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Post New Question
All Questions
+0
229750 Questions
0
584
1
Develop the formula for the sum of the first n counting numbers.
Develop the formula for the sum of the first n counting numbers.
S= 1 + 2 + 3 + ... + (n-2) + (n-1) + n
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Guest
Feb 19, 2020
0
491
1
help me
im not sure
Hypotenuisance
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Guest
Feb 19, 2020
0
1
805
1
+448
Difference quotient word problem
The height, in metres, of a toy rocket launched at an initial upward velocity of 30 m/s, from a
height of 1 m, is approximately given by
h=-4.9t^2+30t+1
where t is measured in seconds.
a) Determine the difference quotient for this <#> function
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bioplant
Feb 19, 2020
0
541
2
Cphill help or somebody else
The original price of a desk was $210.00. A store discounted the price of this desk by 35%. What is the exact price of the desk, not including tax, with this discount?😁
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Guest
Feb 19, 2020
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492
1
Justin bought a sweatshirt for $45.00. The sales tax is 5%. How much will he pay for the sweatshirt?
Justin bought a sweatshirt for $45.00. The sales tax is 5%. How much will he pay for the sweatshirt?
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Guest
Feb 19, 2020
0
682
1
please help
A coffee shop sells lattes for $4 and cappuccinos for $3. Last friday, sales totalled $252. If the number of lattes sold was 6 more than 4 times the number of cappuccinos, how many lattes were sold?
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Guest
Feb 19, 2020
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541
2
help
If 45 apples cost $15, how many apples can be purchased for $9
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Guest
Feb 19, 2020
0
546
3
(1)- Find the sum of 1+3+7... _ 57 (nth odd is (2n-1)
(1)- Find the sum of 1+3+7... _ 57 (nth odd is (2n-1)
(2)- Find the sum of the first 28 counting numbers.
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Guest
Feb 19, 2020
Feb 18, 2020
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516
1
find the 9th term in the sequence of 18,25,32,39?
find the 9th term in the sequence of 18,25,32,39?
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Guest
Feb 18, 2020
0
1538
3
what sequence is 5,7,12,20,31? is it Arithmetic, Geometric, or Neither
what sequence is 5,7,12,20,31? is it Arithmetic, Geometric, or Neither
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Guest
Feb 18, 2020
0
482
1
HELP
help im confused
Hypotenuisance
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Guest
Feb 18, 2020
0
553
1
math help 1 question
https://prnt.sc/r4b5cg
thank you
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Guest
Feb 18, 2020
0
561
1
help
There is a coin that is so constructed such that it has a 60% chance of landing on heads after a toss. A random experiment is designed to keep tossing this coin until two successive tails are obtained. What is the probability that this experiment is completed
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Guest
Feb 18, 2020
0
549
1
HELP HELP HELP
1/2INCH=50 MILES
Sam measured 3 inches between two towns on the map. what is the distance in miles between the two towns
read more ..
AnimalMaster
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Guest
Feb 18, 2020
0
678
1
help
Premium gasoline sells for 78.94/L. Regular gas sells for 71.94/L. To boost sales, a middle octane gasoline is formed by mixing premium and regular. If 1000 L of this middle octane gas is produced, and is sold at 73.94/L, then how much of each type of gasoline
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Guest
Feb 18, 2020
0
737
1
need help on this
Band students at Newton high school so candy every year as a fundraiser last year they showed 58 boxes of truffles and 55 boxes of peanut brittle freezing a total of $510 this year they sold 99 boxes of truffles in 55 boxes of peanut brittle from which
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Guest
Feb 18, 2020
0
1088
1
HELP PLEASE
Elsie made a snack mix using the following recipe. 1 1/2 cups of pretzels, 3/4 cup peanuts, 3/4 cup chocolate chips,1/4 cup bread crisps. If she used 6 cups of pretzels and wanted to keep the ingredients proportional, how many cups
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Guest
Feb 18, 2020
0
1093
7
+422
Please help, thanks
If I put $500 into an account and left it alone for three years earning simple interest, and at the end of three years I withdrew $650, what interest rate was I earning? Can you explain how you got your answer so i can understand what to do.
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APatel
Feb 18, 2020
0
1814
2
Help?
A candy bar box is in the shape of a triangular prism. The volume of the box is 1,200 cubic centimeters. A triangular prism is shown with base of triangle labeled 10 cm, sides of the triangles labeled 13 cm, and length of the box equal to 20 cm. Part A:
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Guest
Feb 18, 2020
0
649
2
help asap, thanks
Let be a cubic polynomial such that and . When is divided by the remainder is . What is the quotient when is divided by ?
geno3141
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Guest
Feb 18, 2020
0
817
1
need help
Can someone help with this problem? I'm totally stuck.
The police department is keeping track of distracted drivers and accidents. They have found that if a driver is distracted, the driver has a 30% chance of being in an accident.
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Guest
Feb 18, 2020
0
477
2
help
help!simplify
-3(a-7)+4a
PLEASE!!!!! ANYONE!!! isit 1a-21?? or+
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Guest
Feb 18, 2020
0
856
1
help
A test for tuberculosis was given to 1000 subjects, 8% of whom were known to have tuberculosis. For the subjects who had tuberculosis, the test indicated tuberculosis in 90% of the subjects, was inconclusive for 7%, and negative for 3%. For the subjects
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Guest
Feb 18, 2020
0
378
1
Trailing zeros
What number factorial, i.e. "n!" has 222,222 trailing zeros? Thank you for help.
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Guest
Feb 18, 2020
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