Category: Users’ questions

Is revenue the derivative of profit? The marginal revenue is the derivative of the revenue function. The marginal profit is the derivative of the profit function, which is based on the cost function and the revenue function. If C(x) is the cost of producing x items, then the marginal cost MC(x) is MC(x)=C′(x). What is […]

Can I use a transfer pump for oil? As the name suggests, oil transfer pumps carry oil and other viscous liquids. And can be used for draining oily bilges and moving diesel oil from tank to tank. What is an oil transfer pump? The transfer pump is used to pump oil from a tank to […]

How do I enable split keyboard? Once enabled, here’s how to launch the keyboard: Select an app where you will tap a message or note in. Next, press and hold the keyboard key on the lower right-hand corner of the on-screen keyboard. From the list of available keyboard options, select Split. How do you split […]

Is Airtel 499 WIFI plan good? The reasonably packaged Airtel broadband plan unlimited 499 provides excellent value to the customers, who are looking for dependable internet connectivity at a tight budget. For these customers, the Airtel 499 plan aptly named as the unlimited plan provides a lot of benefits at a great price point. Which […]

What is the difference between saprolite and regolith? Saprolite is a term for in place, weathered rock. Regolith encompasses all the heterogeneous components of loose material covering the solid rock of the earth or other planetary bodies. Which type of rock is laterite? Laterite is both a soil and a rock type rich in iron […]

Who sang Memory best? Elaine Paige Longtime lovers of the age-old classic may prefer the version by Elaine Paige, who originated the role of Grizabella in the West End production of CATS and released a version that was a Top 10 hit in the UK in July 1981. Who sang in the night? The Weeknd […]

How long does Kinokuniya shipping take? 1 to 3 working days We usually ship out within 1 to 3 working days. This item is currently out of stock at the fulfillment center. We will receive it from our U.S. suppliers and ship the items within 7 – 10 business days. We will do our best […]

What is the meaning behind deep end? If you are thrown in at the deep end , you are put in a completely new situation without any help or preparation . If you jump in at the deep end , you go into a completely new situation without any help or preparation. What song is […]

Do they celebrate Bonfire Night in Northern Ireland? In various parts of Ireland, Bonfire Nights are held on Saint John’s Eve (23 June), Bealtaine eve (30 April) and Halloween (31 October). Bonfire Night is also celebrated in Northern Ireland on 15 August in Catholic communities to mark the Feast of the Assumption. Why is Bonfire […]

How much money do we need to climb Mount Everest? The price range for a standard supported climb ranges from $28,000 to $85,000. A fully custom climb will run over $115,000 and those extreme risk-takers can skimp by for well under $20,000. Typically, this includes transportation from Kathmandu or Lhasa, food, base camp tents, Sherpa […]