# Posts by MTH

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 ?

maths
in the question doesn't write. so , we find the LCM or HCF ?

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...

maths
Thank you christina ... god blees you ... good night ...

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?

Math
yes,right ...if you want to find y . you must know what is the equation of y.

mats
hOW To find area of one side,Martin?can you give me the answer and reason

mats
The volume of a cube is 512 cm cubic.Find its surface area ?

science

science
name two factors that affect gravitional force exerted on an object?

maths
1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?

maths

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 ?

Science
isotopes are any of the different forms of an element each having different atomic mass(mass number)

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?

math
Express 5832 as a product of prime factors and hence,find the cube root of 5832 ?

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 ?

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