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Sam
Questions (2,385)
Find the difference.
-14 - (-16) =? A. 30 B. -30 C. 2 D.-2
3 answers
444 views
which of the following is equivalent to (-2) - 5?
A. -2 + (-5) B. -2 + 5 C. 2 +(-5) D. 2 - (-5)
3 answers
387 views
A lake receives 8 m3/s of inflow containing 0.3 mol/m3 of a chemical. The chemical reacts with a first order rate constant of
1 answer
600 views
Pesticide is applied to a 10 ha (hectare) field at an average rate of 1 kg/ha every month. The soil is regarded as 20 cm deep
0 answers
531 views
Set the numbers from Greatest to least?
15%, 1/8, 0.2, 0.09
2 answers
873 views
What is equivalent to 65%? Choose all the apply.
0.065 0.65 13/20 13/25
13 answers
2,663 views
Which key figure in Christianity does this image represent?
It is a picture of Jesus tided to a cross A. Peter B. Paul C. Jesus
4 answers
1,726 views
What influence did the Greek epics written by homer have on roman culture?
A. They led Roman historians to question their loyalty
5 answers
2,968 views
In adventures of Isabel the only one of Isabel's enemies who survives is a?
A.the bear B. the witch C. the giant D. the doctor
23 answers
5,371 views
Find the projection of u = <-5, 3> onto v = <1, 4>.
1 answer
353 views
For z1 = 4cis (7pi/6) and z2 = 3cis(pi/3), find z1 * z2 in rectangular form.
1 answer
1,847 views
Two capacitor plates are equally and oppositely charged. They are separated by 1.30 cm.
An electron is released from rest at the
1 answer
720 views
Tom has taken 3 tests with an average of 88%. However, Tom really wants an A. To get an A, he has to have an average score of
1 answer
424 views
A rock climber throws a small first aid kit to another climber who is higher up the mountain. The initial velocity of the kit is
1 answer
642 views
a crate of weight fg is pushed by a force P on a horizontal floor. (a) the coefficient of static friction is us, and P is
3 answers
1,839 views
There are 40 cows and chickens in a farmyard. One quiet afternoon, Lola counted and found that there were 100 legs in all. How
1 answer
490 views
whats sets of number does the number 9/10 have?
0 answers
326 views
A storm with winds over 120/km/h that can last several weeks is a?
A.Tornado B Hurricane C Jet Stream D Thunderstorm I think its
1 answer
710 views
The hydrogen sulfide in a 79.168 g sample of crude petroleum was removed by distillation and collected in a solution of CdCl2.
0 answers
792 views
A cookie recipe calls for 3/4 of a cup of flour and makes one dozen cookies. How many cookies can you make if you have 10 cups
10 answers
7,856 views
Can you explain this: For my math problem 23 4/7 divided 4 it says to estimate. What do I do?
6 answers
487 views
Can you help me? My math problem is: 23 4/7 divided by 4 and it says to estimate. What do I do?
1 answer
434 views
Word for finished 3rd letter is r and the 5th letter is u
1 answer
516 views
What is a group of government officials?
1 answer
355 views
What happens to the density of the air in the balloon as it is heated?
1 answer
431 views
Adding= Sum
What are those kind of words for subtract divide and multiply? I am not for sure what they are called.
3 answers
438 views
Which of the following tools would NOT help a geographer to understand the ways that a country’s boundaries changed over time?
1 answer
468 views
Assuming equal point charges, calculate the magnitude of the charge in C if the electrostatic force is great enough to support
0 answers
492 views
A test charge of +2 μC is placed halfway between a charge of +6 μC and another of +4 μC separated by 10 cm. What is the
2 answers
2,203 views
A 4ft piece of pipe needs to be divided into pieces that are 2/3ft long. How many pieces are made? How many remaining?
1 answer
888 views
During volcanic eruptions, chunks of solid rock
can be blasted out of the volcano; these projectiles are called volcanic bombs.
1 answer
759 views
Why is art fun
1 answer
361 views
Fred and George who are identical twins, same body mass, are competing in aerial skiing. Fred hits the take off with a speed of
1 answer
603 views
Which of theses is a category used in the passage to contrast falcons and hawks?
12 answers
2,110 views
I am working on synonyms and diagraphs.
