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Eliza
Questions and answers by visitors named
Eliza
Questions (74)
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
5 answers
7,839 views
does anyone know what the effects of low level ozone is on animals and plants?
Moderate to high levels of ozone causes
1 answer
835 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 answer
515 views
Name the property shown by each statment. 9+(5+35)=(9+5)+35
4 answers
574 views
can anyone help me with parcial products?
3 answers
879 views
A mole of pennies stackd on top of one another would reach from here to the sun and back how many times?
5 answers
815 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,
2 answers
576 views
How do you do the quadratic equation when there are only two numbers, such as -5x and 15, not the three needed?
1 answer
422 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
2 answers
981 views
I cant figure this out, does 235+z=xy/3 or does 354+z=xy/3?
thanks!
3 answers
328 views
Which of the following cost functions exhibits cost complementarity?
A. -4Q1Q2 + 8Q1 B. -4Q2 + 8Q1 C. 6Q1Q2 - Q1 D. 4Q2Q1 + 8Q1
4 answers
1,265 views
Which word would fit best for the word endangered, suffering, disappearing,or menacing in the sentence "With fewer than 100
1 answer
351 views
In the sentence "Ships have sunk for no apparent reason", would the word obvious, general,or simple best fit the word apparent?
4 answers
391 views
In the sentence "Each autumn, some hurricanes track directly through the Bermuda Triangle." would definition 1.a path along
6 answers
397 views
Is the Renaissance the beginning of the Modern Age?
4 answers
366 views
What did Europe begin in the mid-1400s?
1 answer
466 views
in this sentence what is the contrast " Water like fat raindrops that fall from skinny trees "
1 answer
378 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 answer
727 views
1.) Explain why |8-15i| = 17
3 answers
550 views
Solve by Factoring:
1.) x²- x + 12 = 0 2.) 4x³ + 21x² - 18x = 0 3.) x³- x² - x + 1
5 answers
1,246 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
4 answers
1,191 views
Regions are a way to describe and compare places. A region is identified by its common characteristics and/or features. Identify
3 answers
658 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
4 answers
1,526 views
In right triangle ABC, angle A=3, angle B=60, and angle C=90. Find AB with AC is 12 ?
2 answers
466 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
2 answers
865 views
(5y-3)/3 - (2y-1)/2=1
note: 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) +
3 answers
356 views
Suppose the function
a) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the line
1 answer
441 views
Suppose the function f(x)=4/x
a) Use the definition of the derivative to show that f ' (-2) = -1. b) Write an equation for the
3 answers
387 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
3 answers
501 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 answer
420 views
Suppose the weekly use of gasoline for motor travel by adults in North America is approximately normally distributed, with a
1 answer
1,212 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?
2 answers
565 views
Can someone please help me solve this homework problem for my chemistry class.Thanks
A 4.0*10^1kg sample of water absorbs 308KJ
2 answers
500 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
2 answers
487 views
Upon decomposition, one sample of magnesium fluoride produced 1.65kg of magnesium and 2.58kg of fluorine. A second sample
4 answers
645 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 answer
413 views
How can absolute value help one to understand the size of a quantity? Give an example. I'll appreciate anyone's help thanks. :)
12 answers
2,276 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 answer
358 views
If you had 19 grams of F, how much Ca would you need to convert all of the F to CaF2?
1 answer
289 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 answer
410 views
ind the derivative of y= (2x^2+1)/(x-3)
1 answer
267 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 answer
379 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
3 answers
1,355 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 answer
442 views
Give three examples each of household items that have:
a. different structures and exhibit different properties b. same chemical
2 answers
926 views
Give three examples each of household items that have:
a. different structures and exhibit different properties b. same chemical
2 answers
967 views
Show that
8^x =square root 2 5^x=1/square root 25 (3)
1 answer
317 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.
2 answers
1,308 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.
3 answers
534 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
2 answers
869 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
4 answers
450 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.
2 answers
548 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 answer
803 views
What is the main feature of public-interest groups?
A. They cannot collect dues, so membership is free. B. They have special
7 answers
703 views
A ferromagnetic material is
A) always a magnet B) a magnet if it's domains are aligned C) a magnet if it's domains are not
1 answer
445 views
A ferromagnetic material is
A) always a magnet B) a magnet if it's domains are aligned C) a magnet if it's domains are not
3 answers
428 views
An ice cream shop offers the toppings shown below. How many 4-topping ice cream sundaes can you make?
chocolate chips walnuts
5 answers
1,640 views
An ice cream shop offers the toppings shown below. How many 4-topping ice cream sundaes can you make?
chocolate chips walnuts
7 answers
2,768 views
How can dilute a 1 M HCl solution to obtain 100 mL of HCl solution 0,1 M?
1 answer
371 views
What is the salt most likely to be formed at the junction of the Fe2+ions and SiO4+
3 answers
342 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 answer
1,138 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
2 answers
645 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?
2 answers
924 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
2 answers
1,197 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
2 answers
841 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 answer
441 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 answer
465 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
13 answers
2,418 views
Q11 Americans began to notice growing differences between the northern and southern sections of the country. There were more
2 answers
534 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°
3 answers
2,042 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
5 answers
3,426 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 answer
308 views
Find the length of the diagonal if the length of the window is 48 cm and its breadth is 35 cm.
1 answer
198 views
Express 1+cos 30°/1-sin 30°
4 answers
263 views
