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Questions (405)
solve x^4-8x^3+64x-105=0 given that 2-i is one solution.
must be tired cause my steps are not calculating correctly
1 answer
457 views
how do I find the relative maximum and minimum values of x^4-x^3-7x^2+x+6
3 answers
331 views
I have no idea totally lost haven't done any type of math in almost 30 years
f(x)= x^4-x^3-7x^2+x+6 all the real roots are
1 answer
398 views
what is the equivalent logarithmic form of 6^z=244
1 answer
379 views
-32x^5y^4-24x^4y-16x^3y=
_ _ _ _ Factor out: -8x^3y
1 answer
448 views
-32x^5y^4-24x^4y-16x^3y=
_ _ _ _ Factor out: -8x^3y
1 answer
378 views
single celled prokaryotes like the bacteria and archaea are the dominant and most diversified groups of living forms today. does
1 answer
613 views
If angle <a and <b are complementary but <a is four times as large as <b, find the measurement of a.
2 answers
640 views
A few weeks ago I was in company with my friend Josephine S. Griffing, when the conductor of a streetcar refused to stop his car
3 answers
1,106 views
Both texts deal with racial discrimination. How does the structure of poem help convey this meaning in a way that the prose
6 answers
1,595 views
find the length of the curve y^2=x^3 between x=0 and x=5
1 answer
365 views
what are the islamic values in the experiment composition of potassium chlorate?I have to do lab report about the topic and the
3 answers
680 views
During manufacturing of a CIGS device, the metal back contact is deposited first, while in case of the CdTe solar cells, the
4 answers
2,086 views
Consider a small module based on interconnected tandem cells of hydrogenated amorphous and microcrystalline silicon as depicted
3 answers
1,829 views
How does the law of conservation of matter apply to mixtures? The law of conservation of matter is a law that states matter
2 answers
573 views
The introduction of maize most likely contributed to which major Native American cultural shift?
A) the creation of large
5 answers
1,304 views
I need help in writing a detailed paragraph contrasting these two stories "Gumption" and "To build a fire" and how their
4 answers
919 views
what does ribosome mean in simple english?
6 answers
434 views
The process that creates cells with different genetic combinations is
a. asexual reproduction b. mitosis c. cell fission d.
2 answers
512 views
Examine the "Winged Genie Fertilizing a Date Tree."
Explain the elements of art found in this work. Is there one element in
6 answers
807 views
Describe examples of the similarities and differences between monasticism and feudalism.
I don't know how to compare the two. My
3 answers
713 views
How does setting contribute to emotional effect in "Two Kinds" by Amy Tan?
For this, I wrote that the setting of Chinatown is
3 answers
690 views
In "Two Kinds," what motivates Jing-Mei to keep silent about her performance at the piano recital, never discussing the recital
3 answers
916 views
let R=20kΩ, L=10mH, and C=40μF. Which angular frequency ω is attenuated most by this filter? (It would help you to first
4 answers
1,380 views
Which of the following is true about the cut-off frequency ωB of a first-order low-pass filter? Suppose that the DC gain is 1.
a
4 answers
1,964 views
For the circuit below, V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is
4 answers
1,329 views
Select all statements below that are TRUE.
a.Transformers can increase both voltage and current at the output. b.Transformers can
4 answers
872 views
V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is 1:10. If R1 has a value of
4 answers
1,259 views
Consider the ideal transformer, where i1(t)=20cos(120πt) Amps and v1(t)=100cos(120πt−45∘) volts, and a = 1 and b = 10.
What
3 answers
615 views
a circuit with an ideal transformer with a source voltage, Vs=10cos(ωt)V, N1:N2=1:4, and RL=50Ω.
What is the magnitude of the
2 answers
954 views
Enter the angle, θ, in degrees. Give the angle in the range [−90∘,90∘].
1 answer
342 views
okay so i really need help please help i dont understand how to do this ive asked my teacher and i still dont understand is
4 answers
1,753 views
H2(g) + I2(g) 2 HI(g)
The forward reaction above is exothermic. At equilibrium, what happens if I2 is removed from the reaction
4 answers
3,330 views
Sample Statement
Mariana Rivera is married, 35 years old, with two children, 5 and 13. She lives in Brisas, in a brick house, and
1 answer
471 views
1. Which of the inner planets has an internal structure similar to Earth's and has the hottest surface of any planet in our
4 answers
1,831 views
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2 and the profit
2 answers
1,124 views
Dunkin Donuts vs. Starbucks
Analyze and report on these two companies. Recommend which company’s stock you would buy and fully
1 answer
430 views
What could be the possible reasons for a pole being supported by a wire?
