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kristy

Questions and answers by visitors named kristy

Questions (64)

What is the unit rate?A racing car travels 180 miles in 1.5 hours. 5 i need it as a fraction like: 180mi/1.5 hrs thats not the
1. 1 answer
2. 586 views
wicth is bigger,0.355 or0 0.5?
1. 1 answer
2. 296 views
need a written summary ASAP!!!! help
1. 3 answers
2. 495 views
1. Ned reads textbooks (y) and harlequin romance novels (x). He sends about $250 per quarter on books.His demand for textbooks
1. 1 answer
2. 445 views
how many drops of 0.5M NaOH are needed to neutralize 10 drops of 1.0M HCl? What would be the pH of the neutral solution?
1. 3 answers
2. 1,108 views
Given a right triangle with legs 8 and 5, find the measure of the two acute angles. (Round to the nearest hundredth
1. 1 answer
2. 358 views
A passenger airplane flying at an altitude of 1.8 km starts its final airport approach by descending at an angle of depression
1. 2 answers
2. 579 views
Use the appropriate cofunction to find an equivalent expression for cos 54°cot 24 sec 32 sin 36 csc 44
1. 2 answers
2. 709 views
Need help!If you're preparing a bulletin board, how many ideas should you try to get across at one time? A One B Two C Four D As
1. 3 answers
2. 769 views
if a fair coin is tossed 4 times, what is the probability of getting heads the first 3 times, and tails the fourth itme?
1. 2 answers
2. 1,245 views
if digits can't be repeated, how many 4-digit numbers can be arranged using the digits 1, 3, 5, 7, and 9?
1. 1 answer
2. 401 views
To what Celsius temperature must a gas sample initially at 20 degrees Celsius be heated if its volume is to double while the
1. 5 answers
2. 3,088 views
what are the 5 largest rivers in middle and central america and their relative location.
1. 2 answers
2. 740 views
The height h(in ft) above the ground of a submarine-launches missile is given by the function h=-16t+96t+80 where t represents
1. 1 answer
2. 436 views
if the earths orbit is 1.5x10^8km, determine how fast earth moves along its orbit assume there are 365 days in a year. remember
1. 2 answers
2. 610 views
a remote internet webpage may sometimes reach your computer by going through a geostationary satellite orbiting approx.
1. 2 answers
2. 958 views
If we represent the sun as volleyball (diameter =65cm)how far away would be find earth in this model? Note the suns actual
1. 1 answer
2. 1,257 views
Identify the initial value and growth or decay factor in each of the following exponential functions:a) y= 350 x 5^x b) Q= 25000
1. 2 answers
2. 1,036 views
As a contrast between the old and the modern and between the large and the small, consider the following: In old rural England 1
1. 2 answers
2. 1,039 views
A stone is dropped into a river from a bridge 45.4 m above the water. Another stone is thrown vertically down 1.14 s after the
1. 1 answer
2. 530 views
A startled armadillo leaps upward, rising 0.521 m in the first 0.204 s. (a) What is its initial speed as it leaves the ground?
1. 1 answer
2. 390 views
A bolt is dropped from a bridge under construction, falling 81 m to the valley below the bridge. (a) How much time does it take
1. 3 answers
2. 1,746 views
A stone is dropped into a river from a bridge 45.4 m above the water. Another stone is thrown vertically down 1.14 s after the
1. 2 answers
2. 559 views
A lead ball is dropped in a lake from a diving board 5.89 m above the water. It hits the water with a certain velocity and then
1. 1 answer
2. 694 views
A rock is dropped from a 196-m-high cliff. How long does it take to fall (a) the first 98.0 m and (b) the second 98.0 m?
1. 2 answers
2. 520 views
A rock is shot vertically upward from the edge of the top of a tall building.The rock reaches its maximum height above the top
1. 3 answers
2. 1,904 views
To test the quality of a tennis ball, you drop it onto the floor from a height of 4.31 m. It rebounds to a height of 2.51 m. If
1. 2 answers
2. 565 views
A stone is dropped into a river from a bridge 45.4 m above the water. Another stone is thrown vertically down 1.14 s after the
1. 3 answers
2. 776 views
You are to make four straight-line moves over a flat desert floor, starting at the origin of an xy coordinate system and ending
1. 2 answers
2. 599 views
A rock is dropped from a 196-m-high cliff. How long does it take to fall (a) the first 98.0 m and (b) the second 98.0 m?
1. 3 answers
2. 2,589 views
A startled armadillo leaps upward, rising 0.521 m in the first 0.204 s. (a) What is its initial speed as it leaves the ground?
