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Eliza

Questions (74)

Express 1+cos 30°/1-sin 30°
1. 4 answers
2. 297 views
Find the length of the diagonal if the length of the window is 48 cm and its breadth is 35 cm.
1. 1 answer
2. 220 views
You have 5 more dimes that nickels if you have $1.55 in total how many nickels and how many dimes do you have
1. 1 answer
2. 331 views
A uniform meter stick with a mass of 210 g is supported horizontally by two vertical strings, one at the 0 cm mark and the other
1. 5 answers
2. 3,501 views
A tennis ball of mass m = 0.060 kg and speed v = 15 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45°
1. 3 answers
2. 2,095 views
Q11 Americans began to notice growing differences between the northern and southern sections of the country. There were more
1. 2 answers
2. 558 views
The ratio of the width to the length of a rectangular garden is 2:3 which of the following could be the width and length of the
1. 13 answers
2. 2,454 views
If 226 g of water is contained in a 311 g alu- minum vessel at 11◦C and an additional 92 g of water at 91◦C is poured into
1. 1 answer
2. 496 views
If 226 g of water is contained in a 311 g alu- minum vessel at 11◦C and an additional 92 g of water at 91◦C is poured into
1. 1 answer
2. 466 views
A 7 gallon bucket of water of mass 26.502 kg and temperature 100◦C is added to a 62 gallon gallon tub of water of mass 234.732
1. 2 answers
2. 879 views
A 300 g glass thermometer initially at 32 ◦C is put into 165 cm3 of hot water at 88 ◦C.Find the final temperature of the
1. 2 answers
2. 1,233 views
What is the area of a quadrilateral ABCD, if AB = 5 cm, BC = 13 cm, CD = 9 cm, DA = 15 cm, AC = 12 cm?
1. 2 answers
2. 963 views
35.0mL of 0.050 M HCl is titrated with 0.050 M NH3 (Kb= 1.8 x 10^-5). The pH of the analyte solution after 15.0mL addition of
1. 2 answers
2. 677 views
a) Rain drops hitting the side window of a car in motion often leave diagonal streaks if there is no wind. Why?b) For a certain
1. 1 answer
2. 1,173 views
What is the salt most likely to be formed at the junction of the Fe2+ions and SiO4+
1. 3 answers
2. 367 views
How can dilute a 1 M HCl solution to obtain 100 mL of HCl solution 0,1 M?
1. 1 answer
2. 399 views
An ice cream shop offers the toppings shown below. How many 4-topping ice cream sundaes can you make?chocolate chips walnuts
1. 7 answers
2. 2,833 views
An ice cream shop offers the toppings shown below. How many 4-topping ice cream sundaes can you make?chocolate chips walnuts
1. 5 answers
2. 1,701 views
A ferromagnetic material isA) always a magnet B) a magnet if it's domains are aligned C) a magnet if it's domains are not
1. 3 answers
2. 458 views
A ferromagnetic material isA) always a magnet B) a magnet if it's domains are aligned C) a magnet if it's domains are not
1. 1 answer
2. 469 views
What is the main feature of public-interest groups?A. They cannot collect dues, so membership is free. B. They have special
1. 7 answers
2. 749 views
a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar.
1. 1 answer
2. 845 views
a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar.
1. 2 answers
2. 593 views
Since 1991, house paint produced in Canada must contain no more than 600 ppm of lead. What is the maximum mass of lead permitted
1. 4 answers
2. 477 views
Bill can mow his mother's lawn in 45 minutes. His brother Jim can mow it in 75 minutes. How long will it take them to do it
1. 2 answers
2. 923 views
Suppose that A = D + E and that D/A = 0.80. Solve for D/E.These are the steps I have taken, but I don't know how to proceed. 1.
1. 3 answers
2. 560 views
A 26.0 g sample of ice at -17.0°C is mixed with 124.0 g of water at 81.0°C. What is the equilibrium temperature?ºC.
1. 2 answers
2. 1,340 views
Show that8^x =square root 2 5^x=1/square root 25 (3)
1. 1 answer
2. 343 views
Give three examples each of household items that have:a. different structures and exhibit different properties b. same chemical
1. 2 answers
2. 1,011 views
Give three examples each of household items that have:a. different structures and exhibit different properties b. same chemical
1. 2 answers
2. 978 views
What is the mass of a cylinder of lead that is 2.50 cm in diameter and 5.50 cm long. The density of lead is 11.4 g/mL. Find the
1. 5 answers
2. 7,911 views
A coin is tossed 3 times. Find the probability of obtaining the following:a) heads on the first and last toss, and tails on the
1. 1 answer
2. 473 views
A computer repair shop has estimated the probability that a computer sent to the shop has a bad modem is 1/8, the probability
1. 3 answers
2. 1,386 views
A car with a mass of 1815 kg is traveling down a road for 50 meters. It takes the car five seconds to travel this distance.
1. 1 answer
2. 408 views
ind the derivative of y= (2x^2+1)/(x-3)
1. 1 answer
2. 284 views
If you had 106.35 grams of Cl, how much Na would be required to convert i all to NaCl. I worked this problem and got 41.83 grams
1. 1 answer
