06/09/21

probability question
you have a bag of 17 marbles. four are blue, 6 are green, 2 are red, and 5 are yellow. what is the probability of drawing a red marble, keeping it, then drawing a blue marble?
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06/09/21

Prove the trigonometric identity. cscx cosx/(tanx+cotx)=cos^2x
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06/09/21

Calculus Volume and Area
The area of the enclosed area bounded by the curves y = sqrt(x-4), x = 8, y = 0 is...'a) 8/3b) 4/3c) 32/3d) 16/3
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06/09/21

Choose the correct answer

If two different scatter plots have exactly the same regression lines, then they will also have the same correlation coefficient.Select one: a. True b. False c. insufficient information
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06/09/21

Choose the correct answer
If the points of a scatter plot all lie exactly along a straight line, then their correlation coefficient will be exactly equal to one.Select one: a. Trueb. Falsec. insufficient information
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06/09/21

Find the probability that an 28 times will be spun
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06/09/21

Find the two positive numbers
Find the two positive numbers whose product is 200 so that the sum of one and four times theother is minimum.
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06/09/21

Person standing on top of a 56 ft building throws a ball vertically upward. The quadratic function h=-16t^2+104t+56 models the ball's height about the ground, h in feet, t seconds after it was thrown
What is the maximum height of the ball?How many seconds does it take until the ball hits the ground?
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06/09/21

What is the dimension of the box

An open box is to be made from a 16 𝑐𝑚. by 30 𝑐𝑚. piece of cardboard by cutting out squares of equal size from the corners and bending up the sides. What will be the dimension of the box with the... more
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06/09/21

What is the area of the largest rectangle?

Find the area of the largest rectangle having two vertices on the 𝑥 − 𝑎𝑥𝑖𝑠 and two vertices above the 𝑥 − 𝑎𝑥𝑖𝑠 and on the parabola with equation 𝑦 = 9 − 𝑥2
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06/09/21

If tan 𝜃 = −1, determine the possible angle(s) for 𝜃.
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06/09/21

A small radio transmitter
A small radio transmitter broadcasts in a 22-mile radius. If you drive along a straight line from a city 27 miles north of the transmitter to a second city 28 miles east of the transmitter, during... more
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06/08/21

Two angles are complementary. Draw a diagram that illustrates the complementary angles. One angle measures 35° and the other measures (x + 15)°. What is the value of x?
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06/08/21

Find the entire domain on which the function f is one-to-one and non-decreasing.

f(x) = (x + 8)^2Write the domain in interval notation. Find the entire domain on which the function f is one-to-one and non-decreasing. Write the domain in interval notation.
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06/08/21

The graph of f(x) = ( 1/4)^−x is reflected about the y-axis and compressed vertically by a factor of 1/3 . What is the equation of the new function, g(x)?
g(x) = y-intercept of g(x)= (x,y)domain and range of g(x) in interval notation
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06/08/21

express in absolute value notation

the number 6 express in absolute value notation
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06/08/21

Calculate angle DEF

Triangle DEF has vertices D(-3,5), E(2,3) and F(6,7). Calculate angle DEF. 
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06/08/21

Find a value for m so AB is perpendicular to CD
Consider 4 points A (-1,3), B(3,-2), C(2,1) and D(-3,m). Find a value for M so AB is perpendicular to CD
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06/08/21

Find a value for m so AB is perpendicular to CD
Consider 4 points A (-1,3), B(3,-2), C(2,1) and D(-3,m). Find a value for M so AB is perpendicular to CD
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06/08/21

what is the equation?
Write an equation of a line with that is parallel to line 2x + 5y - 3 = 0 and has the same y-intercept as line 2x - 3y = 15. Show all your steps and solutions.
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06/08/21

A 20 ounce box of Oats a raisins cereal has 144 raisins inside of it. How many raisins should a 35 ounce box have?
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06/08/21

Determine this ∑(n=0 to +∞) (1/n^2 +1)
Please help determine the ∑(n=0 to ∞) (1/(n2 + 1)
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06/08/21

Find the component form of the vector that has the given magnitude and direction angle Θ. ‖𝐯‖ = 5 and Θ = 315⁰.
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06/08/21

Find the component form of the vector that has the given magnitude and direction angle Θ. ‖𝐯‖ = 5 and Θ = 315⁰.
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06/08/21

what is the surface area of a cube with side length of 3 ft
Dan’s new appliance arrived in a cardboard box in the shape of cube. What is the surface area of the cardboard box?Use the formula , where SA is the surface area of the cube and s is the length of... more
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