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Nathan

Questions (224)

The batteries from a certain manufacturer have a mean lifetime of890 hours, with a standard deviation of 90 hours. Assuming that
1. 1 answer
2. 1,649 views
Zn + VO3 ^- --> Zn ^2+ + V^+3Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO +
1. 0 answers
2. 488 views
Zn + VO3 ^- --> Zn ^2+ + V^+3Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO +
1. 2 answers
2. 454 views
Zn + VO3 ^- --> Zn ^2+ + V^+3Fe ^2+ + H2O2 + OH- --> Fe (OH) 3 V2O5 + I- + H^+ --> VO2 + I2 + H20 P + H+ + NO3- + H2O -->'NO +
1. 1 answer
2. 454 views
At a temperature of 23.0 degrees celcius, and a pressure of 2.25 bar what volume would 23.0 g of a compound in the gaseous state
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2. 768 views
you have 12.56 g of a mixture made up of sodium chloride and barium chloride. explain how you could use a precipitation reaction
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2. 483 views
A math problem in a workbook says to write a number sentence you could solve using these doubles.35+35 The answer is supposed to
1. 1 answer
2. 568 views
I have to make two classes, one is to import a file and display the integers in the file. The other class has to take the
1. 1 answer
2. 477 views
with a tailwind, a bird flew at a ground speed of 3 mi/h. Flying the same path against the same wind, the bird travels at a
1. 1 answer
2. 2,132 views
The top and bottom margins of a poster are 2 cm and the side margins are each 4 cm. If the area of printed material on the
1. 1 answer
2. 5,919 views
Implement the classic “Rock, Paper, and Scissors game” using following methods:Headers of the methods are shown public
1. 1 answer
2. 516 views
Consider the function f(x)=4(x-5)^(2/3). For this function, there are two important intervals: (-Inf, A) and (A, Inf) Where A is
1. 1 answer
2. 727 views
Consider the function f(x)=-2x^3+33x^2-108x+2. For this function, there are three important intervals: (-Inf,A], [A,B], [B,Inf)
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2. 1,384 views
Find all numbers c that satisfy the conclusion of Rolle's Theorem for the following function.If there are multiple values,
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2. 6,723 views
Evaluate the limit. as x approaches infinity, lim sqrt(x^2+6x+3)-x
1. 1 answer
2. 2,346 views
If f(x) = 2sin(5x)arcsin(x), find f'(x).
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2. 961 views
Find the derivative of the function. g(x) = (e^x)/(3 + 3x)
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2. 845 views
Let f(x) = 6sin(sin(x^5)). Find f'(x)
1. 1 answer
2. 417 views
Gravel is being dumped from a conveyor belt at a rate of 10 cubic feet per minute. It forms a pile in the shape of a right
1. 2 answers
2. 1,029 views
The top of a 24 foot ladder, leaning against a vertical wall, is slipping down the wall at the rate of 4 feet per second. How
1. 2 answers
2. 1,531 views
Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2-y^2) at point (-3,-1).
1. 1 answer
2. 837 views
A baseball diamond is a square with sides of length 90 ft. A batter hits the ball and runs toward first base with a speed of 21
1. 1 answer
2. 1,596 views
A street light is at the top of a 17 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 6 ft/sec. How fast
1. 1 answer
2. 1,574 views
1. The law of diminishing returns implies that at some output level:a) Marginal cost must fall b) Average total cost must
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2. 942 views
50.0 mL of 0.116 M NaOH is titrated with 0.0750 M HCl. Calculate the pH after the addition of 5.0 mL volume of acid.
1. 1 answer
2. 1,451 views
3n/(n2 -7n + 10) - 2n/(n2-8n+15)thanks
1. 1 answer
2. 536 views
The sorting algorithm known as bogosort can be described in pseudocode as:while not isSorted(input): shuffle(input) If we feed
1. 0 answers
2. 573 views
In a computer lab there are two di erent printers. From 1pm-2pm Printer1 receives on average 12 printjobs and Printer2 receives
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2. 533 views
You weigh out 1.20 g of sodium carbonate monohydrate, dissolve it in water and react it with 15.00 mL of 2.00 M HCl. Write an
1. 1 answer
2. 576 views
How many moles of bromine are there in a 0.35 mL dichloromethane solution of 10% bromine?Density of Bromine = 3.10g/mL Density
1. 1 answer
2. 2,808 views
tortious and hare race traveling at the same speed the tortoise finishes first. The toroise travels in a steady strate line
1. 1 answer
2. 420 views
g(x)= (((x-1)/x)-1)/((x-1)/x)Simplify and state the domain.
