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Drake

Questions and answers by Drake

Questions (98)

Find all the vectors that are perpendicular to (1,4,4,1) and (2,9,8,2).
1. 4 answers
2. asked by Drake
3. 3,144 views
R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1.(a) Set up and evaluate an integral that
1. 4 answers
2. 943 views
Identify the word that has an error in capitalization.Esther studied drama at Yale University. A. drama B. Yale C. University D.
1. 2 answers
2. 179 views
Which of the following is a specific word as opposed to a general word?A. activity B. athletics C. football D. sport
1. 2 answers
2. 126 views
Resources are being used efficiently when1. scarcity is not longer an issue 2. they are also used equitably 3. every opportunity
1. 4 answers
2. 1,622 views
On January 1, 2007, the Accumulated Depreciation-Machinery account of a particular company showed a balance of $370,000. At the
1. 1 answer
2. 719 views
What is the supplement, and compliment of 6x-5. Thanks in advance.
1. 1 answer
2. 343 views
Build a 9-digit numeralwrite 2 in the hundreds place 5 in the ten thousands place 7 in the millions place 6 in the hundred
1. 1 answer
2. 485 views
What times on a clock form an acute angle.. 2:00 6:40 1:30 12:50?
1. 3 answers
2. 493 views
A crow is on the ground 80 feet from the base of a 45 foot tall tree. It then flies straight throught the air to the top of the
1. 2 answers
2. 638 views
Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30 dgrees and 60
1. 2 answers
2. 553 views
What is the binary representation of the following hexadecimal number? What are the decimal numbers they represent when
1. 4 answers
2. 1,792 views
A bobsled slides down an ice track starting(at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of
1. 3 answers
2. 1,448 views
There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?
1. 7 answers
2. 2,973 views
One day a third of the class is absent and 16 children are present. How many children are in the class when no one is away?
1. 2 answers
2. 491 views
A man weighs 772 N on Earth. What would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s2? The acceleration of
1. 2 answers
2. 729 views
We have this thing called MAT and we have to do a survey this week.What's your favorite type of music? Pop Hip hop Rap Rock
1. 3 answers
2. 454 views
suppose you used the rule (3x+1,3y-4) to transform the original figure into a new figure. Would the new figure be similar to the
1. 6 answers
2. 487 views
Calculate mass of iron in tablet by spectroscopy?I have to calculate the mass of iron in a tablet..The manufacturers claim it
1. 4 answers
2. 1,623 views
Ag+2 is generated in a lab. This is an unusual oxidation state for AG. Write the ground state electronic configuration of Ag+2
1. 2 answers
2. 503 views
Help writing complete ionic and net ionic equations.?Hg2(NO3)2 (aq) + CuSO4 ---> Cu(NO3)2 (aq) + Hg2SO4 (s) K2CO3 (aq) + MgI2
1. 4 answers
2. 4,177 views
What is the gravitational potential energy of a 5kg object resting 3m above the ground?
1. 3 answers
2. 974 views
What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?
1. 1 answer
2. 304 views
What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?
1. 1 answer
2. 330 views
A 0.8 m diameter tank is filled with water to a depth of 2.2 m and is open to the atmosphere at the top. The water drains
1. 2 answers
2. 598 views
Figure 18-46 shows a hydraulic lift operated by pumping fluid into the hydraulic system. The large cylinder is 40 cm in
1. 3 answers
2. 713 views
Use synthetic division and the Remainder Theorem to find P(-5) if P(x) = -x^3 - 4x^2 + x - 2.Please help....?
1. 4 answers
2. 3,061 views
If a is a real number and a cubic equationf(x)=x^3−8x^2+(a+12)x−2a has a repeated root, what is the sum of all the possible
1. 1 answer
2. 406 views
If the quadratic equation for x{1+(a+b)^2}x^2−2(2a+2b+1)x+5=0 has real roots, what is the value of a^3+b^3+6ab+a+b?
1. 1 answer
2. 325 views
Find the largest integer N for which N−6 evenly divides N^3−6.
1. 1 answer
2. 342 views
There are two points A=(2,0) and B=(4,0) and a moving point P=(t,t) on the xy-plane. If the minimum value of line AP+ line BP is
1. 1 answer
2. 287 views
Let z be a complex number such thatz=2(cos8∘+icos82∘). Then z^5 can be expressed as r(sinα∘+icosα∘), where r is a real
1. 1 answer
2. 317 views
In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in
1. 4 answers
2. 512 views
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
1. 2 answers
2. 527 views
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
1. 4 answers
2. 2,661 views
If the function y=(x^2−2x)^2+6x^2−12xhas the minimum value b at x=a, what is a−b?
