What would happen to X in this expression: X += 15; (assuming the value of X is 5)

1 Answer

Answer :

X +=15 is a short method of writing X = X + 15, so if the initial value of X is 5, then 5 + 15 = 20.

Related questions

Description : Define what would happen to X in this expression: X += 15;

Last Answer : (assuming the value of X is 5) X +=15 is a short method of writing X = X + 15, so if the initial value of X is 5, then 5 + 15 = 20.

Description : The difference in the reservoir level and the lowest point of the water mains is 180 m. The  expected pressure due to water hammer is 7.5 kg/cm2  in a pressure conduit of diameter 1 m.  Assuming the efficiency of the ... , is  (A) 10 mm  (B) 15 mm  (C) 20 mm  (D) 25 mm 

Last Answer : (C) 20 mm

Description : The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration ... 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec

Last Answer : ANS: C

Description : Which of the following is a typical consequence of dental crowding, assuming no primary tooth has been lost prematurely? A. Overlapping of lower incisors B. Palatal displacement of upper canines C. Impaction ... and first molars D. Mesial tipping of 16 and 26 E. Rotation of 16 and 26

Last Answer : A. Overlapping of lower incisors

Description : For a gaseous reaction, `A(g)+3B(g)to3C(g)+3D(g),DeltaU` is 17 kcal at `27^(@)C`. Assuming `R=2cal" "K^(-1)mol^(-1)`, the value of `DeltaH` for the ab

Last Answer : For a gaseous reaction, `A(g)+3B(g)to3C(g)+3D(g),DeltaU` is 17 kcal at `27^(@)C`. Assuming `R=2cal" " ... Kcal B. 18.2 Kcal C. 20.0 Kcal D. 16.4 Kcal

Description : The rate constant of a chemical reaction increases by 100 times when the temperature is increased from 400 °K to 500 °K. Assuming transition state theory is valid, the value of ‘E/R’ is (A) 8987°K (B) 9210°K (C) 8764°K (D) 8621°K

Last Answer : (B) 9210°K

Description : What is the algebraic expression for twice the number,x, increased by 15?

Last Answer : 2x+15

Description : Would you get excited about participating in a contest involving creating your own short online video advertisement for Product X (assuming the prize and organizations behind it were reputable)? Why or why not?

Last Answer : No, but 16–23 year old guys would.

Description : A ball is thrown horizontally from the top of a cliff. Assuming no air resistance, the acceleration of the ball while it is in flight is: w) in the vertical direction only x) in the horizontal direction only y) in the vertical and horizontal directions z) zero.

Last Answer : ANSWER: W -- IN THE VERTICAL DIRECTION ONLY

Description : Assuming constant gravity and no air resistance, the path of a cannonball fired from a cannon is: w) a semi-circle x) an ellipse y) a parabola z) a hyperbola

Last Answer : ANSWER: Y -- A PARABOLA 

Description : To a person standing on shore, an object dropped from the mast of a passing sailboat will trace what path, assuming negligible air resistance. Is it: w) vertical straight line x) slanted straight line y) parabola z) hyperbola

Last Answer : ANSWER: Y -- PARABOLA

Description : Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Last Answer : ANSWER: X -- DECREASES

Description : A 10,000-watt motor operates an elevator weighing 5000 newtons. Assuming no frictional losses, how high is the elevator raised in 10 seconds. Is it raised: w) 2 meters x) 20 meters y) 50 meters z) 100 meters

Last Answer : ANSWER: X -- 20 METERS

Description : The force responsible for drops of liquid assuming a spherical shape is known as: w) strong nuclear force x) Van der Waals attraction y) surface tension z) osmotic pressure

Last Answer : ANSWER: Y -- SURFACE TENSION

Description : If you started with 100 grams of each of the materials below and they all vaporized inside of an inflatable balloon, which of them would produce the largest volume balloon, assuming they were all at the same temperature? w) water x) gasoline y) ethanol z) butane 

Last Answer : ANSWER: W -- WATER 

Description : If (x, y) is a solution of the following pair of linear equations in two variables, then the value of expression (√ is: x + 2y = 4 and 3x - y = 5 (a) 2 (b) 3 (c) 4 (d) √2

Last Answer : (a) 2

Description : For what value of m will the expression 3x^3 + mx^2 + 4x – 4m be divisible by x + 2 ? -Maths 9th

