0
complex numbers
Find all complex numbers z such that |z - 3| = |z + i| = |z - 1 - 2i|.
Guest
Jan 16, 2021
0
421
1
help coordinates
A circle Gamma is tangent to the line y = -2 and also externally tangential to the circle x^2 + y^2 = 1. Given that the center of Gamma is O = (16,a), what is the value of a?
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Guest
Jan 16, 2021
0
479
2
midpoint
In triangle ABC, D is the midpoint of BC. Given that AB=3cm, AC=5cm and BC=7cm, find AD.
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Guest
Jan 16, 2021
0
450
1
trig equation
Find the measure, in degrees, of the smallest positive angle theta for which sin (3 theta) = cos (6 theta).
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Guest
Jan 16, 2021
0
282
0
base numbers
What is the average of all positive integers that have four digits when written in base 3, but three digits when written in base 6? Write your answer in base 10.
Guest
Jan 16, 2021
0
453
1
i need help with logs
If $\log _{ 16 }{ 49 } =a$ and $\log _{ 7 }{ 2.5 } =b$
then ${ 4 }^{ ab+1 }\quad =\quad ?$
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Guest
Jan 16, 2021
+1
253
0
I found a great resource for anyone who is in middle school
https://artofproblemsolving.com/videos
Guest
Jan 16, 2021
0
420
1
need to find area
The area of the gray rectangle is 40 m^2. Find the area of the regular hexagon in square meters.
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Guest
Jan 16, 2021
-1
1246
3
pls help
1. Find the equation of the axis of symmetry of the graph of $y = (x + 3)^2 - 5$.
2. The x intercepts of the parabola y=2x^2+13x-7
are at (p,0) and (q,0) Find p and q
Enter your answer in the form "p, q
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Guest
Jan 16, 2021
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