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leo

Questions and answers by visitors named leo

Questions (131)

A cylindrical tank with flat ends has a diameter of two meters and is 5meters long. It is filled with fuel to a depth of one and
1. 3 answers
2. 1,679 views
what is the least common multipleThe least common multiple is the lowest possible number that has both numbers for a factor. For
1. 5 answers
2. 467 views
Question:The American Dental Association recommends that an adult female should consume 3.0mg of fluoride (F-) per day to
1. 4 answers
2. 5,040 views
how many oxygen atoms are in 1.60g of quartz - SiO2?how do you figure out atoms to grams and visa versa? the weight of 1
1. 3 answers
2. 2,428 views
How many kilograms of chlorine are in 30kg of each of the following chlorofluorocarbons (CFC's)?CF2Cl2 -in kg's; CFCl3 -in kg's;
1. 6 answers
2. 6,159 views
For each of the following acid-base reactions, calculate the mass (in grams) of each acid necessary to completely react with and
1. 5 answers
2. 635 views
Sulfuric acid dissolves aluminum metal according to the following reaction:2Al(s) + 3H2SO4(aq) -> Al2(SO4)3(aq) + 3H2(g) Suppose
1. 3 answers
2. 1,261 views
A closed container is filled with oxygen. The pressure in the container is 435kPa . What is the pressure in millimeters of
1. 5 answers
2. 1,212 views
What is the pressure (in atmospheres) of the gas inside the container connected to an open-end, mercury-filled manometer as
1. 2 answers
2. 1,108 views
What is the pressure (in atmospheres) of the gas inside the container connected to an open-end, mercury-filled manometer as
1. 10 answers
2. 19,843 views
Simply by expanding any brackets and collecting like terms5x - 2 - 2x + 3 is this 5x - 2x = 3x 2 + 3 = 5 therefore 3x - 5 if
1. 3 answers
2. 494 views
Is this right please ....3( y - 4 ) - 2 ( 5 - 6y ) = 3 x y = 3y, 3 x - 4 = - 12 -2 x 5 = -10, - 2 x -6y = - 12y Therefore, 2y
1. 2 answers
2. 863 views
we are working at an assembly plant making wooden toy giraffes. At the end of the line,the giraffes go horizontally off the edge
1. 2 answers
2. 628 views
A student finds that it takes 0.20s for a ball to pass through phototogates placed 30 cm apart on a level ramp. The end of the
1. 3 answers
2. 1,813 views
what is the defenition of dissolve?
1. 1 answer
2. 389 views
Hi,Can anyone tell me if the following are correct please:- If x = 10y (where x > 0), then log10 x = y if a and b are positive
1. 3 answers
2. 452 views
Which of these statements are true...I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A
1. 2 answers
2. 530 views
Which of these statements are true...I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A
1. 3 answers
2. 549 views
8.00g of NaOH are dissolved in water to make 3.00 L of solution. What is the concentration of hydronium ions, , in this
1. 4 answers
2. 1,764 views
8.00 g of are dissolved in water to make 3.00 l of solution. What is the concentration of hydronium ions, , in this solution?
1. 1 answer
2. 393 views
what is AIDS? what are the symptoms of AIDS?
1. 1 answer
2. 403 views
Prove the trig identitycos(4x)=2-sec^2(2x)/sec^2(2x)
1. 1 answer
2. 335 views
What is the major disadvantage of manual indexes?
1. 1 answer
2. 399 views
In computing the cost of common equity, if D1 goes downward and Po goes up, Ke will
1. 1 answer
2. 430 views
A cat rides a merry-go-round turning with uniform circular motion. At time t1 = 1.80 s, the cat's velocity is (3.60 m/s)i +
1. 1 answer
2. 874 views
The base of a right prism is a rhombus whose sides are 20cm and the shorter diagonal is 24in..find the area pls.
1. 4 answers
2. 457 views
Find the volume of water in the horizontal tank if it is 7/8 full. Radius of the tank is 600mm. and the lenght of the tank is
1. 4 answers
2. 932 views
A rectangular solid has sides of 10 cm, 6.5 cm, and 8.3 cm. What is its volume and surface area?
1. 5 answers
2. 1,565 views
What is the largest sum of money Bob can have in change and still not be able to give change for a dollar? HINT: The answer is
1. 1 answer
2. 322 views
Solve for f.(f - 12)2 = 25 A. f = 5 or f = −5 B. f = 12 or f = −12 C. f = 17 or f = 7 D. no solution
1. 3 answers
2. 341 views
Which is an arithmetic sequence?A. 1, 4, 9, 16, . . . B. 2, 1, –1, –4, . . . C. 4, 8, 16, 32, . . . D. 21, 9, –3, –15, .
