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a dog can run as fast as 39.35 miles per hour.without calculating,would about 12,14,or 16 be a reasonable answer for the number
1. 2 answers
2. 679 views
There are 32 teams in the NFL. 16 of them are in the AFL. The other 16 are in the NFC. At the beginning of the season Julia
1. 1 answer
2. 686 views
1.50.but can you explain more detailed about the 0.2 thingy.
1. 1 answer
2. 491 views
20 cents. but what if the next number is 1.5.Then how will i solve it.
1. 1 answer
2. 269 views
but why is 2.0 bigger than 0.15?
1. 1 answer
2. 260 views
sally's pencil is 15 hundredths of a meter long(0.15).Edward's pencil is 2 tenths a meter long(0.2).whose pencil is longer?
1. 4 answers
2. 542 views
Lubbock, Texas ran a survey and determined that 27% of all householdssubscribed to the daily paper, 32% watched the evening
1. 0 answers
2. 1,044 views
An office has 8 secretaries and 5 computer operators. If one employee ispicked at random, find the probability that it will be a
1. 1 answer
2. 1,218 views
If a card is drawn at random from a deck of 52, what is the probability thatit is an ace or a heart?
1. 1 answer
2. 372 views
37% of all doctors are family practitioners. If four doctors are picked atrandom, what is the probability that all four are
1. 0 answers
2. 962 views
A resturant manager wants to order new glasses. The ratio of the number of water glasses to the number of juice glasses in the
1. 1 answer
2. 315 views
Estimates of the quantity of water required in the production of a pound, or Kg, of beef rangefrom _______________ to
1. 1 answer
2. 726 views
Estimates of the quantity of water required in the production of a pound, or Kg, of beef rangefrom _______________ to
1. 0 answers
2. 627 views
f(x)=-(x-1/2)^2(x+1)How to find the y-intercept of the function?
1. 2 answers
2. 479 views
A discus is thrown from a height of 3 feet with an initial velocity of 55 ft/s at an angle of 44° with the horizontal. How long
1. 1 answer
2. 2,223 views
So i need to figure out what the angle and speed was of a foot ball that traveled 59 yards how can i figure that out? what
1. 1 answer
2. 378 views
which of the following is there no net work?A car accelerates down a hill. A car travels at constant speed on a flat road. A car
1. 2 answers
2. 1,100 views
Normally, the first 3 key points of a sine curve are (0,0), (90,1), and (180,0). If the function is changed to
1. 1 answer
2. 559 views
How long will it take for a 1 g sample of Polonium 210 to lose all but 1/28 of its radioactivity if the half-life is 140 d?
1. 0 answers
2. 435 views
How long will it take for a 1 g sample of Polonium 210 to lose all but 1/28 of its radioactivity if the half-life is 140 d?
1. 0 answers
2. 398 views
In a recent dig, a human skeleton was unearthed. It was later found that the amount of 14C in it had decayed to (1/rt8) of its
1. 2 answers
2. 863 views
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of
1. 1 answer
2. 2,265 views
In 1976 a research hospital bought half a gram of radium for cancer research. Assuming the hospital is still exists, how much of
1. 0 answers
2. 502 views
y=-x^2+1.5x+2Find the maximum value.
1. 1 answer
2. 333 views
What are some examples ofexponential function (Using the formula: Al = A0(1/2)^t/h ), trig functions that are used to find
1. 1 answer
2. 528 views
Use the information provided to write the vertex form equation of each parabola.a)y + 60x + 294 = -3x^2 b)−(y+1) = (x−4)^2
1. 1 answer
2. 960 views
A piece of cardboard has a length of 60cm and a width of 40cm. In order to make the cardboard into an open box, a box with no
1. 2 answers
2. 1,705 views
Simplify: (3x+5)^3-3x(x^2-1)
1. 1 answer
2. 428 views
If f(x)=5x+2 and g(x)=x^2+3, then what is f(g(x))?
1. 1 answer
2. 255 views
Which of the following is a solution to the trigonometric equation2cos2 x - 5cos x + 2 = 0? A) 240 degrees B) 135 degrees C) 270
1. 1 answer
2. 501 views
Identify the period in degrees and radians:y = sin2x: y = cos(3/2)x: y = 2sin(1/2)x: y = 1.5cos0.25x:
1. 1 answer
2. 526 views
Given that the formula is y=-9cos12x+9What is k in radian?
1. 1 answer
2. 925 views
Time Height above ground0 45 3 65 6 80 9 85 12 80 15 65 18 45 21 25 24 10 27 5 30 10 33 25 36 45 I know the following things:
1. 0 answers
2. 381 views
Make a word document with the key points (in tables/charts) for the following functions, given in the form y=asink(x+d)+cStart
1. 3 answers
2. 467 views
1) Find three functions with unlimited domains and ranges.2) Find two functions with restricted domains. 3) Find two functions
1. 0 answers
2. 510 views
A ski resort is installing tows on its new ski runs. The baby hill has a vertical height of 500.0 m and is inclined at 42o.
