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Caroline

Questions and answers by visitors named Caroline, page 2

Questions (176)

Could someone check these?I'm finding the magnitude for 5 and 6. 5. v=3i+j My magnitude is 3.16 6. v=2i+3j My magnitude is 3.61
1. 1 answer
2. 317 views
I am having a really hard time figuring this question out, would somebody be able to help me?Imagine a giant dry-cleaner's bag
1. 2 answers
2. 579 views
If you can buy three raffle tickets for $5, how many tickets can you buy for $55? I need to know to different ways to solve this
1. 2 answers
2. 552 views
The following chemicals have the indicated formula weights:Sucrose-342.3,Potassium dihydrogen phosphate(KH2PO40-136.09,Tris
1. 2 answers
2. 535 views
1. What data are represented by the stem-and-leaf plot below?3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41,
1. 4 answers
2. 3,665 views
1. What data are represented by the stem-and-leaf plot below?3 | 7 8 9 4 | 1 3 7 5 | 2 4 Key: 4 | 1 means 41 a. 37, 38, 39, 41,
1. 24 answers
2. 9,769 views
I am a closed shape made of 6 line segments. I have 2 angles less than a right angle and no right angles. What shape am I? Draw
1. 5 answers
2. 736 views
What is 8% of 15?
1. 1 answer
2. 362 views
Write the balanced net ionic equations for the reactions of the halogens with copper metal. The halogens are oxidizing agents
1. 3 answers
2. 1,099 views
Can you please check my work and help me with the parts that I don't understand?For each event, choose the most appropriate term
1. 4 answers
2. 1,959 views
Will you please check my work? :)Choose ALL (if any) applicable terms for the events described, then calculate the probability
1. 4 answers
2. 1,735 views
Can you please check my work?A city planning committee surveys 100 people waiting at a bus stop about the expansion of the
1. 5 answers
2. 1,474 views
Emilio has played ten rounds of golf this season. His mean score is 80 and standard deviation is 4. Assume Emilio's golf scores
1. 1 answer
2. 666 views
1. Suppose you earned 8t - 3 dollars on Monday and 6t + 5 dollars on Tuesday. What were you total earnings? Simplify your
1. 7 answers
2. 5,858 views
Hi,I am doing a geology course and I am really struggling with the topography graph. Currently, I am doing a test/quiz that
1. 2 answers
2. 582 views
A 1200 kg car is moving at 95 km/h when the driver notices a deer down the road. He immediately moves his foot toward the brake
1. 5 answers
2. asked by Caroline
3. 6,484 views
A piece of an aluminum can was cut into small pieces. Then 0.422 g of the chips from the can was used toprepare potassium alum
1. 2 answers
2. 581 views
A student was isolating copper metal from a copper salt. If the student started with 1.255g of copper (II) sulfate how many
1. 2 answers
2. 720 views
A student analyzing 2.000g of Epsom Salt found that it contained 39.0% by mass water. What is the hydration number for this
1. 1 answer
2. 441 views
A 500 mL flask has a measured volume of 586.0 mL. A 0.608g sample of an unknown vapor occupies the flask at 373K at a pressure
1. 2 answers
2. 511 views
A gas is allowed to expand at constant temperature from 4.274L to 6.877L against an external pressure of 1.977 atm. If at the
1. 4 answers
2. 425 views
A canoeist is trying to paddle upstream in a river that has a velocity of 6.1 m/s. If he can paddle his canoe at a velocity of
1. 5 answers
2. 2,692 views
is there another way of saying better understand? the snetence im trying to write is "imagery can also help the reader to better
1. 3 answers
2. 530 views
The coinage metals -- copper, silver, and gold -- crystallize in a cubic closest packed structure. Use the density of gold (19.3
1. 3 answers
2. 1,578 views
If all the H2O2 in 25mL of a 3% solution of H2O2 decomposed, calculate thediameter of a sphere that would contain the resulting
1. 3 answers
2. 457 views
At 19.0°C, what is the fraction of collisions with energy equal to or greater than an activation energy of 151.0 kJ/mol?I got
1. 4 answers
2. 2,462 views
Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 10-8 at 700°C.2 H2S(g) 2 H2(g) + S2(g) If
1. 2 answers
2. 698 views
Calculate the volume at which pH = pKa if 30.00mL of weak acid with a concentration of 0.0955M is titratedagainst a strong base
1. 4 answers
2. 1,000 views
1. Imagine you have a saturated solution of Ca(OH)2, at equilibrium, that has some undissolvedCa(OH)2 precipitated on the bottom
1. 3 answers
2. 1,047 views
Instead of using ratios for back titrations we can also use molarities if our solutions are standardized. A 0.188g sample of
1. 2 answers
2. 579 views
Instead of using ratios for back titrations we can also use molarities if our solutions are standardized. A 0.188g sample of
1. 4 answers
2. 687 views
A professor wanted to set up a similar experiment as the one you performed in lab. The professor wanted to use Al(OH)3 in place
1. 3 answers
2. 1,368 views
Could you potentially use up all of your memory B and T cells for a specific antigen and become susceptible to that antigen
1. 1 answer
2. 399 views
I am currently writing a compare/contrast paper discussing Flannery O'Connor's literary works and Dennis Covington's novel
1. 1 answer
2. 471 views
I have an 8-10 page final essay due concerning the Odyssey. I know my topic I want to use for my essay is FAMILY. The problem I
1. 7 answers
2. 721 views
What is the value of the equilibrium constant at 25°C for the reaction between each of the following?(a) Sn(s) and Pb2+(aq) (b)
1. 4 answers
2. 2,948 views
