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John
Questions (4,794)
When you post a picture on social media, it seems like your friends randomly "like" the picture. Independent of the quality or
0 answers
741 views
Describe an additional test that could be done to confirm that the colour is due to the metal ions
2 answers
509 views
What weight of Chlorine gas will occupy the same volume at 10.0 degrees Celsius as that occupied by 6.4 g of SO2 gas at 40.0
1 answer
332 views
Find the area of the indicated region. We suggest you graph the curves to check whether one is above the other or whether they
1 answer
1,287 views
The first term of an AP is -12 and the last term is 40 if the sum of the progression is 196, find the number of terms an the
1 answer
451 views
in of mice and men Do you think that Candy’s opinion of Curley’s wife is justified? Why or why not?
0 answers
825 views
Which of the following is a constitutional function of Congress?
1 answer
321 views
A 6 inch personal pizza has 620 calories, with 240 of those from fat. A 16 inch pizza is cut into 8 slices. Estimate the number
1 answer
1,239 views
A wheel with a radius of 3 cm is being pushed up a ramp at a rate of 7 cm per second. The ramp is 640 cm long, and 200 cm tall
0 answers
439 views
Use the Extended Euclidean Algorithm to find the values of s and t, such that gcd(430, 410) = s * 430 + t * 410
1 answer
388 views
I need help on this singular question relating to finding the volume of a solid that is obtained. Any help is appreciated,
6 answers
502 views
Answer the question with a complete sentence. Write your answer in Spanish.
¿Dónde duermes?
2 answers
1,180 views
Logx³-logx²
1 answer
468 views
Let T be a tree with vertex set {v1, v2, . . . , vn}, and a weight wij on edge vivj .
(a) Prove that it’s possible to put a
0 answers
284 views
Prove that it’s possible to put a number on every vertex such that each weight wij is
the sum of the numbers on vertices vi and
0 answers
239 views
Let T be a tree with vertex set {v1, v2, . . . , vn}, and a weight wij on edge vivj .
(a) Prove that it’s possible to put a
0 answers
355 views
Prove that the complete bipartite graph Ks,t is 2-connected for any s ≥ 2 and t ≥ 2.
1 answer
368 views
Use trig identities to transform the expression (sec θ)/(csc θ) into a single trig function. Assume θ is acute. Work must be
1 answer
446 views
If csc θ = 5 and θ is an acute angle, find:
a. sin θ b. cos θ
1 answer
316 views
Siko is a contestant on a TV game show called Win a Million. Each time
she answers a multiple-choice question correctly, she wins
0 answers
790 views
The Toronto Maple Leafs are facing the Montréal Canadiens in a best
of seven playoff series. The first team to win four games
1 answer
1,485 views
Two teams are playing in a best of seven playoff series. The first team to win four games wins the series. Ties are broken
2 answers
1,322 views
True or false,
- C5 has a subgraph isomorphic to C4. - K5 has a subgraph isomorphic to K2,3. - The complement of C6 is bipartite.
1 answer
1,328 views
The product of Vida's score and 4 is 44.
1 answer
345 views
The position of a particle moving along the x-axis at time t > 0 seconds is given by the function x(t) = e ^ t - 2t feet.
a) Find
1 answer
4,435 views
A person who was listening to a siren reported that the frequency of the sound fluctuated with time, measured in seconds. The
0 answers
573 views
1. The three angles of a triangle are (x − 25)°, (2x+ 40)°and 30°.
a. Form an equation to represent the information given,
1 answer
496 views
A patient arrives in the emergency room with a burn caused by steam. Calculate the heat that is released when 10.7 g of steam at
4 answers
4,563 views
A right square pyramid has a surface area of 65.5m² and a base length of 3.5 m. Determine the height of the pyramid
1 answer
459 views
The sketch shows a curve with equation y=ab^x where a and b are constants and b > 0
The curve passes through the points (2,50),
1 answer
674 views
The rectangle below has a perimeter of 50 units what is the length in units of the shorter side
1 answer
450 views
the point P(-5,-3) lies on the terminal arm of an angle theta in standard position. what is the measure of theta?
