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dezoksy [38]
2 years ago
7

Find the 6th partial sum of the following geometric series. 1/2, -3/2, 9/2, -27/2

Mathematics
1 answer:
defon2 years ago
6 0

Answer:

243

Step-by-step explanation:

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(-4)(5)+(-3)(-2) whats is it???
Vlada [557]

Answer:

-14

Step-by-step explanation:

(-4)(5)+(-3)(-2)

=-20+6

=-14

5 0
3 years ago
Read 2 more answers
Which equation represents a line which is parallel to the line y = -6x – 1?
icang [17]

Answer:

6x+y=-8 because it will be y=-6x-8 having same slope with the line given

4 0
3 years ago
Tourists covered 640 km for a 4 hour ride by car and a 7 hour ride by train. What is the speed of the train, if it is 5 km/h gre
gavmur [86]

Answer:

60 km/h

Step-by-step explanation:

Let us use the x to represent the speed of the car since it is the smaller value.

Then, the distance covered by the car is 4x since was going 4 kph.

The distance covered by the train is (x+5) times 7 or 7x+35.

We know that the total distance covered is 640 km.

Using this information, we can set up the equation 4x+7x+35=640.

By subtracting both sides by 35 and combining the x's, we get a new equation of 11x=605.

After this, we divide both sides by 11 and get x=55.

Lastly, we add 5 to 55 since the train is 5 km faster than the car and that x stood for the car.

Train=60 km/h

5 0
2 years ago
A family buys 6 airline tickets online. The family buys travel insurance that costs $18 per ticket. The
Flauer [41]

Answer:

15

Step-by-step explanation:

4 0
2 years ago
What is the equation of a vertical line passing through (−5, −2)? a: x = −5 b: x = −7 c: y = −3 d: y = −2
drek231 [11]

The answer is

A : x=-5

6 0
3 years ago
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