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77julia77 [94]
3 years ago
8

When is a rectangle a square?

Mathematics
2 answers:
ololo11 [35]3 years ago
6 0

Answer:

I think option B i.e. when its angles are right angles.

tankabanditka [31]3 years ago
6 0

Answer:

A. When its sides are congruent

Step-by-step explanation:

By definition a square is a four sided polygon (shape) which has four right angles and four sides of equal length.

So, when a rectangle has all congruent sides, its a square because its a rectangle so it has four right angles, and congruent sides are sides of the same length.

B is incorrect because a rectangle can have four right angles but have differing side lengths

C is incorrect because again a rectangle can have parallel sides but have differing side lengths

D is incorrect because it can have convex angles but again have differing side lengths

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Answer:

C = 43.98 in

Step-by-step explanation:

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C / d = pi

C = pi * d

C = pi * 14

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3 years ago
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Answer:56.9

Step-by-step explanation:

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Simplify 4x+5/6x^2-x-12 subtract 5x/6x^2-x-12
neonofarm [45]
<span>4x+5/6x^2-x-12 - (5x/6x^2-x-12)
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Lucy offers to play the following game with Charlie: "Let us show dimes to each other, each choosing either heads or tails. If w
Darya [45]

Answer:

(a)Charlie is right

(b)$0

Step-by-step explanation:

(a)A game is said to be a fair game when the probability of winning is equal to the probability of losing. Mathematically, a game is said to be fair when the expected value is zero.

In the game, the possible outcomes are: HH, HT, TH and TT.

Charlie wins when the outcome is HH, TT

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Lucy wins when the outcome is HT or TH

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Therefore, the game is fair. Charlie is right.

(b)

If the outcome is HH, Lucy pays $3.

If the outcome is HT or TH, Lucy gets $2.

If the outcome is TT, Lucy pays $1.

The probability distribution of Lucy's profit is given below:

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Expected Profit

=(-3 \times \frac14)+(-1\times \frac14)+(2 \times \frac24)\\=$0

Lucy's expected profit from the game is $0.

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juin [17]
Less then i really hope i helped
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