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It takes 9 minutes to paint 1 m^2 of wood. How long would it take to paint a wooden cube with sides of 2m?

The best way to think about this question is to imagine the plan of the cube. Looking at this you would see that there are 6 identical squares. Therefore you should realise that to work this question out you...
DD
Answered by Deepali D. • Maths tutor
2816 Views

Simplify the fraction 54x^(6)y^(13)/6x^(3)y^(9).

We can treat the numbers (coefficients) 54/6 as one separate fraction to be multiplied by what we get when we've simplified the x's and y's. So first we do 54/6 to get 9, which we'll multiply the rest of the...
LK
Answered by Leo K. • Maths tutor
3647 Views

If an object of mass 6kg was dropped from a height 35m (initially at rest), how long would it take to reach the ground under free fall?

Free fall == only gravity actingUse one of the SUVAT equations: s = ut + 0.5at 2 s=35m, u=0 (starts at rest), a=g=9.81ms -2 (gravitational constant), t=?Through rearranging: t=(2s/a) 0.5 = 2.67 seconds
CA
Answered by Charlotte A. • Physics tutor
2508 Views

How do we form the preterite tense?

With regular verbs, remove the -ar, -ir or -er ending, and replace it with the following endings: For -ar verbs (using comprar 'to buy' as an example)é - compréaste - comprasteó - compróamos - compramos (the...
TK
Answered by Tom K. • Spanish tutor
2348 Views

When should I use the present subjunctive in Spanish?

Whether you use a verb in the subjunctive depends on what the previous verb does to the meaning of the sentence.Verbs in the indicative are used if the sentence describes reality. Verbs in the subjunctive ar...
TK
Answered by Tom K. • Spanish tutor
2293 Views