03/17/20

Precalculas problem
You run a laboratory experiment and you need a mixture of 100 liters containing 45% acid to conduct your project. You don’t have that mixture but you have three different acid solutions. The first... more
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03/17/20

Find Surface area and volume of a right pyramid with a square base?
I am only given the height, which is 8, and the length of one side of the square base, which is 12. I need to find the surface area and volume. I would include a picture but I don't know how.
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03/17/20

Find the perimeter AND area of the polygon with the given vertices: W (5,-1), X (5,6), Y (2,-1), Z (2,6)
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03/17/20

How do I convert the equation to intercept form by factoring y=x^2-4x-21
How do I convert the equation to intercept form by factoring y=x^2-4x-21
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03/17/20

How do i graph this parabola

Graph the parabola (do not place any dots) then fill in the blanks about the vertex, any intercepts, the domain, and range. Enter intercepts as ordered pairs, aka points.y=−x2−10x−21I know all the... more
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03/16/20

what was John brown hoping to do with any weapons he obtained ?
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03/16/20

GEOMETRY HELP URGENT
A shop sells 6 types of sweets (chocolate, taffy, gummies, cookies, brownies, and sweet tarts), 3 types of snacks (chips, crackers, and bananas), and 3 types of drinks (soda, juice, and water). ... more
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03/16/20

If P(A)=0.2 and P(A and B)=0.12, and P(A or B)=0.68, what is P(B)?
Help please0.60.080.80.06
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03/16/20

Write the quadratic equation whose roots are 5 and -6 , and whose leading coefficient is 1 . (Use the letter x to represent the variable.)
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03/15/20

PLEASE HELP! NEED HELP WITH GEOMETRY HOMEWORK!
Identify the geometric mean of 10 and 18 in simplest radical form. Please Give the Explanation and the Answer. Thank You Very Much!
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03/15/20

still need help with this parameter equation
The ellipse (x^2/9^2)+(y^2/5^2)=1 can be drawn with parametric equations where x(t) is written in the form: x(t)=rcos(t) with r= __?___and y(t)=__?__
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03/15/20

need help with this parameter
Eliminate the parameter t to find a Cartesian equation in the form x=f(y) for:x(t)=-3ty(t)=-8+2tThe resulting equation can be written as x = 
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03/13/20

you mix 1/2 quart of blue and 3/4 quart of yellow to make 15 quarts of green how much blue and yellow do you use
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03/13/20

Logs and solving

Solve log(subscript 1/2) 32
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03/13/20

Inverse of functions

Find the inverse of f(x) = (x-2)^2 + 3 and f(x) = x-5 all under square root
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03/13/20

Find the intervals of concavity for the function f (x) = x^3 + 3x^2 + 1
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03/13/20

Find the local extrema of the function f (x) = x^3 + 3x^2 + 1
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03/13/20

Factor the expression completely.
x^5 y^3 − x^4I have seen multiple answers but do not understand how to get there.
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03/13/20

Please help with Algebraic Expression. 6th grade algebra.
Brian bought x apples and some oranges. Brian bought 3 ore oranges than apples:a. Find the total number of fruit Brian bought in terms of X. 2(X+3)b. Find the total amount of money, in cents, that... more
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03/13/20

Trigonometry Question
If sin θ = 12/13, and cos θ > 0, find tan θa. 12/5b. -12/5c. 5/12d. -5/12I got answer A.
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03/13/20

Who is the president 2nd in usa
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03/13/20

A sample of n = 16 scores is obtained from a population with a mean of 70 and standard deviation of 20. If the sample mean is 75, then the z-score corresponding to the sample mean is ____.

A sample of n = 16 scores is obtained from a population with a mean of 70 and standard deviation of 20. If the sample mean is 75, then the z-score corresponding to the sample mean is ____. Hint:... more
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03/13/20

Calculus Question
Given s = rθ. The end of a 30-inch pendulum describes an arc of 5 inches. Through what angle, in radians, does the pendulum swing? What is the correct second step?a. 5=30θb. 30=5θc. 5 = θ/30d. 30 =... more
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03/13/20

What whole number dimensions would allow the volume to be maximized while keeping the surface area at most 160 square feet?
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03/12/20

Find the distance between (3,4) and (4,-3)
(A) 5√2(B) 7(C) √2(D) 7√2(E) None of the above For this I got; (A) 5√2. Is this correct?
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