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Alyssa
Questions (536)
In a sponsored walk for charity, 560 students participated. Of these, 0.72% completed the 15-km walk. How many students
5 answers
1,287 views
Find the simple interest of $3800 at an annual rate of 3.5% for 3 years.
2 answers
659 views
the number of trucks crossing the border fell from 3240 to 2673. What is the percent decrease?
1 answer
926 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
18 answers
10,285 views
5.58g of Fe reacted with 3.0g of oxygen. How many moles of Fe were used?
1 answer
368 views
Which is the greater amount of money, 120% of 0.3% of $1000 or 120.3% of $1000?
5 answers
2,809 views
What unknown number makes these equation true. 447+99 =447+100-
1 answer
634 views
What unknown number makes these equations true 353-203 = 353-200-
0 answers
501 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
2 answers
1,439 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 answer
670 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
0 answers
470 views
what geographical features create natural boundaries for water to flow toward one ocean or another?
10 answers
5,193 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
3 answers
580 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
2 answers
585 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,
0 answers
446 views
How would you change the following Galilean transformation equations in the case where a frame was moving both in the x and the
0 answers
365 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.
0 answers
442 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 answer
1,438 views
3/8x + 180=3.5g
0 answers
425 views
Find the missing number that completes the table of values what's the Function Objective a function table Example:y= X+2
1 answer
523 views
A boy sliding down a frictionless plane inclined at an angles 35° with the horizontal. What is the acceleration of the book?
1 answer
567 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 answer
880 views
On the ruler below, identify the location of
7 3 -- 8
4 answers
390 views
We used sodium dichromate in sulfuric acid to oxidize borneol to camphor. Suppose you needed to prepare benzaldehyde from benzyl
0 answers
788 views
A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal
1. Horizontal component of weight
1 answer
984 views
A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a
2 answers
515 views
There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied
1 answer
638 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
2 answers
3,015 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 answer
518 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 answer
619 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
2 answers
574 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 answer
681 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 answer
759 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 answer
961 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)
0 answers
785 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
0 answers
908 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
0 answers
702 views
A colony of bacteria has a population of ten initially, and doubles in size every three hours. What is the population of the
3 answers
1,010 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 answer
476 views
A set of density rods is designed to illustrate the concept of density. The idea is to create cylinders of equal diameters and
3 answers
676 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
8 answers
725 views
Two groups went to the movies. The first group included 3 adults and 5 kids and paid a
total of $71. The second group included 5
1 answer
489 views
How many 1 inch squares can be cut from an 18"x24" piece of contruction paper
14 answers
4,759 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 answer
1,364 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
0 answers
657 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
2 answers
1,429 views
Write a paragraph telling how each excerpt below reflects U.S. values and the conflicts between ideals and reality.
3 answers
533 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 answer
724 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
0 answers
597 views
An object travels with a constant acceleration for 10 s. The vectors in Figure 3-41 represent the final and initial velocities.
0 answers
819 views
An object travels with a constant acceleration for 10 s. The vectors in Figure 3-41 represent the final and initial velocities.
0 answers
1,219 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 answer
545 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
2 answers
8,604 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 answer
987 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 answer
675 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 answer
502 views
Find the simple interest and the final value of the deposit that earns the given rate for the indicated length of time. Round
3 answers
564 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 answer
1,256 views
A bag of five apples contains three ripe apples and two rotten apples. If a ripe apple is selected first, what is the
3 answers
635 views
Is this independent or not. Carlos tosses a coin that comes up heads. Jennifer tosses a coin that also come up heads.
1 answer
448 views
Math: Is this statement independent or not. Jordan stayed up late last night watching television. Jordan did poorly in his quiz
1 answer
563 views
How do I figure out what quadrilateral has 90 90 125 65 digrees on each side?
1 answer
404 views
If you roll a pair of number cubes 50 times, what would be the experimental probability of P(odd and odd)
1 answer
826 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 answer
4,516 views
1)
Use an Addition or Subtraction Formula to write the expression as a trigonometric function of one number. cos 12° cos 18°
3 answers
4,601 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
0 answers
413 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 answer
847 views
I posted this question about an hour ago, got a response but still confused.
