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saul85 [17]
3 years ago
14

Please help!! this is due TODAY!

Mathematics
1 answer:
Rzqust [24]3 years ago
7 0
C I’m pretty sure that’s what is it
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Please help show that the following are TRUE.
mafiozo [28]

Answer:

  see below

Step-by-step explanation:

The formula for the sum of an infinite geometric series with first term a1 and common ratio r (where |r| < 1) is ...

  sum = a1/(1 -r)

Applying this to the given series, we get ...

a. sum = 5/(1 -3/4) = 5/(1/4) = 20

b. sum = d/(1 -1/t) = d/((t-1)/t) = dt/(t-1)

_____

The derivation of the above formula is in most texts on sequences and series. In general, you write an expression for the difference of the sum (S) and the product r·S. You find all terms of the series cancel except the first and last, and the last goes to zero in the limit, because r^∞ → 0 for |r| < 1. Hence you get ...

  S -rS = a1

  S = a1/(1 -r)

7 0
4 years ago
What is the solution to 2x2+8x=x2-16?<br> O x=4<br> O x=-2<br> O x=2<br> O x=4
muminat

Answer:

I think its x=2 sorry if im wrong

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
NEED HELP IN TEST Please
Elden [556K]

Answer:

did you try

Step-by-step explanation:

8 0
3 years ago
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my sister wants to watch 6 star wars movies ,if each movie. is 2 hours , how long will it take her to watch all of the movies?
poizon [28]
12 hours, 6 x 2 = 12.
4 0
3 years ago
Read 2 more answers
The coordinates of which point are (–3, –6)? On a coordinate plane, point A is (negative 3, 6), point B is (negative 6, negative
lana [24]

Given:

The coordinates of a point are (-3,-6).

To find:

The point on the coordinate plane whose coordinates are (-3,-6).

Solution:

From the given information of coordinate plane, it is clear that

Coordinates of point A are (-3, 6).

Coordinates of point B are (-6,-3)

Coordinates of point C are (-3,-6)

Coordinates of point D are (3,-6)

It is clear that, only point C has coordinates (-3,-6).

So, the required point is C.

Therefore, the correct option is C.

8 0
3 years ago
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