Melody

jyotig:

Thank you so much for your help. I'm in 5th grade. 10 Years Old. My mom found this website. You have been a great help. Give me few tips how can do well in math.
Thanks again

noor:

what is the angle whose sin is 6/7
can you explain how do we use a calculator for that ?

Village_Chief:

The test scores were normally distributed with a mean of 43 and a standard deviation of 3.

(a) Approximately what percentage of the scores lies between 40 and 46?

(b) Approximately what percentage of the scores lies between 43 and 46?

wlc17math:

Hi, I was wondering how to solve 7sin(x)=0, 0<x<2pi for the exact radian values over the given intervals

hasantahir10:

Jenna has 28 marbles. She wants to give them as gifts to each of her 4 chihuahuas.
How many marbles does each chihuahua get?

Guest:

A girl has some beads. She use 1/3 of the beads to make a bracelet. She uses 3/5 of the beads to make a necklace. She used 36 more beads for the necklace. How many beads did she use for the bracelet?

Please give me a method, not the answer!

And no algebra!

jyotig:

There is a total of 5,170 in an account. Mrs. Jefferson deposits $420 in her account and Mr. Jefferson deposits $621 in his account. Now they have the same amount of money. How much money did they each have at first?


Please just give me a method to solve this. Don't give the answer.
And no algebra!

maths teacher:

a semicircle has a diameter of 20cm work out the perimeter of the semicircle take the value of pi to be 3.14

Stinkmeaner:

9 ln e² + 4^{log₄6 - log₄2} - 7^{log₇21 + log ₇1}