Help??? Please? I need to pass.
1 answer:
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Answer:
<h2>Kayla needs 8 boxes of grass seed to cover the whole garden without including the pond.</h2>Step-by-step explanation:
You can observe a representation of this problem in the image attached.
Notice that the grass seed is gonna be put only in the green zone, out of the pond. So, we need to find each area and subtract them.
The difference is
Now, according to the problem, one box of grass seed covers 15 meters of the garden, let's divide this number with the seed area.
Therefore, Kayla needs 8 boxes of grass seed to cover the whole garden without including the pond.
Answer:
(a) 498501
(b) 251001
Step-by-step explanation:
According Gauss's approach, the sum of a series is
.... (1)
where, n is number of terms.
(a)
The given series is
1+2+3+4+...+998
here,
Substitute ,
and
in equation (1).
Therefore the sum of series is 498501.
(b)
The given series is
1+3+5+7+...+ 1001
The given series is the sum of dd natural numbers.
In 1001 natural numbers 500 are even numbers and 501 are odd number because alternative numbers are even.
Substitute ,
and
in equation (1).
Therefore the sum of series is 251001.