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Becca

Questions and answers by Becca, page 2

Questions (187)

A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the
1. 1 answer
2. 468 views
The ramp shown below is used to move crates of fruit to loading docks of different heights. When the horizontal distance AB is
1. 7 answers
2. 5,100 views
I need some help figuring these.Compute each product and simplify the result. I don't have the squareroot sign so put that
1. 1 answer
2. 539 views
Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive
1. 4 answers
2. 1,246 views
I need some help figuring these.Compute each product and simplify the result. I don't have the squareroot sign so put that
1. 3 answers
2. 532 views
What is 2.49 divided by 89?(BTW im not cheating im just having trouble checking my answers
1. 1 answer
2. 405 views
Jana hit a golf ball with an initial velocity of 102 feet per second at an angle of 67° with the horizontal.After 2 seconds,
1. 5 answers
2. 1,722 views
1. A triangular prism has vertices at A(2, 0, 0), B(2, 1, 3), C(2, 2, 0), D(0, 0, 0), E(0, 1, 3), and F(0, 2, 0).Which image
1. 2 answers
2. 511 views
1. A triangular prism has vertices at A(2, 0, 0), B(2, 1, 3), C(2, 2, 0), D(0, 0, 0), E(0, 1, 3), and F(0, 2, 0).Which image
1. 2 answers
2. 566 views
1. A triangular prism has vertices at A(2, 0, 0), B(2, 1, 3), C(2, 2, 0), D(0, 0, 0), E(0, 1, 3), and F(0, 2, 0).Which image
1. 4 answers
2. 1,106 views
1. A triangular prism has vertices at A(2, 0, 0), B(2, 1, 3), C(2, 2, 0), D(0, 0, 0), E(0, 1, 3), and F(0, 2, 0).Which image
1. 2 answers
2. 531 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
1. 1 answer
2. 342 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
1. 1 answer
2. 323 views
Find the inner product of a and b if a= (3, 0, –1) and b= (4, –2, 5), and state whether the vectors are perpendicular.
1. 3 answers
2. 306 views
The initial state consists of a closed system containing one mole of super-heated liquid water at 115°C and 1 atmosphere
1. 1 answer
2. 815 views
1.Graph the polar equation r=3-2sin(theta)2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular
1. 1 answer
2. 554 views
1.Graph the polar equation r=3-2sin(theta)2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular
1. 1 answer
2. 669 views
1.Graph the polar equation r=3-2sin(theta)2. Find the polar coordinates of 6 radical 3,6 for r > 0. 3. Find the rectangular
1. 4 answers
2. 861 views
1.) Solve the system by triangularizing the augmented matrix and using back substitution.-x-y+z=1 x-y-4z=-7 4x+y+z=6 2.) Perform
1. 0 answers
2. 785 views
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C1.
1. 2 answers
2. 501 views
I need help with these! I got B for 1. C for 2. and D for 3. Thanks for the help!1.) Find the values of a, b, and c that will
1. 1 answer
2. 335 views
If the floor plan of a new building is shown the building cost $35.00 a saqure foot to construct you need to obtain insurance
1. 5 answers
2. 887 views
Find the common ratio r and the value of A1 with the information given.1. A3=324 A7=64 2. A4=32/3 A8=54
1. 3 answers
2. 466 views
Two questions I need help with.Find the indicated partial sum using the information given. 1. a3=4/9, a7=9/64, S6 Determine
1. 3 answers
2. 668 views
Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0.For 2x^2 + xy + 2y^2 = 1, find ,
1. 2 answers
2. 683 views
Find the coordinates of the center of the ellipse represented by 4x^2 + 9y^2 – 18y – 27 = 0.For 2x^2 + xy + 2y^2 = 1, find ,
1. 2 answers
2. 544 views
The Geometric distribution is used when we want to ﬁnd the probability of performing a sequence oftrials with X “failures”
1. 1 answer
2. 520 views
For X ∼ Poi(λ), show that E(X) = λ and V ar(X) = λ. (Hint: Find E[X(X − 1)] = E(X2) − E(X).)
