# Posts by Dara

Total # Posts: 34

**math**

a 40cm diameter birthday cake can feed 4 people.How many people will a 80 cm diameter cake feed?

**math**

Greg bats in seven cricket matches. In the eighth match, he makes 9 runs and his average decreased by one. Let x be the average of seven matches, make an equation and find the value of x and how many runs has he made in all?

**math**

Dani is about to travel on a bus, and she knows she must tender the exact fare. She is not sure what this is, but she knows it is greater than $1 and less than $3. What is the minimum number of coins she must carry to be sure of carrying the correct fare? (Assume that the ...

**Math**

Tickets to a local movie were sold at $7.00 for adults and $5.50 for students.there were 220 tickets sold for a total of $1,390.00.

**math**

A wrench 0.4 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of ?0,1,5? at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 newton-meters of torque to the bolt.

**Math**

Tom has three pieces of rope with lengths of 140 cm, 168 cm and 210 cm. He wishes to cut the three pieces of rope into smaller pieces of equal length with no remainders. a) what is the greatest possible length of each of the smaller pieces of rope? b) how many of the smaller ...

**math**

if it takes 12 cooks 2 hours to bake 3 cakes, how many hours would it take for 8 cooks to cook 6 cakes?

**math**

Naron is learning for pre-second semester examination. He divides 8 hours per day for learning science, mathematics and literature with the ratio of 2 : 3 : 1. Find the number of hours he studies each major.

**algebra**

you drain a 200 liter aquarium at consant rate of 20 liters per mintue what is independent quantity and dependent ? draw a graph showing the independent quantity on the axis and dependent quantity on the y -axis .

**algebra**

if there are 96 calories in a 3/4 cup serving. How many calories are in 5 cups? How do you do the math?

**Pre-Calculus**

Nevermind, I got it. It's [-6, infinity)

**Pre-Calculus**

square root x + 6

**Pre-Calculus**

How to find domain of: y = -3 + ãx+6

**ie math**

A right triangle has hypotenuse 8 and area 8. Find the perimeter? I think I have to apply Heron's formula to this question, but I don't know how to solve. Please help. Your help is very much appreciated!

**English**

Which sentence is subject verb agreement? Vitamins that are sold in a health-food store are not regulated by the Food and Drug Administration. Vitamins that are sold in a health-food store is not regulated by the Food and Drug Administration

**English**

Which sentence is subject verb-agreement? Peer editing academic papers require critical-thinking skills and diplomacy. Peer editing academic papers requires critical-thinking skills and diplomacy. Subject-verb agreement

**English**

Which sentence is subject verb agreement? Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? Did you know a famous animal-rights activist have criticized horseracing because of the dangers involved?

**geometry**

DC = 10 What is the measure of angle ABD?

**Trig**

Find the polar coordinates of (8, –8) for r ≥ 0. I am getting 8 square root of 2 as the first coordinate. I am not sure if I am finding the arctan correctly.

**Math**

I followed this example A tire has a diameter of 20 inches and is revolving at a rate of 10rpm, at t=0, a certain point is at height 0. What is the height of the point above the ground after 20 seconds? 10rpm means one cycle in 6 seconds. So after 20 seconds it has completed 3...

**Math**

that 1 2/3 cycles not 12

**Math**

I tried it a different way I converted 45 rpm into seconds then to cycles. I got 12/3 cycles. Do you know how to find th phase shift?

**Math**

It really doesn't matter if the answer was posted or not. It was how it was done. I did not want the answer I just wanted to know what formula I could use so I could do it myself.

**Math**

I know 45rpm translates to 3pi/2 radians. I am not sure what formula to use to figure out height.

**Math**

Thank you for trying to help me but that answer does not fit any of the answer choices.

**Math**

But it leads me back to this same page?

**Math**

I am not sure what that means?

**Math**

A car tire has a diameter of 3 feet and is revolving at a rate of 45 rpm. At t = 0, a certain point is at height 0. What is the height of the point above the ground after 45 seconds? Can you lead me into the right direction?

**Math**

If you're given a 90 degree angle split down the middle, and one of the angles is 30 degrees, what would the other angle be? sorry im not too good at math

**5th grade social studies**

What happens when the government raises taxes? what would happen if consumers did not pay taxes on goods and services?

**English**

What is an Adverb? and How is it used in a sentance?

**social studies**

what problems arose because of the increase in industry during the early 1900s

**Calc 3**

A wrench 0.4 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is applied in the direction of ?0,1,5? at the end of the wrench. Find the magnitude of the force in newtons needed to supply 100 newton-meters of torque to the bolt.

**Sociology**

what other ways do sociologists use to calculate prejudice? If you tell us the ways you've already listed about how sociologists calculate prejudice, we may be able to help you find OTHER ways. yuyu Harvard's IAT exams, test your prejudice by presenting images of light...