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Sonja [21]
3 years ago
13

Given x=5 + √16 , select the value(s) of x. -11 1 9 21

Mathematics
2 answers:
Schach [20]3 years ago
6 0

Answer:

The answers would be 9 and 1.

Step-by-step explanation:

x= 5±√16 can be separated into two equations.

x=5+√16 and x=5-√16

1. 5+√16 can be solved by simplify √16, which is 4. So then it would become   5+4 which equals 9.

2. 5-√16 can be solved by simplifying √16 which is 4. So then it would become 5-4 which equals 1.

So the values of x are 9 and 1.

Zigmanuir [339]3 years ago
6 0

Answer:

9 and 1 would be answer.

Step-by-step explanation:

we have given the equation

x=5 ± √16

x= 5 ±√4²

equation can be separated into two equations

x=5+ √4²    equation I    and    x=5-√4²      equation  II

Solving equation I

x= 5+4= 9

Solving equation II

x = 5-4 = 1

So the values of x are 9 and 1.

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The volume and surface area of the pyramid will be 392 / 3 cubic units and 189 square units. Then the correct option is A.

The complete question is attached below.

<h3>What is the volume and surface area of the pyramid? </h3>

Suppose the base of the pyramid has length = L units, width = W units, slant height = K units, and the height of the pyramid is of H units.

Then the volume of the pyramid will be

V = (L × B × H) / 3

The surface area of the pyramid will be

SA = 2(1/2 × B × K) + 2(1/2 × L × K) + (L × B)

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SA = 189 square units

Then the correct option is A.

More about the volume and surface area of the pyramid link is given below.

brainly.com/question/23302816

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C/2 - 3 + 6/d when c=14 d=3
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Answer:

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Step-by-step explanation:

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