3 years ago

Please helpppp As soon as possible

Mathematics

1 answer:

Flura [38]3 years ago

8 0

Answer: 4 pairs

Step-by-step explanation:

121-16=105. However, 121 can be made by squaring -11 or 11. 16 can be made by squaring 4 or -4. Thus, the choices are 11,4 11,-4 -11,4 -11,-4

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Find the sum of the first five terms using the geometric series formula for the sequence 1/2, -1,2,-4…

sammy [17]

The sum of the first five terms is 11/2

<h3>How to determine the sum?</h3>

The series is given as:

1/2, -1,2,-4…

Calculate the common ratio of the series using

r = -4/2

Evaluate

r = -2

The sum is then calculated as:

$S_n = a\frac{1 - r^n}{1 - r}$

This gives

$S_n = \frac{1}{2} * \frac{(1 - (-2)^5}{1 + 2}$

Evaluate

$S_n = \frac{1}{2} * \frac{33)}{3}$

Evaluate

$S_n =\frac{11}{2}$

Hence, the sum of the first five terms is 11/2

Read more about series at:

brainly.com/question/11346378

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2 years ago

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devlian [24]

Answer:

linear since there is a constant rate of change

Step-by-step explanation:

2x+3y=6

is simplified to 3y=-2x+6 which is divided by 2 to give us y=-2/3+2

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3 years ago

Evaluate n+13 for n=24

OleMash [197]

Answer: 37

Step-by-step explanation:

if n=24

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3 years ago

i promise i will mark brainliest if the point (-3,4) is the vertex point of the curve of aquadratic function f and -5 is aroot o

Jet001 [13]

Ans:

(x+5)(x+1)+8

Step by step explanation:

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4 years ago

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s344n2d4d5 [400]

Answer:

$\frac{4}{1}$

Step-by-step explanation:

Any whole number can be made into a fraction simply by putting it over 1.

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4 years ago

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