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4 years ago

If the value of 2x to the third power is 2, then what is the value of x?

Mathematics

2 answers:

Stella [2.4K]4 years ago

7 0

2x^2 = 2

so x needs to equal 1 since 2*1 = 2

maxonik [38]4 years ago

5 0

2x^3 = 2
x^3 = 1
x = 1

answer
x = 1

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Consider an experiment with a deck of 52 playing cards, in which there are 13 cards in each suit, two suits are black, and two s

lakkis [162]

Answer:

P (E1) = 1/2 or 50%

P (E2) = 3/13 or 23%

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Number of playing cards = 52

Number of suits = 4

Number of cards per suit = 13

Number of black suits = 2

Number of red suits = 2

2. Suppose E1 = the outcome is a red card and E2 = the outcome is a face card (K, Q, J). Determine P(E1 or E2).

P (E1) = Number of red cards/Total of playing cards

P (E1) = 26/52 = 1/2 = 50%

P (E2) = Number of face cards/Total of playing cards

P (E2) = 12/52 = 3/13 = 23%

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3 years ago

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A regular hexagon has a radius of 20in. What is the approximate area of the hexagon

Wittaler [7]

Answer:

A= 1038 in²....

Step-by-step explanation:

There are several ways to find the area of a regular hexagon

In a regular hexagon, split the figure into triangles.

Find the area of one triangle.

Multiply this value by six.

We will apply the formula of area of regular polygon:

A= 1/2r²nsin(360/n)

r = radius

n = number of sides of the regular polygon

We know that,

r= 20 in

n= 6

Now substitute the values in the formula:

A= 1/2(20)²(6)sin(360/6)

A= (20)²(3)sin(360/6)

A= (20)²(3)sin(60)

A=3*(20)² *√3/2

A= 1200 * √3/2

A= 600*√3

A= 1038 in²....

Therefore the approximate area of hexagon is 1038 in²....

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3 years ago

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sergiy2304 [10]

Answer:

please provide the graph

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3 years ago

Analyzing a Claim

kirill [66]

Answer:

Yes, the two events are independent because P(NF | PB) = P(NF)

Step-by-step explanation:

Paperback Hardcover Total

Fiction 20 10 30

Nonfiction 60 30 90

Total 80 40 120

P(NF | PB) = 60/80 = 3/4

P(NF) = 90/120 = 3/4

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4 years ago

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Find the area of a circle with radius of the 5.58 give your answer rounded to 2DP?? pls help

marta [7]

Answer:

Area is 97.82.

Step-by-step explanation:

Area of Circle

$A = \pi r^2$

A ... area of circle

r ... radius

Given

r = 5.58

Now insert radius in formula and use a calculator.

$A = \pi r^2$

$A = \pi (5.58)^2$

$A = \pi (31.1364)$

$A \approx 97.8178855$

Rounded to two decimal places:

$A = 97.82$

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2 years ago