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Chad

Questions (137)

How can you determine which equations can be graphed more easily using x- and y-intercepts, rewriting in slope-intercept form,
1. 1 answer
2. 312 views
4" below is a special tree north you knowWe have a picture to show you so you don't go too low Oxygen creates future protection
1. 3 answers
2. 353 views
In 1988 interest on the national debt was $214 billion and in 2018 it was $532 billion. In 1988 10% of the interest was paid to
1. 1 answer
2. 336 views
A patient takes vitamin pills. Each day he must have at least 630 IU of vitamin A, 5 mg of vitamin Upper B 1, and 80 mg of
1. 1 answer
2. 735 views
Evaluate the expression cos75°sin15°+sin75°cos15°
1. 4 answers
2. 667 views
Least number possible with 5 in thetousand place
1. 1 answer
2. 367 views
A license plate consists of 3 letters followed by 2 digits. How many license plates are possible if the 1st letter cannot be I
1. 1 answer
2. 1,006 views
(Car Sales) Of the cars sold during the month of July, 89 had air conditioning, 99 had automatic transmission, and 74 had power
1. 1 answer
2. 783 views
402 students were surveyed about their preferences of sports. 140 students like football, 144 students like baseball, and 42
1. 3 answers
2. 1,041 views
The manager of a manufacturing company knows that they will need a new machine in one of their factories. The new machine will
1. 3 answers
2. 1,238 views
A problem is listed below. Identify its type.John bought a new house. He made a $4,500 down payment and financed the rest,
1. 2 answers
2. 671 views
Jennifer bought a brand new treadmill on a credit plan at BeFit Exercise Equipment. BeFit will charge her 15% per year
1. 4 answers
2. 1,325 views
Congratulations! You were the 10th caller on the KMTH morning show and you just won $9,000.00. After you calm down, you decide
1. 4 answers
2. 2,294 views
Deborah deposits $200 into an account that pays simple interest at the rate of 7%. How much will she have at the end of 4
1. 3 answers
2. 1,337 views
3. 0.1825 g of Fe(NH4)2(SO4)2•6H2O is dissolved in 250.00 mL of solution; this is Solution A. 5.00 mL of Solution A is
1. 3 answers
2. 643 views
A system is represented by the equation:2x”+128x = f(t) Obtain the free response of the system in the form a) x = A sin wn (t
1. 3 answers
2. 608 views
What’s the direction of the electric field caused at the point (–2, 3) by an electron located at the origin?
1. 1 answer
2. 342 views
If a ball is launched straight upwards from the ground with an initial velocity of 20.0 m/s, how long does the ball take to
1. 1 answer
2. 463 views
A diffraction grating with 1000 slits/cm is oriented parallel to the y-axis and its center is located on the x-axis at x = -5.00
1. 1 answer
2. 515 views
If 125 grams of KClO3 decomposes completely, how many moles of oxygen gas is produced?
1. 2 answers
2. 1,290 views
A constant volume of O2 gas is heated from 140C to 216C. The final pressure is 22.3 atm. What was the initial pressure?
1. 2 answers
2. 656 views
How high would you have to lift a 0.294N mouse to do the same amount of work that you would do if you lift a 6.87 kN elephant
1. 1 answer
2. 393 views
(sqr8) {(sqr9ab)/(sqr3b) + (sqr27a)}How do you solve this
1. 3 answers
2. 459 views
(2√5+3)(2√5+3)= a + b√c+dFigure out the binomial to find a,b,c,d
1. 1 answer
2. 383 views
the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a
1. 2 answers
2. 619 views
Lisa ate 1/3 of pizza. Kate ate 4/12 of same pizza. What fraction did they eat altogether
1. 3 answers
2. 662 views
Put these fractions in order from least to greatest.2/5 3/4 and 1/2. I am trying to help my daughter with her homework. Would
1. 4 answers
2. 452 views
Solve using the substitution method.-5x + y = 16 9x + 13y = 60
1. 2 answers
2. 567 views
One canned juice drink is 15% orange juice another is 5% orange juice. How many liters of each should be mixed together in order
1. 2 answers
2. 773 views
A store mixes red fescue worth $10 per pound and ryegrass worth $13 per pound. The mixture is to sell for $12 per pound. Find
1. 2 answers
2. 649 views
In 2009, a diabetic express company charged $39.95 for a vial of type A insulin and $30.34 for a vial of type B insulin. If a
1. 4 answers
2. 1,677 views
A 8.60-g sample of solid CaSO4·2H2O was heated such that the water turned to steam and was driven off. Assuming ideal behavior,
1. 4 answers
2. 3,445 views
a siren has a frequency of 1099 Hz when it and an observer are both at rest. The observer then starts to move and finds that the
1. 2 answers
2. 564 views
The driver of a car slams on the brakes when he sees a tree blocking the road. The car slows uniformly with acceleration -5.40
1. 2 answers
2. 1,055 views
Madeline had a class ratio of 5:4 boys to girls in her classroom. If there were 27 kids in her class how many girls were there?