1. 1 answer
2. 507 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 2 answers
2. 667 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 2 answers
2. 667 views
Calculate the partial pressure of propane in a mixture that contains equal numbers of moles of propane (C3H8) and butane (C4H10)
1. 2 answers
2. 561 views
It was observed that blood glucose levels were falling in an individual. This event would be sensed by (a) cells in the (b) of
1. 3 answers
2. 596 views
You have a kiln where theinterior is a cube with an edge length of 30 cm. The walls of the kiln are made of an insulating
1. 1 answer
2. 379 views
The equation of motion for an oscillator in vertical SHM is given by y=(0.60m)sin[(130rad/s)t].Part A What is the amplitude of
1. 4 answers
2. 1,133 views
A vertical scale on a spring balance reads from 0 to 220N . The scale has a length of 15.0cm from the 0 to 220N reading. A fish
1. 1 answer
2. 969 views
How could you use the words feel and turn as a linking verb?
1. 1 answer
2. 399 views
Determine the value of each expression25% of 200
1. 1 answer
2. 427 views
98. On which of these hills does the ball roll down with increasing speed and decreasing acceleration along the path? (Use this
1. 2 answers
2. 1,102 views
An artillery shell is fired at an angle of 67.4◦ above the horizontal ground with an initial speed of 1560 m/s.The
1. 2 answers
2. 676 views
What are two numbers that add to 615 but multiply to -90000? I'm trying to factor the quadratic x^2+615x-90000
1. 2 answers
2. 560 views
My locker combination has three digits. None of the digits are 0. What is the probability that the first digit of my locker
1. 1 answer
2. 428 views
Seth had a bag with 4 green, 5 yellow, and 6 blue marbles in it. If Seth draws a yellow marble and does not replace it, what is
1. 3 answers
2. 680 views
As part of a safety investigation, two 1200kg cars traveling at 24m/s are crashed into different barriers.Find the average force
1. 2 answers
2. 1,058 views
Use the distributive property to write (each of) the following expression(s) as the sum of monomials.M. (t - 1)(t + 1)(t^2 + 1)
1. 2 answers
2. 933 views
A town is organizing a parade. There will be floats of only 2 sizes, 30ft. and 15ft. A space of 10 ft. will be left after each
1. 1 answer
2. 643 views
For another picnic, you want to make hamburgers with pickles, again without having any left over. You need to balance the number
1. 4 answers
2. 8,405 views
What mass of baking soda (NaHCO3) would be required to neutralize 10.00mL of 12.1M muriatic acid remaining in a empty water
1. 4 answers
2. 1,656 views
You made 100.0 mL of a lead(II) nitrate solution for lab but forgot to cap it. The next lab session you noticed that there was
1. 4 answers
2. 1,524 views
How do you find the p-value???Thanks! In the past, 35% of the students at ABC University were in the Business College, 35% of
1. 1 answer
2. 1,217 views
A solution is prepared by dissolving 0.1 mol of ethanoic acid (CH3COOH) in 500ml of water at 25 C. pKa of ethanoic acid is 4.7.W
1. 2 answers
2. 636 views
Which of these factors MOST shaped American identity?A: The United States is located in North America. B: Aristocratic royal
1. 10 answers
2. 776 views
Please check my answer!What is the capitalized phrase? TO SCORE ACCURATELY, bowlers must learn what the terms spare, strike, and
1. 4 answers
2. 831 views
Please give me some advice!!!!Compare and contrast the poem "Mexicans Begin Jogging" to the story "Delfino II: Diez in the
1. 5 answers
2. 3,139 views
Lucy spends 4 hours a week babysitting.Her Sister Lily spends 7/8 as much time babysitting. Does Lily babysit for more or less
1. 9 answers
2. 2,673 views
Which goods would be included in the calculation of GDP?A. toys made in China at a factory owned by a U.S. company B. cars made
1. 10 answers
2. 2,552 views
Please help me with this!! I am really confused about it...1. A 75 kg. man steps off the end of a diving board, and hits the
1. 6 answers
2. 678 views
