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olganol [36]
3 years ago
10

Find the sum of the finite geometric sequence whose first term is 1.4, whose ratio is 0.5, and which has six terms.

Mathematics
1 answer:
sleet_krkn [62]3 years ago
7 0

Answer:

2.75632 rounded to 5 decimal places

Step-by-step explanation:

a(r^n-1)/r-1 is the formula for sum of geometric series

where a= first term (1.4)

n= number of terms(6)

r= common ratio(0.5)

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Which of the equations below could be the equation of this parabola?
Vilka [71]

Answer:

B

Step-by-step explanation:

  • Parabola that is opening upward has the form  y=ax^2
  • Parabola opening downward has the form  y=-ax^2
  • Parabola opening leftward has the form  x=-ay^2
  • Parabola opening rightward has the form  x=ay^2

Where a is a constant

Now, looking at the graph given, it takes the form  x=-ay^2

Where a is 3 (matching the answer).

Hence, B is the correct answer choice.

7 0
3 years ago
Can someone please help
Romashka-Z-Leto [24]

Answer:

360 473 2190

Step-by-step explanation:

THATS THE ANSWER

4 0
3 years ago
8.7204 i expanded form
maria [59]

8 + 0.7 + 0.02 + 0.0004 is 8.7204 in expanded form
8 0
3 years ago
GEOMETRY HELP! <br><br> This is my last question and I don’t know what the answer is! Please help!
Angelina_Jolie [31]

Temporarily subdivide the given area into two parts: a large rectangle and a parallelogram. Find the areas of these two shapes separately and then combine them for the total area of the figure.

By counting squares on the graph, we see that the longest side of the rectangle is the hypotenuse of a triangle whose legs are 8 and 2. Applying the Pyth. Thm., we find that this length is √(8^2+2^2), or √68. Similarly, we find the the width of this rectangle is √(17). Thus, the area of the rectangle is √(17*68), or 34 square units.

This leaves the area of the parallelogram to be found. The length of one of the longer sides of the parallelogram is 6 and the width of the parallelogram is 1. Thus, the area of the parallelogram is A = 6(1) = 6 square units.

The total area of the given figure is then 34+6, or 40, square units.

7 0
3 years ago
8.0007 * 10 to the 6 power
SVETLANKA909090 [29]

Answer: 8000700

Step-by-step explanation:

10 to the 6th power is 100000

1000000 * 8.0007 = 8000700

4 0
3 years ago
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