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Roger

Questions (156)

If a number is added to 3 the result is 10 find the number
1. 3 answers
2. 92 views
...Determine whether the following equation defines 𝑦 as a function of 𝑥√𝑦 − 2𝑥 = 3
1. 1 answer
2. 348 views
Determine whether the following equation defines 𝑦 as a function of 𝑥.√𝑦 − 2𝑥 = 3
1. 1 answer
2. 305 views
Scenario A. 100 take a placebo and 100 get sick. 100 take the vaccine and only 10 get sickTherefore vaccine is 90% effective.
1. 0 answers
2. 257 views
An airplane flies at an altitude ofy = 5 miles toward a point directly over an observer (see figure). The speed of the plane is
1. 2 answers
2. 4,145 views
How did the Assyrian empire dominate Mesopotamia?A. It dominated Mesopotamia through its use of archery forces and stone
1. 4 answers
2. 1,189 views
A hot air balloon is filled with 15 moles helium gas and 5 moles nitrogen gas. What is the volume of the balloon at 1.01 atm and
1. 2 answers
2. 750 views
A large rock weighing 164N is suspended from a 3 meter wire. The density of the rock is rho_rock = 3200 kg/m^3, and the wire
1. 0 answers
2. 629 views
Each set can be identified by means of a single common featue. List the feature.{ t, n, l } { Ɛ, o, e } { Ɛ, g, j }
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2. 558 views
what is 2/6 x 1/2 remember to simplify to lowest term
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2. 560 views
how do i divide 1/6 by 2/6
1. 2 answers
2. 349 views
how do i divide 1/6 by 2/6
1. 1 answer
2. 309 views
DJ was thinking of a number. He said it had 2 digits, it ended in 5, and the number in the tens place was a 4. What number was
1. 2 answers
2. 388 views
An explosion causes debris to rise vertically with an initial velocity of 160 feet per second.In how many seconds does it attain
1. 1 answer
2. 2,123 views
Determine the value of x in al2(so4)3 . xh2o when 4 grams of aluminum sulfate hydrate was heated and 3.5 grams remain. (show
1. 0 answers
2. 557 views
Shawn Bixby borrowed $22,000 on a 150-day, 13% note. After 75 days, Shawn paid $2,500 on the note. On day 106, Shawn paid an
1. 1 answer
2. 1,071 views
Value of $40000 compounded at 5% annually for 35 years
1. 0 answers
2. 347 views
A ship sails 50km on a bearing of 080 degrees calculate how far east it travels to the nearest tenth
1. 2 answers
2. 2,259 views
A sample of hydrogen gas (H2) is produced in a laboratory by displacement of water. A 645 mL sample of hydrogen is collected at
1. 2 answers
2. 1,365 views
the number of blocks has 9 in the ones place. The number in the hundreds place is one more than the number in the tens place.
1. 1 answer
2. 524 views
Austin drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took8 hours. When Austin
1. 2 answers
2. 1,702 views
What is the relationship between the side length and the apothem of an equilateral triangle?
1. 1 answer
2. 711 views
What is the relationship between the side length and the apothem of an equilateral triangle?
1. 1 answer
2. 2,443 views
what is the relationship between the side length and the apothem in a regular hexagon?
1. 1 answer
2. 1,695 views
Which statement BEST distinguishes the Viet Cong from the North Vietnamese Army?A) The North Vietnamese Army fought beside the
1. 2 answers
2. 1,113 views
What effect did the demobilization that followed World War I have on the American workforce?A) Members of labor unions were
1. 1 answer
2. 1,089 views
The numbers 1 to 15 are placed in a hat, and a number is selected. What is the probability that the number is 4 given it is
1. 1 answer
2. 6,076 views
If three people are randomly selected, find the probability that they will all have birthdays on the same day of the year.
1. 1 answer
2. 1,258 views
The white ball in the figure has a speed of 1.67 m/s and the yellow ball is at rest prior to an elastic glancing collision.
