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Jackie

Questions and answers by Jackie, page 4

Questions (587)

A voltaic cell consists of Ag/Ag+2 electrode E= 0.80 and a Fe+2/Fe+3 electrode E=0.77 with the following initial molar
1. 3 answers
2. 1,561 views
u = (3, -4)v = (-5, -2) u - v = ?
1. 1 answer
2. 277 views
A concentration cell consists of two Al/Al+3 electrodes. The electrolyte in compartment A is 0.05M Al(NO3)3 and in compartment B
1. 3 answers
2. 1,116 views
Jeremy is building a deck for the community center. The deck is shaped as rectangle. The width of the deck is 29ft. The
1. 4 answers
2. 932 views
By violating the Navigation Acts and developing their own trading patterns, were the American colonies also creating their own
1. 4 answers
2. 1,297 views
Assume that the equation for demand for bread at a small bakery is Qd = 60 - 10Pb + 3Y, where Qd is the quantity of bread
1. 3 answers
2. 1,664 views
An airplane leaves an airport and flies due west 150 miles and then 170 miles in the direction 210°50'. Assuming the Earth is
1. 4 answers
2. 1,156 views
A rectangular wimming pool is 40 ft wide and 45 ft long. It is surrounded on all four sides by a wooden deck of fixed width. The
1. 5 answers
2. 425 views
(-2+6i)+(4-i)
1. 1 answer
2. 196 views
-8i(2i-7)
1. 1 answer
2. 233 views
3/4+i
1. 1 answer
2. 253 views
√-81- √-144
1. 1 answer
2. 322 views
(-2+√-11)^2
1. 1 answer
2. 238 views
-15-√-18/33
1. 2 answers
2. 705 views
(2-3i)(3+5i)
1. 7 answers
2. 279 views
3Y + 6x = 184y – 12x = -16 a.) Get each equation in slope-intercept form. b.) Identify the slope and the y-intercept of each
1. 2 answers
2. 981 views
The coordinating conjunctions that can be used to combine two complete sentences with a comma are 'for,and,nor,because,yet, so
1. 1 answer
2. 489 views
There should be commas around "however" in the following sentence: Dwayne had planned to take the last flight out to chicago. It
1. 1 answer
2. 344 views
Select the sentence that is punctuated correctly1 The neighors' new dog is small, quiet, and sky. 2 The neighbors' new dog is
1. 5 answers
2. 933 views
Help...........Select he sentence that is punctuated correctly. 1.Zora's lemon trees produces too much fruit She gives them away
1. 1 answer
2. 384 views
True or FalseSubjuect pronouns include me, her, him, and them.
1. 1 answer
2. 453 views
Select the sentence that has correct pronoun usage....1. Julie plans to travel this summer with Oscar and me. 2. Julie plans to
1. 2 answers
2. 798 views
Select the sentence that does not have pronoun-antecedent error.1. Most moviegoers like to bring his owm snacks to save money.
1. 1 answer
2. 340 views
Select the sentence that does not have a pronoun-antecedent error.1. Most moviegoers like to bring his own snacks to save money.
1. 1 answer
2. 474 views
True or False The indefinie pronouns all,any, more, most, and some are alwas singular in meaning
1. 7 answers
2. 1,009 views
True or False: The indefinite pronouns both, few, many, and several are always plural in meaning.True..... What do you think
1. 3 answers
2. 536 views
Help..............Select the sentence that does not have a pronoun-antecedent error. 1. The local museum is extendign its hours
1. 4 answers
2. 519 views
Select the sentence that has correct pronoun usage....1. Julie plans to travel this summer with Oscar and me. 2. Julie plans to
1. 3 answers
2. 428 views
Select the sentence that has correct pronoun.1. Natalia is a better cook than me. 2. Natalia is a better cook than I. My answer
1. 3 answers
2. 526 views
Select the sentence that does not have a pronoun-antecedent error.1. If anybody wants to go to that new restaurant, she or he
1. 2 answers
2. 508 views
Select the sentence that has correct pronoun usage.1. Her and my brother enjoy debating about politics. 2. She and my brother
1. 4 answers
2. 413 views
True or False...As a general rule, collective nouns- such as family, class, faculty, audience- take singular verbs. For example:
1. 4 answers
2. 428 views
The subject and verb should agree even when other words come between them. For example: The students as well as their teacher,
1. 4 answers
2. 367 views
Select the sentence that has correct subject-verb agreement.There are several forms that you need to complete when you adopt a
1. 3 answers
2. 512 views
Select the sentence that has correct subject-verb agreement.1. There are several forms that you need to complete when you adopt
1. 2 answers
2. 523 views
Select the sentence that has correct subject-verb agreement.1. If anyone need to buy a new a laptop, give her or him my contact
1. 1 answer
2. 413 views
Select the sentence that has correct subject-verb agreement.1. Applied mathematics was my major in college. 2. Applied
1. 2 answers
2. 1,003 views
Select the sentence that has correct subject-verb agreement.11. Neither my dad nor my siblings want to go to the family reunion
1. 1 answer
2. 473 views
