05/06/20

A rectangular storage container with an open top is to have a volume of 12m^3.

The length of its base is twice the width. Material for the base costs $2 per square meter. Material for the sides cost $6 per square meter. Find the cost of the materials for the cheapest such... more
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05/06/20

I cannot fit the whole question in this box.
The approximate distance (in meters) to the horizon is 3600 times the square root of your height (in meters) above the surface of the Earth. If you stand in the rigging of a tall sailboat 36m above... more
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05/06/20

Find the value ofthe integral from 1 to 7 of the natural log of x, dx using three rectangles of equal width, with each right end-point used to find the height of each rectangle.
Find the value of using three rectangles of equal width, with each right end-point used to find the height of each rectangle. 0.5(ln3 + ln5 + ln7) 0.5(ln1 + ln3 + ln 5) 2(ln3 + ln5 + ln7) ln1 +... more
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05/05/20

Suppose you are going to draw two cards from a standard deck without replacement. What is the probability that the first card is an odd number card and the second card is a King?
Suppose you are going to draw two cards from a standard deck without replacement. What is the probability that the first card is an odd number card and the second card is a King?Please Help With... more
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05/05/20

Write a quadratic function f whose zeros are -5 and -4.
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05/05/20

what is an exponential equation that has a y intercept of 4

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05/05/20

PLEASE HELP!!!!!!!!!
The stem-and-leaf plot below gives the test scores for the 20 students in Mr. Williams’s biology class.How many students scored 82?
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05/05/20

Log base a where log base a 7=.6
loga(cubred root√7 where loga7=.6Thanks!
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05/04/20

g(x)=2x^2+20x+49, What is the function’s minimum or maximum value?
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05/04/20

What mass (in grams) of potassium iodide, KI, is needed to make 250. mL of a 0.200 M solution?
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05/03/20

Exponential question
The half-life of a radioactive material is 12 days.  a) Determine how much of a 5-kg sample of this material would remain afteri) 4 days ii) 3 weeksb) When would there be 500 g of radioactive... more
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05/03/20

I thought I was supposed to add but I can't come up with the correct equation

Find the value of x in the figure given that SU = 133. A)  7 B)  8 C)  11 D)  9
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05/03/20

Exponential growth and decay please help!
Given that a colony of ants in an experiment follows the law of uninhibited growth forthe first 7 months. The colony has tripled in population after 6 months, how many monthsdid it take for the... more
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05/03/20

system of equations (thank you in advance!!!!)
show your work for which of the following is a solution to the system of equations3x − 3y + 6z = 6x + 2y − z = 55x − 8y + 13z = 7a. (5, 3, 0) b. (−2, 6, 5) c. (−z + 3, z + 1, z)
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05/03/20

a) Estimate the area under the graph of f(x) = 3/x from x = 1 to x = 2 using four approximating rectangles and right endpoints. (Round your answer to four decimal places.)
b) Repeat part (a) using left endpoints. (Round your answer to four decimal places.)
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05/03/20

I need help with this problem please! If you can, please explain step by step. THank you!
Consider the graph of the function f(x) = x^2 − x − 12(a) Find the equation of the secant line joining the points (−2, −6) and (4, 0). (b) Use the Mean Value Theorem to find a value c in the... more
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05/03/20

Find dy/dx by implicit differentiation

xy3 ________ =1+y4sec(y)
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05/02/20

Quadric Equations

A waterfall has a height of 1100 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 16 feet per second. The height of the pebble h in feet after t seconds is... more
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04/30/20

Standard deviation
Teacher’s salaries in Georgia are normally distributed with an average salary of $52,000 with a standard deviation of $12,000. What percentage of teachers earn an a salary between $40,000 and $76,000? more
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04/30/20

The tangent of an angle is the slope of the radius of the terminal side of the angle drawn in standard position
How does this fact relate to the domain, range, period, and increasing nature of the function?
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04/30/20

What is the missing constant term in the perfect square that starts with x2 + 6x ?
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04/30/20

If (-16, -9) is the terminal side of angle theta, what is the Cosecant and Tangent?
Use the given point of the terminal side of angle "theta" to find the exact value of each trigonometric function. Using point (-16, -9). Solve for Cosecant and Tangent
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04/30/20

Global minimum problem. PLEASE HELP

Find the global minimum of the function f(x)= 2x^3 + 6x^2 -18x - 4 on the interval [0,3]
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04/30/20

A spinner has 10 equal divisions numbered through 10. A prize is won if the spinner lands on a number greater than 4. Which is the set of outcomes that will win a prize?
Is it A (1,2,3,4)B (5,6,7,8,9,10)C (4,5,6,7,8,9,10)D (1,2,3,4,5,6,7,8,9,10)
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04/30/20

i do not now how to solve this
loga3=0.477 and loga5=0.699. use these values to evaluate loga75.
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