1. 1 answer
2. 445 views
To test the quality of a tennis ball, you drop it onto the floor from a height of 4.31 m. It rebounds to a height of 2.51 m. If
1. 3 answers
2. 1,138 views
A lead ball is dropped in a lake from a diving board 5.89 m above the water. It hits the water with a certain velocity and then
1. 1 answer
2. 395 views
At one instant a bicyclist is 58.0 m due east of a park's flagpole, going due south with a speed of 13.0 m/s. Then 35.0 s later,
1. 2 answers
2. 722 views
A rifle that shoots bullets at 404 m/s is to be aimed at a target 49.7 m away. If the center of the target is level with the
1. 2 answers
2. 630 views
A lowly high diver pushes off horizontally with a speed of 2.75 m/s from the edge of a platform that is 10.0 m above the surface
1. 3 answers
2. 1,460 views
Suppose that a shot putter can put a shot at the worldclass speed v0 = 14.00 m/s and at a height of 2.160 m. What horizontal
1. 3 answers
2. 1,437 views
A baseball leaves a pitcher's hand horizontally at a speed of 115 km/h. The distance to the batter is 18.3 m. (Ignore the effect
1. 2 answers
2. 1,270 views
In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over
1. 1 answer
2. 1,281 views
Three astronauts, propelled by jet backpacks, push and guide a 131 kg asteroid toward a processing dock, exerting the forces
1. 3 answers
2. 1,003 views
The figure shows an arrangement in which four disks are suspended by cords. The longer, top cord loops over a frictionless
1. 2 answers
2. 1,097 views
You testify as an expert witness in a case involving an accident in which car A slid into the rear of car B, which was stopped
1. 4 answers
2. 7,757 views
How many grams of H2 are needed to produce 10.75g of NH3?
1. 3 answers
2. 720 views
What mass of oxygen is needed for the complete combustion of 5.00×10−3g of methane?
1. 3 answers
2. 1,476 views
A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is
1. 2 answers
2. 583 views
A 68 kg man is ice-skating due north with a velocity of 5.6 m/s when he collides with a 42 kg child. The man and child stay
1. 3 answers
2. 1,165 views
In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.8 m and then collides with
1. 2 answers
2. 831 views
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through
1. 3 answers
2. 697 views
In the figure, two skaters, each of mass 58.0 kg, approach each other along parallel paths separated by 2.79 m. They have
1. 4 answers
2. 1,719 views
Two disks are mounted (like a merry-go-round) on low-friction bearings on the same axle and can be brought together so that they
1. 1 answer
2. 482 views
We did not find any results for 'An automobile gasoline tank holds 23.0 gal when full. How manypounds of gasoline willit hold if
1. 3 answers
2. 1,546 views
Which word is the antecedent of the underlined pronoun?The boy took his time filling out the form and then checked it for
1. 5 answers
2. 547 views
Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of
1. 3 answers
2. 5,241 views
An object's height varies directly with the length of its shadow. A person who is 5 feet tall casts an 8-foot shadow. How long
1. 4 answers
2. 1,853 views
Danielle needs to walk 2.5 miles. If she wants to reach her destination in 30 minutes ( hour), how fast does she need to walk?
1. 6 answers
2. 1,252 views
The volume of a gas in cubic centimeters, V, varies inversely with the pressure of the gas in liters per square centimeter, p.Wh
1. 4 answers
2. 2,815 views
according to the graph of h(w) (5.0,20.00) below, what happens when w gets very large?
1. 4 answers
2. 3,370 views
the soccer club has planned a trip to a tournament. the cost of the van is $231 when 3 students who are not members of the club
1. 3 answers
2. 6,546 views
if the equation for the regression line for the data set (3,6), (6,2), (9,10) is y=2/3x+2, what is the sse for the data set?A.
1. 4 answers
2. 2,886 views
A truck leaves a depot at 11 A.M. and travels at a speed of 54 mph. At noon, a van leaves the same place and travels the same
1. 3 answers
2. 745 views
If a 54 pound boy falls off the top of the grand canyon which is 5996 feet deep, how many seconds will it take for him to hit
1. 3 answers
2. 403 views
As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of
1. 1 answer
2. 82 views
As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of
1. 1 answer
2. 85 views
As shown above, a classic deck of cards is made up of 52 cards, 26 are black, 26 are red. Each color is split into two suits of
1. 1 answer
2. 74 views

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