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A rectangle has the dimensions x and x+5.
It's area is 84cm^2. solve for x show working.
I know that x is 7 but. I don't know how to show it tips please`?

An object moving in a straight line and has initial displacement of 8.00m.find displacement after 8.00sec 12sec and what's the average speed and average veloity of this motion

Thank you very much for your help guys :D

Hi! =)
I have tried to solve this question for a long time now, but I'm still not able to solve it =S
Can you guys pllease help me? =)
THANKS =)

Mary and Jane were standing one behind the...

Thank you =)

8.

A circular magnet has an inner radius x cm, an outer radius 2 cm larger and its depth is the same as the inner radius (as shown).
If the total volume of the magnet is 120 pi cm^3, find x

A rectangle swimming pool is 12 m long by 6 m wide. It is surrounded by a pavement of uniform width, the area of the pavement being 7/8 of the area of the pool.

a) If the pavement is x m wide,...

6.

A square sheet of cardboard has sides 20 cm long. Its is to be made into an open box with a base having an area of 100 cm^2, by cuting out equal squares from the four corners and then bending...

4.

The sum of a number and its reciprocal is 2*2/12 . Find the number.

5.

The sum of a number and twice its reciprocal is 3*2/3. Find the number

3.

AB is 2cm longer than BE. DC is 3 cm less than twice BE.

a) Explain why triangles ABE and ACD are similar.

b) If BE = x cm, show that x^2 - 4x - 6 = 0.

c) Hence, show that BE = 2 +...

2.


A, B, C and D are posts on the banks of a 20m. Wide canal. A and B are 1 m apart.

If OA is the same length as CD, find how far C and D are apart.

1.

ABCD is a rectangle in which AB = 21 cm.
The square AXYD is removed and the remaining rectangle has area 80 cm^2.
Find the length BC.

The laptop might already have a inbuilt wireless connection but if it hasn't then you need to buy a wireless stick.

Have you searched for viruses? And if that doesn't help you can first plug into the net by the cable and then try to go wireless again.
Hope this helps.

Log on to your router you can do this by typing in your ip which is probably 192.168.1.1 or 192.168.1.2. Then a box will appear there you just type in admin and there is probably no password. From...