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An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
1. 0 answers
2. 1,132 views
John walked 10 miles on Saturday. He walked twice as fast on the second 5 miles of his walk than he walked on the first 5 miles
1. 22 answers
2. 6,010 views
Multiply(x^2 + 8x + 15) / x – 4 * (x^2 – 16) / 2x + 6
1. 4 answers
2. 4,951 views
What is the undefined value of:(3b^2 + 13b + 4) / (b + 4)
1. 3 answers
2. 1,882 views
Simplify(2a + 2) / a^2 – 1)
1. 2 answers
2. 698 views
Divide(2x3 – x2 – 24x + 12) ÷ (2x – 1)
1. 4 answers
2. 1,906 views
What is the difference?(r+2 / r+4) – (3 / r + 1)
1. 2 answers
2. 1,026 views
What is the sum(1 / g+2) + (3 / g + 1)
1. 1 answer
2. 1,318 views
What is the sum(1 / 2b) + (b / 2)
1. 2 answers
2. 2,914 views
What is the difference(5x-2)/4x –(x-2)/4x
1. 1 answer
2. 1,335 views
An airplane is flying at an altitude of 2,000 m with a speed of 216 m/s. What is the pressure of air outside the plane?
1. 0 answers
2. 485 views
Gravity on Mars is 1/3 of that on earth. If Mars atmosphere is only 2 km thick, what is atmospheric pressure on Mars?
1. 0 answers
2. 536 views
Please check if my answer is correct...Identify the INCORRECTLY punctuated sentence. In softball, pitchers throw the ball
1. 2 answers
2. 2,547 views
written wrong the first time...[(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)] Is the answer? 1 / (3+1)
1. 2 answers
2. 498 views
[(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]is the answer 1 / x + 3
1. 0 answers
2. 460 views
The general notation for your supporting points in an outline is• Roman numerals. • capital letters. • Arabic numerals.*
1. 6 answers
2. 1,784 views
4 This is hard for me to understand how to work them...What is the simplified form of the product [(x^2 + 8x + 15)/(x-4)] *
1. 2 answers
2. 559 views
What is the quotient?[(x^2 -16) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]
1. 27 answers
2. 18,897 views
I may not be writing this right...What is the simpliest form for the product? [(x + 1) / (x^2 – 25)] * [(x +5) / (x^2 +8x +7)]
1. 1 answer
2. 440 views
What is the quotient[(x^2) / (2x^2-9x + 4)] / [(2x^2 + 14x + 24) / (4x + 4)]
1. 2 answers
2. 1,319 views
Which of the following should be done last when summarizing a source?• translate • evaluate • analyze • synthesize
1. 2 answers
2. 1,286 views
What are the coordinates of the x-intercepts of the graph of y = 2x2 + 6x – 20?• (–5, 0), (2, 0) • (5, 0), (–2, 0) •
1. 1 answer
2. 509 views
What is the simplified form of (2x -25)/(2x -3x -10)?
1. 2 answers
2. 691 views
What is the simplified form of 2x + 6 ?4x - 8 (there should be a line between them.)
1. 1 answer
2. 455 views
I do not know how to do this - also please explain...What is the value of c so that y = x² + 9x + c is a perfect square
1. 1 answer
2. 472 views
What is the value of c so that y = x² + 9x + c is a perfect square trinomial?
1. 2 answers
2. 457 views
Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.x² – 21 = –4x • 7, 3 •
1. 4 answers
2. 3,385 views
What is the value of c so that y = x² + 9x + c is a perfect square trinomial?
1. 1 answer
2. 444 views
Find the solutions to the system. y = x² + 5x + 6 y = 4x + 12 (1 point)
1. 1 answer
2. 399 views
Solve the equation by completing the square. x² – 7x – 4 = 0• 7.53, –0.53 • –7.53, –0.53 • –7.53, 0.53 •
1. 2 answers
2. 2,513 views
I can't figure this out..A physics student stands at the top of hill that has an elevation of 37 meters. He throws a rock and it
1. 2 answers
2. 801 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.06x²
1. 3 answers
2. 4,011 views
A physics student stands at the top of hill that has an elevation of 37 meters. He throws a rock and it goes up into the air and
1. 27 answers
2. 3,668 views
Solve the equation using the Zero Product Property. (3x + 1)(x – 5) = 0• and 5 • and –5 • and 5 • and –5
1. 3 answers
2. 5,466 views
A community group is planning the expansion of a square flower garden in a city park. If each side of the original garden is
1. 3 answers
2. 7,174 views
A catapult launches a boulder with an upward velocity of 184 feet per second. The height of the boulder, (h), in feet after t
1. 5 answers
2. 4,579 views
If an object is dropped from a height of 144 ft, the function h(t) = –16t² + 144 gives the height of the object after t
1. 2 answers
2. 6,123 views
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = –0.06x²
1. 16 answers
2. 12,714 views
What pressure is exerted by the tip a nail struck with a Force of 20,000N? Assume the tip is a 1.5mm-radius circle.