extent to which bad road use has a direct impact on the physical
1. 2 answers
2. 537 views
You are planning to save for retirement over the next 15 years. To do this, you will invest $1,100 a month in a stock account
1. 2 answers
2. 727 views
You are planning to save for retirement over the next 15 years. To do this, you will invest $1,100 a month in a stock account
1. 2 answers
2. 768 views
A box of mass 50 kg starts from rest to slide down a ramp that makes an angle of 10.7 degrees with respect to the horizontal.
1. 1 answer
2. 411 views
A child climbs up a set of stairs and reaches a height of 2.5m what is the child's gain I potential energy ?
1. 1 answer
2. 442 views
two students working on physics assignment to find out how far window is from the roof of a building drop a ball over the edge
1. 2 answers
2. 594 views
A hollow cylinder, a solid cylinder, a hollow sphere, and a solid sphere roll down a ramp without slipping, starting from rest.
1. 2 answers
2. 943 views
When the subject of the sentence is plural, should the nouns that follow agree with the subject's plurality?For example: In this
1. 4 answers
2. 508 views
Approximately how many joules of heat are needed to raise the temperature of a 4.0-gram sample of water to 8.0C?
1. 5 answers
2. 2,501 views
Approximately how many joules of heat are needed to raise the temperature of a 4.0-gram sample of water to 8.0C?that is all of
1. 5 answers
2. 6,272 views
You have two tuning forks. One is a known frequency of 200 Hz. The second for his plate, there is a big frequency of five beats
1. 2 answers
2. 562 views
When creating a collection based on a message, an artist should consider all of the following exceptA. the audience the
1. 2 answers
2. 951 views
1.Male and female high school students reported how many hours they worked each week in summer jobs. The data is represented in
1. 2 answers
2. 1,636 views
Melanie mixes water with plant fertilizer in a proportional relationship that can be represented by the equation w=3p, where w
1. 2 answers
2. 658 views
Evaluate the physical,social and economic consequences of this crime to the offender
1. 3 answers
2. 449 views
An account earns annual simple interest. Find the balance of the account.$250 at 4% for 1 year = $260 $2000 at 9% for 6 months =
1. 2 answers
2. 1,196 views
An account earns annual simple interest. Find the balance of the account.$2000 at 9% for 6 months = $
1. 3 answers
2. 1,846 views
What factors do you need in order to calculate a country's level of development?
1. 1 answer
2. 423 views
which symbol is used to make -6 |-8| a true statement?A > B < C =
1. 3 answers
2. 882 views
1. what is the solution o 204 - (-36)?A 240** B - 240 C 168 D -168 2. what is the solution of 87 + (-396)? A 183 B -183 ** C 9 D
1. 17 answers
2. 8,447 views
what is the vale of 4²-2(3÷5 + 1)?A 8 B 1 C -16* D -21
1. 6 answers
2. 338 views
You push a skateboard so that it rolls down the road at a speed of 0.700 m/s. You run after the skateboard at a speed of 3.90
1. 2 answers
2. 1,019 views
You throw a water balloon hoping to hit your sibling. You throw it at an angle of 21.0° at 5.50 m/s. It ends up leaving your
1. 4 answers
2. 1,653 views
A lighthouse is built on an exposed reef, 5 miles off-shore. The shoreline is perfectly straight, and a town is located 9 miles
1. 2 answers
2. 1,174 views
There are 4 cardio stations and six weight lifting stations at the gym. You decide to chose 4 stations randomly for today's
1. 3 answers
2. 1,619 views
Leah spent 5/6 of an hour doing homework on Monday on Tuesday she spent 3/4 of an hour and on Wednesday she did it in 5/8 of an
1. 3 answers
2. 735 views
A non-homogeneous trunk, 5 meters long and 100 kilograms mass is in equilibrium and is hung at the ends by two strings; One form
1. 3 answers
2. 370 views
Darren finished 5/6 of his homework. Olivia finished 1/6 less than Darren. How much of Olivia's homework did she finish? Make
1. 1 answer
2. 212 views
How can you check the answer to a decimal multiplication problem
1. 2 answers
2. 511 views
How do you check the answer to a decimal multiplication problem plz explain your reasoning
1. 1 answer
2. 428 views
Describe the preparation of 500 ml of 0.25 M solution of NaOH from NaOH pellets (88% purity).
1. 3 answers
2. 876 views
What volume of concentrated sulfuric acid (20% weight/weight, density = 1.14) is needed to prepare 1 L of a 0.5 N solution of
1. 3 answers
2. 472 views
The normality of NaOH obtained was 0.0172, 0.0187, 0.0185, 0.189, and 0.0183 N. The theoretical normality of NaOH was 0.02 N.
1. 3 answers
2. 964 views
1. What stretches over most of the Arabian Peninsula ?a. Fertile farmland b.forest c. Desert d. Lakes 2. Camels were used by
1. 7 answers
2. 1,123 views
Mrs.Williams is going to purchase a plastic cover for her outdoor fish food pond.The area of the fish pond is 25m2.However ,she
1. 2 answers
2. 518 views
give three examples of human Rights violation or discrimination and give reasons
1. 1 answer
2. 479 views
If d bearing of a from b is 048 degree, what is the bearing of b to a
1. 1 answer
2. 377 views
Which hill described in the table is the steepest? Explain.'(Table) Street Horizontal Distance (ft) Vertical Rise Dixie Hill 100
1. 3 answers
2. 405 views
The sum of the third and the eleventh terms of the A.P is 30.A.The common diference
1. 4 answers
2. 122 views
The third and the fifth terms of an arithmetic progression are 10 and -10 respectively.(a) determine the first term and the
1. 2 answers
2. 82 views

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