2. 444 views
If you had 19 grams of F, how much Ca would you need to convert all of the F to CaF2?
1. 1 answer
2. 302 views
Bad boy is fleeing the scene of a crime at 75 mph. Half an hr. later the police chase after him following his same
1. 1 answer
2. 383 views
How can absolute value help one to understand the size of a quantity? Give an example. I'll appreciate anyone's help thanks. :)
1. 12 answers
2. 2,321 views
How can absolute value help one to understand the size of a quantity? Give an example. I'll appreciate anyone's help thanks. :)
1. 1 answer
2. 446 views
Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample
1. 4 answers
2. 681 views
Can someone please help me solve this homework problem for my chemistry class.It's my last problem and I'm stuck!:/ Thanks :)A
1. 2 answers
2. 528 views
Can someone please help me solve this homework problem for my chemistry class.ThanksA 4.0*10^1kg sample of water absorbs 308KJ
1. 2 answers
2. 530 views
When 47.3J of heat are added to 13.0g of a liquid, its temperature rises by 1.76C. What is the heat capacity of the liquid?
1. 2 answers
2. 612 views
Suppose the weekly use of gasoline for motor travel by adults in North America is approximately normally distributed, with a
1. 1 answer
2. 1,238 views
if the length of a rectangular pyramid is made seven times longer, how many times the volume of the original figure is the
1. 1 answer
2. 456 views
The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the
1. 3 answers
2. 545 views
Suppose the function f(x)=4/xa) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the
1. 3 answers
2. 411 views
Suppose the functiona) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the line
1. 1 answer
2. 469 views
(5y-3)/3 - (2y-1)/2=1note: the divide signs are the fraction bars. -5(-2(x-1) - (x+1))=9 .08n-.09(n-2)=5-.08 -2(3-(x-1)+3x) +
1. 3 answers
2. 385 views
I was walking through my local home supply store the other day carrying a 10 ft length of plastic pipe. The pipe was horizontal
1. 2 answers
2. 901 views
In right triangle ABC, angle A=3, angle B=60, and angle C=90. Find AB with AC is 12 ?
1. 2 answers
2. 487 views
1. a.) Find an equation for the line perpendicular to the tangent curve y=x^3 - 9x + 5 at the point (3,5)[* for a. the answer
1. 4 answers
2. 1,575 views
Regions are a way to describe and compare places. A region is identified by its common characteristics and/or features. Identify
1. 3 answers
2. 691 views
what is the city and continent name of these :34° S and 58° W 34° S and 18° E 51° N and 0° 30° N and 31° E 40° N and
1. 4 answers
2. 1,241 views
Solve by Factoring:1.) x²- x + 12 = 0 2.) 4x³ + 21x² - 18x = 0 3.) x³- x² - x + 1
1. 5 answers
2. 1,301 views
1.) Explain why |8-15i| = 17
1. 3 answers
2. 602 views
An iceboat is at rest on a frictionless frozen lake when a sudden wind exerts a constant force of 220 N, toward east, on the
1. 1 answer
2. 763 views
in this sentence what is the contrast " Water like fat raindrops that fall from skinny trees "
1. 1 answer
2. 415 views
What did Europe begin in the mid-1400s?
1. 1 answer
2. 516 views
Is the Renaissance the beginning of the Modern Age?
1. 4 answers
2. 395 views
In the sentence "Each autumn, some hurricanes track directly through the Bermuda Triangle." would definition 1.a path along
1. 6 answers
2. 430 views
In the sentence "Ships have sunk for no apparent reason", would the word obvious, general,or simple best fit the word apparent?
1. 4 answers
2. 418 views
Which word would fit best for the word endangered, suffering, disappearing,or menacing in the sentence "With fewer than 100
1. 1 answer
2. 383 views
Which of the following cost functions exhibits cost complementarity?A. -4Q1Q2 + 8Q1 B. -4Q2 + 8Q1 C. 6Q1Q2 - Q1 D. 4Q2Q1 + 8Q1
1. 4 answers
2. 1,310 views
I cant figure this out, does 235+z=xy/3 or does 354+z=xy/3?thanks!
1. 3 answers
2. 365 views
How can this be? I am supposed to solve (-3-8i)-(-2-9i). Once it is broken down, you get (-3+2)-(8i-9i) I got -1+-1i, but my
1. 2 answers
2. 1,019 views
How do you do the quadratic equation when there are only two numbers, such as -5x and 15, not the three needed?
1. 1 answer
2. 472 views
Hi everyone. Would someone be able to help me with this problems? I know it's a lot, if you only want to help with one or two,
1. 2 answers
2. 607 views
A mole of pennies stackd on top of one another would reach from here to the sun and back how many times?
1. 5 answers
2. 870 views
can anyone help me with parcial products?
1. 3 answers
2. 910 views
Name the property shown by each statment. 9+(5+35)=(9+5)+35
1. 4 answers
2. 630 views
Check my answers thanks!1. A diesel automobile outputs ThermE, RadE, ElectE and KinE from an input of a. NuclE b. ChemE c.
1. 1 answer
2. 553 views
does anyone know what the effects of low level ozone is on animals and plants?Moderate to high levels of ozone causes
1. 1 answer
2. 880 views

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