11/06/19

p varies directly as q, and p = 1 when q= 1 10 .
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11/06/19

A bag contains green marbles and red marbles, 89 in total. The number of green marbles is 1 less than 4 times the number of red marbles. How many green marbles are there?
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11/06/19

If a card is drawn from a standard deck of cards, what is the probability that the card is a black card, given that it is a face card?
Conditional Probability
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11/06/19

linear equations word problems
A young sumo wrestler decided to go on a special diet to gain weight rapidly.w represents the wrestler's weight (in kilograms) after t months.W=80+5.4tWhat was the wrestler's weight before his... more
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11/06/19

Find probability

A single six die is rolled . Find the probability of rolling an odd number or a number less than 6
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11/06/19

8,-4,2,-1 what are the 3 next numbers in there order?

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11/06/19

Are the following operations defined on the sets given? Explain why!
1. Multiplication on ℕ+ 2. Multiplication on ℤ 3. LEN on ℕ 4. LEN on C 5. LEN on S 6. JOIN on S
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11/06/19

A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $2 per square foot
A box is constructed out of two different types of metal. The metal for the top and bottom, which are both square, costs $2 per square foot and the metal for the sides costs $7 per square foot.... more
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11/05/19

Algebra High School Help
A small plane flies 760,320 yards in 2 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represents time, to answer the following questions. Show your work.Part... more
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11/05/19

Write the equation of the line that is perpendicular to 4x+3y=18 and passes through the point (8,-2)?
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11/05/19

precalculus simplify identities
Simplify cos2(t)1−cos2(t) to an expression involving a single trig function with no fractions. If needed, enter squared trigonometric expressions using the following notation. Example: Enter... more
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11/04/19

Optimization Calculus Question

Phillip, the proprietor of a vineyard, estimates that the first 11000 bottles of wine produced this season will fetch a profit of $7 per bottle. However, the profit from each bottle... more
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10/30/19

Need help! In Algebra 1
Example 3: The temperature T, in degrees Fahrenheit, of a lasagna after it has been cooking for m minutes can be represented by the function T(m). (a) If the temperature of the lasagna is 280°... more
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10/30/19

what is the x and y intercept of 6x-9y=18
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10/30/19

oil leaks from a tank. At t=0 there are 250 gallons of oil in the tank. Each hour after that 4% of the oil leaks out
a. What percent of the original 250 gallons has leaked out after 10 hours?250e^.04(10)=372.96--> 3.73% is what I got my professor said its correctb. If Q(t)=Qoe^kt is the quantity of oil... more
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10/30/19

Find the equation in standard form of the parabola that passes through the points (2,-1) (4,-3) (1,-6)
I get to step three and it looks completely wrong. Please help.
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10/30/19

An arithmetic sequence has a 10th term of 15 and 14th term of 35.
What is the value of the first term? Use the value of d in one of the sequence equations from a.What is the general sequence equation for this situation?
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10/30/19

Let P=15(1.04)^T give the population (in thousands) of a town, with t in years. If the formula for P is written P=15(2)^t/c, find the value of c correct to 2 decimals.
What is the meaning of c in this context
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10/29/19

If we triple the first number and double the second number and the sum is 34, What are the two numbers?
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10/28/19

sketch a graph of a function that satisfies all of the given conditions
f′(0) = f′(2) = f′(4) = 0,f′(t) > 0 if t < 0 or 2< t < 4f′(t) < 0 if 0 < t < 2 or t > 4f′′(t) > 0 if 1 < t < 3f′′(t) < 0 if t < 1 or t > 3.
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10/27/19

Given f(θ) = 2cos^2θ−4 sin θ on 0≤θ≤2π
a) Find the intervals on which f is increasing or decreasing,b) Find the local maximum and minimum values of f (use first derivative test)c) Find the interval of concavity and inflection points
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10/26/19

Calculus problem
Determine the intervals where f is increasing and where f is decreasing (written in interval notation), and identify all relative extrema (write these as ordered pairs).f(x)=2x+8/x-5
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10/26/19

find a formula for p(x)
The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=5 and a root of multiplicity 1 at x=−5. The y-intercept is y=−87.5.Find a formula for P(x)
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10/26/19

Discontinuity and Non Differentiability given a function f(x)
Examine the function f(x)= (4(x+1)^2/5)/x^2-x-6 for points of discontinuity and non differentiability. a) obtain a graph of the function on -8< or equal to x < or equal to 8 and -3 < or... more
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10/26/19

Why is (sin (4x) + sin (2x))/(sin (4x) - sin (2x)) equal to tan (3x) cot x?
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