1. 1 answer
2. 337 views
There are 4 more girls in Mrs. Chang's class than Mr. Blackwell's class. Five girls moves from Mr. Chang's class to Mr.
1. 1 answer
2. 530 views
A hot-air balloon has just lifted off and is rising at the constant rate of 1.51 m/s. Suddenly, one of the passengers realizes
1. 1 answer
2. 534 views
A hot-air balloon has just lifted off and is rising at the constant rate of 1.51 m/s. Suddenly, one of the passengers realizes
1. 0 answers
2. 523 views
In an action movie, the villain is rescued from the ocean by grabbing onto a ladder hanging from a helicopter. He is so intent
1. 1 answer
2. 2,904 views
When the sun is 30.4 degrees above the horizon, you measure the shadow of a tree to be 52.9 meters long. How tall is the tree?
1. 1 answer
2. 428 views
In the figure below, a spider is resting after starting to spin its web. The gravitational force on the spider is 0.167 N on the
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2. 763 views
Find the number of different groups that could be made using 11 people from a set of 30
1. 1 answer
2. 362 views
write the following in compact form using factorialsa. 38*37*36*35*34*33 b. 14!/19*18*17*16*15
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2. 426 views
2sec(3x-(pi/3))Find the period.
1. 2 answers
2. 305 views
Factor over {complex numbers}9x^2 + 49
1. 1 answer
2. 407 views
Solvex^2-6x+13=0
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2. 442 views
A 0.5kg puck traveling in a horizontal circle of radius 3.2m has a frequency of 0.5Hz. what is the centripetal force on the
1. 1 answer
2. 390 views
log32 8 = xno decimal approximations
1. 1 answer
2. 425 views
Water is leaking out of an inverted conical tank at a rate of 10,000 cm^3/min at the same time that water is being pumped into
1. 0 answers
2. 652 views
Two people start from the same point. One walks east at 3 mi/h and the other walks northeast at 2 mi/h. How fast is the distance
1. 0 answers
2. 684 views
Reversible equilibrium:what would the effect be by adding hydrogen gas to: 3Fe(s)+4H20(i)<==>Fe3O4(s)+4H2(g) and... effect of
1. 3 answers
2. 514 views
Iron metal is produced from the ore iron(III) oxide by reacting the ore with gaseous carbon monoxide at high tempature to
1. 1 answer
2. 650 views
I am stumped on this one...Please help!!!Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify
1. 1 answer
2. 2,179 views
I've exhausted possibilities to find an isotope that has 42 protons and 44 neutrons; does one exist? Molybdenum has 42 protons
1. 1 answer
2. 709 views
How much energy in kJ is required to raise a 1.75 kg block of gold from 25.0 C to 105.0 C? The specific heat of gold is 0.03083
1. 1 answer
2. 533 views
How do you find GCF (boomerang method)?
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2. 373 views
How do you find GCF (boomerang method)?
1. 1 answer
2. 411 views
How do I name the quadrand in which angle thada may lie if sec thada > 0 and tan thada > 0?
1. 1 answer
2. 420 views
How do I find the quadrant in which angle thada may lie if cos thada > 0 and tan thada < 0?
1. 1 answer
2. 584 views
The weights of adult males are normally distributed with a mean of 172 lb and a standard deviation of 29 lbQ.Find the weight
1. 1 answer
2. 888 views
A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating
1. 1 answer
2. 1,455 views
Consider an antenna transmitting a power of 5W at 900MHz. Calculate the received power at a distance of 2km if propagation is
1. 4 answers
2. 1,563 views
A network has a capacity of 90,000 frames per minute and the input to the network is 900 frames per second. If .05% of all
1. 1 answer
2. 429 views
The following table shows the density of the random variable X.x 1 2 3 4 5 6 7 p(x) 0.03 0.01 0.04 0.3 0.3 0.1 0.01 8 ? A. Find
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2. 836 views
Find the probability whenA. k = 2 and ë = 0.01 for Poisson distribution B. p = 0.01 and k = 2 for geometric distribution C.
1. 0 answers
2. 656 views
A baseball is pitched at 40 m/s. The batter hits the ball directly back at the pitcher at 50 m/s. What is the magnitude of the
1. 0 answers
2. 1,265 views
Two cars adjacent to each other on a highway. The first car accelerates uniformly at 3m/s2 the moment the light turns green. The
1. 1 answer
2. 1,060 views
Draw a rectangle with an area of 48 cm squared that has a decimal factor for either the length, the width, or both.
