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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
765 views
Describe an additional test that could be done to confirm that the colour is due to the metal ions
2 answers
518 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
353 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
1,301 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
459 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
833 views
Which of the following is a constitutional function of Congress?
1 answer
326 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
1,250 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
448 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
398 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
516 views
Answer the question with a complete sentence. Write your answer in Spanish.
¿Dónde duermes?
2 answers
1,198 views
Logx³-logx²
1 answer
483 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
287 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
244 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
364 views
Prove that the complete bipartite graph Ks,t is 2-connected for any s ≥ 2 and t ≥ 2.
1 answer
383 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
467 views
If csc θ = 5 and θ is an acute angle, find:
a. sin θ b. cos θ
1 answer
319 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
813 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
1,519 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
1,381 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
1,341 views
The product of Vida's score and 4 is 44.
1 answer
352 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
4,450 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
587 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
509 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
4,600 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
472 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
687 views
The rectangle below has a perimeter of 50 units what is the length in units of the shorter side
1 answer
459 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
2,158 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
646 views
Express 7 1/20% as a decimal
1 answer
349 views
If1/8=y%, find y
1 answer
177 views
if 40% of the pupils in a school are boys. What percentage of pupils is girls
1 answer
530 views
Which excerpt from the diary of Samuel Pepys most clearly indicates that he was a wealthy man ?
7 answers
2,922 views
Can someone please explain how a Venn Diagram can be used to determine whether two or more events are mutually exclusive?
1 answer
301 views
Find the LCD for the fractions 1/7 and 3/5
1 answer
2,595 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
906 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
398 views
How were the delegates to the Constitutional Convention of 1787 selected?
0 answers
537 views
Which process in photosynthesis uses energy from the sun?(1 point)
82 answers
4,397 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
536 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
227 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
297 views
Find f'(x) for f(x) = -3x^2+4x+5 using the difference quotient
2 answers
239 views
y'' for y=-3(2x-7)^6
Is the answer -360(2x-7)^4 ?
1 answer
246 views
Prove that for all integers a, b, c , if a | c and b | c , then ab | c²
1 answer
352 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
1,112 views
I LOVE YOU BILLY
0 answers
197 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
2,164 views
simplify the question with the restriction
x^2+9y^2/x-3y + 6xy/3y-x
1 answer
561 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
1,123 views
Va = Vi + Vj, Vb = Vj, Vc = Vk, check if the vectors are Coplanar, Left hand triple or Right hand triple
1 answer
313 views
The quotient of a number and -9 increased by 10 is 11?
2 answers
284 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
596 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
1,505 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
397 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
1,101 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
1,497 views
Write an article for publication in a national newspaper discussing at least two reasons why students should cultivate the habit
2 answers
909 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
236 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
10,614 views
How might the Iroquois have been helpful in assisting the British troops in the surprise attack?
A) Spain gained Florida. B)
1 answer
431 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
594 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
334 views
The amount of aluminum in a 100-g sample of the metal is
2 answers
918 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
398 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
359 views
How did government try to make sure that the educational system met the needs of a steadily industrializing nation?
0 answers
310 views
The molecular weight of compound C2H2 CHO is.
1 answer
520 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
893 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
1,023 views
the sum of twice a number and quotient of six and three is twenty.write as an algebraic expression.
1 answer
1,047 views
double the sum of a double the number and quotient of five and two. write as an algebraic expression.
1 answer
699 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
2,437 views
Is the demand for childcare workers elastic or inelastic?
0 answers
326 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
643 views
2 + 2
4 answers
215 views
If f(x) = sqrt x + 3/sqrt x, then f’(4) =
2 answers
10,918 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
486 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
767 views
A rhombus with diagonals 12cm and 7cm.measure a side of the rhombus.
1 answer
437 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
4,961 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
1,457 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
2,768 views
Subtract (2-4x^9+3x^3)-(7x+x^3-6+12x^4) and simplify
1 answer
429 views
Consider the matrix given. Explain why it is not orthonormal, then use the columns with Gram-Schmidt to create an orthonormal
1 answer
586 views
Find the line of best fit for the points (1,-3), (-1, 4), (0,2), and (1,1).
0 answers
470 views
Explain the meaning of words,adverbial phrase, adverbial clause, adjectival phrase, adjectival clause.
1 answer
493 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
408 views
f(x) = 5e^x
absolute maximum absolute minimum local maximum local minimum need some help please
1 answer
392 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
217 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
365 views
Why does nacl conduct electricity and benzene do not
1 answer
973 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
2,115 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
680 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
1,075 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
1,766 views
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