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Ket [755]
2 years ago
15

Determine if the sequence is arithmetic. If it is, find the common difference.

Mathematics
1 answer:
Margaret [11]2 years ago
4 0

Answer:

1) Arithmetic since it decreases by 3 so, -3n + 38.

2) Arithmetic since it decreases by 20 each time, so -20n+17

Step-by-step explanation:

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r-ruslan [8.4K]
The answer is B. y = -1/5x +1/2.

EXPLANATION

First solve for the slope:
m = \frac{y2 - y1}{x2 - x1} \\ m = \frac{0 - \frac{3}{5} }{ \frac{1}{2} - \frac{1}{5} } \\ m = - \frac{1}{5}
After finding the slope, look for the linear equation with the same value of m (parallel equation).
4 0
3 years ago
Mary's SUV has a 15-gallon gas tank. The SUV gets an estimated 24 miles per gallon.
Delvig [45]

Answer:

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Step-by-step explanation:

5 0
2 years ago
Determine the type and number of solutions of x^2 + 10x − 25 = 0.
Vitek1552 [10]

Answer:

There is exactly 1 solution and it is a double root.

Step-by-step explanation:

To find this, factor the equation and solve.

x^2 + 10x - 25 = 0

(x - 5)(x - 5) = 0

Now that we have this factored, we can set each parenthesis equal to 0 and solve separately.

x - 5 = 0

x = 5

x - 5 = 0

x = 5

Because there are two of the exact same answer, we know it to be a double root.

5 0
3 years ago
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