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Post New Question
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230606 Questions
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187
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+66
please help asap
Carson is planning to buy and install new tires and rims on his car. The cost is $1150, which he will use credit to pay. He wants to pay off the loan in 6 months and has two credit options
• The tire shop has financing at 16.8%, compounded
read more ..
marky
Jan 21, 2022
0
268
1
Coordinates
A point (3*sqrt(5), d + 6) is 3d units away from the origin. What is the smallest possible value of d?
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Guest
Jan 21, 2022
0
209
1
Geometry
Let AB be a diameter of a circle, and let C be a point on the circle such that AC = 8 and BC = . The angle bisector of ACB intersects the circle at point M. Find CM.
read more ..
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Guest
Jan 21, 2022
+1
297
2
help with geometry
In the diagram below, angle PQR = angle PRQ = angle STR = angle TSR, RQ = 8, and SQ = . Find PQ.
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Guest
Jan 21, 2022
0
158
0
Algebra
Let a be a positive real number such that all the roots of x^3 + ax^2 + ax - 2a - 1 = 0 are real. Find the smallest possible value of a.
Guest
Jan 21, 2022
0
156
0
Counting
A committee is to be made up from a group of 10 candidates. The committee must consist of a chairperson, vice-chairperson and some (not necessarily nonzero) number of members-at-large. How many ways can the committee be chosen?
Guest
Jan 21, 2022
0
160
0
Number Theory
Given that x is a positive integer less than 6, how many values can k take on such that 3x = k (mod9) has no solutions in x?
Guest
Jan 21, 2022
-2
394
0
precalc
In triangle ABC, $\angle BCA = \pi/6$, AB = , and AC = 10.
Find the sum of all distinct possible values of BC. If there are no possible values, enter 0.
Guest
Jan 21, 2022
0
286
1
precalc
Find the 3 smallest positive x-intercepts of the graph of y = cos (12x)
and list them in increasing order
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Guest
Jan 21, 2022
0
164
0
trig question
The value tan(7.5) can be expressed in the form sqrt(a) - sqrt(b), where a and b are positive integers. Find a + b.
Guest
Jan 21, 2022
0
201
1
trig
In right triangle BCD with angle D = 90 , we have BC = 8 and BD = . Find sin B.
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Guest
Jan 21, 2022
0
179
0
Math problem
How many numbers can be expressed as the sum of two or more distinct elements of the set ?
Guest
Jan 21, 2022
+1
284
1
Geometry
Circles A, B, and C are externally tangent to each other. If AB = 14, BC = 18, and AC =, then find the radii of each of the circles.
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Guest
Jan 21, 2022
0
172
0
Precalc
In right triangle ABC, we have AB = 10, BC = 24, and ABC = 90 degrees. If M is AC on such that is an angle bisector of ABC, then what is cos ABM?
Guest
Jan 21, 2022
0
307
2
Proportion (reposted)
Keith had 60 tokens when he went to the arcade, when he left the arcade he had 25. What percent of his tokens did he use? (Round to the nearest percent)
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Guest
Jan 21, 2022
0
164
0
Number Theory
If a and b are positive integers such that gcd(a,b)=210, lcm[a,b]=210^2, and a < b, how many possible values are there for a?
Guest
Jan 21, 2022
0
210
1
factorize
Factorize px-qx +2p-2q.
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Guest
Jan 21, 2022
0
278
1
Counting problem
How many cubic (i.e., third-degree) polynomials f(x) are there such that f(x) has nonnegative integer coefficients and f(1) = ?
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Guest
Jan 21, 2022
0
297
1
Binomial theorem
What is the coefficient of x^3 in the expansion of (x + 2*sqrt(3))^5?
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Guest
Jan 21, 2022
0
299
1
need help
r and s are the roots of 3x^2 + 4x - 12 = 0. Find r^2+s^2+2rs
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Guest
Jan 21, 2022
0
202
0
Coordinates
The equation of the line passing through (1,11) and can be expressed in the form
x/a + y/b = 1.
Find a.
Guest
Jan 21, 2022
0
290
1
Geometry
Semi circles are constructed on the three sides of a triangle as shown below. Find the area of the shaded region
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Guest
Jan 21, 2022
0
166
0
Algebra
Given p/q = 5/6, q/r = 7/10, and r/s = 9/4, find
(p - q)/(q - r) and (2q - r)/(r + s)
Guest
Jan 21, 2022
0
285
2
System
Find the ordered triple, (p,q,r)
p + 2q = 0
q - 2r = 0
read more ..
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Guest
Jan 21, 2022
0
286
1
Ratios
A bag contains yellow, green, blue, and white marbles in the ratio . If the bag contains 18 green marbles, then how many blue marbles are there?
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Guest
Jan 21, 2022
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