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How do you say “how are you?” in Spanish?

There are 3 main ways depending on formal register:”Que tal?””¿Cómo estás?””¿Cómo está?

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The maximum capacity of a glass box is 1900cm^3. A cylindrical cup of radius 4cm and height 10cm is filled to the top with water. The water is then poured into the rectangular container. How many full cups are needed to fill the box with water completely?

First, draw a diagram of the information given, making sure to label any capacities and dimensions. Now read the question again and find what it’s asking for, which is how many full cylindrical cups can f...

Answered by Waliyyah A. • Maths tutor

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Asha and Lucy sell pencils. Asha sold 7 boxes, and 22 singles. Lucy sold 5 boxes, and 2 singles. Given Asha sells twice as many pencils as Lucy, work out how many questions are in each box.

Asha: 7 boxes, 22 singlesLucy: 5 boxes, 2 singlesAsha, 2x as many as Lucy
A = 2(5b +2) = 10b + 4L= 5b + 210b+4=7b+223b=18b=6

Answered by Tara E. • Maths tutor

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A piece of wire is 240cm long. Peter cuts two 45 cm lengths off the wire. He then cuts the rest of the wire into as many 40cm length as possible. How many wires of 40cm can be cut?

Two 45cm lengths cut off 240cm long wire. 240 - (2*45) = 150cmHow many 40cm length wires can be cut out of the remainder 150cm wire?150/40= 3.75As we are looking for entire 40cm length wires, we disregard...

Answered by Federico B. • Maths tutor

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Why can light travel through space but sound cannot?

Light is a transverse wave whose oscillations are perpendicular to its direction of movement. It is on the electromagnetic spectrum, so it does not need particles to propagate through. It can propagate t...

Answered by Adeoluwa P. • Physics tutor

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