1. 0 answers
2. 692 views
A caller informs you that it will take a $70,000 down payment and the investelemt will return $10,000 a year for the next 10
1. 1 answer
2. 464 views
use a linear approximation to estimate (8.2)^(2/3)
1. 1 answer
2. 472 views
Write a function that has two infinite limits at two different x-values.Write a function where both one sided limits exist at
1. 1 answer
2. 527 views
Find the number of decibels for the power of the sound given. Round to the nearest decibel.A rocket engine, 2.50 * 10^5 watts
1. 1 answer
2. 480 views
At what angle (in degrees) must {111} planes of platinum (Pt) be exposed to a collimated beam of thee X-rays in order to obtain
1. 0 answers
2. 464 views
4. Your program plans to acquire a total of 600 end items costing $535 million over a five-year period. The first production
1. 3 answers
2. 560 views
Please help me solve this empirical formula.Im so confusedC=58.5% H=4.1% N=11.4% and O=26.0% Thank you so much
1. 1 answer
2. 340 views
A baggage cart full of luggage is coasting at a speed vA across the airport taxiway. When eighteen percent of the mass of the
1. 1 answer
2. 3,151 views
A hailstone traveling with a velocity of 43 meters/second comes to a virtual stop 0.28 seconds after hitting water. What is the
1. 1 answer
2. 631 views
Automobile Airbags. The human body can survive an acceleration trauma incident (sudden stop) if the magnitude of the
1. 2 answers
2. 1,222 views
In which colony were people most likely to make their living by fishing.A. New Hampshire B. North Carolina C. Pennsylvania D.
1. 1 answer
2. 457 views
Fiona is dissatisfied with her current weekly salary. If she received a raise of $0.50 per hour and worked an additional 4 hours
1. 3 answers
2. 601 views
According to Newton's second law of motion, _____?A. F = mv B. F = m/a C. a = Fnet /m D. F = ma I think it is B..?
1. 1 answer
2. 1,231 views
3 times the square root of 4/9
1. 1 answer
2. 310 views
Change the logarithmic equation to an equivalent equation involving an exponent.log8^64=2 **note that the 8 should be lower than
1. 1 answer
2. 1,311 views
solve the equationloga(x-5)- loga (x+9)=loga(x-7)-loga(x+9) all a's are lower please show work
1. 2 answers
2. 525 views
solve the following exponential equatione^x-4=-e^-x please show work
1. 1 answer
2. 652 views
The function f is defined as follows:f(x)={x+6 if -5 less than or equal to x<1 f(x)={9 if x=1 f(x)={-x+5 if x>1 a. find the
1. 1 answer
2. 1,164 views
"You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature.
1. 2 answers
2. 508 views
1. If a bar magnet is broken into two pieces, how many magnetic poles are there?2. A long straight wire carries a current in the
1. 0 answers
2. 962 views
Given 1.01 g of H2 in the reaction H2 + 1/2 O2 = H2O. The Delta H for solution is 143 kJ. What is the delta H for the reaction?
1. 1 answer
2. 500 views
A 20000 kg satellite is launched from the surface of saturn and put into orbit.The satellite is launched at the speed of 27.5 x
1. 0 answers
2. 595 views
True or FalseIndicate whether the following statements are true or false. 1. T F: You cannot break up a word with the
1. 0 answers
2. 448 views
Review Questions and ExcercisesFill-in-the-Blank 1. A(n) _________ is information that is being passed to a function.
1. 2 answers
2. 396 views
Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss,
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2. 553 views
Create a list of six questions on solving equations with absolute value symbols that I will try to research, address, discuss,
1. 1 answer
2. 404 views
Find the Absolute Value by solving this algebraic-equation?x-1/3=1/2x+1/6
1. 4 answers
2. 474 views
Use the definition of absolute value to solve the following equation.x-1/3=1/2x+1/6
1. 0 answers
2. 336 views
A place kicker must kick a football from a point 25.5 m from the goal, and must clear a crossbar that is 3 m off the ground.
1. 1 answer
2. 470 views
Last year, Jasper Company earned operating income of $139,600 with a contribution margin ratio of 0.3. Actual revenue was
1. 0 answers
2. 413 views
a)Sour milk pancakes do not taste sour when sour milk and baking soda are substituted for sweet milk and baking powder .
1. 0 answers
2. 648 views
Suppose the function G(t) represents a test grade (out of 100 points) as a function of hours studied. IfG(t)=-0.046t^3+0.915t^2+
1. 4 answers
2. 760 views
Determine the following limit.lim (1/x-3) x->3
1. 1 answer
2. 386 views
Find the points of discontinuity on[-3,5] for the function f(x)=[[x-1]], where the double bracket indicates the greatest integer
1. 1 answer
2. 569 views
Describe the interval(s)on which the function f(x)=(x-11/x^2-121) is continuous.
1. 1 answer
2. 605 views
Find the derivative of the given function. Simplify and express the answer using positive exponents only.y= ((9x^2-4)^3/7x^2+4)
1. 1 answer
2. 1,096 views
Find lim f(x) for f(x)=Ix-3I/x-3x->3
1. 2 answers
2. 1,298 views
For the given equation, find the slope of the tangent to the curve at the point (-4,2).y^2+8y+x^2+8x-4=0 A. -1.50 B. -0.50 C.