Select the sentence that has correct subject-verb agreement.1. Everyone on the guest list are attending the dinner. 2. Everyone
1. 1 answer
2. 455 views
Most singular nouns that end in "s" such as politics, news, measles- take plural verbs. for example: The local news are a good
1. 2 answers
2. 829 views
Titles of works and company names should be treated as singlular nouns. For example: the Secret Life of Bees is a novel that was
1. 1 answer
2. 339 views
Compound subjects those joined with and should take singular verbs. For example: the cd player and moon roof is included in the
1. 1 answer
2. 404 views
The base of a cell phone tower is an equilateral triangle with sides 10 ft long. How far is one corner of the triangle from the
1. 1 answer
2. 426 views
A ball of mass m(1) = 0.250 kg and initial v(1) = 5.00 m/s collides head-on with a ball of mass m(2) = 0.800 kg that is
1. 3 answers
2. 1,146 views
d=170 feet,t=34secondsr=ft/sec
1. 1 answer
2. 315 views
I am reading an article about Britney Spears leaving the X-Factor. On of the lines says "she wasn't a great judge, but she
1. 2 answers
2. 562 views
The estimated standard error, sM, provides a measure of the average or standard distance between _____.a score and the
1. 3 answers
2. 2,045 views
Suppose that the annual interest rate on your checking account is 7.5 percent compounded continuously. In order to have $ 6300
1. 3 answers
2. 1,435 views
assume the substance has a half-life of 11 years and the initial amount is 126 grams.How much remains at the end of 8 years?
1. 2 answers
2. 1,130 views
assume the substance has a half-life of 11 years and the initial amount is 126 grams.How long will it be until only 15 %
1. 3 answers
2. 2,047 views
An innovative rural public health program is reducing infant mortality in a certain West African country. Pretend the program in
1. 3 answers
2. 1,395 views
A culture of bacteria grows exponentially. It doubles in size every 16 hours. How long will it take to triple from its original
1. 4 answers
2. 7,968 views
a) 1150 dollars invested at 9% annual interest rate (compounded yearly) orb) 1475 invested at 6% annual interest (compounded
1. 2 answers
2. 1,028 views
Need to know the steps to multiply and simplify the expression: (4-z)z=
1. 1 answer
2. 361 views
A ball is shot into the air from a bridge, and its height, y, in feet, above the ground t seconds after it is thrown is given by
1. 2 answers
2. 885 views
A farmer uses 1034 meters of fencing to enclose a rectangular region and also to subdivide the region into three smaller
1. 3 answers
2. 508 views
I need help with soving this problem.G(u) =4-3u-u^2; Find G(-2u)
1. 1 answer
2. 245 views
Consider this equilibrium process at 686°C.CO2(g) + H2(g) CO(g) + H2O(g) The equilibrium concentrations of the reacting species
1. 4 answers
2. 1,788 views
A video game manufacturer is planning to market a new machine. The fixed costs are $550,000 and the variable costs are $120 per
1. 3 answers
2. 618 views
Find the linearization L(x,y)of the function f(x,y) at P_0. Then find an upper bound for the magnitude |E| of the error in the
1. 1 answer
2. 408 views
Write a console-based program that accepts a user's message and determines whether it is short enough for a social networking
1. 5 answers
2. 751 views
Find the number of each kind of object in the collection.Sue's Card Collection 8 packs of baseball cards 3 fewer packs of hockey
1. 2 answers
2. 522 views
I need help bad. Don't know which formula to use. Please explain step by step. 2x^2-12x+19. Find the interval where f is
1. 3 answers
2. 331 views
Describe how elements of art and principles of design work together to form a composition
1. 2 answers
2. 523 views
Analyse a work of art for example Jacob Lawrence "GOING HOME" to describe how he used both elements of art and principles of
1. 2 answers
2. 943 views
Describe how elements of art and principles of design work together to form a composition
1. 1 answer
2. 446 views
Ignoring activities, determine the molar solubility of copper (I) azide (CuN3) in a solution with a pH of 10.83. Ksp (CuN3) =
1. 4 answers
2. 3,864 views
Determine the molar solubility (S) of Zn(CN)2 in a solution with a pH = 4.91. Ksp (Zn(CN)2) = 3.0 × 10-16; Ka (HCN) = 6.2 ×
1. 4 answers
2. 1,994 views
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 1.78. The Ksp for Zn(CN)2 is 3.0 ×
1. 1 answer
2. 945 views
Consider a solution made by mixing 500.0 mL of 0.04182 M Na2HAsO4 with 500.0 mL of 0.03645 M NaOH. Complete the mass balance
1. 3 answers
2. 1,041 views
Consider a solution made by mixing 500.0 mL of 0.04182 M Na2HAsO4 with 500.0 mL of 0.03645 M NaOH. Complete the mass balance
1. 4 answers
2. 4,309 views
Determine [Zn2 ], [CN–], and [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 1.78. The Ksp for Zn(CN)2 is 3.0 ×
1. 5 answers
2. 700 views
What fraction of piperazine (perhydro-1,4-diazine) is in each of its three forms (H2A, HA–, A2–) at pH 8.98?