1. 2 answers
2. 537 views
Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by
1. 5 answers
2. 1,079 views
If $8,500 is deposited in a compound interest account paying 3.9% interest annually, how much will be in the account after 12
1. 2 answers
2. 608 views
What are the solutions for x when y is equal to 0 in the quadratic functiony=x²+9x
1. 1 answer
2. 357 views
using exactly four 4s and only addition, subtraction, multiplication, and division, write an expression that equals each of the
1. 7 answers
2. 2,626 views
SOLVE= log[6](x+3)+log[6](x+2)<2A)-6<x<7 B)-6<x<2 C)3<x<7 D)-2<x<3 PLEASE HELP!!
1. 1 answer
2. 285 views
y varies directly with x, and y = 2 when x = 5.What is the value of x when y = 15? A. x = 25 B. x = 10 C. x = 6 D. x = 37.5
1. 2 answers
2. 661 views
an example of a crime that can be explained by social structure theories.
1. 1 answer
2. 355 views
A car traveling in a straight line has a velocityof +5.5 m/s. After an acceleration of 0.65 m/s^2 , the car’s velocity is +8.9
1. 3 answers
2. 588 views
imagine that you are the leader of a native american group that wishes to join the iroquios league. write an essay giving
1. 1 answer
2. 417 views
why is it important that the tumble dryer's plug has properly connected earth wire?
1. 1 answer
2. 408 views
A supersonic aircraft produces a shock wave that describes a 30° cone. What happens to the angle of the cone as the aircraft
1. 1 answer
2. 509 views
The temperature of an object is raised by 90ºC. This is equivalent to what increase in its absolute temperature?
1. 2 answers
2. 779 views
A 2.0-ohm resistor is connected in series with a 20.0-V battery and a three-branch parallel network with branches whose
1. 3 answers
2. 1,398 views
Who proved this statement using deductive reasoning? If a, b, and c are consecutive positive numbers, then a+b+c is divisible by
1. 2 answers
2. 528 views
Moffett’s Candy Factory makes candy in the shape of cylinders. The net of a cylindrical piece of candy is shown below.two
1. 2 answers
2. 993 views
please help me this question.1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
1. 1 answer
2. 364 views
please help me this question.1/a+1/b+1/c=2/1 c¡Ùb¡Ùa find a£¿b£¿c's Positive integer solution please help me thanks
1. 1 answer
2. 311 views
The temperature x in °f is related to the temperature in °c by the relation c(x) = 5/9 (x-32).What is the slope of graph in
1. 1 answer
2. 330 views
Under standard conditions for all concentrations, the following reaction is spontaneous at25 ¢XC with EO = 0.16 V. + - 02 (g) +
1. 2 answers
2. 634 views
From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a
1. 3 answers
2. 454 views
From reading the short story "The Boat", what are the effects when people refuse to be restricted to the confines of a
1. 10 answers
2. 527 views
it costs $12.50 to see a movie at a theater near jason's house. it only costs $1,95 to rent a dvd from an online service a dvd
1. 5 answers
2. 2,114 views
Given that f(x) = x² + 4x, evaluate f(-2).
1. 3 answers
2. 1,779 views
does this sentence show antithesisThe humor almost always proves painful
1. 3 answers
2. 351 views
what literary term is this and why.I think the world is a series of broken dams and floods.
1. 6 answers
2. 394 views
find the minimum and maximum points of the curve y=x^4-4x^3+4x^2
1. 3 answers
2. 515 views
At the local bank, 60% of the employees have 2 or more children. Thereare 240 employees that have fewer than 2
1. 5 answers
2. 1,578 views
during a week a student spends 1/5 of her time in bed,1/8 of her time doing home work and 2/5 of her time in lessons.What
1. 2 answers
2. 516 views
what is the smalliest positive anglecoterminal of -61 degrees,501,632,1024,-350,721,-0.5 and 512 degrees?