1. 1 answer
2. 692 views
In "Like the Sun," all of the following would be considered "casualties" of Sekhar's truth except his• children • colleagues
1. 23 answers
2. 7,420 views
Which kind of function best models the set of data points (–3, 18), (–2, 6), (–1, 2), (0, 11), and (1, 27)?• linear •
1. 3 answers
2. 2,594 views
Which expression gives the solutions of –5 + 2x² = –6x?
1. 1 answer
2. 1,729 views
This is confusing to me:"Truth, Sekhar reflected, is like the sun. I suppose no human being can ever look it straight in the
1. 18 answers
2. 11,025 views
A box shaped like a rectangular prism has a height of 17 in and a volume of 2,720 in³ The length is 4 inches greater than twice
1. 2 answers
2. 899 views
The integumentary system includes• skin only** • hair only • nails only • skin, hair, and nails Is my answer correct?
1. 1 answer
2. 604 views
How do the kidneys clean the blood? (1 point)• Kidneys clean the blood by breaking down nutrients. • Kidneys clean the blood
1. 2 answers
2. 1,775 views
Which of the following is a solution of x² + 14x + 112 = 0? If necessary, round to the nearest hundredth. (1 point)• x =
1. 4 answers
2. 2,870 views
One more rectangular-shaped piece of metal siding needs to be cut to cover the exterior of a pole barn. The area of the piece is
1. 25 answers
2. 7,633 views
Which of the following sentences from "Five Hours to Simla" best illustrates the mood of frustration? (1 point)• "After the
1. 7 answers
2. 1,964 views
Sorry, I left out a "mood"Read the following sentences from "Five Hours to Simla." The baby let drop its narcotic rubber teat,
1. 6 answers
2. 1,165 views
Read the following sentences from "Five Hours to Simla."The baby let drop its narcotic rubber teat, delighted. Its eyes grew big
1. 2 answers
2. 991 views
how much should be paid for a bond with a coupon rate of 3.8% a yield to maturity of 6.2% and it wil mature in 7 years
1. 0 answers
2. 484 views
What is the work done by a crane that lifts a 1,200kg object 30m?
1. 3 answers
2. 539 views
The rockets on a cell phone satellite provide a thrust of 12,000N. If the mass of the satellite is 15,000kg, What will be the
1. 2 answers
2. 422 views
If you throw a 0.5 kg ball straight up with a speed of 10 m/s, how high will it go?
1. 2 answers
2. 576 views
A family is building a rectangular patio in their backyard. The rectangular yard has dimensions of (8x+2) by (6x + 3) and they
1. 9 answers
2. 6,634 views
The area of a rectangular art studio is given by the trinomial 24x2 – 4x – 8. What are the possible dimensions of the
1. 4 answers
2. 1,560 views
The area of a rectangular table is given by the trinomial x2 + 7x – 30. What are the possible dimensions of the rectangle? Use
1. 3 answers
2. 3,226 views
The area of a rectangular garden is given by the trinomial x2 + 6x – 27. What are the possible dimensions of the rectangle?
1. 7 answers
2. 5,671 views
A sports team is building a new stadium on a rectangular lot of land. If the lot measures 6x by 10x and the sports field will be
1. 1 answer
2. 2,254 views
A family is having a pool built in their backyard. If their yard is rectangular and measures 7x by 6x and the pool is circular
1. 1 answer
2. 1,691 views
A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the
1. 20 answers
2. 9,526 views
A sphere has a radius of 4x + 1. Which polynomial in standard form best describes the total surface area of the sphere? Use the
1. 5 answers
2. 3,721 views
A community group is building a playground on a rectangular lot of land. The lot measures 6x by 9x and they want to cut out an
1. 1 answer
2. 945 views
A biologist studied the populations of common guppies and Endler’s guppies over a 6-year period. The biologist modeled the
1. 1 answer
2. 1,283 views
What is the factored form of the following expression? x2 – 4xy – 21y2
1. 2 answers
2. 2,198 views
The area of a rectangular room is given by the trinomial x2 – 3x – 28. What are the possible dimensions of the rectangle?