1 answer
2,143 views
a rabbit starts running from point a in a straight line in the direction 52° from the north at 4.2 ft/sec. at the same time a
2 answers
629 views
Express 7 1/20% as a decimal
1 answer
340 views
If1/8=y%, find y
1 answer
172 views
if 40% of the pupils in a school are boys. What percentage of pupils is girls
1 answer
518 views
Which excerpt from the diary of Samuel Pepys most clearly indicates that he was a wealthy man ?
7 answers
2,898 views
Can someone please explain how a Venn Diagram can be used to determine whether two or more events are mutually exclusive?
1 answer
298 views
Find the LCD for the fractions 1/7 and 3/5
1 answer
2,580 views
Abeba walks to school.she walkps 1km im 15 minutes.she meets her friend makeda - they talk for 5 minutes and then carry on
3 answers
889 views
A car starting from rest& moves for 20 seconds its velocity reach 5m/s & moves at this velocity for 30 seconds.it's velocity
3 answers
379 views
How were the delegates to the Constitutional Convention of 1787 selected?
0 answers
521 views
Which process in photosynthesis uses energy from the sun?(1 point)
82 answers
4,372 views
An object is moving in a straight line according to s(t)= -t^2+10t+30 where s(t) is how far the object goes in miles in t time
8 answers
521 views
If the radius of a circle changes from 1.00in. to 1.01in. estimate the change in the area.
Would the answer be .03 in^2?
6 answers
220 views
Using the pencil and paper method a derivative came out to be 600, but using a calculator the derivative came out to be
4 answers
285 views
Find f'(x) for f(x) = -3x^2+4x+5 using the difference quotient
2 answers
234 views
y'' for y=-3(2x-7)^6
Is the answer -360(2x-7)^4 ?
1 answer
243 views
Prove that for all integers a, b, c , if a | c and b | c , then ab | c²
1 answer
350 views
Callisto orbits Jupiter at an average distance of 1.88 106 km with an orbital period of 0.0457 yr. Pluto, which is one of the
2 answers
1,084 views
I LOVE YOU BILLY
0 answers
190 views
Draw a free body diagram for a satellite in an elliptical orbit showing why its speed increases as it approaches its parent body
1 answer
2,145 views
simplify the question with the restriction
x^2+9y^2/x-3y + 6xy/3y-x
1 answer
551 views
When we were alone, [Lillian Jean] confided her secrets to me: the boy she had passionately loved for the past year and the
5 answers
1,105 views
Va = Vi + Vj, Vb = Vj, Vc = Vk, check if the vectors are Coplanar, Left hand triple or Right hand triple
1 answer
295 views
The quotient of a number and -9 increased by 10 is 11?
2 answers
277 views
The amount of revenue brought in by states from motor
vehicle licenses increased at a relatively constant rate of 499.79 million
1 answer
577 views
In a formal discussion,
A. there are no specific rules. B. no one is in charge of leading. C. facts are backed by evidence. D.
28 answers
1,492 views
Find the equation of the tangent to the curve y = 2 - sqrt(x) perpendicular to the straight line y + 4x - 4 = 0
3 answers
390 views
A boat crosses a river 1.5km wide in 15 mins.if the river flows at 2 km/h , calculate the velocity of the boat
4 answers
1,090 views
The height in metres of a projectile launched from the top of a building is given by h(t) =- 5t2 + 10t+5 where t is the time in
1 answer
1,480 views
Write an article for publication in a national newspaper discussing at least two reasons why students should cultivate the habit
2 answers
894 views
Even on a windy day, most plants can remain upright. Which structure plays the greatest role in providing a plant with the type
0 answers
231 views
Determain if the underlined word or phrase is a participle or a verb. The "questioning" reporter inquired about the cause of the
34 answers
10,594 views
How might the Iroquois have been helpful in assisting the British troops in the surprise attack?
A) Spain gained Florida. B)
1 answer
419 views
A street light is at the top of a 14 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 7 ft/sec along a
1 answer
585 views
If I have A v B given in a logic proof is it legal to say A is true so that I can use it to conclude C is true from the
0 answers
322 views
The amount of aluminum in a 100-g sample of the metal is
2 answers
911 views
A die is rolled repeatedly.
