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Darina [25.2K]
3 years ago
7

T

Mathematics
2 answers:
Bogdan [553]3 years ago
8 0
Ewan ko po ehh pero pagaaralan ko poi yan
tigry1 [53]3 years ago
6 0

Answer:

Step-by-step explanation:

⚓️

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The sum of the series.<br><br> Can you explain how to do? Thanks!
Doss [256]

Answer:

  5115

Step-by-step explanation:

First of all, we need to assume there is a typo involved, and that the expression is supposed to be ...

  \displaystyle\sum_{i=1}^{10}{5\left(\dfrac{1}{2}\right)^i}

The values being summed look a lot like the general term of a geometric sequence:

  a_1(r^{n-1})

The exponents in the sum range from 1 to 10, so the values being summed range from 5/2 to 5/1024. In order for that to be the case with our general term, for r = 1/2, we must have a1 = 5/2 as we let n range from 1 to 10.

The sum of the terms of the geometric sequence is ...

  S_n=a_1\dfrac{1-r^n}{1-r}\\\\S_{10}=\dfrac{5}{2}\cdot\dfrac{1-\left(\dfrac{1}{2}\right)^{10}}{1-\dfrac{1}{2}}=\dfrac{5}{2}\cdot\dfrac{1023}{512}=\dfrac{5115}{1024}

The numerator of the fraction is ...

  x = 5115

_____

<em>Caveat</em>

If we have misinterpreted the intent of the problem statement, the answer will be different.

6 0
3 years ago
Cómo se yama el ángulo 30 grados​
Gnom [1K]

Answer: se llama angulo agudo

7 0
3 years ago
M∠QRS=59° and m∠TUV=31° . Which statement is true about ∠QRS and​ ∠TUV ​?
Svetlanka [38]
B the angles are complementary
mark this as brainiest answer please
3 0
3 years ago
Read 2 more answers
Choose the correct description of the graph of the compound inequality: x − 2 &gt; −3 and 3x less than or equal to 12
ziro4ka [17]
From the first inequality x > 2 - 3  so x> -1
and from the second:-  x <= 4
so the graph will be a number line  with an open circle at x = -1 and a closed circle at x = 4  and  the line is shaded in between.
7 0
3 years ago
Manny has 48 feet of wood. He wants to use all of it to create a border around a garden. The equation 2 l plus 2 w equals 48 can
Lelu [443]

Answer:

2l + 2w = 48

if garden is 15' long

2(15) + 2w = 48 \\ 30 + 2w = 48 \\ 30 - 30 + 2w = 48 - 30 \\ 2w = 18 \\  \frac{2w}{2}  =  \frac{18}{2}  \\ w = 9 \: feet \: wide

7 0
3 years ago
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