1. 3 answers
2. 478 views
Need help finding composition of functions. I am doing something wrong continue to get wrong answerf(x)=x+6/x+5, g(x) = 2x-7.
1. 1 answer
2. 415 views
For a Normal distribution with mean, mu=2, and standard deviation, sigma = 4,70% of all observations have values between x and y
1. 2 answers
2. 556 views
How did monteqeieus system reflect John lockes ideas about government ?
1. 2 answers
2. 473 views
nico is saving money for his college education. He invests some money at 6%, and $1400 less that that amount at 5%. The
1. 2 answers
2. 889 views
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
1. 1 answer
2. 533 views
If the interest rate is 3% and a total of $4,370.91 will be paid to you at the end of 3 year, what is the present value of that
1. 4 answers
2. 1,672 views
A spring with a spring constant of 22N/m is initally compressed by 2.3cm. How much work is required to compress the spring an
1. 2 answers
2. 519 views
A bird at the top of a tree looks down at a field mouse with an angle of depression of 65 degrees. If the field mouse is 30
1. 4 answers
2. 2,371 views
In Class A there are 80 the Boy to Girl ratio is 3 to 5. In Class B the boy to girl ratio is 3 to 2. If the 2 classes combined
1. 2 answers
2. 716 views
Two elements, R and Q, combine to form two binary compounds. In the first compound, 9.50 g of R combines with 3.00 g of Q. In
1. 3 answers
2. 948 views
Medicine A will reduce the incidence of headaches . what is the independent variable and dependent variable and the two
1. 5 answers
2. 1,748 views
f(x)= 1/x^2-8x-9g(x)= 1/x^2+3x+2
1. 4 answers
2. 241 views
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 3.98 m to
1. 3 answers
2. 910 views
A novice golfer on the green takes three strokes to sink the ball. The successive displacements of the ball are d1 = 3.98 m to
1. 3 answers
2. 1,014 views
A 3.8-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 2.1 m/s2, find the force
1. 3 answers
2. 618 views
(a) One of the moons of Jupiter, named Io, has an orbital radius of 4.22 108 m and a period of 1.77 days. Assuming the orbit is
1. 3 answers
2. 2,375 views
The formula B=30a is used in New England to estimate the minimum furnace output, B, in BTU's for a modern house with the amount
1. 2 answers
2. 861 views
A growing number of colleges are teaming up with banks to issue student ID cards that double as debit cards. There were 51 such
1. 3 answers
2. 381 views
Value Rent-a-Car rents a luxury car at a daily rate of $37.01 plus 10 cents a mile. A business person is allotted $100 for car
1. 3 answers
2. 829 views
Piston Circle 1 in the figure below has a diameter of 0.29 in.; Piston Circle 2 has a diameter of 1.7 in. In the absence of
1. 1 answer
2. 336 views
There are two-digit perfect squares whose square roots are the same as their units digits. What is the sum of these squares?
1. 2 answers
2. 586 views
If a Realtor earns ^% commission for selling a $70,000 home, what is the amount of the commission?
1. 5 answers
2. 506 views
I am thinking A.A scientist claims plants and animals that exhibit reproductive cycles based on the changing seasons are highly
1. 3 answers
2. 1,249 views
I have tried several times to solve this. I have 3 points (0,-5), (3, -6), (-3,-7). I'm trying to get the quadratic equation. I
1. 3 answers
2. 320 views
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.y = 10 x and y
1. 3 answers
2. 772 views
I need help understanding algebra
1. 2 answers
2. 494 views
A certain country taxes the first $20,000 of an individual's income at a rate of 15%, and all income over $20,000 is taxed at
1. 5 answers
2. 2,244 views

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