Please check my answers!!1. A 75 kg. man steps off the end of a diving board, and hits the water at 7.7 m/s. Ignoring air
1. 3 answers
2. 685 views
A girl stands 7 meters away from a building. The angle of elevation from where she stands is 25 degrees. How tall is the
1. 2 answers
2. 515 views
PLEASE HELP!!! I'm really confused about these question from Romeo and Juliet... I marked the answers that I "think" are right
1. 31 answers
2. 10,175 views
PLEASE HELP!! I really don't understand this...I just started learning about trigonometry and SOH CAH TOA and I think this
1. 4 answers
2. 560 views
Please help me with these question about Romeo and Juliet!!! They really are confusing me!!1. In act 4 scene 1 of Romeo and
1. 7 answers
2. 7,671 views
Please check my answer!! I would be great if you could explain this to me a little as well...To find the amplitude, measure_____
1. 3 answers
2. 500 views
Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my
1. 4 answers
2. 1,615 views
Please Please HELP!!!! I need the answer to this and i've worked it out but I don't know if it is correct... Please check my
1. 2 answers
2. 771 views
PLEASE HELP!! I'm confused because I know that the conjugated form for "yo" is digo, but I think it might be decir also because
1. 4 answers
2. 952 views
The ratio of the length of a rectangle to the width of a rectangle is 5:2 if the link is 45 centimeters what is the width of the
1. 3 answers
2. 789 views
Two positive charged spheres, one with 2 times the charge of the other are 38 cm apart. The net force between them is 0.77 N.
1. 1 answer
2. 462 views
Why did Adams increase the size of the American Navy?He wanted to prepare for all-out war on Britain He hoped it would deter
1. 3 answers
2. 1,098 views
What is the value of [h3o] in a solution where [oh]=4.20x10^-6
1. 2 answers
2. 487 views
the top of a rectangular table has a length that is two times it's width. The perimeter of the tabletop is 144 inches. What is
1. 3 answers
2. 1,631 views
Given the reaction: Fe2SiO4 (s) + 2 H2CO3 (aq) ----> 2FeCO3 (s) + H4SiO4 (aq). How many grams of Fe2SiO4 are required to
1. 1 answer
2. 503 views
A particle on the x-axis is moving to the right at 2 units per second. A second particle is moving down the y-axis at the rate
1. 4 answers
2. 2,028 views
In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number
1. 2 answers
2. 599 views
In a study of MP3 player popularity, 22% of people in a random sample of 1100 Americans age 12 and older indicated that they
1. 1 answer
2. 1,109 views
The dome over the town hall has a parabolic shape. I measure 48 m across and rises 12 m at its center. Determine the quadratic
1. 2 answers
2. 743 views
How do you evaluate 16(2^-3 - 4^-2)?
1. 3 answers
2. 361 views
Quartzite and marble can look very similar. Why do you think artists carve sculptures out of marble more often than quartzite?
1. 1 answer
2. 1,226 views
read the passage and answer the question below.“They expressed their great satisfaction, saying that no greater good could
1. 5 answers
2. 692 views
R=3-2sintheta find the areaThe ans is 11π why I am I getting 12π I double checked my work still getting 12π
1. 1 answer
2. 269 views
can someone please explain to me1. When doing parametric curves how do you find concavity (concave up or concave down) 2. When
1. 4 answers
2. 272 views
∫ [∞,0] xe^-x dxEvaluate the improper integral Can't figure it out been trying for the past hour
1. 1 answer
2. 340 views
y=1x+11y=2x+9 Solve Substitution showing steps.
1. 1 answer
2. 190 views
An experiment consists of rolling a number cube. Use the results in the table to find the experimental probability of rolling an
1. 2 answers
2. 755 views
The space needle is 605 ft tall
1. 3 answers
2. 180 views
The space Needle is 605 ft tall a model of the building is 15 in tall what is the ratio of the height of the model to the height
1. 7 answers
2. 228 views
3.2^4c256.7
1. 3 answers
2. 17 views
3.2x10^4 x 256.7
1. 3 answers
2. 31 views

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