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Alyssa

Questions (469)

Evaluate using the Pythagorean identities.Find sinθ and cosθ if tanθ = 1/4 and sinθ >0
1. 3 answers
2. 996 views
Where were most of the southern plantations located?
1. 3 answers
2. 465 views
A company did a quality check on all the packs of trail mix it manufactured. Each pack of trail mix is targeted to weigh 9.25
1. 2 answers
2. 3,482 views
A box is on a flat plane and has a force of 16 N applied downward to it at an angle of 55 degrees. The box has a mass of 28 kg.W
1. 1 answer
2. 1,008 views
Minta willwithdraw the moneyfrom her bank account when the interest earned is 300 euros. Find the time in years until Minta
1. 1 answer
2. 617 views
Given that HSO4- is a stronger acid than HPO4^2-, what is the chemical reaction if solutions containing these ions are mixed
1. 1 answer
2. 2,492 views
find an equation of the line tangent to the circle (x-1)^2+(y-1)^2=25 at the point (4,-3)Can please someone explain this to me
1. 1 answer
2. 610 views
net ionic equation to show that sulfurous acid, H2SO3, behaves as an acid in water.I got this answer but do not know if it is
1. 3 answers
2. 5,922 views
Two wires stretch from a pole to two points on the ground which are 25 feet apart. The first wire is to the left of the pole and
1. 2 answers
2. 663 views
To study the efficiency of its new price-scanning equipment, a local supermarket monitored the amount of time its customers had
1. 1 answer
2. 1,805 views
The limit limh->0 ((sqrt1+h)-1)/h represents the derivative of some function f(x) at some number a. Find f and a. Please help!
1. 1 answer
2. 615 views
The Macdonald-Cartier bridge that stretches the Ottawa River and connects Ontario to Quebec is named for two Canadian
1. 10 answers
2. 2,054 views
I have to answer negatively.¿Podemos ir a la playa o nadar en la piscina? I answered.. No, no podemos ir a la playa ni nadar en
1. 2 answers
2. 4,305 views
Suppose a total of 3572 seats were sold for a performance.How many seats in the theater would be empty that evening. Explain how
1. 1 answer
2. 531 views
Joe and Skyler can clean an entire building in 44 hours. Joe can clean the entire building by himself in 66 fewer hours than
1. 1 answer
2. 572 views
Make up an epitaph for a young coal miner, detailing the cause of death and the circumstance. Were suck people heroes of the
1. 1 answer
2. 603 views
Which equation can be used to find the measure of an angle that is supplementary to POS
1. 8 answers
2. 4,369 views
lucky drew an isosceles triangle as shown if the measures of XYZ is 25 what is the measure of XYZ
1. 8 answers
2. 1,950 views
What is the name of the online textbook used in this courseA) Language arts B) The big question C) Literature D) Write to learn
1. 28 answers
2. 5,416 views
Many plays and novels use contrasting places (for example, two countries, two cities ortowns, two houses, or the land and the
1. 1 answer
2. 1,540 views
The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool
1. 2 answers
2. 2,273 views
the mean of x and y is 12 and the mean of y and 12 is z/2. what is the mean of x and z?
1. 2 answers
2. 509 views
) An inlet pipe can fill an empty tank in 5 hours by itself, and an outlet pipe can drain the same tank when full in 7 hours by
1. 3 answers
2. 2,289 views
Find the derivative.y=e^8x/[e^(8x)+9] y' = The answer I have is 8e^8x/[(e^8x+9)^2] but it marked it incorrect..
1. 2 answers
2. 449 views
Use the function f and the given real number a to find (f^-1)'(a)f(x)=(x+9)/(x+3), x>-3, a=2 f(^-1)'(a)= ? Can someone please
1. 1 answer
2. 498 views
Use the function f and the given real number a to find (f^-1)'(a)f(x)=x^3+8x-3 a=6 (f^-1)'(6)= Thank you.
1. 6 answers
2. 594 views
The demand equation for a product isp=88,650/(396+3x) where p is the price (in dollars) and x is the number of units (in
1. 1 answer
2. 515 views
In a standard set of dominoes, a face of each domino has a line through the center, with 0 to 6 dots on each side of the line.
1. 7 answers
2. 674 views
Explain 2 enumerated powers of the president and 2 enumerated powers of congress
1. 2 answers
2. 606 views
How does making laws to the people make it easjer?THe elastic clause
1. 1 answer
2. 429 views
In what way do other branches and the public influence the bureaucracy?I need 3 paragraphs
1. 3 answers
2. 397 views
How does the 3 branches of government influence the bureaucracy?
