All Questions ⁺⁰231295 Questions

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help

Guest May 26, 2020

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2105

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+148

Vector a is expressed in magnitude and direction form as a⃗=⟨√26,140∘⟩.

Vector a is expressed in magnitude and direction form as a⃗=⟨√26,140∘⟩.
What is the component form a⃗?
Enter your answer, rounded to the nearest hundredth

imbadatmath12 May 26, 2020

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505

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please help!

Triangle ABC with vertices A(−2, 0), B(1, 4) and C(−3, 2) is reflected over the y-axis to form triangle A'B'C'. What is the length of a segment drawn from C to C'?

Guest May 26, 2020

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581

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+148

The initial point of a⃗ is (−1,6), and its terminal point is (−3,−2).

The initial point of a⃗ is (−1,6), and its terminal point is (−3,−2).
What is the value of ∥a⃗∥?
Give your answer as a simplified radical

imbadatmath12 May 26, 2020

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1929

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+148

What does the graph of the parametric equations x(t)=3−t and y(t)=(t+1)2, where t is on the interval [−3,1], look like?

What does the graph of the parametric equations x(t)=3−t and y(t)=(t+1)2, where t is on the interval [−3,1], look like?
Give the answers to the boxes to correctly complete the statements.
The parametric equations graph as a portion of a read more ..

imbadatmath12 May 26, 2020

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344

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help

What is the fewest number of queens needed to attack every square in an 8 by 8 chessboard?

Guest May 26, 2020

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425

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is big chungus from Saturn

probly
p**p
land

Guest May 26, 2020

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1620

1

+148

Michael plots the point with the polar coordinates (−2,−4π/3).

Michael plots the point with the polar coordinates (−2,−4π/3).
How does he plot this point?
Enter a value or phrase into each box to correctly complete the statements.
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imbadatmath12 May 26, 2020

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340

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please help

BC is the diameter of a circle with center at O. If angle ABO = 30 degrees and angle OAD = 40 degrees, then find angle COD.

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Guest May 26, 2020

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581

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hello, i would really appreciate it if you could help me with this geo question :)

Here's the question: A quarter-circle with radius is drawn. A circle is drawn inside the sector, which is tangent to the sides of the sector, as shown. Find the radius of the inscribed circle.

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Guest May 26, 2020

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332

0

please explain

C is a circle with chord AB. P is a point outside of C such that PA is tangent to C and angle BPA = 90 degrees. If AB = 48 and PB = 8, what is the radius of C?

Guest May 26, 2020

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2984

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+223

Please explain this question

In the diagram below, chords and are perpendicular, and meet at X. If AX = 3, BX = 4, CX = 6, and DX = 2, then find the diameter of the circle.
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Dragan ●●●●●●●

envoy May 26, 2020

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1101

1

please help

A robot moving forward at a constant speed takes 2.5 hours to travel 1 kilometer. Moving forward at this same constant speed, it takes the robot 90 seconds to travel the length of a particular hallway. How many meters long is the hallway?

Guest May 26, 2020

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348

1

Help!

If (-27/18x^2 + 1/2x + 4)^16 = g(x), what is g(a) if g(a) cancels out all odd degree coefficients?

Guest May 26, 2020

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312

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geometry

In triangle ACD, angle C = 90 degrees and angle DAC = 30 degrees. B is on side AC such that angle DBC = 45 degrees. If AB = 50, then find CD.

Guest May 26, 2020

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559

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+256

How to rotate a shape around a vertex(Not a problem)

Arbitrary vertex:
How do I rotate a shape around any given vertex

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BWStar May 26, 2020

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447

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help

Three faces of a rectangular box are 24, 32, and 12. What are the dimensions of the box?

Guest May 26, 2020

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1254

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+113

help please !

Suppose K is a constant, such that no pair of real numbers (x, y) satisfies this system of equations:

6x + 4y = 7
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andrewstanells May 26, 2020

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431

1

help

Find the area of a circle with a radius of 3. enter an exatc numer in terms of π or use 3.14 for π and enter your answer as a decimal

Guest May 26, 2020

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345

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geometry

In quadrilateral ABCD, angle ABC = angle ACD = 90 degrees, AC = 20, and CD = 30. Diagonals AC and BD intersect at E, with AE = 5. What is the area of quadrialteral ABCD?

Guest May 26, 2020

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515

1

help!

A robot moving forward at a constant speed takes 2.5 hours to travel 1 kilometer. Moving forward at this same constant speed, it takes the robot 90 seconds to travel the length of a particular hallway. How many meters long is the hallway?

Guest May 26, 2020

0

858

1

please help!

A 20-gallon container is filled halfway with a mixture that is 90% vinegar and 10% water. How many gallons of water must be added for the mixture to become 60% vinegar and 40% water?

Guest May 26, 2020

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417

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please help!

Let S be the set of all numbers in the form abc where (a, b, c) is a Pythagorean triple. Find the GCD of all elements in S.

I'm getting 60 from trying a few numbers but I'm not sure if this is right

Guest May 26, 2020

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