03/25/19

A dilation has center at the origin. What is the image of the point P(7/4 , -5/2) for a scale factor of 1/7
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03/25/19

Rewrite the expression
log2x+5log2y-5log2z as a single logarithm log2 A. Then the function A=
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03/24/19

Cos(theta)=1/4, theta is in quadrant 4. Find tan(theta-π/4)
Gave cos, and quadrant, asking to find tangentalgebra 2 class
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03/24/19

How long did he take?
Nickola swam at a rate of 22 ​km/hr and ran at a rate of 11 km/hr for a total distance traveled of 68.5 km. If he completed the race in 9.5 hours, how long did he take to complete each part of... more
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03/23/19

Why do we require radians in calculus?
I think this is just something I've grown used to but can't remember any proof. When differentiating and integrating with trigonometric functions, we require angles to be taken in radians. Why... more
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03/23/19

What kind of "mathematical object" are limits?
When learning mathematics I tend to try to reduce all the concepts I come across to some matter of interaction between sets and functions (or if necessary the more general Relation) on them.... more
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03/23/19

ABC IS A right triangle with legs measuring 5 centimeters and 12 centemeters. What is the measure of the triangles hypitenuse
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03/23/19

What is the measure of the central angle that was used when cutting the pixel in radians to the nearest 10th ?
A slice cut from a circular pizza with a diameter of 18 inches the arc length or curved edge of the pizza, that was cut measures 6.5 inches.A- 0.4 radiansB-0.7 radiansC- 1.4 radians D- 2.8 radians
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03/23/19

Which of the following could not be the center of the circle ?
A circle with radius of 10 goes through the point (7, -3)A-(-3,-3)B-(1,5)C-(7,3)D-(-1,3)
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03/23/19

What is the measure,in radians, of the central angle intercepting this arc?
In a given circle the length of an arc intercepted by a central angle of X radians is 13 centimeters and the radius of the circle is 3.5 centimeters.A- 1/4B- 4C- 49D- 10.5
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03/23/19

A central angle measures 3π/2 radians. If the radius of the circle is 12cm, what is the length of the arc intercepted by the central angle?
A- 3π cmB- 6π cmC- 12π cmD- 18π cm
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03/23/19

An arc of a circle with a radius of 12 inches has a length of 21π. What is the measure of the corresponding central angle In radians?
Answer choices are in fractions A- π/4B- π/2C-3 π/2D- 7 π/4
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03/23/19

Michael’s kite string is 72ft long. The angle of elevation from his position on the ground to the kite in the air is 65 degrees. Michael is 6ft tall. how high above the ground is the kite.

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03/22/19

Need help figuring out this
Write the equation of a line that is perpendicular to x=-6 and that passes through the point (-1,-2)
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03/22/19

Tommy can paint a fence in 9 hours. If his friend Huck​ helps, they can paint the fence in 1 hour. How fast could Huck paint the fence by​ himself?
Tommy can paint a fence in 9 hours. If his friend Huck​ helps, they can paint the fence in 1 hour. How fast could Huck paint the fence by​ himself?
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03/22/19

What are some major applications of stochastic calculus?
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03/22/19

Write an equation in slope intercept form for the line perpendicular to y=5x + 8 that passes through the point (4,8)
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03/22/19

Circle circumference

Billy goes Cycling.His bike has wheels of diameter 75cm. He has invented a counter for his bike, which counts the number of revolutions the wheels make. One day the counter shows 180 revolutions.... more
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03/22/19

Area of a Segment
Find the area of the segment of a circle whose radius is 5 inches, formed by a central angle of 40°.
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03/22/19

What are the main uses of Convex Functions?
Up till now I have just learned that the concept of convexity in functions of one variable is used to complete the graphs of functions, meaning to locate points of inflexion and see if the graph is... more
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03/22/19

The rectangle shown has an area of 27 cm2 and is modeled by the equation A = 2w2 + 3w, where w is the width. What is the length of the rectangle?
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03/21/19

Balacing the Bill
Albert and Jim went out to the dinner and together they tipped their server $7 in total. Albert tipped 20% of his bill and Jim tipped 15% of his bill. Jim’s bill was twice as much as Albert’s bill.... more
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03/21/19

algebraic question
a rectangle with a width of (5x+2) feet and a length of (2x-1) feet has an area of 100 square feet. what is the rectangles width and length
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03/21/19

6 digit number that adds to 23
Find a six-digit number (ABCDEF) in which the second digit is double the first, the third digit is one less than the fourth, the fifth digit is one less than the second digit, the last digit is two... more
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03/20/19

A book is15cm long and 6 cm wide. What are the length and width of the book in inches? Round your answer to the nearest hundreths
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