1. 8 answers
2. 4,413 views
Factor 6x3 + 5x2 – 18x – 15 (1 point)
1. 1 answer
2. 609 views
Simplify the product using FOIL (6x – 5)(2x – 3) (1 point)
1. 7 answers
2. 3,971 views
A family is building a new house on a rectangular lot of land. The lot measures 7x by 11x and the house will be 2x by 3x. How
1. 9 answers
2. 6,722 views
A family is building a new house on a rectangular lot of land. The lot measures 7x by 11x and the house will be 2x by 3x. How
1. 2 answers
2. 2,861 views
Manipulating and transforming ideas and materials indicates
1. 1 answer
2. 379 views
(-m)^-3n if m = 2 and *n=-24
1. 1 answer
2. 289 views
A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the
1. 11 answers
2. 2,480 views
How can one put a polarized plug into a non-polarized socket?
1. 1 answer
2. 717 views
the legal requirement that professionals notify appropriate authorities about cases in which children and certain other groups
1. 1 answer
2. 475 views
125/500 women soda drinkers indicate they drink diet soda. At the .01 level, does this evidence indicate that more than 20% of
1. 1 answer
2. 444 views
Please help- A random sample of n=500 households where 150 have combined cable,phone, and internet service. Firrst, calculate
1. 1 answer
2. 556 views
standard deviation 1.2. Random selection of 70 found a mean of 5.2. I have to find a 87% confidence level given this info?
1. 1 answer
2. 376 views
Use the normal dist to approx the desired prob. Find the prob of getting at most 30 fives in 200 tosses of a fair 6 sided die
1. 1 answer
2. 592 views
Appropraite materials and equipment for outdoor play should contain:
1. 1 answer
2. 378 views
Can you please tell me how to solve for the following?Pedro took an exam in a class in which the mean was 64 with a standard
1. 1 answer
2. 942 views
Maximize P=3x+2ysubject to 6x+3y<=24 3x+6y=<30 X,Y>=10
1. 1 answer
2. 595 views
A 50 ohm resistor is connected in series with a 0.2 H inductor, a 40 microFarad capacitor, and an AC Generator yielding 120 v
1. 1 answer
2. 1,236 views
Calculate the ∆G˚ for the oxidation of nickel in the following balanced reaction.2[RhCl6]3-(aq)+ 3Ni a 2Rh(s) + 3NiCl2(aq) +
1. 2 answers
2. 470 views
Predict value of x in tableIn 0,2,8,10,18 Out 5,11,29,x,59
1. 1 answer
2. 291 views
Paula invested into two accounts; one pays 5% simple interest and the other 6% simple interest. She invested $3000 more in the
1. 1 answer
2. 912 views
1. System A consists of a single ring with 100 stations, one per repeater. System B consists of four 25 stations rings linked by
1. 1 answer
2. 642 views
To establish the idea that books are written by real people, make a point to introduce the:
1. 0 answers
2. 374 views
Which one of the following ideas will NOT help children to feel personal ownership in their classroom?
1. 1 answer
2. 507 views
Which one of the following ideas will NOT help children to feel personal ownership in their classroom?
1. 1 answer
2. 649 views
Which one of the following ideas will NOT help children to feel personal owernership in their classroom?
1. 2 answers
2. 371 views
In Ms.Edwards' two-year-old room,Brenden is working hard to build a block tower. The tower falls each time Brenden tries to
1. 1 answer
2. 476 views
Which one of the following statements about lying is true.
1. 0 answers
2. 1,062 views
Jennifer runs up to Miss Edwards while she is mixing paint and pulls on her arm exitedle.As she does, the paint spills all over
1. 1 answer
2. 375 views
Adults should not assume that children:a.know how to clean up without being taught how to do it.b.will make a mess each time
1. 1 answer
2. 549 views
Determine whether parallelogram JKLM with vertices J(-1, -1), K(4, 4), L(9, -1) and M(4, -6) is a rhombus, square, rectangle or
1. 1 answer
2. 1,571 views
ABCD is a parallelogram. Segment AC = 4x + 10. Find the value of x and y.
1. 1 answer
2. 586 views
Suppose a child has knocked down another`s block tower. To encourage ,a teacher or caregiver may ask the question,"Were you
1. 2 answers
2. 577 views
Estimate a 15% tip for each amount.$9.89 $27.59
1. 2 answers
2. 618 views

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