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Nata [24]
3 years ago
11

Please help me. I already have the systems of linear equations which is y=87x+2129

Mathematics
2 answers:
Gnesinka [82]3 years ago
4 0

Answer:

Step-by-step explanation:

Your answer for  x = 25.35 is correct.

Since the night must be an integer, you need to take 26 as your final answer. b) for y = 1500, you solve for x to consider which one is better.

for plan A, y = 87 x + 2129, you have to pay $2129 before starting the trip, hence $1500 is NOT enough to pay.

for plan B, y = 171x and y = 1500, hence x = 8.77. So, with $1500 you can travel for 8 nights.

goblinko [34]3 years ago
3 0

Step-by-step explanation:

that's it hope u understood

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What is the sum of the arithmetic series 18 t=1 (3t-4)
PolarNik [594]

Consider the arithmetic series _{t=1}\Sigma^{t=18} (3t-4)

Let t=1 in the given series, we get

first term = a_{1} = 3-4 = -1.

Let t=2 in the given series, we get

second term = a_{2} = (3 \times 2)-4 = 2

Let t=3 in the given series, we get

third term = a_{3} = (3 \times 3)-4=5

Now, let t=18 in the given series, we get

last term = l = l = (3 \times 18)-4 = 50

We get the series as

-1, 2, 5,..... 50

Sum = \frac{n}{2}(a+l)

= \frac{18}{2}(-1+50)

= = 9 \times 49

= 441

Therefore, the sum of the given arithmetic series is 441.

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4 years ago
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Answer:

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