1. 3 answers
2. 559 views
A student conducts a reaction and measures a 19.9 g yield. The theoretical yield of the reaction under the conditions used is
1. 1 answer
2. 627 views
In a sponsored walk for charity, 560 students participated. Of these, 0.72% completed the 15-km walk. How many students
1. 5 answers
2. 1,270 views
Find the simple interest of $3800 at an annual rate of 3.5% for 3 years.
1. 2 answers
2. 653 views
the number of trucks crossing the border fell from 3240 to 2673. What is the percent decrease?
1. 1 answer
2. 920 views
Just checking my answers.What is the sum or difference? 1. 2x^4 - 8x^4 A. -6x^8 B. -6x^4*** C. -16x^4 D. -16x^8 What is the sum
1. 18 answers
2. 10,278 views
5.58g of Fe reacted with 3.0g of oxygen. How many moles of Fe were used?
1. 1 answer
2. 363 views
Which is the greater amount of money, 120% of 0.3% of $1000 or 120.3% of $1000?
1. 5 answers
2. 2,801 views
What unknown number makes these equation true. 447+99 =447+100-
1. 1 answer
2. 628 views
What unknown number makes these equations true 353-203 = 353-200-
1. 0 answers
2. 494 views
Hi I really need help with this question and I don't know a thing about algebra!!! If anyone can help me understand this that
1. 2 answers
2. 1,434 views
put brackets into these statements to make them true:a) 20 - 2 + 2 * 2^2 + 6 = 26 b) 20 - 2 + 2 * 2^2 + 6 = 120
1. 1 answer
2. 663 views
We call zone of saturation the level to which the water fills all the interstices, or the pores, with the ground and all cracks
1. 0 answers
2. 465 views
what geographical features create natural boundaries for water to flow toward one ocean or another?
1. 10 answers
2. 5,184 views
I need help, it's a crossword puzzle. 10 letters, the last letter is T the 3rd letter is E.The question is: You can think of an
1. 3 answers
2. 573 views
A motorboat whose speed in still water is 2.91 m/s must aim upstream at an angle of 30.0 degrees (with respect to a line
1. 2 answers
2. 578 views
If the earth exerts a 500 N gravitational force on an object in near space, how much force does this object exert on the earth,
1. 0 answers
2. 439 views
How would you change the following Galilean transformation equations in the case where a frame was moving both in the x and the
1. 0 answers
2. 359 views
Estimate the increase in rest energy of a copper sample[100 kg, c = 387 J/(kg · °C)] if its temperature is increased 100°C.
1. 0 answers
2. 437 views
A rectangle has a width of 5 meters and length of 14 meters. If a similar rectangle has a width of 15 meters, what's its
1. 1 answer
2. 1,429 views
3/8x + 180=3.5g
1. 0 answers
2. 420 views
Find the missing number that completes the table of values what's the Function Objective a function table Example:y= X+2
1. 1 answer
2. 515 views
A boy sliding down a frictionless plane inclined at an angles 35° with the horizontal. What is the acceleration of the book?
1. 1 answer
2. 559 views
In Europe, the standard voltage is 230 V (rms), AC, and 50 cycles/s. Suppose you take your 5.00 W electric razor to Rome and
1. 1 answer
2. 861 views
On the ruler below, identify the location of7 3 -- 8
1. 4 answers
2. 386 views
We used sodium dichromate in sulfuric acid to oxidize borneol to camphor. Suppose you needed to prepare benzaldehyde from benzyl
1. 0 answers
2. 781 views
A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal1. Horizontal component of weight
1. 1 answer
2. 976 views
A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a
1. 2 answers
2. 508 views
There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied
1. 1 answer
2. 629 views
A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor.(a) How long after
1. 2 answers
2. 3,005 views
A 500 g sample of gold heated to 971.0 deg. C is placed in a calorimeter containing 220 g of water initially at 20.0 deg. C. If
1. 1 answer
2. 515 views
A cylinderical brass rod with a radius of 2.10 cm and length of 1.50 m is placed in a fire with temperature of 490 deg. C. If
1. 1 answer
2. 613 views
A 500 g sample of gold heated to 971.0 deg. C is placed in a calorimeter containing 220 g of water initially at 20.0 deg. C. If
1. 2 answers
2. 566 views
A styrofoam cooler is a cube with side length of 20.0 cm and walls with thickness of 1.9 cm. If the external temperature is 27.0
1. 1 answer
2. 669 views
I have a few physics questions that I don't understand. Two are thermal expansion problems and the other is an ideal gas law
1. 1 answer
2. 751 views
Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m.(a)
1. 1 answer
2. 955 views
Charge A, +1 μC, is positioned at the origin of a coordinate system as shown below. Charge B, −1 μC, is fixed at x = 3 m.(a)
1. 0 answers
2. 778 views
(a) Estimate the positive charge in you due to the protons in the molecules present in your body. (Assume that the human body is
1. 0 answers
2. 900 views
Tarzan (80 kg) runs toward a vine at 4.8 m/s where Jane (60 kg) is hanging on. He jumps and grabs the vine. How high does the
1. 0 answers
2. 688 views
A colony of bacteria has a population of ten initially, and doubles in size every three hours. What is the population of the
1. 3 answers
2. 1,004 views
I am a common multiple of 8 and 2. I am greater than 50 and my digits are 3 apart. What am I?