1. 1 answer
2. 482 views
Diane took a math test. The ratio of the number of problems Diane got incorrect to the number of problems she got correct was
1. 2 answers
2. 554 views
An electrical heater is used to supply 200.0 J of energy to a 30.0 g sample of water, originally at 285.0 K. Determine the final
1. 2 answers
2. 833 views
Where is the location of the phosphatase enzyme in the digestive system. There is no site that i can find that can provide an
1. 1 answer
2. 462 views
A block of mass m is pushed along a horizontal table by a force F= 70 N a an angle 55 degrees with the horizontal. The
1. 1 answer
2. 476 views
PLEASE help because I'm really confused on how to do the entire thing. I don't know how to find the mL. Am I suppose to do
1. 2 answers
2. 991 views
How would I go about dividing. -20 divided by (-2 1/2)
1. 2 answers
2. 569 views
Can someone please help me.....I have limited reactant formula problem. I am completely lost. 2Ca(s) + O2(g) ----> 2CaO(s)
1. 4 answers
2. 1,563 views
Balanced equation,4KNO3(s) ----->2K2O(s) + 2N2(g) + 5O2(g) To produce 51.8kg of O2, How many moles of KNO3 must be heated? How
1. 5 answers
2. 2,654 views
There are 50 questions on a test. If a 60% is considered passing, how many questions do you have to get right to pass?
1. 4 answers
2. 435 views
Is 27.38452... a real and a rational number?
1. 1 answer
2. 300 views
How do you write the number 339.4 X 10 -10 in scientific notation?
1. 1 answer
2. 346 views
If the length and width of a triangle are tripled, what is the effect on the area?
1. 3 answers
2. 610 views
Which expression represents the number in the pattern where "p" is the position of the number in the pattern?20, 24, 28, 32, 36
1. 3 answers
2. 592 views
A ball with a mass of 0.25 kilogram is swung on the end of a rope that is 3.0 meters long. The ball travels with a linear
1. 1 answer
2. 469 views
A gas occupies 275 ml at 0°C and 610 Torr. Whatfinal temperature would be required to increase the pressure to 760 Torr, the
1. 2 answers
2. 712 views
A marathon runner will burn 1.25x10^7 j during a race. If the calorie content of 12.0 oz. of Gatorade is 80.0 kilocalories, how
1. 1 answer
2. 428 views
An alloy contains 39.5 mass% silver (Ag) and has density og 7.86 g/ml What volume of alloy would be needed to contain 12.0g of
1. 1 answer
2. 494 views
A student uses 57.4 ml of 0.2m of RbOH to titrate 25.0ml of HcLo3. What is the concentration of HcLo3?
1. 1 answer
2. 369 views
Just wanted to say a quick thanks to Steve and Damon, figured it all out, thanks guys, awsome!!!
1. 1 answer
2. 428 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 5 answers
2. 943 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 5 answers
2. 1,069 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 1 answer
2. 436 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 4 answers
2. 538 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 2 answers
2. 628 views
A boat is traveling on a bearing of 25 degrees East of North at a speed of 4 knots (a knot is 1.852 km/h). After traveling for 3
1. 3 answers
2. 660 views
I am trying to help my step son who missed half of physics class due to a funeral.A laser beam is being shot through two
1. 1 answer
2. 413 views
: how much work is done by 0.020 meters squared of gas if its pressure increases by 2.0 multiplied by 10 to the 5th power Pa and
1. 1 answer
2. 1,150 views
A rowboat passenger uses an oar to push the boat off the dock by exerting a force of 40.0 N for 3.0 s. What impulse acts on the
1. 4 answers
2. 1,604 views
Mrs coopers 5th grade class has 11 more girls than boys. There are 35 students in all. How many girls are there?
1. 4 answers
2. 651 views
A force of 50 N directed at an angle of 45 degrees from the horizontal pulls a 70 kg sled across a frictionless pond. The
1. 3 answers
2. 1,428 views
A class of 11 students taking an exam has a power output per student of 122 W. Assume that the initial temperature of the room
1. 2 answers
2. 713 views
Tell how to synthesize each compound.A. Ni(OH)2 B. MgSO4 C. KNO3
1. 1 answer
2. 399 views
The length of a rectangle is 5 less than twice the width. Find the dimensions if the perimeter is 110?