1. 1 answer
2. 431 views
3. What are the solutions of the system?y = x + 5 y = x^2 - x + 2 A. (3,14) and (-1,0) B. (3,8) and (-1,4) C. (3,8) and (-1,0)
1. 1 answer
2. 413 views
1. Solve the system by any method:2x-5y=-1 2x-y=1 How many solutions does the system of equations below have? Explain your
1. 4 answers
2. 2,311 views
Solve the following equation:-2(x-3)+4=8x-20 please help me how to do this step by step plz i do understand how to do this,
1. 5 answers
2. 448 views
Choose the correct graph for the linear equation 2x - 3y = 12.a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if my answer is
1. 3 answers
2. 574 views
What is the equation of the line containing the two points (-4, 8) and (1, -7)?a.y=-3x b.y=3x+4 c.-3y=x-4 d.y=-3x-4 plz check if
1. 3 answers
2. 400 views
What is the y-coordinate of the y-intercept of the linear equation 2x - 3y = 12?Plz help I don't understand how to do this can
1. 2 answers
2. 629 views
Order the following solids from least (1) to greatest (3) volumes.A rectangular pyramid whose base has an area of 60 in2 and
1. 2 answers
2. 802 views
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm.Which of the following statements is true? A. The triangle is
1. 3 answers
2. 1,131 views
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm.Which of the following statements is true? A. The triangle is
1. 5 answers
2. 1,119 views
Determine the x-coordinate of the solution of the system of equations below. You may use any method:2x-y=10 x+y=2 Determine the
1. 3 answers
2. 970 views
What is the equation of the line containing the two points (-4, 8) and (1, -7)?A.y=-3x B.y=3x+4 C.-3y=x-4 D.y=-3x-4 I need help
1. 1 answer
2. 385 views
A triangle has sides of lengths 5 cm, 5 cm, and square root 47cm.Which of the following statements is true? A. The triangle is
1. 2 answers
2. 650 views
Assuming that the cone is completely filled with ice cream, which of the following equations below could be used to calculate
1. 1 answer
2. 458 views
cant find a way tosolve thisFive years ago, Ms. Halliday received a mortgage loan from the Scotiabank for $60,000 at 7.8%
1. 2 answers
2. 613 views
If 2/5 of 2/3 division sign is divided by 3/10, what is the resulting value?
1. 4 answers
2. 343 views
SO2 and O2 are placed in a 2.00 L container at a temperature of 786 °C and a pressure of 6.99 atm. During the reaction, SO3
1. 1 answer
2. 389 views
Cystic fibrosis is a recessive genetic disorder caused by a mutation of the CTRF gene. The disease is characterized by excessive
1. 5 answers
2. 1,711 views
Suppose you deposit $1000 in an account paying 4% annual interest, compounded monthly. Howmuch money will you have after 15
1. 4 answers
2. 4,102 views
You just purchased a painting for $1500 as an investment and it is suppose to appreciate in valueat a rate of 3.65% each year.
1. 1 answer
2. 433 views
find the numbers of this geometric sequence: 8, __ , __, __, 648
1. 4 answers
2. 1,715 views
How much would you need to invest to get $30,000 in 10 years for an account offering 2.54%interest?
1. 3 answers
2. 424 views
You invest $5,500 into a 4.5% one-year CD. Find the balance of the account after fiveyears if it's compounded: a. Quarterly
1. 3 answers
2. 663 views
if 12 people can paint 15 houses in 24 days, how many days would it take for 3 people to paint 5 houses?
1. 2 answers
2. 691 views
can I become a dentist or paramedic without physics and pure mathematics ?
1. 1 answer
2. 419 views
analogy flower : rose as book is to what
1. 1 answer
2. 414 views
24. If two sides of a triangle measure 14 and 19, what is the inequality for the third side?plsss helppp
1. 2 answers
2. 518 views
can someone help me solve this question. im not sure how to start so even some guidance would be helpful. thanks!One mole of
1. 1 answer
2. 371 views
any one know how i can solve this question?What are the values of q, w, ΔU, ΔH, ΔS, ΔSsurr, and ΔSuniv for the following
1. 2 answers
2. 788 views
What volume of 2.30 M potassiom iodide, KI, solution is needed to prepare 250.0 mL of .220 M potassium iodide solution? Find
1. 4 answers
2. 587 views
x is partly constant and partly varies as the square root of y.when x=3,y=13.when x=7,y=27.find the value of y when x=5.
1. 1 answer
2. 230 views
Translate this sentence into an equation.is the sum of and Diego's score.
1. 3 answers
2. 458 views
3. If we reflect the triangle below across the Y-axis what is the new points for our triangle?
1. 2 answers
2. 479 views
200 students in a school. 58 play football, 40 play basketball and 8 play both.What is the probability that a student plays
1. 3 answers
2. 368 views
1. the first printing press produced work by-relief printing -recycling old paper -scanning text into a machine -using colored
1. 2 answers
2. 485 views
Which type of line did the photographer use in this image?a Horizontal b Spiral c Vertical d Zig zag
1. 3 answers
2. 550 views
Which mood does the grayscale color scheme of Dorothea Lange's Homeless Family convey?a Scary and eerie b Happy and prosperous c
1. 3 answers
2. 379 views
movement of water unit test ansres
1. 5 answers
2. 304 views
movement of water unit test ansres plz
1. 3 answers
2. 210 views
movement of water unit test ansres plzz
1. 1 answer
2. 193 views
movement of water unit test ansres plzzz
1. 6 answers
2. 208 views

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