1. 1 answer
2. 394 views
How much water would you add to 12 M HCl to make 650 mL of 1.5 M HCl? Hint: This is a dilution problem
1. 3 answers
2. 414 views
What is “the problem of evil,” and why is it particularly problematic for Western, monotheistic religious traditions?I am
1. 2 answers
2. 1,021 views
A quadrilateral has angle measures of 71 degrees, 28 degrees, and 115 degrees. Which is the measure of the last angle?
1. 1 answer
2. 246 views
How Do Various Types of Fertilizers Change the Growth Characteristics of Plants?
1. 1 answer
2. 380 views
the circumference of circle j is 24 pie. what is the perimeter of jkl
1. 2 answers
2. 429 views
Explain what makes the speed of the computer increase and how the other components interact.
1. 1 answer
2. 350 views
"Roger Chillingworth's main objective is to revenge upon Dimmensdale and not redeeming himself by helping Hester." Is this a
1. 2 answers
2. 879 views
How is fresh water used in industry?
1. 0 answers
2. 512 views
How many moles are in a sample of cobalt containing 5.0x10^23 atoms?
1. 1 answer
2. 550 views
Advice on my Tennis Ball Launcher...That Shoots 90 MetersIt can't rely on anything explosive, combustion, or electricity
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2. 889 views
Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of
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2. 1,225 views
How would I make v the subject of the following equation?5v=3(v+r)
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2. 433 views
Prove that 2/square root 3cosx-sinx=sec(pi/6-x)
1. 1 answer
2. 2,392 views
In a particular hospital, newborn babies were delivered yesterday. Here are their weights (in ounces):106 104 96 123 116
1. 1 answer
2. 1,007 views
A 225-kg crate is pushed horizontally with a force of 710 N. If the coefficient of friction is 0.20, calculate the acceleration
1. 5 answers
2. 3,609 views
Near x=0, the tangent line approximation gives e^(−3x)
1. 0 answers
2. 502 views
A retail store estimates that weekly sales s and weekly advertising costs x (both in dollars) are related bys=50000−430000e^(�
1. 1 answer
2. 1,590 views
a park has 4 hiking trails. trails A and B go from the lodge to the dock. trail A is 1/2 mile long, and trail B is 2/3 mile
1. 2 answers
2. 603 views
The following is a tableRange in lb Number Under 50-54 4 55-59 7 60-64 6 65 and higher 2 1. Write a simple comparison problem
1. 2 answers
2. 720 views
-6(1+2x)=78Please work the problem out, so I can see how it is done. Thank you!
1. 1 answer
2. 427 views
. A small statue in the shape of a falcon has a weight of 24.1 N. The owner of the statue claims it is made of solid gold.When
1. 1 answer
2. 2,137 views
Can getting wisdom teeth removed increase your susceptibility to the flu?
1. 1 answer
2. 397 views
Could you please check my work?3/(x-7)=2/(2x+1) 3(2x+1)=2(x-7) 6x+3=2x+-14 x=-4.25 I appreciate it.
1. 1 answer
2. 350 views
Chromium is produced by reacting its oxide with aluminum. If 76 g of Cr2O3 and 27 g of Al completely react to form 51 g of
1. 0 answers
2. 701 views
Which equation can you use to find the value of b?A.7+b+4=15 B. 1+5+b=15 C. b=2+4+15
1. 2 answers
2. 387 views
In a number square, the sum of the numbers in each row, column, and main diagonal is the same.Find the sum of the number square.
1. 1 answer
2. 592 views
Two balloons are filled with an equal volume of air. One is put in the refrigerator for one hour, while the other is heated in a
1. 10 answers
2. 8,578 views
How is the air similar to a sponge?
1. 7 answers
2. 1,948 views
Hey mathmate is it posible to make the computer read my powerpoint presentation and thanks again for answering my other question
1. 4 answers
2. 518 views
its instructions arent clear and it dosent answer my question properly
1. 4 answers
2. 510 views
how do I add sounds with my animation when using powerpoint
1. 2 answers
2. 931 views
If the southern hemisphere contains 10 percentland and the northern hemispherecontains 40 percent land, what percentof Earth is
1. 1 answer
2. 548 views
Let 5a + 12b and 12a + 5b be the side lengths of a right-angled triangle and 13a + kb be the hypotenuse, where a, b and k are
1. 6 answers
2. 517 views
What are written techniques in English?
1. 1 answer
2. 373 views
Exam scores were normal in MIS 200. Jason's exam score was 1.41 standard deviations above the mean. what percentile is he in?
1. 2 answers
2. 1,899 views

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