1. 4 answers
2. 460 views
Use the demand functionX=325(1-(6p/7p+4)) to find the rate of change in the demand x for the given price p=$5.00. Round your
1. 1 answer
2. 2,368 views
The value V of a machine t years after it is purchased is inversely proportional to the square root of t+2. The initial value of
1. 1 answer
2. 1,525 views
Find the average rate of change on the interval [-6,3] of the function h(x)=x^2-4x+7.A. -7 B. 7 C. 1 D. 13 E. -5
1. 2 answers
2. 657 views
solve 5y+3y is less then or equal to-72
1. 1 answer
2. 323 views
can please someone check my answer.which 2 statements are true A)Morse code, Huffman coding and run-length encoding are all
1. 0 answers
2. 443 views
is it true that When two identical waveforms of the same frequency are added together, the result will be a waveform with a
1. 1 answer
2. 400 views
can please somebody check my answer:Q. A tuning fork produces a sound that has a wavelength of 136 centimetres. What is the
1. 1 answer
2. 598 views
is it true or falseA fixed length hash value of 128 bits is less collision resistant than a fixed length hash value of 512 bits
1. 1 answer
2. 544 views
I'm completely lost, need help to find which two are true:A A standard ID-1 payment card has a CVV1 code printed on it to assist
1. 0 answers
2. 445 views
3 questions if you can help me.1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of
1. 1 answer
2. 821 views
3 questions if you can help me.1. Calculate the number of subsets and the number of proper subsets for the set. {x|x is a day of
1. 1 answer
2. 684 views
Contrast the principle difference between executive pay and non-executive pay, including a discussion on controversies
1. 1 answer
2. 500 views
Describe any difference between the amounts of water that would percolate downward to the saturated zone beneath a flat meadow
1. 1 answer
2. 607 views
Syllogisms-Which are valid? Correct the invalid ones.Brain Surgeons save lives. Marie is a brain surgeon. Therefore, Marie saves
1. 2 answers
2. 494 views
Calculate the distance (in km)that Larry runs if he maintains an average speed of 8km/hr for 45 minutes.
1. 1 answer
2. 890 views
An environmental restoration project requires that you enlarge part of the map to a scale of 1 inch to 1000 feet. Calculate the
1. 3 answers
2. 767 views
Because of a recession, the value of a new house depreciated 10% each year for 3 yr in a row. Then, for the next 3 yr, the value
1. 1 answer
2. 1,075 views
How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3solution in order to bring the pH of the solution to
1. 0 answers
2. 350 views
How many moles of NaOH would you need to add to 800 ml of a 0.4 M H2CO3solution in order to bring the pH of the solution to
1. 0 answers
2. 387 views
A sample of phosphorus of mass 3.654 g reacts with dichlorine to form 16.20 g of a molecular compound. What is the empirical
1. 5 answers
2. 810 views
Express the sum below using summation notation. Use 1 as the lower limits of summation and i for the index of summation.1/3+2/4+
1. 0 answers
2. 913 views
The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of -0.35 V.
1. 0 answers
2. 641 views
The voltaic cell described by the cell notation has a standard emf (electromotive force) of 0.94 V. Calculate the value (J) for
1. 0 answers
2. 668 views
Please Help.How long, to the nearest tenth of a year, will it take $12,500 to grow to $20,000 at 6.5% annual interest compounded
1. 2 answers
2. 1,141 views
To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine
1. 2 answers
2. 1,025 views
Balanced Chemical Equation:1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the
1. 1 answer
2. 785 views
Balanced Chemical Equation:1 N204(l) + 2 N2H4(l) --> 3 N2(g) + 4 H20(g) If you start with: 5.0 x 10^4g hydrazine (N2H4) "in the
1. 4 answers
2. 718 views
Please help!x-2y+z=7 2x+y-z=0 3x+2y-2z=-2 a. Solve the above system of equations using Gaussian Elimination or Gauss-Jordan
1. 4 answers
2. 1,023 views
rhymes and plural and possessive nouns for the jumps of lambs
1. 1 answer
2. 496 views
When McDonald’s Corp. reduced the price of its Big Mac by 75 percent if customers also purchased french fries and a soft
1. 0 answers
2. 510 views
Antitrust authorities at the Federal Trade Commission are reviewing your company’s recent merger with a rival firm. The FTC is
1. 0 answers
2. 411 views
Suppose you own a home remodeling company. You are currently earning short- run profits. The home remodeling industry is an
1. 1 answer
2. 666 views
What is the inverse of the function y=3^x
1. 0 answers
2. 342 views

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