09/10/20

trigonometry circle
A small radio transmitter broadcasts in a 59 mile radius. If you drive along a straight line from a city 74 miles north of the transmitter to a second city 77 miles east of the transmitter, during... more
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09/10/20

Please solve these equations
x+y+z=-1, 3x-2y-4z=16, 2x-y+z=19
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09/08/20

Which is the better buy, 7 pounds of meat for $8.47 or 9 pounds of meat for $11.07?

Please explain step by step.
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09/08/20

Inverse trig function question
How would I find the inverse trig function of the below equation?Q: arcsec(-(2sqrt3)/(3))
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09/05/20

Writing Equations of Linear Functions

Writing equations of linear functions, please help! The chart below is asking what the slope, y intercept, and equations are. In the first chart it has x on the left and underneath are the numbers:... more
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09/03/20

Limit laws with fractions
Evaluate the limit if it existLim ((2/t)-(2/t^2+t))t-> 0
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09/03/20

Evaluate the derivative of the function f(x) = w1 * x^3 + w2 * x - 1 on x
Where w1 is the first coefficient and w2 is the second coefficientX is the point on which to evaluate the derivative I am looking for the value of the derivative on point x
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09/03/20

limitations and infinite

limx→0 (√1+x− √1−x) / (|x|)
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09/03/20

limitations and infinite

lim ((x+1)^3 −1)/ xx→0 
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09/03/20

infinite limitation
Suppose that f(x) is defined near x = −1 and satisfies −x^4 − x^2 + 4 􏰀≤ f(x) ≤ 􏰀 4 + 2x^2, calculate lim x→−1 f (x)
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09/02/20

Need help with limit problem
find limit as x goes to infinity of(x2 - sqrt(x2-16)
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09/02/20

A ball kicked upward reaches a height of 10 feet. Each time it hits the ground, it bounces to two-thirds of its previous height.

What is the distance the ball has travelled when it strikes the ground for the fourth time? What is the total distance travelled by the ball before coming down?
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09/02/20

two vertical poles are 14 feet apart. one is 16 feet tall, and the other is 9 feet tall. A rope extends frim the top of one pole to the top of the other. Find how long the rope is.
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09/02/20

The midpoint of \overline{\text{AB}} AB is M(-1, 7)M(−1,7). If the coordinates of AA are (4, 8)(4,8), what are the coordinates of BB?
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09/02/20

ASNWER THIS PLEASEEEEEEEEE
Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.)  lim h→0 (9 + h)−1 − 9−1 h  
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09/02/20

HELP ME ANSWER ALL PLEASE
Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.)  lim t→−8.  t2 − 64 2t2 + 17t + 8  
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09/02/20

HELP ME ANSWER ALL PLEASE
(a)    lim x→2 [f(x) + g(x)](b)    lim x→0 [f(x) − g(x)](c)    lim x→−1 [f(x)g(x)] (d)    lim x→3 f(x) g(x) (e)    lim x→2 [x2f(x)](f)    f(−1) + lim x→−1 g(x)
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09/02/20

If AB=20 and AB+CD=30,then...??
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09/01/20

A ballon is 150m above the ground and makes an angles of 45 degrees with the ground. Assuming the string is straight , how long is the string the ballon is on ?
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09/01/20

Fred is flying a kite. The kite string has an angle of elevation of 57 degrees. If Fred is standing 100 feet from the point on the ground directly below the kite, find the length of the kite string.
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08/31/20

twice the sum of a number and 3 is the same as 24 less than 7 times the number

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08/31/20

Please help with open box problem

An open-box is made from a rectangular material of dimensions a=8 inches by b=5 inches by cutting a square of side x at each corner and turning up the sides. Determine the value of x that results... more
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08/29/20

limit existing evaluate

Evaluate limit if it existslim x+1 x→−1. (x+1/ x^3+1)
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08/29/20

Let f(x) = x^3 − 8x^2. Find the points on the graph of f where the tangent line is horizontal.
I found the derivative and the smaller x-value which is (0,0), I just can't figure out how to solve for the larger x-value!
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08/27/20

find the coordinates of the point 3/10 of the way from a to b a=(-4,-5) b=(11,4)
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