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Kelly
Questions and answers by
Kelly
, page 7
Questions (805)
show me step by step how to balance
2 H3(PO4)(aq) + 3 CaCl2(aq)
1 answer
436 views
Resource: Chapter 18
Select one case study or an example, from Chapter 18 that describes the impacts of a toxic substance on
1 answer
1,180 views
Resource: Chapter 18
Select one case study or an example, from Chapter 18 that describes the impacts of a toxic substance on
2 answers
1,094 views
Describe 3 examples of being “Color Brave”
4 answers
477 views
For the equation 2x^2-5x^3+10=0 find the number the number of complex roots and the possible number of real roots.
4 answers
521 views
Joylin receives a $50 gift card for the local movie theater for her birthday. She uses the card to purchase tickets and snacks
4 answers
3,152 views
Provide five or more ways in which you critically discuss how life style/behaviour disease impact on the teenager?
3 answers
560 views
how do you write a proposal? I am working on a journal entry, and it says to write a proposal in your journal for a volunteer
12 answers
492 views
Benner imports Inc, an automobile dealership, placed an advertisemet in the chicago sun times to sell a station wagon. The
3 answers
624 views
it took marty 42 min to write a book report. then he spent 18 min correcting this report. explain how can you use mental math to
3 answers
1,144 views
Can you say
Como Le va to mean what's going on with you the formal way?
3 answers
436 views
In the sentence
In the past keepers operated all lighthouses. Is lighthouses the direct object? In this sentence Now, lighthouses
3 answers
542 views
a warehouse has 46 truckloads of recycled plastic. they use 8 truckloads each day. when there are a fewer than 16 truckloads,
4 answers
856 views
If you are a non-smoker what are some biases you can have towards a smoker?
4 answers
513 views
Find the pressure exerted by a waterbed with dimensions of 2 m x 2 m which is 30 cm thick. (hint: use density of water)
1 answer
346 views
Find the pressure exerted by a waterbed with dimensions of 2 m x 2 m which is 30 cm thick. (hint: use density of water)
1 answer
400 views
Every insect's behavior is instinctive; it knows how to act and what to do from the moment it is born.
Is insect's singular or
4 answers
421 views
The rotating light on a lighthouse is 400 feet from a cliff. It completes one rotation every 10 seconds. The equation
2 answers
1,069 views
For the function h(x) = 2cot(x/2) an expression for the value of all asymptotes is ________?
1 answer
391 views
Julie is conducting an experiment where she placed 29.5 mL of water in a calorimeter at 15.0 °C. Then, 2.4 g of A (molar mass =
3 answers
748 views
Unlike most road maps, topographic maps can be used to find
1: the best route to a town 20 km away. 2: the temperature at any
2 answers
730 views
You are given 21.0 mL of a 5.00% solution of NaOH. The solution has a density of 1.02 g/mL. What volume of 0.0895M H2SO4 will
1 answer
407 views
When should you express a vector along the x-axis as a negative vector?
when its magnitude is less than 1 when the arrow
3 answers
552 views
List these from broadest to specific
Organism Ecosystem Population Community Where would ecosystem fall Population, community,
2 answers
898 views
In the sentence what did you have for dinner?
Is have a linking verb? Is the word what an adverb, a direct object, or an indirect
4 answers
636 views
20.0 ml of 1.00 M formic acid are combined with 10.0 ml of 1.00 M sodium formate. Calculate the expected pH.
Ka for formic acid
2 answers
1,319 views
What is an interquartile range?
What is a mean absolute deviation?
3 answers
379 views
Writers often use language and images to foreshadow events that are going to take place in a story. Consider these words and
6 answers
4,206 views
A beaker contains a solution that is 0.50 M in Au+3 ion and 0.25 M in Ag+ ion. A soultion of sodium chloride is slowly dripped
4 answers
1,179 views
A group of students was asked to list some of the similarities and differences between prokaryotic cells and eukaryotic cells.
5 answers
2,054 views
The order of precedence is very important when building formulas in Excel. Which of the following formulas will produce 778 as
4 answers
603 views
Given cell
Cd | CdCl2 (0.55M) || NaBrO3 (0.34M), NaBr (0.12M), pH=1.20 | Pt 1. How many electrons are transferred? 2. What is E°
1 answer
454 views
Astronauts are learned, taught to survive in space.
I think learned? ?
3 answers
405 views
Consider the function y = 3x5 – 25x3 + 60x + 1.
