01/07/21

solve the word problem. let x and y be directly related. if x is 18 when y is 6, find y when x is 21. I need help quick!
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01/07/21

solve for (z) x+y+z/5=w
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01/07/21

Which is an equation of the line that passes through (2, –5) and (6, 3)?
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01/07/21

Sarah’s age was twice of Phil’s age when she was as old as he is now. If that was 7 years ago, how old is each of them now?

Show each step appropriate for what is asked. But if you can't it's okay.
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01/07/21

Evaluate sin(arccos 1/2 + arcsin 1/2).
Round your answer to the nearest tenth.
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01/07/21

What is the solution
Find the sum of the geometric series ∑n = 1 ∞ 6·(0.9)n-1A. 50B. 60C. 70D. 80
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01/07/21

Which of the following statements about the series below is true
∑n = 1 ∞ (-1)n/1+√n A. The series converges absolutely.B. The series converges conditionally.C. The series converges but neither conditionally nor absolutely.D. The series diverges.
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01/07/21

What is the answer
Find the derivative d2y/dx2 of the implicit curve y3 = xy + 1 at (0, 1)
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01/05/21

Can you help me? Thank you so much.
11) The Algebros start a side business selling t‐shirts.  The first year they make $500 (mostly from family and friends).  The next several years the revenue increased by about 6.8% each year.  a) ... more
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01/05/21

Help me please! Thank you so much.
3) Mr. Brust wanders across a great desert!  He comes to a magical genie who offers him two deals but he must choose quickly and wisely! Option 1: He will give Mr. Brust 1 cent ($0.01) today.  Tomo... more
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01/05/21

i need some help with math
I have a box of M&M bags. Each bag contains 25 M&Ms and are 20% red, 20% brown, 16% yellow, 16% blue, 16% orange, and 12% green.Jenna needs to collect green M&Ms for a special... more
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12/21/20

Identify the type of polar graph based on the equations
a. r= 8 – 8 sin θ  b. r = 9cos (2θ) c. r = 7cos (θ)
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12/21/20

what is the x-intercepts and the vertex?
An artist drew a rainbow mural on a a school cafeteria wall. it’s outer boundary can be represented by a parabola with the equation, y=-x2+6x, where y the height of the outer boundary of the... more
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12/21/20

find sin4a if sin2a+cos2a=1/3
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12/20/20

find cos4a if cos2a=1/2
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12/20/20

Eliminating the parameter and write the resulting rectangular equation

Consider the following. x=2 sec(𝜃) y=tan(𝜃) 𝜋/2 < 𝜃 < 3𝜋/2 Eliminate the parameter and write the resulting rectangular equation whose graph represents the curve. more
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12/18/20

What is the equation of the line tangent to the curve x^2+y^2=9 at (0,3)?
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12/18/20

help solving problem
A chemist mixed a 70% alcohol solution with a 30% alcohol solution to make a 45% alcohol solution. How many liters of each were used to make 120L of a 45% alcohol solution?a. 75L of 70%, 45L 30%b.... more
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12/18/20

12. Mr. Thomas cooked 45 hamburgers and hot dogs at a cookout. He cooked twice as many hotdogs as hamburgers. How many did he make of each?
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12/18/20

∆ABC has vertices: (0,0) , (12,6) , (18,0). Find the equations of the lines that contain the three altitudes of the triangle.

∆ABC has vertices: (0,0) , (12,6) , (18,0). Find the equations of the lines that contain the three altitudes of the triangle.
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12/18/20

∆ABC has vertices: (0,0) , (12,6) , (18,0). Find the equations of the lines that contain the three medians of the triangle.
∆ABC has vertices: (0,0) , (12,6) , (18,0). Find the equations of the lines that contain the three medians of the triangle.
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12/17/20

What is the image of (0,-8) after a reflection over the line y=x?
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12/16/20

Write an equation for a line parallel to y = 2 x + 2 and passing through the point (4,12)
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12/16/20

Please I need help with the calculus question below
If h(x) = f^2(x) - g^2(x), f'(x) = -g(x) and g'(x) = f(x), then h'(x) is?From the following choose the correct answer to the question above:A: 0B: 1C: -4f(x)g(x)D: (-g(x))^2 - (f(x))^2
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12/16/20

Calculus question
Find the particular solution that satisfies the differential equation and the initial condition.f ''(x) = sin(x),    f '(0) = 9,    f(0) = 8
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