I need a 7 letter word, that means finished. The third letter is r. Fifth letter is
1 answer
633 views
A 38.5 mL sample of HBr is titrated with 112 mL of 1.05 mol/L KOH. The density of the HBr solution is 1.75 g/mL. Calculate the
1 answer
992 views
30.0 mL of 0.0200 mol/L NaOH are added to 70.0 mL of 0.0100 mol/L HCI. Calculate the [H3O+] and [OH─] of the resulting
1 answer
575 views
50 Ltr. Of a certain liquid is confined in a piston system at the extenal pressure 100 atm this pressure suddenly released and
2 answers
2,037 views
A piece of copper alloy with a mass of 73.0 g is
heated from 23.0◦C to 44.0◦C. In the process, it absorbs 558 J of energy as
1 answer
776 views
A van travels for 3 hours at an average speed of 40 mph. How much longer must the van travel at an average of 55 mph so that the
3 answers
509 views
You are choosing between two different internet providers. Company A charges $75 for installation and $42 per month. Company B
2 answers
700 views
You are offered two different sales jobs. Job A offers an annual salary of $36,000 plus a year end bonus of 1.5% of your total
4 answers
1,106 views
write sqrt36*3sqrt64 using exponential notation
i keep getting 24 so am i doing it wrong or is that right im confused
3 answers
506 views
f(x) = cos(x)
on the interval [−2π, 2π] (a) Find the x-intercepts of the graph of y = f(x). (Enter your answers as a
4 answers
4,704 views
How to find the mass of a solid formed when: 45.00ml solution of 0.003 800 mol/L lead (II) nitrate is mine dish a 30.00 mL
1 answer
434 views
what mass of barium carbonate will dissolve in a 2.50L solutions of 0.0500 molar sodium carbonate
1 answer
417 views
True or false: If a is any positive real number, the graph of y=a^x will go through the point (0,1).
True or false: x^3+2x^2 is
1 answer
2,053 views
Find the vertex of each of the following parabolas by averaging the x intercepts. Then write each equation in graphing form.
Y=x^
1 answer
1,491 views
Find the vertex of each of the following parabolas by averaging the x intercept. Then write each equation in graphing form.
Y=(x-
1 answer
936 views
1. Geographers use the five themes of geography to (2 points)
study world history. organize information. study world music.
17 answers
2,404 views
Choose the sentence that is written in active voice.
A. A serious accident was prevented on the highway by Roger's quick
2 answers
5,681 views
1. Geographers use the five themes of geography to (2 points)
study world history. organize information. study world music.
6 answers
984 views
Bird flies 80m east, then 60m south, then straight up
In to sky for 30m. A)at this point how far is bird from his nest?
1 answer
858 views
1. Population density is the number of people that live in a region divided by the number of (1 point)
roads. square miles or
39 answers
4,635 views
What is the concentration of lead ions in a solution if they are completely precipitated from 36.3 mL of solution by 29.6 mL of
1 answer
499 views
In what ways were diverse people from the Arabian Peninsula through the Middle East, North Africa, and into Spain united? What
2 answers
578 views
An object of mass 2kg is pulled to the right w/a force of 20N. The force makes an angle of 20o w/ the displacement axis. If the
1 answer
450 views
Which of the following summarizes Rutherford's model of the atom?
a. Electrons are embedded in a positive region of spherical
2 answers
881 views
what is the PA in question 13?
1 answer
313 views
Find the distance between the lines with the equations
y = 3/2x+4 and −3x+2y = −1. Round your answer to the nearest tenth.
1 answer
5,658 views
You need to do the fencing of two side by side areas with 102 meters of wood fencing. What is the maximum area that you will be
1 answer
447 views
Making a cylinder is costing your company $2/in^2 for top and bottom and $6/in^2 for the body(side). If the cylinder is to have
1 answer
548 views
Select two groups of Native American people from two different areas within the united states.(I chose the Shawnee and the
3 answers
667 views
A restaraunt offers a dinner special that lets you choose from 10 entrees, 8 side dishes, and 13 deserts. You can choose one
2 answers
1,424 views
10. Calculate the concentration of a solution made by diluting 10.00 mL of 0.1104 M HCl to 25.00 mL, then taking 10.00 mL of
1 answer
618 views
Solve each system
6x-2y=10 3x-2=y
1 answer
316 views
1.how many total oribitals are present in quantum #1
2. How many electrons are possible in quantum level 1 3. How many total or
1 answer
400 views
Solve each system
6x-2y=10 3x-2=y
1 answer
435 views
what digital cameraS use for photoshoot?