1. 1 answer
2. 471 views
A set of density rods is designed to illustrate the concept of density. The idea is to create cylinders of equal diameters and
1. 3 answers
2. 670 views
If you want to design a set of five density rods (made of aluminum, iron, copper, brass, and lead), determine the ratios of the
1. 8 answers
2. 719 views
Two groups went to the movies. The first group included 3 adults and 5 kids and paid atotal of $71. The second group included 5
1. 1 answer
2. 481 views
How many 1 inch squares can be cut from an 18"x24" piece of contruction paper
1. 14 answers
2. 4,753 views
A spring that has a spring constant of 150 N/m is oriented vertically with one end on the ground.(a) What distance does the
1. 1 answer
2. 1,356 views
I have a metal sheet of indium, and when a uv light with a wavelength of 265 nm is shone on it the surface ejects electrons that
1. 0 answers
2. 650 views
a). The length of the classroom is 30 ft. The length of the room on the scale drawing is 6 in. Is this correct? Explain why or
1. 2 answers
2. 1,423 views
Write a paragraph telling how each excerpt below reflects U.S. values and the conflicts between ideals and reality.
1. 3 answers
2. 527 views
Using GRAPHICAL METHOD, find the vector sum of a force of 20 N directed 60 degrees east of north and a force of 60 N directed
1. 1 answer
2. 718 views
"a vector r has a magnitude of 18 units and makes a 30 degree angle with respect to the x axis. find the vector components of r
1. 0 answers
2. 591 views
An object travels with a constant acceleration for 10 s. The vectors in Figure 3-41 represent the final and initial velocities.
1. 0 answers
2. 811 views
An object travels with a constant acceleration for 10 s. The vectors in Figure 3-41 represent the final and initial velocities.
1. 0 answers
2. 1,212 views
A Car is moving at an average speed of 60 km/h. Find the algebraic expression for the kilometer it would travel in y minutes.Com
1. 1 answer
2. 540 views
A black mamba snake has a length of 4.3 m and a top speed of 8.9 m/s! Suppose a mongoose and a black mamba find themselves nose
1. 2 answers
2. 8,596 views
A jet takes off from SFO (San Francisco, CA) and flies to YUL (Montréal, Quebec). The distance between the airports is 4100 km.
1. 1 answer
2. 982 views
A Bugatti Veyron 16.4 can accelerate from 0 to 60 mi/h in 2.4 s. The Saleen S7 Twin Turbo goes "from 0 to 60" in 2.8 s.
1. 1 answer
2. 668 views
Deshawn and Luke had an equal number of stickers. After Deshawn used 26 stickers and Luke lost 38 stickers,Deshawn had twice as
1. 1 answer
2. 497 views
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round
1. 3 answers
2. 559 views
The cost C in dollars of having an electrician come to your house to do a repair job in h hours if he charges $16 for coming to
1. 1 answer
2. 1,248 views
A bag of five apples contains three ripe apples and two rotten apples. If a ripe apple is selected first, what is the
1. 3 answers
2. 629 views
Is this independent or not. Carlos tosses a coin that comes up heads. Jennifer tosses a coin that also come up heads.
1. 1 answer
2. 443 views
Math: Is this statement independent or not. Jordan stayed up late last night watching television. Jordan did poorly in his quiz
1. 1 answer
2. 557 views
How do I figure out what quadrilateral has 90 90 125 65 digrees on each side?
1. 1 answer
2. 400 views
If you roll a pair of number cubes 50 times, what would be the experimental probability of P(odd and odd)
1. 1 answer
2. 822 views
I am really struggling with how to do these problems, I posted them a few minutes ago but the answers/work shown was incorrect.1
1. 1 answer
2. 4,508 views
1)Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos 12° cos 18°
1. 3 answers
2. 4,596 views
for a project i had to make cards with words and then an example of those words, and i've done almost all of them, but I have a
1. 0 answers
2. 409 views
Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter
1. 1 answer
2. 838 views

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