03/28/22

Calculus Question
The table gives the values of a function obtained from an experiment. Use them to estimate 9 f(x) dx 3  using three equal subintervals with right endpoints, left endpoints, and... more
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03/24/22

How do solve this
Mercury(II) nitrate is a compound formerly used to treat fur to make felt for hats. It can also cause a psychological illness, which is where the phrase 'mad as a hatter' originated. Mercury(II)... more
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03/24/22

perimeter and area
find the perimeter and area of a rectangle, when it is reduced by a scale factor 2?
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03/22/22

Formative Test Prep

Nola is an electrician. She charges her customers $85 and $35 for each hour of labor. While doing work for a local business, the total charges for the work was $226. Which equation could be used to... more
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03/22/22

how to find the dy/dx by implicit differentiation

5x2+y2=4dy/dx=
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03/22/22

how to find the first and second derivatives of

x2(4X+1)4f'(x)= f''(x)=
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03/22/22

how to find the 1st and 2nd derivatives from

√(5x-2)f'(x)= f''(x)=
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03/21/22

a plumber charges a call out fee for $60 and $80 for every hour. A second plumber doesn't charge anything for call out fee but charges $99 for every hour. Write an equation for the second plumber

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03/21/22

The density of gold is 19.3 g/cm^3. How many atoms are in a cube of gold which measures 1.50 inches on each side?

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03/21/22

Marginal Cost of a produc
The marginal cost of a product is modeled bydC/dx= (14)/(cuberoot(14x+7)(a)where x is the number of units. When x = 15, C = 140.(b)Find the cost function. (Round your constant term to two decimal... more
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03/20/22

You can run at a speed of 8 mph and swim at a speed of 4 mph and are located on the shore, 5 miles east of an island that is 1 mile north of the shoreline.

How far (in mi) should you run west to minimize the time needed to reach the island?
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03/19/22

A point is pulled by two ropes...
A point is pulled by two ropes: one to the left and up 34° with a magnitude of 5, the other to the right and up 16° with a magnitude of 7. What is the resultant force on the point?(A) 28.98∠9.4°(B)... more
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03/19/22

Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
Suppose a jar contains 17 red marbles and 31 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
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03/19/22

Bearings Application Problem
A boat leaves the harbor entrance and travels in the direction N 29 ∘ E. After 19 miles, the captain realizes he's made a navigation error, and changes direction to S 59 ∘ E. After... more
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03/18/22

Amoun of gas help Plz
P1V1=P2V2Part AA sample of ideal gas at room temperature occupies a volume of 11.0 L at a pressure of 672 torr. If the pressure changes to 3360 torr, with no change in the temperature or moles of... more
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03/18/22

Iron reacts with sulfur , producing iron sulfide according to the chemical reaction . What is the maximum quantity (in grams) of iron sulfide produced if we use 0.5 moles of sulfur? Fe + S → FeS.
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03/18/22

Iron reacts with sulfur , producing iron sulfide according to the chemical reaction . What is the maximum quantity (in grams) of iron sulfide produced if we use 0.5 moles of sulfur? Fe + S → FeS.
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03/18/22

Iron reacts with sulfur , producing iron sulfide according to the chemical reaction . What is the maximum quantity (in grams) of iron sulfide produced if we use 0.5 moles of sulfur? Fe + S → FeS.
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03/18/22

Calculus Homework
A rectangular billboard 5 feet in height stands in a field so that its bottom is 9 feet above the ground. A nearsighted cow with eye-level at 4 feet above the ground stands theta feet from the... more
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03/18/22

how do i find if a transition is smooth between two functions using derivatives?
i have two functionsone is an ex function f(x) = -ex+46.46 {-4 < x < 0} . the derivative is -exthe second is a straight line f(x)= -1.32x+45.46 {0 < x < 16.84}. the derivative is... more
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03/17/22

Please help!! I cant find the domains

For each pair of functions, find  and  . Determine the domain of  and the domain of . Show your work.1.  and 2.  and 3.  and 4.  and 5.  and 
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03/17/22

Please help!! I cant find the domains

For each pair of functions, find  and  . Determine the domain of  and the domain of . Show your work.1.  and 2.  and 3.  and 4.  and 5.  and 
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03/17/22

What volume does 8.0g of carbon dioxide gas occupy at STP
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03/17/22

Simplify and write the trigonometric expression in terms of sine and cosine:
Simplify and write the trigonometric expression in terms of sine and cosine:cot(−x)cos(−x)+sin(−x)=−1/f(x)so then..f(x)=
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03/17/22

A Ferris wheel is 25 meters in diameter and boarded from a platform that is 1 meters above the ground.

A Ferris wheel is 25 meters in diameter and boarded from a platform that is 1 meters above the ground. The six o'clock position on the Ferris wheel is level with the loading platform. The wheel... more
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