1 answer
421 views
Calculate the number of mg of caffeine you would extract in each case, 2-10ml extractions vs 1-20ml extraction. The KD value in
1 answer
481 views
Sixty people can receive a piece of pizza, if there is 5 pizzas purchased.How many people can receive a slice of pizza if 7
3 answers
595 views
True or False: English common law is based on the orders of the king.
False?? Which of the following statements about the
2 answers
774 views
The rate constant for this first-order reaction is 0.0990 s–1 at 400 °C.
A --> products After how many seconds will 10.0% of
1 answer
692 views
An airplane is flying at a speed of 250 mph at an altitude of 4 miles. The plane passes directly above a radar station at time t
2 answers
841 views
You are an explorer on a tiny planet with no atmosphere. You drop a coffee filter and find that it falls 2.0m in 1.6s. As you
0 answers
479 views
How do I write .000006 in words
1 answer
741 views
11.) A company produces a product for which the variable cost is $12.30 per unit and the fixed costs are $98,000. The product
1 answer
1,636 views
36.) Suppose a chemistry student discoveres that a block of pure ice is left on her porch as she goes to school one day. What
1 answer
456 views
12.) Chlorine reacts with potassium bromide to produce potassium chloride and bromine.
a.) write a chemical equation, using
2 answers
2,568 views
A student pours 200 grams of methanol, a flammable substance into the sink. Another student causes the bad situation to get
3 answers
612 views
How do you open cmd? Thanks
1 answer
319 views
when heated, sulfuric acid will decompose into sulfur trioxide and water. Write a chemical equation, using words, to represent
1 answer
1,490 views
What is the difference between a chemical change and a chemical reaction??
My answer: A chemical change leads to a solidifed
1 answer
1,173 views
1) j(x)=-2/3x
what is j(x)'s y-intercept? answer: (0,0) 2) k(x)=4 what is k(x)'s slope? answer: 0 3) g(x)=2x-5 what are the
1 answer
412 views
In the diagram ab is a straight road and c indicate the bottom of a vertical clif in the same vertical plane as ab the angle of
1 answer
506 views
is concrete homogeneous or heterogeneous
1 answer
510 views
An observer in a lighthouse 47m high sights a ship at at an angle of depression of 4.25• if the the foot of the light house is
1 answer
526 views
Kendall knows that a 45 ounce pitcher can hold enough lemonade for 6 people at this rate how many ounces of lemonade will
4 answers
1,166 views
If week 1 was the first week of 2014 (starting Saturday 4th January)), by when would you earn: a) $100 b) $500 c) $1000
1 answer
493 views
A piece of wood is discovered in the Amazon with a 14C/12C that is 64.3% that of living organisms. How old is it?
I have no clue
1 answer
527 views
Is nursing considered a a science major because I'm taking this course called "CHEM 1001 Chemistry and the World Around Us?" and
3 answers
686 views
Ozzie's Mother bought an assortment of greeting cards while she was at the bookstore. She bought twice as many birthday cards as
3 answers
1,722 views
If a recipe calls for 2/3 cups of sugar but I only want to make 1/4 of the recipe, how much sugar do I need?
3 answers
990 views
What rhetorical devices were used in Lester Pearsons address on the inauguration of the national flag? I have found an
1 answer
666 views
A sodium hydroxide sample is contaminated with sodium chloride. A 0.240 gram sample of this impure sample is dissolved in water
1 answer
1,216 views
What is the octet rule?
How does the rule explain the common ion of fluorine and of calcium? The octet rule is when an element
1 answer
969 views
You are watching your friend play hockey. In the course of the game, he strikes the puck in such a way that, when it is at its
3 answers
1,772 views
Give the function that describes the sequence.
x y 1 1 2 1 3 1 4 1 A. 1/2x B. x C. x exponent 1 D. x exponent 0
1 answer
398 views
If k = 2, which of the following is correct?
A.(10k ÷ 2) + 4 ≤ 14 B.8k + 3 = 20 C.k - 13 > -10 D.9k + 15 ≤ 31
1 answer
357 views
A particular BJT has a base DC current of 1mA and a collector DC current of 10mA . What is the DC beta for this translator?
1 answer
366 views
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