Answer:
a) 7 numbers in term of n = n+1, n+2, n+3, n+4, n+5, n+6 and n+7
b) n+1+n+2+n+3+n+4+n+5+n+6+ n+7
= 7n+28
Step-by-step explanation:
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Answer:
C
Step-by-step explanation:
You can rearrange the equation to make it: 4y=3x-2
The slope right now is 3,but that's not the answer
So you divide the whole equation by 4 (it will give you: y=3/4 x- 0.5
So from that you can see that the slope is 3/4, C
Answer:
y=x-3
Step-by-step explanation:
(0,-3) & (4,1)
y2-y1/x2-x1
1+3/4-0
4-4
1
Answer:
Step-by-step explanation:
I believe the only way to solve this is by Heron's Formula.
Add up all the sides and divide by 2 to get the semi-perimeter:
113+100+86 = 299
299/2 = 149.5
Now fill in the rest, which looks like this:
![\sqrt{s(s-a)(s-b)(s-c)}](https://tex.z-dn.net/?f=%5Csqrt%7Bs%28s-a%29%28s-b%29%28s-c%29%7D)
where s is your semiperimeter value, a is the length of one side, b the length of another side, and c the length of the third side:
![\sqrt{149.5(149.5-113)(149.5-100)(149.5-86)}](https://tex.z-dn.net/?f=%5Csqrt%7B149.5%28149.5-113%29%28149.5-100%29%28149.5-86%29%7D)
which simplifies to
![\sqrt{149.5(36.5)(49.5)(63.5)}](https://tex.z-dn.net/?f=%5Csqrt%7B149.5%2836.5%29%2849.5%29%2863.5%29%7D)
which simplifies further to
![\sqrt{17151929.44}](https://tex.z-dn.net/?f=%5Csqrt%7B17151929.44%7D)
which, on your calculator, is 4141.49 meters squared (that's rounded to the nearest hundredth).
Answer: $65.50 - 15% = 55.675
Step-by-step explanation:
Conversion a decimal number to a fraction: 65.50 = 655
10
= 131
2
Conversion a decimal number to a fraction: 9.825 = 9825
1000
= 393
40
Subtract: 65.5 - 9.825 = 131
2
- 393
40
= 131 · 20
2 · 20
- 393
40
= 2620
40
- 393
40
= 2620 - 393
40
= 2227
40
The common denominator you can calculate as the least common multiple of the both denominators - LCM(2, 40) = 40