kristy

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 unit rate i think it is The units here will be miles per hour. (Another valid yet rare answer is hours per mile.)

18 years ago

wicth is bigger,0.355 or0 0.5?

17 years ago

need a written summary ASAP!!!! help

16 years ago

1. Ned reads textbooks (y) and harlequin romance novels (x). He sends about $250 per quarter on books. His demand for textbooks can be written m 2py and his demand for harlequin romance novels is m 2px . (a) Textbooks cost $30 while romance novels cost $1...

15 years ago

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?

15 years ago

Given a right triangle with legs 8 and 5, find the measure of the two acute angles. (Round to the nearest hundredth

14 years ago

A passenger airplane flying at an altitude of 1.8 km starts its final airport approach by descending at an angle of depression of 6°. How far along the ground is the airplane from its landing point

14 years ago

Use the appropriate cofunction to find an equivalent expression for cos 54° cot 24 sec 32 sin 36 csc 44

14 years ago

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 many as possible I think A one, but I can't seem to find it anywhere. Can someone plz help.

14 years ago

if a fair coin is tossed 4 times, what is the probability of getting heads the first 3 times, and tails the fourth itme?

14 years ago

if digits can't be repeated, how many 4-digit numbers can be arranged using the digits 1, 3, 5, 7, and 9?

14 years ago

To what Celsius temperature must a gas sample initially at 20 degrees Celsius be heated if its volume is to double while the pressure remains the same?

13 years ago

what are the 5 largest rivers in middle and central america and their relative location.

12 years ago

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 the time in seconds. Scetch a graph of this function. Determine the time at which the missile leaves and returns to the water.

12 years ago

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 the circumference of a circle is equal to 2pi where r is the radius.

12 years ago

a remote internet webpage may sometimes reach your computer by going through a geostationary satellite orbiting approx. 3.6x10^7m above earths surface. What is the minimum delay in seconds that the webpage takes to reach your computer.

12 years ago

If we represent the sun as volleyball (diameter =65cm)how far away would be find earth in this model? Note the suns actual diameter is 1.4x10^9 meters.

12 years ago

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 x (1/2)^t c) P=(7 x 10^3) x 4^t d) N= 5000 x (9/10)^t

12 years ago

As a contrast between the old and the modern and between the large and the small, consider the following: In old rural England 1 hide (110 acres) was the area of land needed to sustain one family with a single plough for one year. (An area of 1 acre is eq...

12 years ago

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 to pass through the last 28 % of its fall? What is its speed (b) when it begins that last 28 % of its fall and (c) just before...

12 years ago

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 of the building 1.90 s after being shot. Then, after barely missing the edge of the building as it falls downward, the rock stri...

12 years ago

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 the ball is in contact with the floor for 12.6 ms, what is its average acceleration during that contact?

12 years ago

You are to make four straight-line moves over a flat desert floor, starting at the origin of an xy coordinate system and ending at the xy coordinates (-148 m, 66 m). The x component and y component of your moves are the following, respectively, in meters:...

12 years ago

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 rifle, how high (in cm) above the target must the rifle barrel be pointed so that the bullet hits dead center?

12 years ago

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 of the water. (a) At what horizontal distance from the edge of the platform is the diver 0.866 s after pushing off? (b) At wha...

12 years ago

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 distance would the shot travel if the launch angle θ0 is (a) 45.00° and (b) 42.00°? The answers indicate that the angle of 45°, wh...

12 years ago

In 1939 or 1940, Emanuel Zacchini took his human-cannonball act to an extreme: After being shot from a cannon, he soared over three Ferris wheels and into a net (see the figure). Assume that he is launched with a speed of 28 m/s and at an angle of 56°. (a...

12 years ago

Three astronauts, propelled by jet backpacks, push and guide a 131 kg asteroid toward a processing dock, exerting the forces shown in the figure, with F1 = 36 N, F2 = 58 N, F3 = 41 N, θ1 = 30°, and θ3 = 60°. What is the (a) magnitude and (b) angle (measur...

12 years ago

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 at a red light along a road headed down a hill (see the figure). You find that the slope of the hill is θ = 14.0°, that the cars...

12 years ago

How many grams of H2 are needed to produce 10.75g of NH3?

12 years ago

A disk rotates about its central axis starting from rest and accelerates with constant angular acceleration. At one time it is rotating at 7.8 rad/s; 60 radians later, its angular speed is 19 rad/s. Calculate (a) the angular acceleration (rad/s2), (b) the...

11 years ago

In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.13 kg) and embeds itself in block 2 (mass 1.75 kg). The blocks end up with speeds v1 = 0.600 m/s and v2 = 1.32 m/...

11 years ago

In the figure, two skaters, each of mass 58.0 kg, approach each other along parallel paths separated by 2.79 m. They have opposite velocities of 1.50 m/s each. One skater carries one end of a long pole of negligible mass, and the other skater grabs the ot...

11 years ago

We did not find any results for 'An automobile gasoline tank holds 23.0 gal when full. How manypounds of gasoline willit hold if the gasoline has a density of 0.737 g/ml?

10 years ago

Which word is the antecedent of the underlined pronoun? The boy took his time filling out the form and then checked it for spelling errors. A. form B. boy C. errors D. time

9 years ago

Heather is solving an equation by graphing the expressions on both sides. If her graph intersects at an infinite number of points, which statement could describe the equation Heather is attempting to solve? A. One side of the equation is a constant, and t...

9 years ago

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 is the shadow of a 20-foot tree?

8 years ago

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?

8 years ago

The volume of a gas in cubic centimeters, V, varies inversely with the pressure of the gas in liters per square centimeter, p. When the volume of the gas is 16 cm3, its pressure is 20 L/cm2. Find the volume of the gas when the pressure is 2.2 L/cm2.

8 years ago

according to the graph of h(w) (5.0,20.00) below, what happens when w gets very large?

8 years ago

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 join the trip, the transportation cost per person drops by $4.50 how many soccer members are going to the tournament?

8 years ago

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. 16 B. 10 C. 4 D. 24

8 years ago

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 route at a speed of 64 mph. At what time does the van overtake the truck?

8 years ago

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 the bottom?

6 years ago

Jupiter and his brothers can be best described as...

11 months ago

Saturn's reign is called The Golden Age because...

11 months ago

maybe,

17 years ago

no way, i have this exact same puzzle! im working on it right now for summer school. i've got all but 8 down, 7 across, 17 across, and 18 across!

17 years ago

presto...abracadabra...First one then another. I'm__________ _____________.

16 years ago

Astepfarther kinda like A STEP FATHER, get it? cheesey, yeah but that's the answer..=)

15 years ago

Find the area under the standard normal curve to the left of z = 1.88, P(z < 1.88). (Give your answer correct to four decimal places.)

13 years ago

I need help

11 years ago

32

8 years ago

divide

8 years ago

so the answer would be v=145.45

8 years ago

we know dv/dt, we want dh/dt V= 1/3 (pi)r^2 h we need to get the value of r. how? let's get the ratio of r/h = 6/12 so, r= h/2 then Substitute V= 1/3 (pi) (h/2)^2 h V= 1/12 (pi) h^3 then differentiate dv/dt= pi/4 h^2 dh/dt sub 8 = pi/4 (16)dh/dt 8 / 4pi =...

8 years ago

I agree your answer would be $10.00

5 years ago

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 13 cards each (clubs and spades are black and hearts and diamonds are red). Each suit is split into 13 individual cards (Ace, 2...

3 years ago