1. 3 answers
2. 607 views
A football player is attempting a field goal. The angle formed by the player's position on the field and the line of sight to
1. 3 answers
2. 1,427 views
Prove each identity:a) 1-cos^2x=tan^2xcos^2x b) cos^2x + 2sin^2x-1 = sin^2x I also tried a question on my own: tan^2x = (1 –
1. 1 answer
2. 683 views
Prove each of the following identities.a)tan^2x = 1 – cos^2x/cos^2x b)sinx/1 – sin^2x = tanx/cosx
1. 1 answer
2. 435 views
Solve for all possible values of x where O°≤x360°.sin x=2/3.
1. 1 answer
2. 456 views
Solve for all possible values of x where O°≤x360°.sin x=2/3. I do not understand these types of questions please answer in
1. 1 answer
2. 537 views
Solve for all possible values of x where O°≤x≤360°.tan x = -1/√3 cos x = 1/2
1. 1 answer
2. 469 views
Determine the EXACT values of each of the following:a) sin 240° b) cos 135°
1. 2 answers
2. 516 views
Find the angle (Θ) for a terminal arm with the following coordinates(round to one decimal place):(5,8)
1. 3 answers
2. 449 views
What are some examples of acute and obtuse triangles in a home?
1. 1 answer
2. 471 views
Determine the exact value of:sin30° + cos225° + sin150° + cos330°
1. 1 answer
2. 508 views
The winner of a popular lottery is offered one of two options:i) a lump sum of $102 500 ii) $1000 every month for 10 years If
1. 1 answer
2. 826 views
How much would you have to invest at 6.3% interest for it to have grown to $67.06 in five years
1. 1 answer
2. 341 views
You invest $25 in an account earning 7.5% interest per year. After how many years is it worth $42.50?
1. 4 answers
2. 415 views
Sam gets deposits a total of $3500 every three months to the bank which earns a 6.5% p/a. After five years how much will he have
1. 1 answer
2. 540 views
Stacey buys a $1000 RRSP today. After one year she adds $2500. By the end of the second year, the money has grown to $3851 as it
1. 2 answers
2. 399 views
Determine the present value of the annuity:$1500 at the end of each 3-month period, for 5 years, at 4.5% p/a, compounded
1. 2 answers
2. 598 views
Imagine you have invested $500 in an account that pays 5% simple interest per year. Can you find an arithmetic sequence to look
1. 1 answer
2. 511 views
So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor
1. 4 answers
2. 486 views
So I had an exam today and one of the questions is bugging me. Our professor is out of town for a few days, so we had a proctor
1. 1 answer
2. 450 views
tn - tn-1 = 2n + 3; t1 = 10Find the first five terms in the sequence using this recursive formuls
1. 1 answer
2. 434 views
tn - tn-1 = 2n + 3Find the first five terms in the sequence using this recursive formuls
1. 1 answer
2. 604 views
How many grams of acetic acid (MW = 60 g/mol, pKa=4.75) are needed to change 1000 L of water with a pH of 11 to a pH of 5.5?
1. 0 answers
2. 436 views
Halley's comet appears in the sky approximately once every 77 years. If the comet was seen in by Astronomer Edmund Halley in
1. 1 answer
2. 521 views
How many grams of HCl are needed to change 1000 L of water with a pH of 11 to a pH of 5.5?
1. 0 answers
2. 352 views
A 240 g block on a 41 cm-long string swings in a circle on a horizontal, frictionless table at 73 rpm.(a) What is the speed of
1. 1 answer
2. 1,165 views
A 5.0 m diameter merry-go-round is initially turning with a 4.6 s period. What is the speed of a child on the rim?
1. 1 answer
2. 1,391 views
The first term in a sequence of number is t1 = 4. The terms that follow are defined by the formula: tn - tn-1 = 3n -2. Determine
1. 1 answer
2. 547 views
A penguin sliding on ice has an initial velocity of 5 m/s due north. Due to a strong wind, the penguin has an acceleration of 2
1. 1 answer
2. 548 views
Three forces act on a 3 kg box: 10 N South-west, 17 N North-west, 5 N due East. What is the acceleration of the box?
1. 1 answer
2. 544 views
You throw a ball downwards with a speed of 10 m/s. It hits the ground 4 meters below from where you threw it. How long is the
1. 1 answer
2. 492 views
A .5 m long, 3 cm diameter metal bar has a Young’s Modulus of 7.0x1010 N/m2. If a 50,000 N force is applied to the end of the
1. 0 answers
2. 1,177 views
A 3.0 m tall, 42 cm diameter concrete column supports a 230,000 kg load. By how much is the column compressed? Assume Young's
1. 1 answer
2. 1,271 views
a 10cm long spring is attached to the ceiling. when a 2.6kg mass is hung from it, the spring stretched to a length of 15cm.what
1. 2 answers
2. 3,717 views
a skater holds her arms outstretched as she spins at 140 rpm. What is the speed of her hands if they are 125 cm apart?
