Answer:
The total cost of boring the 750 meters is $37,700.
Step-by-step explanation:
We know that the cost of the first meter is $250.
You want to keep on adding $50 each time you add a meter for example the cost of the second meter would be $300 because you add $250+50. Another way is that you can multiply so for the third meter it would be $350 as you $250+50(2).
In that way you can see a pattern forming and we want to subtract 1 variable when multiplying as you are already originally adding $50.
So now we want to form an equation to solve for the cost of 750 meters. The equation I would make is
250+50(750-1)
then you can solve to get 37700 that is shown below
250+50(750-1)
250+50(749)
250+37450
37700
That will be our answer!
The total cost of boring the 750 meters is $37,700.
Answer: 9.7 seconds
Step-by-step explanation:
1. Assessment: 65
Actually: 73
2. Formula: Assessment / Actually
= 65 / 73
⇒ 0.9 ( round to the nearest tenth )
3. Is that right ?
If it is wrong, I feel pretty sorry and please tell me.
4,<span><span><span>(<span>1,0,0</span>)</span>+<span>7<span>(100)</span></span></span>+<span>2<span>(1<span>) </span></span></span></span>
190 = x + 2(x+20)
190 = x + 2x + 40
190 = 3x + 40
190 - 40 = 150
150/3 = 50
x = 50
190 = 50 + 2(50 + 20)
one side of the width (the "short side", as it says) is the barn, so you don't count that because its only asking for the fencing. the length (which would be the long side, which implies that theres only one short side, if that confused you at all) is 20m longer. we figured out that 50m is the width so if both sides are 20m longer, the dimensions of the fencing would be:
50m + 70m + 70m