Adeola

The hypotenuse od a right triangle is 12cm in lenht. Calculate the measures of the unknown angle in the triangle that will maximize its perimeter? I got the formula P= 12(1 + sin0 + cos0) and A= 12sin0cos0, but i don't know what to do next.

15 years ago

Is it possible to say that the main reason that Shakespeare wrote many of his plays is to entertain the people of the Elizabethian era.

15 years ago

Can someone please read the intro to my essay and tell me if it makese sense? The topic of the essay is to see whether nonfiction novels can equal or surpass fiction novels. THE BATTLE OF BOOKS: FICTION VS. NONFICTION What makes a book good to read? Is it...

15 years ago

Thank you Ms. Sue for pointing out that huge mistake i made. Other than that is the intro well written? I changed it up abit What makes a book good to read? Is it the fact that information is gotten out of it or just the mere enjoyment of being able to us...

15 years ago

What is the cartesian equation of the xz plane

15 years ago

Predict whether the Ph endpoint is =7 >7, or<7 for each of the following acid-base titrations. Justify you predictions a) hydroiodic acid with sodium hydroxide. b)boric acid with sodium hydroxide c) hydrochloric acid with magnesium hydroxide d) hydrochlor...

15 years ago

Balance the ewuation using thr oxidation number method Here is what i did Au+ + H20---> Au2O3 + Au + H+ Au+ losses 3e- to form Au2O3-->oxidation Au+ gets reduced to for Au therefore the balanced chemical equation is 3Au+ + 3H20---> Au2O3 +Au +6H+ Does it...

15 years ago

One mole methane is completly burned in xcess oxygen. If 8.90x10^3kj of heat are given off from theis reaction, calculate the heat given off for 1.44g of methane.

15 years ago

Predict whether the following solutions are acidic basic or neutral. Provide explanations to support your predictions a) ammonium phosphate b) Ammonium sulfate c) Magnesium oxide

15 years ago

When 25ml of 0.10 mol/l HBr is titrated with 0.10 mol/l NaOH, what is the pH at the equivalence point?

15 years ago

A cylindrical metal can is made to hold 500ml of soup. Determine the dimensions of the can that will minimize the amount of metal required(assume that the top and sides of the can are made from metal of the same thickness

15 years ago

A travel agency currently has 80plp signed up a tour. The price of a ticket is $5000 per person. The agency has chatered a plane seating 150 plp at a cost of $250000. Additional costs to the agency are incidental fees of $300 per person. For each $30 that...

15 years ago

A tool shed, 250cm high and 100cm deep, is built agaisnt a wall. Calculate the shortest ladder that can reach from the ground, over the shed, tot he wall behind.

15 years ago

How can i factor 27a^2 - 75b^2

15 years ago

(root2 + root3)^2 simplify

15 years ago

Solve the following equation 1) root(2x+4)= root(6x+1) -1

15 years ago

Calculate the volume of NaOH 0.1M that needs to be calculated to be added to a 30ml o-phosphoric acid 0.1 in order to prepare solutions of pH 7.5 and pH 6.9? pKa3= 2.15; pKa2=7.2; pKa1 = 12.1

10 years ago

The polarogram for 20ml solution that was 3.65 x 10^-3 M in cadmium (Cd2+) gave a wave for that ion with a diffusion current of 31.3microampere. Calculate the percentage change in concentration of the solution is the current in the limiting current region...

10 years ago

A hydrogen has an empirical formula CH and a vapour density of 39.Determine its molecular formula,show workings.

7 years ago

If the cost of 5mangoes is 40kobo and that of 4oranges is 24kobo, find the cost of 3mangoes and 5oranges.

5 years ago

426cm solve this with length

5 years ago

A boy walks on a bearing 060 dergee from w point X to a point Y 120 m away.He then walks form Y on a bearing 150 dergee to a point Z,directly east of X Find the distance between X and Z

3 years ago

100g of Pb(NO3)2 dissolve 0.297moles. 1000g of Pb(NO3)2 will dissolve 0.297*1000/100=2.97 mol/dm3

9 years ago

I don't know the answer

5 years ago

Solve

5 years ago

I don't get this and my homework is due in 5 minutes if I don't get it done I'll get in trouble. Also, it my birthday who wants to get in trouble on their birthday!?

4 years ago

Yes

4 years ago

An object of weight 150N moves with a speed of4.5m/s. In a circular path of radius 3m.Calculation the centripetal acceleration and the magnitude of the centripetal forces. (take g =10m/s2

3 years ago

A spiral spring is compressed by 0.04m .calculate the energy stored in the spring ,if the force constant is 800n/m

3 years ago