Last Answer : f(x) = 3x3 + mx2 + 4x – 4m f(x) is divisible by (x + 2) if f(–2) = 0 Now f(–2) = 3(–2)3 + m(–2)2 + 4(–2) – 4m = – 24 + 4m – ... ; 4m = – 32 ≠ 0 ∴ No such value of m exists for which (x + 2) is a factor of the given expression

Description : For what value of k, will the expression (3x^3 – kx^2 + 4x + 16) be divisible by (x – k/2) ? -Maths 9th

Last Answer : Given f(x) = 3x³ - kx² + 4x + 16. Since (x - k/2) is a factor of polynomial. This means x = k/2 is the zero of the given polynomial. ⇒ f(k/2) = 3(k/2)³ - k(k/2)² + 4(k/2) + 16 ⇒ 0 ... - 4k + 32) + 4(k² - 4k + 32) ⇒ 0 = (k + 4)(k² - 4k + 32) ⇒ k = -4.

Description : What is the least value of the expression 2 log10x – logx (1/100) for x > 1 ? -Maths 9th

Last Answer : answer:

Description : What is the Value of the expression 57.9 x 0.086?

Last Answer : 57.9 times 0.086 is 4.9794, or 4 and 4897/5000 in fractionform.

Description : Will the value of the expression 20- x increasedecreaseor stay the same as x increases?

Last Answer : Try it out.20 - 3 = 1720 - 4 = 16The value decreases as x increases.

Description : What value/s can x take in the expression k(x – 10) (x + 10) = 0 where k is any real number. (a) 100, -100 (b) Infinitely many (c) Depends on value of k (d) 10, -10

Last Answer : (d) 10, -10

Description : A Boolean operator Ө is defined as follows: 1Ө1=1, 1Ө0=0, 0Ө1=0 and 0Ө0=1 What will be the truth value of the expression (xӨy)Өz = xӨ(yӨz)? (A) Always false (B) Always true (C) Sometimes true (D) True when x, y, z are all true

Last Answer : (B) Always true

Description : Which of the following is an expression for the Stribeck equation? (Number of balls=z) (a) C=kd2z/5 (b) C=kd2z/10 (c) C=kd2z/15 (d) C=kd2z/20

Last Answer : (a) C=kd2z/5

Description : Which of the following is expression for stribeck equation?(Number of balls=z)? a) C=kd2z/5 b) C=kd2z/15 c) C=kd2z/10 d) None of the listed

Last Answer : a) C=kd2z/5

Description : A locomotive of weight 100 tonnes is attached to train of wagons weighing 1000 tonnes. The locomotive pulls the wagons with a constant velocity of 36 km/hour. When the coupling between the train and wagons breaks, the wagons roll on 95 m in ... would be a.0.36 m b.0.44 m c.0.77 m. d.0.5 m e.0.66 m

Last Answer : d. 0.5 m

Description : The probability of student A passing examination is 3/7 and of student B passing is 5/7 Assuming the two events “A passes”, -Maths 9th

Last Answer : p1 = P(A) = \(rac{3}{7}\), p2 = P(B) = \(rac{5}{7}\) ∴ q1 = P(\(\bar{A}\)) = 1 - P(A) = 1 - \(rac{3}{7}\) = \(rac{4}{7}\). q2 = P(\(\bar{B}\)) = 1 - P(B) = 1 - \(rac{5}{7}\) = \(rac{2}{7}\) ... passes) = p1 q2 + q1 p2 = \(rac{3}{7}\) x \(rac{2}{7}\) + \(rac{4}{7}\) x \(rac{5}{7}\) = \(rac{26}{49}.\)

Description : There are 5 red, 4 white and 3 blue marbles in a bag. They are drawn one by one and arranged in a row. Assuming that all the 12 marbles -Maths 9th

Last Answer : answer:

Description : What mass of NaCl would be decomposed by 98 g of `H_(2)SO_(4)` if 120 g of `NaHSO_(4)` and 27 .5 g of HCl are produced in a reaction. Assuming that la

Last Answer : What mass of NaCl would be decomposed by 98 g of `H_(2)SO_(4)` if 120 g of `NaHSO_(4)` and 27 .5 g of HCl ... .95 g B. 49 .5 g C. 0. 495 g D. 495 h

Description : Assuming a UHF frequency range of 405.0125 MHz to 405.0875 MHz at 25 kHz channeling plan, how many channels can you produce? A. 2.5 ch. B. 2 ch. C. 4 ch. D. 3 ch.