Find the absolute maximum value of y on the interval [0, 3]. What do you get I
5 answers
2,887 views
The whole idea of it makes me feel
like I'm coming down with something, something worse than any stomach ache or the headaches I
9 answers
879 views
A 13.5 gallon tank is 4/5 full. How many gallons will it take to fill the tank?
4 answers
1,090 views
My son has to solve equations with mixed numbers in them. we are in dispute about the problem below:
6 3/8 = t - 4 3/4 - 2 1/16 I
3 answers
309 views
A dog running in an open field has components of velocity vx = 3.0m/s and vy = -1.1m/s at time t1 = 11.7s . For the time
3 answers
1,067 views
In the sum Vector A plus Vector B equals vector C, vector A has a magnitude of 11.6 m and is angled 36.5° counterclockwise from
2 answers
560 views
An athlete performing a long jump leaves the ground at a 27.1∘ angle and lands 7.72m away
1.What was the takeoff speed? 2.If
2 answers
973 views
A watermelon seed has the following coordinates: x = -8.7 m, y = 1.6 m, and z = 0 m. Find its position vector as (a) a magnitude
3 answers
1,700 views
How would you solve this problem?
cos x/1+sinx
1 answer
288 views
Hi! My teacher told my class that the answer to this question is "1-sin x/cosx" but she wants us to figure out why. I tried
2 answers
527 views
From post C, An airplane and a helicopter travel to different islands.The plane travels.415 km N 60degrees45minutes E to island
6 answers
488 views
Suppose that a mutant enzyme binds a substrate 100 times as tightly as does the native enzyme. What is the effect of this
1 answer
746 views
i push a 500n box up an inclined plane that is 4 m long and 1.2 m high. what force is applied to push the box up the ramp?
2 answers
576 views
A ship leaves port and sails northwest for 2 hours, and then sails N35degreesE for three hours. If it does not change speed,
2 answers
661 views
A boat is travelling south at a rate of 18 km/h. A man walks across the deck from east to west at a rate of 16 km/h. Find the
2 answers
605 views
The probability that Ryan chooses Spanish is 0.86 and the probability that Riley chooses Spanish is 0.73. State the probability
2 answers
637 views
I am not really understanding how to do some of these. Need some guidance.
Thanks!! Los verbos que terminan en -car, -gar y -zar
3 answers
767 views
A vessel is crossing a channel. The depth of the water(measured in metres) varies with time and is represented by the following
3 answers
574 views
What is the concentration of arsenate ions in 3.5 M solution of arsenic acid?
The acid-dissociation constants of H3AsO4 are: Ka1
3 answers
697 views
Alicia has a flat platter shaped like a square with a semicircle of diameter 10 inches on each edge, as pictured. What is the
2 answers
958 views
Which chemical equation shows that no atoms are lost during a chemical reaction?
A. 8Fe+s8-->Fe5 B. 8Fe+8S8--> 8FeS C.
3 answers
1,114 views
1a) An aqueous solution containing 35 kg of endosuflan insecticide is accidentally released into a small stream. The stream
1 answer
460 views
In an acidic solution, manganese(II) ion is oxidized to permanganate ion by bismuthate ion, BiO3-. In the reaction, BiO3- is
5 answers
7,803 views
If a firm buys on trade credit terms of 3/10, net 50 and decides to forgo the trade credit discount and pay on the net day, what
2 answers
632 views
What is the most important element of the plot of Lord of the Rings? a) the elves sailing away on ships b) Galadriel's gifts of
7 answers
3,361 views
Help! I don't understand this problem
Find the angle of rotation that maps point P (1,0) on to P'. What are the x and y
3 answers
667 views
Which equation represents "fifteen more than r is sixty-one?
a. r + 61 = 15 b. r + 15 = 61 c. r - 15 = 61 d. r + 61 = 15 I think
60 answers
13,204 views
I have another one What is the value of 42-2(3x5+1)? I thought you worked the parentheses first which would be 16, then subtract
2 answers
734 views
A rock is thrown upward with a velocity of 12 meters per sec from the top of a 25 meter high cliff and it misses on it's way
4 answers
5,225 views
The question is to "state the value of each quantity, if it exists." We are given a piecewise function that is graphed, and no
1 answer
416 views
The equation of motion of a particle is
s = t3 − 12t, where s is in meters and t is in seconds. For the velocity function, I
4 answers
8,209 views
I've done everything I can think of to solve this, but I have no idea. Find the derivative: y = sq rt{11x + sqrt[11x +
2 answers
736 views
A sc tourists bureau survey showed that 75 % of those who seek information about the state actually come to visit . The office
1 answer
441 views
What is the break even in units?
