41 Answered Questions for the topic Arithmetic Problems

how to do problem like the following super fast? 99+98+97+96...+2+1/99!

Steps to solve the question please.   99+98+97...+2+1/99 factorial

It takes 12 days for 6 people t o make 288 chairs, how many days does it take for 4 people to make 108 chairs

Time and work related problem dealing with 3 factors. Steps to Solve?

There are 30 boys and 18 girls in a group. One half of the boys and 1/3 of the girls are wearing sweaters. How many children are NOT wearing sweaters?

yet another one that stumps me! I would appreciate the help on this on 

If you can buy 4 dozen lollipops for 7.60 how much will 9 dozen lollipops cost ?

I am stumped by this one! Please help

Arithmetic problem please help

In the last step of a computation, Evelyn added 290 instead of subtracting 290. What one number can she subtract from her final result of 3,710 so that the correct result of the computation is... more

could really use some help I'm staring to get a little freaked out.

The flux ratio of two stars is 24. What is their magnitude difference? Use the formula below, and express your answer to 1 decimal place

I'm really struggling in my astronomy course and could use some help with this question

Star A has magnitude 3.5, and star B has magnitude 1.2. What is the ratio of the flux of star A to the flux of star B? Express your answer to 2 decimal places (rounding appropriately).

How to find a formula for the nth term?

Common difference : 5First term: 5Common difference: -3First term: 15Common difference: 6First term: -5

x=(√5−√7)^2, best approximation of x? Arithmetic

If x=(√5−√7)^2, what is the best approximation of x? WHY is the answer is 0?? I got 4 by doing this:   x= (√5−√7)*(√5−√7); my answer after foiling was: x= 5-2-√35 + 7 = x= 10-√35...... so how... more

Find first 3 terms of the sequence for which Sₙ=n²(n+1)²/4?

How do I find u1, u2 and u3

The first three terms of an arithmetic sequence are 7, 9.5 , 12...

a) What is the 41st term of the sequence? b) What is the sum of the first 101 terms of the sequence? 

In an Arithmetic sequence , a12= -7 and a25 = 6. what number corresponds to the 4th term?

can someone help me in this problem?

A supermarket gives a 10% discount on the marked prices of all item during a sale. Find the amount of discount given if the marked price is $45

 Find the amount of discount given if the marked price is $45  

after a 6% increase, Don's salary was $12,084. what was his salary before the increase?

after a 6% increase, Don's salary was $12,084. what was his salary before the increase?

the population of Midville has increased by 3% per year for the last two years

the population of Midville has increased by 3% per year for the last two years. if the population 2 years ago was 15,500, what is the current population?

which is closet to the square root of 3 times the square root of 8?

which is closest to the square root of 3 times the square root of 8?

what is the minimum amount of fabric Toni must buy to make 2

what is the minimum amount of fabric Toni must buy to make 2 pairs of shorts if she needs 1 3/8 for each pair?

A model builder wants to design a scale model of a 51

A model builder wants to design a scale model of a 51 foot air plane so that the length of the model will 8 1/2 inches. the length of the model will be what fraction of the length of the actual... more

the original price for a shirt at Target was $24 and later that week it was discounted to $8. what was the percent

the original price for a shirt at Target was $24 and later that week it was discounted to $8. what was the percent in the discount and what was the new selling price?

write as a percent. At the start of the semester, 21 students enrolled in Math 95. Since the last test, two more students dropped the class

write as a percent. At the start of the semester, 21 students enrolled in Math 95. Since the last test, two more students dropped the class and now 12 students remain. Find the percent of students... more

in September, your grocery bill was $82.50 and the next month it was $ 97.20 for the same exact items

in September, your grocery bill was $82.50 and the next month it was $ 97.20 for the same exact items. find the percent increase for your grocery bill?

The Dallas map has a scale in which 3/4 inch equals 60 miles. How many miles are there between location

The Dallas map has a scale in which 3/4 inch equals 60 miles. How many miles are there between locations if on the map their distance is 2 inches?
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