Last Answer : D. 3 ch.

Description : The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid). (A) √T (B) T (C) T 1.5 (D) T

Last Answer : (B) T

Description : The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc ) for the same system is. (A) 100 (B) 10 (C) 5 (D) 1

Last Answer : (B) 10

Description : What partof 192.168.10.51 is the Network ID, assuming a default subnet mask? A. 192 B. 192.168.10 C. 0.0.0.5 D. 51 E. None of the above

Last Answer : 192.168.10

Description : Air enters an adiabatic compressor at 300K. The exit temperature for a compression ratio of 3, assuming air to be an ideal gas (Y = Cp/Cv = 7/5) and the process to be reversible, is (A) 300 × (32/7) (B) 300 × (33/5) (C) 300 × (333/7) (D) 300 × (35/7)

Last Answer : A) 300 × (32/7)

Description : A well is sunk in an unconfined aquifer having a saturated depth of 100 m. Assuming the equilibrium flow conditions and a homogeneous aquifer and radius of influence to be same, the ratio of discharges at 20 m and 40 m draw downs, is (A) 2/3 (B) 5/4 (C) 4/5 (D) 8/7

Last Answer : Answer: Option D

Description : A 1:5 step-up transformer has 120V across the primary and 600 ohms resistance across the secondary. Assuming 100% efficiency, the primary current equals (A) 0.2 Amp. (B) 5 Amps. (C) 10 Amps. (D) 20 Amps.

Last Answer : I1= V1 /R1 = 120/600 = 0.2 (η = 100%, losses are zero ∴V1 = VR = I1R1)

Description : Two candles of same height are lighted at the same time. The first is consumed in 3 hours and second in 2 hours. Assuming that each candles burns at a constant rate, in how many hours after being lighted, the ratio between the ... 2:1? A) 2 hour B) 2.5 hour C) 4 hour D) 1.5 hour E) None of these

Last Answer : Answer: D Height of both candles are same i.e. h First one takes 3 hours to burn completely, so in one hour = h/3 Similarly second one will burn in one hour = h/2 Let after t time, ratio between their height is 2:1 so, ... given 2:1, h - t*(h/3) / h - t*(h/2) = 2/1 Solving we get t = 1.5

Description : What expression is equivalent to 15 plus 80?

Last Answer : 5(3 + 16)

Description : What is the algebraic expression for r divided by 15?

Last Answer : It is: r/15

Description : What is the algebraic expression for r divided by 15?

Last Answer : It is: r/15

Description : In how many ways can the string A ∩ B - A ∩ B - A be fully parenthesized to yield an infix expression? (A) 15 (B) 14 (C) 13 (D) 12

Last Answer : (B) 14

Description : If you were born in the year 4000(assuming humans isnt extinct at that point), what would be you're first google search?

Last Answer : what is Google

Description : Assuming, for the purpose of this question, the effectiveness of regressive hypnosis, do you think it could lead to suicide (explanation if you click)?

Last Answer : Hypnosis works on the principle that the one under hypnosis is in a suggestive agreeable state of mind, And during hypnosis, the subconscious mind is still alert to any danger so any suggestions that would be detrimental to the safety of the one who has been hypnotized would be ignored or refused.

Description : Assuming that it's the same blend, do hot coffee and iced coffee carry the same amount of caffeine?

Last Answer : I know you can get Mochas and Lattes iced and hot so I would think they do?

Description : If you stood on the dwarf planet Ceres, (Assuming you didn't die) How well would you be able to see each planet with the naked eye?

Last Answer : About as well as you can see any other planet from earth.

Description : Assuming they answer honestly, what is the single most telling question you can ask a person?

Last Answer : If they are from the US: How much do you tip?

Description : Trump signed an executive order today to "Buy American and hire American". Assuming that the order works, what effect will this have on the economy?

Last Answer : Well, many of us will go without a lot of stuff.

Description : Assuming the most optimistic scenario, how serious a problem is global warming going to be?

Last Answer : There is not but many will wrongly claim that there is. As far as how serious it will be is a complete unknown. Um . Bad, probably. I'm not even touching the cause here because it's pointless to ... . At least change will happen slowly enough to give us time to adapt. What else is there to say?