Bottle, Label and Production (direct material and labor) = $9.12 per 12 oz. can Advertising &
2 answers
563 views
Determine the stopping distances for a car with an initial speed of 93 km/h & human reaction time of 0.80 s, for an acceleration
2 answers
640 views
what is the main difference between lava and magma?
1 answer
444 views
msrcus wants to buy 5 baseball cards. he has $35 what is the most each card will cost? write inequality to solve
1 answer
391 views
I need help please:
Express in symbols:"Six decreased by the product of a number and six is twenty."
3 answers
361 views
A car accelerates from rest with a uniform acceleration of 1.7m/s for 10 seconds, its acceleration then reduces by 0.3m/s for 20
2 answers
612 views
Jasmin needs 3/8 yard of fabric for each stripe of a striped quilt she is making. There are 14 stripes on the quilt. How many
1 answer
424 views
Mr Lopez owns a home that sits on 7/8 of an acre. He has decided to plow up 1/4 of the property to create a garden. What
2 answers
505 views
150 g of water at 80 degree Celsius is cooled to 50 degree Celsius how much heat is lost bye the water
1 answer
363 views
I have a picture of a boat sailing over a wave. I have arrow A at the front of the boat going down to the ocean floor and
2 answers
481 views
Is 4000 cups < 400 qt? Here is my answer 400 quarts = 1600 cups.
1 answer
370 views
A population of 100 healthy men was followed for the development of prostate cancer.
After being followed for 5 years, 20 men
7 answers
3,345 views
When iron reacts with copper (2) chloride, one of two possible reactions take place: Fe(s) + CuCl2(aq) to FeCl2(aq)+Cu(s) OR
4 answers
1,625 views
A concentration of PCL5(g),4,0 mol/L, verifies that the process PCl5(g) = PCl3(g) + Cl2(g)
is achieved with a degree of balance
3 answers
433 views
A can of soda has the total volume of 350ml. This can is open and only contains atmospheric air, and is placed within a furnace
1
1 answer
388 views
A mass of 0.100 mg TIOH is mixed with 174 ml of pure water. Calculate the pH of this aqueous solution?
1 answer
454 views
John had €120 he spent 3/4 of it how much did he spend
3 answers
488 views
y = 2x + 4
2x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution <-- 4x + 3y
4 answers
2,765 views
Which of the following did NOT contribute to the Harlem Renaissance?
A.The Emancipation Proclamation. B. By 1930, the population
4 answers
3,131 views
Which of the following did NOT contribute to the Harlem Renaissance?
A.The Emancipation Proclamation. B. By 1930, the population
3 answers
1,235 views
Explain how you know that 21/30 is greater than 2/3
1 answer
432 views
A 4kg box is attached to a 2.4m rope rotating on platform. Max tension can withstand without breaking is 140N.
1.) Find Max.
1 answer
427 views
A department manager is attempting to motivate employees by moving them from one
job to another. What is this strategy called? A.
3 answers
872 views
Consider the chemical equation.
2H2 + O2 -> 2H2O What is the percent yield of H2O if 87.0 g of H2O is produced by combining 95.0
4 answers
3,536 views
What is the pH of a solution made by mixing 1.40 mL of 0.0043 molar Sr(OH)2 with 8.90 mL of 0.0029 molar Sr(OH)2 solution?
1 answer
365 views
Calculate the concentrations of Cd ⁺ ², [Cd (CN)₄-²] and CN at equilibrium when they dissolve mole of 0.42 Cd (in the
3 answers
439 views
If it takes 45 days for 80.0 mg of a particular radioactive isotope to decay to 10.0 mg what is its half-life?
1 answer
418 views
Mars rotates slowly about its axis, the period being 687 days. The mass of mars is 6.39 x 10^23 kg. Determine the radius for a
2 answers
611 views
Which pair of compounds will form a solution?Benzene (C6H6) and hexane (C6H14)Na2SO4 and benzene (C6H6)NaCl and hexane
3 answers
1,580 views
If you roll a 6 sided dice 6 times, what is the best prediction possible for the number of times you will roll a two?
A) 6 B) 1
22 answers
6,200 views
by completing the square, what value should you add to each side of the equation?
x^2- 7x=5
4 answers
492 views
Knowing that the milk of magnesia contains 8 g% of Mg (OH)2, using 1 g of milk of magnesia and added 50 mL of 0.100 M HCl,
2 answers
557 views
In what ways is the Local Council involved in land management? What are they mainly responsible for?
3 answers
436 views
Outline the reasons for competition over the Murray River's water resources in the late nineteenth century.
I found nothing
1 answer
453 views
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