1. 1 answer
2. 311 views
Consider the graph of the quadratic function y=ax^2+bx+c.If it passes through two points P=(6,0) and Q=(14,0), and its vertex is
1. 3 answers
2. 625 views
What is the maximum value of f(f(x)) in the domain 4≤x≤7 for the functionf(x)=x^2−10x+22?
1. 1 answer
2. 320 views
If f(x)=(x+1)^2/(2x+1)^3, then f′(1)= −a/b. What is a and b?
1. 1 answer
2. 243 views
f(x) is a function differentiable at x=1 and f′(1)=1/13. What is the limit of (x^3 - 1)/f(x) - f(1) as x approaches 1?
1. 2 answers
2. 738 views
The vertex angle of an isosceles triangle is 40°20'. Each of the leg measures 320 mm. Find the length of the base.
1. 4 answers
2. 2,056 views
A television antenna is situated atop a hill. From a point 200 m from the base of the hill, the angle of elevation of the top of
1. 2 answers
2. 982 views
Please Explain thoroughly.A cell exists in a solution of 10% salt and has an internal concentration of 90% salt. Draw this
1. 1 answer
2. 431 views
What is the wavelength (in nm) of an electron with v = 6.0x 105 m/s?
1. 1 answer
2. 364 views
How does the U.S. Constitutions distribute power through the federal government?
1. 1 answer
2. 434 views
Beth's car has a gas tank that can hold 15 gallons of gas. Her car uses1/30 of a gallon of gas per mile driven. Darcy's car has
1. 4 answers
2. 1,321 views
Ava made 100 paper cranes, and Brittany made34of the number of paper cranes Ava made. Ava gave920of her paper cranes to
1. 3 answers
2. 639 views
Let the points A = (−1, −2, 0), B = (−2, 0, −1), C = (0, −1, −1) be the vertices of a triangle.(a) Write down the
1. 2 answers
2. 923 views
Consider the system of equations:x1 + x2 + x3 = 6, −x1 − 2x2 + 3x3 = 1, 3x1 − 4x2 + 4x3 = 5. (a) Write down the augmented
1. 4 answers
2. 935 views
A race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip over the
1. 2 answers
2. 604 views
PhysicsA race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip
1. 1 answer
2. 536 views
Suppose A, B, and C are sets. In at least one of the following situations, one can conclude that A = B.Identify those cases
1. 2 answers
2. 518 views
10 Paula asked 30 students what they ate for lunch.All the students had at least a sandwich, salad or fruit. 5 students had a
1. 4 answers
2. 1,640 views
In January, the price of a kilogram of potatoes at Supermarket X was $3.20.In May, a kilogram of the same type of potatoes cost
1. 1 answer
2. 448 views
nine kids and two adults are going to the circus. kids tickets are on sale for only half the price of adult tickets. the total
1. 4 answers
2. 951 views
Write an equation of a circle with the given center and radius.center (-7, -6) and radius 2. A. (x+7)^2+(y+6)^2=4 B.
1. 3 answers
2. 1,572 views
A concave mirror has a focal length f = 200 [cm]. The mirror is lying flat on the floor. You take a ball and align it with the
1. 1 answer
2. 512 views
if the solubility of sugar is 204g/100mL. how much sugar can be dissolved in lL of water
1. 1 answer
2. 420 views
Come up with a new linear function that has a slope that falls in the range -1<m<0. Choose two different initial values. For
1. 1 answer
2. 238 views
Come up with a new linear function that has a slope that falls in the range -1<m<0. Choose two different initial values. For
1. 4 answers
2. 349 views
Find the difference in potential energy if the zero level is at point A.Answer in units of J.
1. 1 answer
2. 58 views
What does Shirley Jackson accomplish by using stock characters in “The Lottery” instead of complex characters?A. Readers
1. 10 answers
2. 154 views
Which poetic device is used in the following line of Marge Piercy's poem "To be of use"?"The work of the world is common as
1. 7 answers
2. 112 views
Choose the word that best completes the sentence.Though they were hungry, both Mara Lee and Roman stayed for _____ meeting. A.
1. 2 answers
2. 105 views
Identify the sentence in which the underlined verb does not agree with its subject.A. The books on this table are all about
1. 2 answers
2. 67 views
Identify the degree of comparison for the underlined word.The most original idea was submitted by a pair of tenth graders. A.
1. 2 answers
2. 92 views
Identify the word that has an error in capitalization.Did you know that the largest lake in North America is Lake Superior? A.
