That is an arithmetic sequence of the form:
a(n)=2n-1
Now the sum of an arithmetic sequence is just the average of the first and last terms times the number of terms...
We know the first term is 1, let's find the last term...
a(1000)=2(1000)-1=1999
So the sum of that sequence is:
1000(1999+1)/2
1,000,000
Answer:
8,402
Step-by-step explanation:
8,000 + 400 + 2 = 8,402
Hope this helps :)
Hello,
Answer A
Let's the width of the rectangle
2a-5 its length
Teh half perimeter is 80/2=40
a+2a-5=40 ==>3a=45==>a=15 and 2a-5=30-5=25
The Answer is: 5 (5c+3)
Step-by-step explanation:
Answer:
126 cups of fertilizer
Step-by-step explanation:
<u><em>The complete question is</em></u>
Debra's rectangular garden measures 9 1/3 by 12 yards .a bottle of fertilizer cost $14.79 .if Debra needs to mix 1/8 cup of fertilizer with water for each square foot of her garden how many cups of fertilizer does she need?
step 1
Find the area of the rectangular garden
The area of rectangle is equal to

we have


substitute

step 2
Convert square yards to square feet
Remember that


so

step 3
Find how many cups of fertilizer does she need
using proportion
