08/04/18

the remainder when X^3-2X^2+aX+5 is divided by x-3 is twice the remainder when the same expression is divided by x+1, find the value of the constant a
i dont know how to find the constant a while i dont have any remainder
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08/03/18

Factored form if resulting expression
X-6/x2 +X-2 - 1/X-1
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08/03/18

The equation M(t)=19e^(−t/43) describes the amount of radioactive isotopes as a function of the time
The equation M(t)=19e(-t/43) describes the number of radioactive isotopes as a function of the time t(years). After how much time has the amount decreased to 1/6 of the original amount? The answer... more
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08/03/18

Use the double angle identities to derive sin^2(x) in terms of linear powers of common trig functions. Prove the identity: cotx=(sin2x)/(1-cos2x)
the first step is very unclear and confusing for me so im not sure how to start
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08/03/18

find f(a+h)-f(a) if f(x)=2x+5
This particular problem is about differences in composite functions.  
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08/02/18

Write the equation of a quadratic functino whose zeroes are -1, 3 and a range consisting of all numbers less than or equal to 4
i know that (x+1)(x-3) is what is true and that it is also a flipped parabola to fit the range, but how do i get my parabola's vertex to be on 4?
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08/02/18

What is the range of the function ? f(x) = 3- 2\cdot 51^x.Give your answer as an interval.
This question uses Latex
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08/02/18

Find the standard form for the equation of a circle ( x − h ) 2 + ( y − k ) 2 = r 2 with a diameter that has endpoints ( − 4 , − 8 ) and ( 0 , − 3 ) .
help  
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08/02/18

Ethan's father is x^2 year old while Ethan is x years old. After 4x years, his father will be twice as old as Ethan. Form an equation
Expression needs to be formed from the understanding if the question based on age difference
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08/01/18

the fibonacci sequence is f(n)= F(n-1)+F(n-2). If F(7)=13 and F(8)=21, Which of the following is true?
A. F(15)=34 B. F(9)=34 C. F(9)=32 D. F(6)=13
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07/31/18

One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 20 degrees more than that of the sma
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 20 degrees more than that of the smallest angle. Find the measure of the... more
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07/31/18

Application of Derivative
what is the slope of the tangent line to the curve x2 + 2x2 + y2 +4y5 +2y = 1 at the point (1,0)?
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07/31/18

Dennis thought of a number.
Dennis thought of a number.He adds 0.5 to that number and then multiplies the new result by 4 he then subtracts 2 and divides the number 2.His final answer is?
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07/31/18

A positive integer and a negative integer are 18 units apart. The absolute value of the positive integer is 5 times the absolute value of the negative integer.
What is the answer  
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07/30/18

Enter a recursive rule for the geometric sequence. 3, −12, 48, −192, ... a1= ; an=
please help need answer asap!!!
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07/30/18

Consider the function f(x)=3x-2 with a range of 4 <y<7. What is the domain of f^-1(x)?
Answers: 4<x<7 7<x<4 4<=x<7 4<=y<7 7<x<4
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07/30/18

If =YZ11 and Y lies at 3 , where could Z be located?
computing distances between decimals on the number line
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07/30/18

a block of clay is moulded into a cube with equal side lengths of 30 cm. the clay is remoulded into a cylinder - what is the diameter of this cylinder?
a block of clay is moulded into a cube with equal side lengths of 30 cm. This clay is then remoulded into a cylinder - what is the diameter of this new cylinder?
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07/30/18

Solve. The sum of the squares of the digits of a positive two-digit number is 61, and the tens digit is 1 more than the units digit. Find the number.
A) 45B) 56C) 65D) 54
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07/29/18

For what values of k does the quadratic equation (k+3)x^2 + 4x + k = 0 have no real roots.
Please state and show how to answer the question and explain how to do it, thank you! :)
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07/29/18

Related rates of change
a circular ink-blog is formed by ink dripping from a pen onto some blotting paper. The radius of the ink blot is increasing at the rate of 0.3mm/s. Find the rate at which the area of the ink blot... more
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07/28/18

The variable z is directly proportional to x, and inversely proportional to y
The variable z is directly proportional to x, and inversely proportional to y. When x is 16 and y is 5, z has the value 16.What is the value of z when x= 21, and y= 14Round to at least the... more
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07/28/18

Boat and Stream
A motor boat can travel 30 km upstream and 28km down stream in 7 hour. It can travel 21km upstream and return in 5 hour. find the speed of the boat in the still water and the speed of the stream.
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07/28/18

Determine an x-value that results in an equal output for both functions.
Determine an x-value that results in an equal output for both functions.   f(x)=x+2 g(x)=(x+2)^2 - 3
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07/28/18

If A's income is 25% more than B's And B's income is 30% more than C's then by what % A's income is more than C's
If A's income is 25% more than B's And B's income is 30% more than C's then by what % A's income is more than C's?
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