(i) Find the probability that the third time a ‘6’ shows is on the 20th roll. (ii) Generalise
1 answer
389 views
The efficiency of a machine is 80%. Determine the work done by the person using this machine to raise a load of 200kg through a
1 answer
348 views
How did government try to make sure that the educational system met the needs of a steadily industrializing nation?
0 answers
303 views
The molecular weight of compound C2H2 CHO is.
1 answer
506 views
A survey finds customers are charged incorrectly for an item 20% of the time. Suppose a customer purchases 15 items. Find the
1 answer
886 views
A woman makes n baskets and sells them all at the same price
A) if she sells all but three of the basket , she will get #11,400
3 answers
1,009 views
the sum of twice a number and quotient of six and three is twenty.write as an algebraic expression.
1 answer
1,018 views
double the sum of a double the number and quotient of five and two. write as an algebraic expression.
1 answer
683 views
how do you do this question: Use a print news or online news source to find an article that illustrates concepts presented in
1 answer
2,418 views
Is the demand for childcare workers elastic or inelastic?
0 answers
320 views
Juan plans to build a bookcase to store his paperback books, DVDs,
and CDs. He has lumber that he will use for the sides and back
1 answer
621 views
2 + 2
4 answers
202 views
If f(x) = sqrt x + 3/sqrt x, then f’(4) =
2 answers
10,906 views
can someone please check my answers thank you.
1.)the u.s. supreme court decides which cases it will hear by a vote of its? a.)9
2 answers
473 views
Q1: A runner is jogging in a straight line at a steady vr= 6.8 km/hr. When the runner is L= 2.4 km from the finish line, a bird
2 answers
753 views
A rhombus with diagonals 12cm and 7cm.measure a side of the rhombus.
1 answer
422 views
Which of the following is always true about a reaction at equilibrium?
A. The concentration of the products is not equal to the
4 answers
4,935 views
A weak acid with a Ka of 1.8 × 10–5 is titrated with a strong base. During the titration,12.5 mL of 0.10 M NaOH is added to
4 answers
1,437 views
During which stroke of a four-stroke internal combustion engine is work done by the system of gases?
A. Power stroke B. Intake
9 answers
2,732 views
Subtract (2-4x^9+3x^3)-(7x+x^3-6+12x^4) and simplify
1 answer
424 views
Consider the matrix given. Explain why it is not orthonormal, then use the columns with Gram-Schmidt to create an orthonormal
1 answer
567 views
Find the line of best fit for the points (1,-3), (-1, 4), (0,2), and (1,1).
0 answers
459 views
Explain the meaning of words,adverbial phrase, adverbial clause, adjectival phrase, adjectival clause.
1 answer
480 views
How do you solve the definite integral of sqrt( (t+1)^2 ) from 0 to 1. I tried using u-substitution, but I am not sure if this
1 answer
399 views
f(x) = 5e^x
absolute maximum absolute minimum local maximum local minimum need some help please
1 answer
391 views
I just finished semester 1 of AP Chem through APEX learning virtual school and ended up with a 96%. If anyone needs help on
0 answers
199 views
The sum of the first n odd numbers in n^2. The sum of the first 30 odd numbers is
A.60 B.90 C.300 D.900
1 answer
356 views
Why does nacl conduct electricity and benzene do not
1 answer
958 views
Why does a weather balloon pop if it goes too high?
A. The pressure in the balloon decreases as the temperature increases. B. The
3 answers
2,087 views
What is the value of 𝐾 for this aqueous reaction at 298 K?
A+B↽−−⇀C+DΔ 𝐺°=11.53 kJ/mol
1 answer
662 views
f(t)=3sqrt(2t-1)
why domain is all real #'s ? 3sqrt(2t-1) >= 0 ( 3sqrt(2t-1) )^3 >= (0)^3 t>= 1/2 ?
1 answer
1,068 views
Kami's fitness trainer recommends that she drinks 121212 fluid ounces of water 888 times a day.
How many cups does Kami drink in
12 answers
1,748 views
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