# Sree

Newest questions and responses by Sree
1. ## Maths

A photocopier enlarges by a ratio of 7:4. A picture measures 6 cm by 4 cm. How many consecutive enlargements can be made so that the largest possible picture will fit on a sheet measuring 30 cm by 20 cm?

2. ## math

Last year, a property managerbought five identical snow shovels and six identical bags of salt. The total ost of the snow shovels was \$172.50, before tax, and each bag of salt cost \$6.20,before tax. This year, the property manager bought two identical snow

3. ## math

The tires mary wants to buy for her car cost \$200 per tire. A store is offering the following deal: Buy 3 tires et the 4th tire for 75% off ! Mary will buy 4 tires using the deal . The sales tax is 8%. how much will mary save using the deal versus paying

4. ## math

There are4 boys and 6 girls in th drama club.The roboticsclub has an equivalent fraction of boys as members.If there are 30 members in robotics club , what fractiin are boys? Explain using multiplication.Draw a model to help you.

5. ## PHYSICS

A Hammer weighing 3kg strikes the head of a nail with a speed of 2m/s and drives it by 1cm into the wall. find the impulse?

6. ## Optics

A converging beam of light passes through a diverging lens of focal length 20cm and comes to focus at a distance 30cm behind the lens.Find the position at which beam would converge in the absence of lens?

7. ## science

Q: You find a clear substance that has a definite shape. What form of matter is the substance? A: Solid (Is this right)

8. ## math

Q1.The zoo uses 10 pounds of apples each day. How many pounds of apples should be on the weekly grocery list? Answer: 10X7=70 pounds of apples for a week Q2.After 6 days, how many pounds of apples does the zoo use? Answer: 10X6=60 pounds is this right?

9. ## physics

A driver take 0.20 second to apply the breaks (reaction time). If he is driving car at a speed of 54 kmh–1 and the breaks cause a deceleration of 6.0 ms–2. Find the distance travelled by car after he sees the need to put the breaks.

10. ## math

prove cot x -tan x = 2 cot 2x

11. ## chemistry

oxidation of 1,methyl-propanone with the presence of KMnO4 & conc H2SO4 under heat.

12. ## math

A sample of size 100 is chosen from a normally distributed mean,(µ) and standard deviation 60. A researcher has made the statement as follow to conclude that value of µ: " reject H0:µ= 80 and accept H1: µ < 80. if x̅ < 68 " a) if the significant level

14. ## on areas

the surface area of the three faces having the same border of a cuboid are 4,10,40 sq.cm respectively. find the volume of the cuboid?

15. ## health

assess an infant,Discuss at least two social factors that are impacting the health of your client. Be certain to specifically state how those factors positively or negatively affect your client’s health. Discuss at least two cultural factors that are

1. ## Maths

posted on August 3, 2018
2. ## English

Do u by any chance still consider me

posted on June 18, 2018
3. ## chemistry

idk

posted on February 6, 2018
4. ## math

what is the score.. can u pls explain...

posted on October 20, 2013
5. ## Chemistry

VAPOUER DENSITY OF MIXTURE OF N2O4&NO2 is 38.3 at 25degree caliculate number of NO2 MOLICULES IN100 MOLES MIXTURE

posted on September 3, 2011