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All Questions
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234765 Questions
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409
2
Trig help pls?!?
compute the smallest positive real solution to the equation sin(7x) = cos (3x − π/14) + 2.
Hints/starting ideas would be appreciated.
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Guest
Jun 19, 2021
0
334
1
decimals
What is $0.4\overline{8} + 0.3\overline{7}$? Express your answer as a common fraction in lowest terms.
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Guest
Jun 19, 2021
0
349
1
Help pls
Let a, b, c, d, and e be positive integers. The sum of the four numbers on each of the five segments connecting "points" of the star is 28. What is the value of the sum a + b + c + d + e?
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Guest
Jun 19, 2021
0
239
0
Need help with coordinates
The equation of the line passing through (1,11) and (4,8) can be expressed in the form
x/a + y/b = 1.
Find a.
Guest
Jun 19, 2021
0
433
1
Polynomial
Find a monic cubic polynomial P(x) with integer coefficients such that $P(\sqrt[3]{4} + 1) = 0$. (A polynomial is monic if its leading coefficient is 1.)
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Guest
Jun 19, 2021
0
233
0
System
Let (x_1, y_1), (x_2, y_2), ..., (x_n, y_n) be the real solutions to the system
x + 8y = 7
x^3 + 8y^3 = 343/81
Enter x_1 + y_1 + x_2 + y_2 + ... + x_n + y_n.
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Guest
Jun 19, 2021
0
241
0
HElp pls
Find the sides of three different isosceles triangles satisfying both of the following conditions:
one of the sides has length 50;
the area of the triangle is equal to 1200;
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Guest
Jun 19, 2021
0
368
1
Hard algebra
Find a monic polynomial of degree 4, in x, with rational coefficients such that sqrt(2) + sqrt(5) is a root of the polynomial.
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Guest
Jun 19, 2021
0
310
1
Help probability
Rolling four standard dice, what is the probability that the product of the four results is a multiple of 3?
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Guest
Jun 19, 2021
0
285
1
help me pls thanks
In quadrilateral ABCD, AB = AC, AD = CD, angle B is 70 degrees, and angle D is 130 degrees. Please draw a diagram and find the measures of the other 2 angles of ABCD.
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Guest
Jun 19, 2021
0
387
2
Algebra
Let a and b be the solutions to 5x^2 - 11x + 4 = 0. FInd 1/a^2 + 1/b^2.
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Guest
Jun 19, 2021
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422
1
counting question
How many continuous paths from A to B, along segments of the figure, do not revisit any of the six labeled points?
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Guest
Jun 19, 2021
0
220
0
triangle geometry
In triangle JKL, we have JK = JL = 25 and KL = 32. Find the circumradius.
Guest
Jun 19, 2021
0
328
1
Trianlge geometry
In triangle ABC, point D divides side AC so that AD : DC = 1 : 2. Let E be the midpoint of BD and let F be the point of intersection of line BC and line AE. Given that the area of ΔABC is 400 cm2, what is the area of ΔEBA?
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Guest
Jun 19, 2021
0
234
0
math problem
Linda, Miah, and Noah are all wearing hats with numbers on them. Each person adds the two numbers on the other two hats, and they come up with the totals 11, 17, and 28. What is the largest number that is on a hat?
Guest
Jun 19, 2021
0
283
1
i need help!!!
Circle $A$ has its center at $A(4, 4)$ and has a radius of 4 units. Circle $B$ has its center at $B(12, 4)$ and has a radius of 4 units. What is the area of the gray region bound by the circles and the $x$-axis? Express your answer in terms of $\pi$.
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Guest
Jun 19, 2021
0
349
1
parabola
The parabola y=ax^2+bx+c is graphed below. Find a+b+c. (The grid lines are one unit apart.)
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Guest
Jun 19, 2021
0
237
0
parabola
The graph of y=ax^2+bx+c is given below, where a, b, and c are integers. Find a-b+c.
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Guest
Jun 19, 2021
0
487
1
+1693
Geometry
Square ABCD has an area of x cm2. An isosceles triangle AEF has an area of 1/4x cm2. Find the area of a quadrilateral ADGE as a fraction in terms of x.
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civonamzuk
Jun 19, 2021
0
376
1
counting
How many odd five-digit counting numbers can be formed by choosing digits from the set {1, 2, 3, 4, 5, 6, 7, 8} if digits can be repeated?
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Guest
Jun 19, 2021
0
303
1
help pls
Circle $B$ has its center at $(-6, 2)$ and a radius of $10$ units. What is the sum of the $y$-coordinates of the two points on circle $B$ that are also on the $y$-axis?
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Guest
Jun 19, 2021
0
245
0
help counting
Using the digits 1, 2, 3, 4, 5, how many even three-digit numbers less than 500 can be formed if each digit can be used at most once?
Guest
Jun 19, 2021
0
253
0
help
In quadrilateral ABCD, AB = AC, AD = CD, angle B is 70 degrees, and angle D is 130 degrees. Please draw a diagram and find the measures of the other 2 angles of ABCD.
Guest
Jun 19, 2021
0
401
1
pls help me :D
In quadrilateral ABCD, AB = AC, AD = CD,
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Guest
Jun 19, 2021
0
461
1
+37
Can I get help with 1 question?
Express as a common fraction.
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Skripple
Jun 19, 2021
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