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Post New Question
All Questions
+0
237665 Questions
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607
3
help geometry
Triangle ABC is isosceles with AB = BC. If AC = 20 and ABC = 240, then find the perimeter of triangle ABC.
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Guest
Jun 19, 2020
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1776
1
A ball is thrown in air and it's height, h(t) in feet, at any time, t in seconds, is represented by the equation h(t)=−4t2+16t. When is the
A ball is thrown in air and it's height, h(t) in feet, at any time, t in seconds, is represented by the equation h(t)=−4t2+16t. When is the ball higher than 12 feet off the ground?
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Guest
Jun 19, 2020
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1248
0
+98
How is the product of a complex number and a real number represented on the coordinate plane?
How is the product of a complex number and a real number represented on the coordinate plane?
a. When 6 + 4i is multiplied by 3, the result is 18 + 12i. Graphically, this shows that the product is a scalar and a 90° counterclockwise rotation
read more ..
ocmaz
Jun 19, 2020
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1361
1
+98
What angles are coterminal to an angle measuring −5π/3 or 8π/7?
What angles are coterminal to an angle measuring −5π/3 or 8π/7?
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ocmaz
Jun 19, 2020
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632
0
+98
What is the component form of the vector represented by 8a when a⃗ =〈−5,3〉?
What is the component form of the vector represented by 8a when a⃗ =〈−5,3〉?
ocmaz
Jun 19, 2020
0
1272
1
+98
please help me
Consider △ABC, where a = 7, c = 10, and m∠C=38∘.
What are the measures of the missing angles and missing side?
Enter your answer by filling in the boxes. Enter all values rounded to the nearest tenth.
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ocmaz
Jun 19, 2020
0
1005
1
+98
prove the trigonometric identity.
prove the trigonometric identity.
cscx cosx / tanx + cotx = cos^2 x
Drag an expression to each box to correctly complete the proof.
read more ..
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ocmaz
Jun 19, 2020
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677
0
+98
Which equation is the polar equivalent to the equation y=√3x?
Which equation is the polar equivalent to the equation y=√3x?
a. θ=π/6
b. θ=π/3
c. θ=2π/3
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ocmaz
Jun 19, 2020
+1
589
3
help
Find the shaded area.
Note: The shaded area is a rectangle.
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Guest
Jun 19, 2020
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555
1
geometry
Simplify
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Guest
Jun 19, 2020
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582
1
Help Needed.Only 2 questions. Heureka can you help me?
Directions: Reference the number line to solve each question. Some fractions may need to be simplified or, when turned into a percent, rounded to the nearest percent.
read more ..
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Guest
Jun 19, 2020
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433
0
help
Once upon a time, there was a merchant selling livestock in a market: hens, pigs, and ducks. Each hen cost 27 shillings. Each p*g cost 29 shillings. Finally, each duck cost 34 shillings.
Then there were three farmers coming to buy these animals
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Guest
Jun 19, 2020
0
583
1
help
What is the remainder when 7^{42} is divided by 16?
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Guest
Jun 19, 2020
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570
1
helppp!
I have got 100 lamp bulbs with 100 switches. Initially all switches are turned off. After that I change the position of each switch. After that I change the position of each second, third, fourth... hundredth switch. How many bulbs will light up?
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Guest
Jun 19, 2020
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594
3
Halp!
1. Find constants A and B such that for all x such that x ≠ -1 and x ≠ 2. Give your answer as the ordered pair (B,C).
2. Suppose that What is the maximum possible value
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Guest
Jun 19, 2020
0
596
3
+866
i need some help!
Find all values of t such that . If you find more than one value, then list the values you find in increasing order, separated by commas.
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AnimalMaster
Jun 19, 2020
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598
2
help
Compute
Note: The denominators follow a quadratic function.
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Guest
Jun 19, 2020
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571
1
help
x is a real number such that x - 1/x = 3. Find all possible values of x + 1/x.
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Guest
Jun 19, 2020
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573
1
help
If ab = 15 and a^2 + b^2 = 40, then find the value of (a + b)^4 - (a - b)^4.
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Guest
Jun 19, 2020
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530
1
help
How many coins do you need to move in the diagram on the left to make it look like the diagram on the right?
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Guest
Jun 19, 2020
0
467
1
help
The diagram above shows how an equilateral triangle can be cut into four pieces and rearranged to form a square.
If the length of the square is 1327, find the length of the triangle, correct to the nearest whole number.
read more ..
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Guest
Jun 19, 2020
0
867
2
ahhhhh help :0
Triangle xyz is equilateral, with o as its center. A point p is chosen at random, inside the triangle. Find the probability that point p is closer to point o than to any of the vertices. (In other words, find the probability that xp is shorter
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Guest
Jun 19, 2020
+1
635
1
+5
No answers just hints please
Angle bisectors $\overline{AX}$ and $\overline{BY}$ of triangle $ABC$ meet at point $I$. Find $\angle C,$ in degrees, if $\angle AIB = 109^\circ$. Could you please help. I just need a few hints. I don't want the answer.
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LinTaeyang7
Jun 19, 2020
Jun 18, 2020
0
609
1
help
If x + y + z = 26 and 1/x + 1/y + 1/z = 31, then find x/y + y/x + x/z + z/x + y/z + z/y.
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Guest
Jun 18, 2020
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