Use the Law of Sines to solve for all possible
0 answers
621 views
Use the Law of Sines to solve for all possible triangles that satisfy the given conditions. (If an answer does not exist, enter
3 answers
1,176 views
Ed Moura has $21000 invested in stocks paying 8%. How much additional money should he invest in certificates of deposit paying
1 answer
1,341 views
Analyze the flight of a projectile moving under the influence of gravity (mg) and linear, i.e., laminar- flow drag (fD = bv,
0 answers
624 views
You have a block of ice with a mass of 6.12 . The volume of the water is 100L and the volume of water when the ice is in the
1 answer
641 views
What instrument has a low pitch?
6 answers
583 views
What do waves transfer?
1 answer
476 views
Space has no air, what is another name for no air?
2 answers
417 views
What temperature makes sound travel slower?
1 answer
389 views
what temperature makes sound travel faster?
4 answers
798 views
What are the 3 things that a medium can be in sound?
1 answer
363 views
What are the 3 things that a medium can be?
2 answers
349 views
A scale drawing of a city has a scale of 3 inches : 400 feet. What is the actual length of each foot in the drawing? Show the
1 answer
616 views
how did northern and southern responses to the fugitive slave law affect their relationship?
A.it deepened on fear and anger B.it
6 answers
1,546 views
PLEASE SHOW YOUR WORK OR EXPLAIN... Mr. Webb gave his waiter a $5.60 tip on a $40 bill. What percent tip did he give the waiter?
1 answer
1,468 views
PLEASE SHOW YOUR WORK.. Marty paid $72 for a jacket that had been marked down 20%. Create a linear model to represent this and
1 answer
2,228 views
!!PLEASE SHOW YOUR WORK!! My recipe makes 96 cookies, but I'll only need 24 for the party, what will I multiply each ingredient
4 answers
1,246 views
A search on colony of bacteria triples and links every 10 minutes it's links is now 1 mm how long will it be in 40 minutes?
1 answer
515 views
A place kicker must kick a football from a point 33.0 m (about 36 yd) from the goal. As a result of the kick, the ball must
1 answer
846 views
a 1000 kg space craft at 500 m/s is on a collision course with a 400 kg satellite travelling at 700 m/s . Their paths are
1 answer
558 views
The sum of the squares of three consecutive whole numbers is 77. Form a quadratic equation and hence solve it to determine the
2 answers
1,871 views
Samantha wants to buy 6 roses 4 carnations and 8 tulips she estimates that she will spend about 14 dollars on these flowers do
5 answers
1,789 views
copper is a product of the reaction that occurs when dry ammonia is passed over a sample f heated copper(2) oxide.The equation
2 answers
931 views
My problem says
The cost of a cell phone for one month is a linear function of the numbers of minutes used. The total cost for
1 answer
1,197 views
In the answer space below, provide the larger of the two positive integers that add up to 60 and have the largest possible
2 answers
2,557 views
If 600 cm2 of material is available to make a box with a square base and a closed top, find the maximum volume of the box in
3 answers
2,279 views
3.If a gap in the fossil record exists between ancient and modern forms of a species, which of the following is the most
16 answers
2,587 views
1.Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolution
15 answers
3,849 views
I need some help with point for an essay in English about the great Gatsby.
I have a question about development of character or
1 answer
698 views
why is burning magnesium an irreversible reaction?
1 answer
784 views
-Describe the zero sum rule
-True of False: The formula for the nitride ion is N^(-3) -True of False: The stock system shows the
1 answer
511 views
A ball is dropped from ten feet and caught after it touches the ground on the 30 th bounce, what is the distance traveled by the
0 answers
399 views
Fern rounded to the nearest ten to estimate 548-132. She subtracted
540-130=410. Is Fern's estimate correct? Explain.
2 answers
662 views
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