08/23/22

Eliot supplied 2000 calories of heat to 500 grams of lead at 25°C.

What is the final temperature of the lead? The specific heat capacity of lead is 0.031 cal/g°C.
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08/23/22

John found that the temperature of her aluminium container of mass 500g fell from 50°C to 35°C.
Calculate the amount of heat lost by the container. The specific heat capacity of aluminium is 900]/Kg°C.
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08/23/22

f(x) = √(x-6)/(x+1)
Find the domain
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08/22/22

Why does definite integral have the operation subtraction? Does the definite integral always have to involve finding the area and if not, why?
For examplef' or f prime = [f(b) - f(a)] ÷ (b - a) = The integral from a to b and f'(x)dx or f prime dx Divided by (b - a)No area is being found. I hope there are better examples. I'm sorry
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08/22/22

Consider a triangle ABC. Suppose that A=108°, C=26°, and b=66. Solve the triangle. Round your answers to the nearest tenth.
a between B and Cb between A and Cc between A and B
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08/22/22

how many grams of drug will the patient recieve if they infuse the entire volume in 1 day
a 10%IVIG product contain 1 gram of drug in each 10 ml. a payient order's calls for 1*400ml vial 1*200 ml vial, 1* 100 ml vial, 1*25 ml vial how many grams of drug will the patient recieve if they... more
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08/21/22

Need help with this word problem
Nora bought 100 shares of a technology stock and 200 shares of a mutual fund for $3800. Her sister, Erin bought 300 shares of the technology stock and 50 shares of the same mutual fund for... more
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08/21/22

Art dealer question
An art dealer advises that, for the best display of a painting, the area of the frame should be (1/5) the area of the painting. Determine the best width of the frame for a painting 20 cm by 20 cm,... more
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08/21/22

Baseball height question
A baseball is hit from a height of 0.8 m. After t seconds, its height, h  meters, is given by the equation h=−5t^2+20t+0.8. How long does the ball stay at least 15 m above the ground?Please answer... more
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08/20/22

Soccer ball Height
The path of a soccer ball can be given by the quadratic function: h=29.4t-4.9t^2 where t s the time in seconds and h is the height in meters. (5 marks) Put the function in vertex form, and state... more
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08/19/22

What is the proof of the definition of definite integrals? Why is there subtraction of antiderivatives in the first place?
What is the proof of the subtraction of the Antiderivatives?
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08/18/22

Convert meters to cm
What is 0.925m into cm solve with a picket fence.
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08/18/22

Chemistry Question about gas & temperature

Dear experts,I would like to know how to solve this problem: How many nitrogen atoms are present in one mole of nitrogengas at the temperature of 0 ° C and at a pressure of 1 atm? (Actually it asks... more
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08/17/22

How do you construct a parallelogram? (Geometry)
How do you construct a parallelogram with a compass, I’m using an online version called maths pad.
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08/16/22

Let D(x) =3x^6-2 Write the equations of any functions h and k, so that D(x)=h(k(x)). Do not use k(x)=x or h(x)=x
a) h(x)= K(x)=b) Use your answer from a) to determine D(x)=h(k(x))
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08/13/22

solve below please
to find the distance between parallel lines with equations x + 3y = 6 and x + 3y = -14, you first have to find a point on one line, find the equation through that point perpendicular to the first... more
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08/13/22

What was the atmospheric pressure of the storm in atmospheres and in pascals?
Tropical cyclones are characterized by extremely low atmospheric pressure in the eye of the storm. The lowest recorded atmospheric pressure at sea level ever recorded was in Super Typhoon Tip as it... more
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08/13/22

The Patriots inflated each game ball to 13.0 psi prior while indoors at 85.0 F. Then, the footballs were placed and let sit in 38.0 F weather. After cooling, what is the pressure inside the football?
The New England Patriots in the National Football League (NFL) were accused of under-inflating footballs to give them a competitive advantage. The NFL requires footballs to be inflating to a... more
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08/12/22

Describe the effect of the transformation (x,y) ->+4)
0vertical stretch with beflectionOhorizontal translation of 4 unitsOvertical stretch without reflectionCvertical translation of 4 units
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08/12/22

Class 8 chapter 2 CBSE linear equation in one variable
RamRam went to a book shop to purchase three books maths science Hindi each if total cost of maths and Science book is rupees 105 and the cost of math book is rupees 15 more than that of science... more
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08/11/22

If m<1=22 and m<2=68 find m<ABC

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08/11/22

How would I write this??
The graph shows the height h in centimeters of a sunflower t weeks after it was planted as a seedling. Write a paragraph describing the sunflower's growth.Your paragraph should include estimates of... more
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08/10/22

Consider the function f(x) = x2 + 3x − 7. Find the value of f(x) when x = 3 and select the correct answer below. (5 points)
5 8 11 18
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08/10/22

A motorboat travels 552 km in eight hours going upstream and 297 km in three hours going downstream. What is the rate of the boat in Stillwater and what is the rate of the current
question.
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08/10/22

Compute the average of f(x) = e^2x / 1 + e^2x over [0,1].(Be sure to set up the definite integral first.)
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