1. 1 answer
2. 415 views
When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s,
1. 4 answers
2. 4,112 views
How many moles of H_2 are needed to produce 13.27g of NH_3?
1. 2 answers
2. 692 views
Two identical masses are connected by a (massless, stretchless) string across a (massless, frictionless) pulley. The mass on the
1. 4 answers
2. 1,334 views
A low friction cart of mass m, traveling at speed v, collides (perfectly) elastically with a cart of triple themass, initially
1. 3 answers
2. 557 views
A flatbed truck with a box sitting on the bed accelerates from rest on level ground. The truck’s speed as afunction of time is
1. 2 answers
2. 646 views
A 750 kg car traveling 22.0 m/s due north crashes into a 1500 kg truck traveling 20 m/s due west. The two vehicles become locked
1. 4 answers
2. 532 views
The wind blows a 0.50 kg Styrofoam box, initially at rest, across level ground and then up an incline where it comes to a rest.
1. 2 answers
2. 494 views
Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing
1. 2 answers
2. 629 views
A block of mass m has a spring –spring constant k and length L –connected, vertically, to the bottom.The block is dropped
1. 2 answers
2. 582 views
Box, mass m 1 , at rest against a compressed spring, spring constant k and compression of Δx, at the top of aramp, height h, is
1. 2 answers
2. 705 views
Jenn Suhr recently won the gold medal in this summer’s Olympic games in pole vault. Her record is 16 ft,2 in. (She did less
1. 1 answer
2. 495 views
In the school cafeteria, a trouble-making child blows a 12.0 g spitball through a 25.0 cm straw. The forceof her breath as a
1. 4 answers
2. 1,228 views
A missile launcher, mass M, at rest on a horizontal track fires a missile, mass m, horizontally.a) If the launch speed of the
1. 2 answers
2. 548 views
A missile launcher, mass M, at rest on a horizontal track fires a missile, mass m, horizontally.a) If the launch speed of the
1. 1 answer
2. 510 views
A cart is coasting at a speed v A along a straight and level road. When ten percent of thewagon’s mass is thrown off the
1. 3 answers
2. 654 views
A 5.0 kg shell is fired vertically upward. At its max height of 350.0 m, it explodes into 3pieces. A 1.0 kg chunk lands 15.0 m
1. 2 answers
2. 517 views
A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at90.0 mph at a 30.0O angle (above the
1. 1 answer
2. 368 views
A 140 g, 90.0 mph fastball comes across the plate very nearly horizontally and is batted at90.0 mph at a 30.0O angle (above the
1. 1 answer
2. 356 views
A 125 kg flatbottomed boat is floating along at 5.0 m/s, headed east. Sally Sue, standing at one end of the boat, starts to walk
1. 1 answer
2. 464 views
A car, starting from rest, accelerates down a hill reaching 30.0 m/s in 6.00 s. During this time, the driver notices that the
1. 2 answers
2. 541 views
The weight of an object is the same on two different planets. The mass of planet A is sixty percent that of planet B. Find the
1. 1 answer
2. 808 views
A box starting from rest, slides down an incline which makes an angle of θ above the horizontal. The incline has a maximum
1. 1 answer
2. 566 views
A 565 N mountain climber moves across a rope strung across a canyon. When she is more than halfway across, she notices the rope
1. 2 answers
2. 563 views
A 65kg box is sitting on a level surface, and a 208N force is pulling on the box to the right. find both the normal force and
1. 1 answer
2. 381 views
suppose your car is on a 5% grade,if your car weighs 15,000N what is the component of its weight parallel to the road?
1. 3 answers
2. 450 views
Determine the slope of a line passing through the points (2, 9) and (0.66, 9).
1. 1 answer
2. 374 views
On the leeward side of the island of Oahu, in the small village of Nanakuli, about 80% of the residents are of Hawaiian
1. 2 answers
2. 1,286 views
Suppose you have binomial trials for which the probability of success on each trial is p and the probability of failure is q=
1. 1 answer
2. 430 views
A block with mass m =7.3 kg is hung from a vertical spring. When the mass hangs in equilibrium, the spring stretches x = 0.21 m.
1. 7 answers
2. 5,985 views
Need help factoring 7x^2 + 7x -20
1. 1 answer
2. 347 views
Which two of the 12 science processes do you feel are the most important for students to understand early in their science
1. 2 answers
2. 646 views
A car is heading towards a brick wall at 80 km/hr, he starts breaking 30 feet away. What acceleration is required to avoid a
1. 3 answers
2. 317 views

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