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scoundrel [369]
3 years ago
9

I need help on this help help I’ll give out some money

Mathematics
1 answer:
frozen [14]3 years ago
6 0
<h3>a) Never</h3>

{All angles of a rectangle are right}

<h3>b) Always</h3>

{all sides of a rhombus are the same, 4×13=52}

<h3>c) Always</h3>

{oposite angles of a paralleogram are congruent}

<h3>d) Never</h3>

{parallel sides has the same slope}

<h3>e) Always</h3>

{square has all sides of the same length, so it is rhombus}

<h3>f) Sometimes</h3>

{Only if it has angles of 90°}

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Find the area of a rectangle with length (2x + 3) and width (x - 4). A) 2x2 - 11x - 12 B) 2x2 - 5x + 12 C) 2x2 + 11x + 12 D) 2x2
Zielflug [23.3K]

D

area of a rectangle = length × width

area = (2x + 3)(x - 4) ( expand using FOIL )

       = 2x² - 8x + 3x - 12 = 2x² - 5x - 12 → D


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Alina [70]

Answer:

k -= 1

Step-by-step explanation:

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Evaluate the expression when b=-7 and y=7 b-4y
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An experiment has three possible mutually exclusive outcomes, A, B, or C. The odds of A occurring are 3 to 10 and the
Arte-miy333 [17]

Using the relation between odds and probability, it is found that:

1. P(C) = 17/39.

2. The odds of C occurring are 17 to 22.

<h3>What is a probability and what is an odd?</h3>

  • A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
  • An odd is the number of <u>desired outcomes divided by the number of non-desired outcomes</u>.

Considering the odds, the probabilities for A and B are given as follows:

  • P(A) = 3/(3 + 10) = 3/13.
  • P(B) = 1/(1 + 2) = 1/3.

The sum of all probabilities is of 1, hence the probability of C is found as follows:

\frac{3}{13} + \frac{1}{3} + P(C) = 1

\frac{9 + 13 + 39P(C)}{39} = 1

39P(C) = 17

P(C) = 17/39.

17 desired outcomes and 39 - 17 = 22 non-desired, hence:

The odds of C occurring are 17 to 22.

More can be learned about the relation between odds and probability at brainly.com/question/25683609

#SPJ1

6 0
2 years ago
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