3 years ago

What is the probability of choosing a numbered card from a deck of cards? Type your answer as a fraction.

Mathematics

2 answers:

hichkok12 [17]3 years ago

6 0

Answer:

36/52 or 9/13

Step-by-step explanation:

Ace-9 for all suits; Diamond, Hearts, Spades and Clubs

anygoal [31]3 years ago

4 0

36/52 because there are 4 non-numbered cards in each suit.

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Select the correct answer.

Svetlanka [38]

Answer:

<h3> $\boxed{ \boxed{ \bold{ {x}^{2} + 4x - 21}}}$ </h3>

Step-by-step explanation:

$\sf{(x - 3)(x + 7)}$

Use the distributive property to multiply each term of the first binomial by each term of the second binomial.

⇒ $\sf{x(x + 7) - 3(x + 7)}$

⇒ $\sf{ {x}^{2} + 7x - 3x - 21}$

Collect like terms

⇒ $\sf{ {x}^{2} + 4x - 21}$

Hope I helped!

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3 years ago

Read 2 more answers

Y is directly related to x and y is 81 when x is 27 the constant of.variation is

suter [353]

Answer:

The constant of variation is 3

Step-by-step explanation:

Given.

$y=81$

$x=27$

And y is directly related to x

$y$ ∝ $x$

Here k is constant of variation

$y=kx$

$k=\frac{y}{x}$ --------------(1)

Put the $y$ and $x$ value in equation 1.

$k=\frac{81}{27}$

$k=3$

So, the constant of variation is 3.

6 0

3 years ago

Select each type of line of symmetry that the following figure has, if any. [Hint: A capital letter "O' is an oval, not a

AlladinOne [14]

Answer:

vertical and horizantal

Step-by-step explanation:

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3 years ago

Siobhan performs the elementary row operation represented by 2R3-R2 on matrix A.<br>

Natalija [7]

Answer:

The matrix would be:

-1 2

12 2

6 3

-3 -4

Step-by-step explanation:

Took the quiz.

3 0

3 years ago

Koji is installing a rectangular window in an office building. The window is 8 2/3 ft The formula for the area of a rectangle is

larisa86 [58]

It's 5 because the fraction when you divide. 23.

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3 years ago