1. 2 answers
2. 139 views
Identify the incorrectly punctuated sentence.A. Fred slipped on the ice, spraining his finger, and his wrist. B. He cannot take
1. 2 answers
2. 108 views
Identify the incorrectly punctuated sentence.A. The child wore a pink cotton shirt. B. We had a tiring, hot day outdoors. C. She
1. 2 answers
2. 106 views
On a Works Cited page, which of the following should be in italics?A. title of a book B. title of a webpage C. title of a short
1. 2 answers
2. 162 views
Identify the correctly punctuated sentence in each group.A. We forgot Mark ticket at our hotel. B. We forgot Mark’s ticket at
1. 2 answers
2. 109 views
Identify the correctly punctuated sentence in each group.A. The man said Turn right at the corner. B. The man said “Turn right
1. 2 answers
2. 97 views
Which sentence would make the best opening for a speech arguing for more nutritious school lunches?A. Many students dislike the
1. 2 answers
2. 88 views
Which of the following best defines a simile?A. an apparent contradiction B. a type of literal speech C. a comparison using like
1. 2 answers
2. 114 views
Which of the following would not always require a citation in a research paper?A. information from website B. information from
1. 2 answers
2. 96 views
Which of the following parenthetical citations is placed and punctuated correctly?A. Edgar Allan Poe was born in Massachusetts
1. 2 answers
2. 105 views
A ____ includes all the works an author consulted but did not necessarily cite in the actual report.A. Works Cited page B.
1. 2 answers
2. 139 views
Choose the topic that best limits the broad subject history.A. history of money B. history of Irish music C. history of the
1. 54 answers
2. 319 views
Which of the following is the most negative connotation of the word debacle?A. accident B. catastrophe C. mishap D. near miss
1. 2 answers
2. 71 views
Which of the following is the denotation of the word ambitious?A. power-hungry B. driven and successful C. determined to succeed
1. 2 answers
2. 78 views
Use context clues to determine the meaning of the italicized word in the sentence below.After the CEO was found guilty in court,
1. 2 answers
2. 94 views
Which suffix would you add to loathe to make the word meaning “full of hatred?”A. -able B. -ance C. -ible D. -some
1. 2 answers
2. 92 views
Suppose the state is considering a proposal to raise the legal driving age from 16 to 18. The following letter addresses this
1. 5 answers
2. 149 views
How do electromagnets cause a maglev train to levitate above the track? (1 point)Responses Magnets in the track and magnets in
1. 2 answers
2. 134 views
What happens to sound waves from an object as it moves toward you?(1 point)Responses The pitch gets lower because of an increase
1. 2 answers
2. 100 views
Which combination of frequencies would produce the lowest beat frequency?(1 point)Responses 10 Hz and 20 Hz 10 Hz and 20 Hz 10
1. 2 answers
2. 118 views
sound has a higher pitch than a bell. Which quantity must also be higher in this sound than in the bell?(1 point)Responses
1. 2 answers
2. 100 views
Which statement regarding sound traveling in air is correct?(1 point) Responses The frequency of a sound does not affect the
1. 5 answers
2. 171 views
Which forms of electromagnetic radiation are arranged in order of increasing energy?(1 point) Responses microwaves, ultraviolet,
1. 13 answers
2. 179 views
A student is using a weak computer to design a logo. If the weak computer is the only constraint, should the student use the
1. 2 answers
2. 96 views
What is the energy released during cellular respiration used for?(1 point)Responses it is released to the environment it is
1. 2 answers
2. 123 views
In this ecosystem, oak trees have a biomass of 124,778 gm2and create 78,871 kcalm2yr of energy. How much energy will the
1. 2 answers
2. 83 views
Imagine a large tree in a rainforest. Which of the following is true about it?(1 point)Responses If the species of this tree
1. 1 answer
2. 151 views
What is true about adaptation and speciation?(1 point)Responses Adaptations consistently lead to speciation. Adaptations
1. 2 answers
2. 109 views
Simultaneous coevolution on Earth is a result of changes in one system affecting another. Identify one cause and a feedback
1. 2 answers
2. 128 views
Use the paragraph to answer the question.Over millions of years, at a convergent boundary, rocks are pushed up against each
1. 2 answers
2. 102 views
How has technology changed the cause-and-effect relationship between the development of human society and natural hazards or
1. 2 answers
2. 152 views
Which of the following is the most important factor in whether a material is sustainable?(1 point)Responses cost cost
1. 2 answers
2. 97 views

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