1 answer
1,313 views
i need help
1. find the square root of 144 a.72 b.-12 c.12 d.1/12
4 answers
489 views
what were some reasons for the war of 1812
1 answer
445 views
In how many ways can 8 boys and 5 girls be assigned seats in a row containing 13 seats if:
1) There are no restrictions. 2) The
1 answer
412 views
Kobe puts $120 every month into an account paying 1.9% for 3 years. He then finds a better interest rate and moves his money
1 answer
265 views
Neva collect a $5000 bonus on the first of the year. She puts the $5000 into a savings account and continues to add an
1 answer
250 views
Bob says he will not retire unless he has 900,000 dollars in his 401K. He is 30 now and plans to contribute a $311 every month
1 answer
289 views
Sullivan says she will not retire unless she has 1.5 million dollars in her 401K. She is 23 now. How much money does she need to
1 answer
258 views
During the Industrial Revolution, what were the working conditions like for factory workers?
1 answer
387 views
1. Explain how to do 27*10^-6)/(9*10^-6) = 3
Please help i dont know how to do it!!
1 answer
157 views
The concentration of carbon dioxide exiting a car's tailpipe is approximately 12% on a volume basis. assuming the exhaust-gas
1 answer
243 views
This recipe has a ratio of 5 cups of flour to 7 cups of sugar. What is the unit rate of cups of flour per cup of sugar?
3 answers
602 views
hi am doing work and came across this question...How did the Phoenicians’ willingness to travel far for trade eventually lead
5 answers
1,539 views
what does the word plum pudding help the reader visualize? please i need help
4 answers
442 views
What are an example of cases that relate to this one?
Brady Milton is a 17-year-old who recently graduated high school and
2 answers
569 views
What are examples of real life cases that relate to this one?
Brady Milton is a 17-year-old who recently graduated high school
1 answer
404 views
how did the plans of presidents hoover & Roosevelt compare for dealing with the great depression?
1. hoover increased federal
3 answers
620 views
How many interest periods are there if the principal is compounded monthly for 5 years?
3 answers
403 views
What were the outcomes of the Glorious Revolution?
(Select all that apply.) William and Mary overthrew King James II. Parliament
1 answer
233 views
Two or More Central Ideas Quick Check
1 of 41 of 4 Items Question Which term refers to the general subject of a text?(1 point)
21 answers
3,821 views
A microwave rated at 1000 W heats a 500-g glass of water from 10°C to 55°C in 2.0 min. Determine the efficiency of the energy
1 answer
196 views
Q. Atmospheric pressure on the peak of Mont Everest can be as low as 0.20 atm. If the volume
of an oxygen tank is 10.0L, at what
1 answer
257 views
Group 1 elements have an average electronegativity of 0.84 (not including hydrogen). Group 17 elements have an average
4 answers
2,854 views
I don't underrstanddddddd
1 answer
145 views
Which expression is equivalent to -28x^2 + 35x?
F 7x(4x + 5) G -7x(4x − 5) H 7x(4x − 5) J -7x(4x + 5)
3 answers
417 views
Write the equation for the logarithmic function that has the following transformation from the parent logarithmic function. The
1 answer
132 views
1) Which one of the following is an exponential function?
A. f(x)=(1/x)^5 B. f(x)=4^7+2x C. f(x)=(-3)^x please help
1 answer
77 views
What are the domain and range for the exponential parent function, where b is a positive real number not equal to 1 and a > 0?
A.
1 answer
208 views
if {an} is an arithmetic where a1=-23 and the common difference is 6, find a79.
A. 445 B. 491 C. 439 D. 451 please help
4 answers
129 views
1. a 2000 kg SUV is moving at 25 m/s. What force is needed to bring it to a stop in 8 seconds?
2. A 20 kg child is sitting in a
3 answers
176 views
Please show your work.
