Tuesday

October 6, 2015
Total # Posts: 17

**angle**

1.) From the top of a lighthouse 52 metres high,the angles of depression of two ships due north of it are 42 and 37. How far apart are the ships ?
*May 5, 2008*

**maths**

in the question doesn't write. so , we find the LCM or HCF ?
*April 16, 2008*

**maths**

1 ) Lamp posts,dust bins and benches are paced at intervals of 70 m ,56 m ,and 84 m respectively along a strech of road 8km long.At start of the road,lamp post,dust bin and bench are placed together.Only when the three objects are all placed together,they are painted blue. How...
*April 16, 2008*

**maths**

Thank you christina ... god blees you ... good night ...
*March 30, 2008*

**maths**

Jerry monthly salary consist of $850 pluss commission of 15 % on the total sales made.If his total sales for the month of March is $ 25 000 ,what is his income for the month of March?
*March 30, 2008*

**Math**

yes,right ...if you want to find y . you must know what is the equation of y.
*March 29, 2008*

**mats**

hOW To find area of one side,Martin?can you give me the answer and reason
*March 28, 2008*

**mats**

The volume of a cube is 512 cm cubic.Find its surface area ?
*March 28, 2008*

**science**

Thank you for your answer Dr.Russ ...
*March 26, 2008*

**science**

name two factors that affect gravitional force exerted on an object?
*March 26, 2008*

**maths**

1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?
*March 23, 2008*

**maths**

Thanks For your help ,Jimmy.
*March 21, 2008*

**maths**

A salesman paid 6.5% commission for ech sales over $4000 but 4% otherwise.If he makes three sales $5500,$6300 and$3400,how much commission does he expect to receive ?
*March 21, 2008*

**Science**

isotopes are any of the different forms of an element each having different atomic mass(mass number)
*March 21, 2008*

**algebra**

mrs.Goh bought 4 bags of rice at $5.28 per bag ,5 packets of biscuits at $1.25 per packet and 2.8 kg of meat at $7.40 kg per kg.Assuming that GST was absorbed by the retailer,calculate the total amount she spent ? What would be change if she paid for all these with a $5o-note?
*February 9, 2008*

**math**

Express 5832 as a product of prime factors and hence,find the cube root of 5832 ?
*February 9, 2008*

**algebra**

Mrs Lee was given $1200 every month for the household expenses.She used 17/24 of it to buy food for the family, 5/7 of the remainder for clothes and other expenses.She put the remaining money into the bank as savings for the family.Find the amount she put into the bank ?
*February 7, 2008*

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