gingerale4
gingerale4 gingerale4
  • 22-12-2020
  • Mathematics
contestada

Find the sum of all the multiples of 3 in between 100 and 1000.

Please show work/explain.
Due 1:00pm Tomorrow

Respuesta :

ChoiSungHyun
ChoiSungHyun ChoiSungHyun
  • 22-12-2020

Step-by-step explanation:

We have to find the sum of 102 + 105 + 108 + ... + 996 + 999.

Notice that 102 = 3 * 34 and 999 = 3 * 333. Hence there are 333 - 34 + 1 = 300 terms.

Hence the sum is 300(102 + 999)/2 = 1101 * 150 = 165,150.

Answer Link

Otras preguntas

Find the slope of the line passing through the points (4, -2) and (5, 7).
Does crime pay? The FBI Standard Survey of Crimes showed that for about 80% of all property crimes (burglary, larceny, car theft, etc.), the criminals are never
I cannot figure out how to even start this hmw, could someone please help me out i would greatly appreciate it!
Carlos is draining an aquarium. The graph shows the amount of water ( in liters) in the aquarium versus time ( in minutes
Define a surface based temperature inversion
Choose an item from the primary sources listed in the chart above and research a specific instance in which historians discovered this type of source (for examp
The following figure is made of 1 triangle and 1 rectangle. A 9 B 5 6 Find the area of each part of the figure and the whole figure.
EXPLAIN WHERE THE SEQUENCE OF AMINO ACIDS IN A PROTEIN COMES FROM AND WHY IT'S IMPORTANT
The elephant has a trunk into passive voice ​
Talia had $24 in her saving account at Wellsfargo. She spent ½ of her money at Zaxby's. She gave 3 of what she had left to her sister Jameasha. How much money d