1. 1 answer
2. 2,431 views
A 36 kg box hangs from a rope. What is the tension in the rope if the following are true?(a) The box moves up a steady 5.0 m/s?
1. 1 answer
2. 1,935 views
A 20 kg crate is placed on a horizontal conveyor belt. The materials are such that μs = 0.6 and μk = 0.3.(c) What is the
1. 4 answers
2. 2,309 views
How much force does an 60 kg astronaut exert on his chair while accelerating straight up at 8m/s squared?
1. 1 answer
2. 897 views
How much force does an 60 kg astronaut exert on his chair while accelerating straight up at 8m/s squared?
1. 1 answer
2. 732 views
A 900 kg car pushes a 1900 kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the
1. 3 answers
2. 11,033 views
A go-cart has an initial speed of 23.4 m/sec. Fifteen seconds later the go-cart has a final speed of 36.8 m/sec. What is the
1. 1 answer
2. 1,555 views
I could use some help on this please.Write a linear function that satisfies the given conditions: h(-1) = 4, h(0) = -5 Thanks!!!
1. 1 answer
2. 426 views
In a physics lab experiment, a spring clamped to the table shoots a 18 g ball horizontally. When the spring is compressed 20 cm,
1. 0 answers
2. 789 views
Think about Macbeth’s position at the conclusion of Act III. In what ways has his ambition, which allowed him to obtain the
1. 1 answer
2. 667 views
I just finished reading Macbeth for school. My teacher assigned a essay for us to do. She asked if we think the witches'
1. 0 answers
2. 525 views
A 1.00-L sample of dry air at 25 °C contains 0.0319 mol N2, 0.00856 mol O2, ... The main components of dry air, by volume, are
1. 0 answers
2. 850 views
Calculate the amount of heat required to raise the temperature of a 33 g sample of water from 6 Celsius to 24 Celsius.
1. 2 answers
2. 678 views
Among 17 metal parts produced in a machine shop, 6 are defective. If a random sample of four of these metal parts is selected,
1. 1 answer
2. 1,075 views
Solve for x:{{{ln(x)+x=5}}}
1. 0 answers
2. 324 views
determine the dimensions of a rectangular solid (with a square base) with maximum volume if it's surface area is 289 meters
1. 1 answer
2. 844 views
Solve for x:2 to x+1=x+2 to 3 or 2 to x+3= x+2 to x+5 (the proportions end up being the same in the end) I keep getting to the
1. 0 answers
2. 319 views
What economic effects did Islam have in India? I'm having a tough time finding any info for an ESP (Economy, Society, Politics)
1. 5 answers
2. 642 views
A 8000-kg freight car rolls along rails with negligible friction. The car is brought to rest by a combination of two coiled
1. 3 answers
2. 3,712 views
A mixture of aluminum and zinc metal is used in 2 experiments described below:A- A 1.7 gram sample of the mixture is reacted
1. 1 answer
2. 654 views
A mixture of aluminum and zinc metal is used in 2 experiments described below:A- A 1.7 gram sample of the mixture is reacted
1. 6 answers
2. 831 views
Determine the final concentration of 20ml of 5M NaCl of solutions after 30ml of water has been added.
1. 1 answer
2. 601 views
A person stands on a scale in an elevator. As the elevator starts, the scale has a constant reading of 600 N. As the elevator
1. 1 answer
2. 2,023 views
A certain piece of wire has a resistance of 250 ohms. if the wire is cut in three pieces and the cross sectional area of each
1. 1 answer
2. 1,113 views
Quadrilateral QRST has two pairs of congruent sides, but it is not a parallelogram. What figure is it? What further condition
1. 3 answers
2. 2,895 views
Can you prove ABCD is a parallelogram based on the given information? Explain.Given: x = 5, y = 4 Prove: ABCD is a
1. 1 answer
2. 985 views
How do I find the x values at which the tangents to the graphs f(x)=2x^2 and g(x)=x^3 have the same slope?
1. 2 answers
2. 951 views
Consider 100g of 5.5% (mass) solution of NaNO3. Complete the following table, before calculating molarity, molality and mole
1. 2 answers
2. 861 views
How did a newfound sense of commercialism aid in the development of Europe as global power culturally and economically during
1. 2 answers
2. 418 views
The antiderivative of arctan(4t)dt by integration of parts.
1. 1 answer
2. 1,217 views
A 20.0 g marble sliding to the right at 58.8 cm/s overtakes and collides elastically with a 10.0 g marble moving in the same
1. 0 answers
2. 587 views

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