1. a 2000 kg SUV is moving at 25 m/s. What force is needed to bring it to a stop in 8 seconds? 2. A 20 kg
1 answer
148 views
A 75 kg linebacker moving at 6 m/s is running towards an 80 kg tackle moving at 4 m/s. If they collide and stick together, how
3 answers
81 views
find (fog)(x) when f(x)=x^+7x+6 and g(x)=1/x+2
A. x^3+9x^2+20x+12/x^2+4x+4 B. 6x^2+31x+39/x^+4x+4 C. x^2+7x+6/x+2 D. x+1 please
2 answers
78 views
8. Define a function that transforms the parent root function with a horizontal compression by a factor of 2 and a downward
3 answers
122 views
find the inverse function of the function f(x)=2x^-1
2 answers
81 views
find the inverse function of the function f(x)=2x^3-1
2 answers
79 views
You have a difficult nut that is jammed, and you need a wrench to turn it. You have three different lengths of wrench to choose
1 answer
159 views
A ball, cylinder and ring having the same mass have _____________ rotational inertia. Choose the best option.
A. different B. no
1 answer
97 views
Calculate the moment of inertia of a spinning object of radius 0.6 m and moving at 5 m/s. The mass of the object is 3 kg if it
1 answer
120 views
Calculate the moment of inertia of a spinning object of radius 0.6 m and moving at 5 m/s. The mass of the object is 3 kg if it
1 answer
108 views
You have a hoop, a cylinder, and a sphere. If all have the same mass and radius, which one has the most rotational kinetic
1 answer
101 views
A spinning top precesses due to the action of a ____________ due to ____________. Choose the best option.
A. torque, angular
4 answers
114 views
Why is it important for professional photographers to calibrate their computer monitors?
(1 point) Responses to create a
1 answer
133 views
Wnet = ΔEk = Ek,f − Ek,i
A pendulum with mass 500 g is attached to the ceiling. It is pulled up to point A, height = .5 meter
1 answer
52 views
The work-energy theorem states that the work done by the sum of all forces acting on a object equals the change in
A. toruqe B.
1 answer
81 views
calculate s20 for the arithmetic sequence in which a11=3.2 and the common difference is d=2.9
A. -25.8 B. 35 C. 29.3 D. -87.6
4 answers
91 views
simplify f+g/f-g when f(x)=x-2/x+5 and g(x)=x-5/x+2
A. 2x*2-29/21 B. 21/2x*2-29 C. -2x*2-29/29 D. -29/2x*2-29
2 answers
61 views
please help.
1. Calculate the amount of heat necessary to raise the temperature of a 3 kg sample of aluminum from 40°C to 95°C
1 answer
173 views
pls help.
1. Calculate the amount of heat necessary to raise the temperature of a 3 kg sample of aluminum from 40°C to 95°C if
3 answers
169 views
pls help.
1. Calculate the amount of heat necessary to raise the temperature of a 3 kg sample of aluminum from 40°C to 95°C if
1 answer
118 views
1. Calculate the amount of heat necessary to raise the temperature of a 3 kg sample of aluminum from 40°C to 95°C if the
1 answer
118 views
1. Calculate the amount of heat necessary to raise the temperature of a 3 kg sample of aluminum from 40°C to 95°C if the
1 answer
153 views
Which trigonometric function has a range that does not include 0.6?
y = cos x y = sec x y = tan x
4 answers
87 views
How do the graphs of f(x) = tan x and g(x) = 4 tan (x) - 7 compare? (Select all that apply)
The amplitude of g(x) is quadruple
4 answers
101 views
what does it mean if dna is polymerised
2 answers
66 views
compare dna polymerase and dna sequencing techniques regarding template, primers and nucleotides
2 answers
85 views
what is dideoxysequencing method
2 answers
81 views
what will happen if the annealing temperature is too or too low
2 answers
81 views
define the term reading frame . explain the possible effect of a mutation on a reading frame
2 answers
78 views
importance of proofreading in dna
4 answers
84 views
explain transcription process
4 answers
115 views
describe how two nucleotides are linked to form a single strand of dna in order for the strand to have 5 prime to 3 prime
2 answers
103 views
list between the differences of pcr and dna sequencing
2 answers
100 views
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