There are 4 aces and 4 kings in a standard deck of 52 cards. You pick onecard at random. What is the probability of selecting an ace or a king. Explain your reasoning.

Answers

Answer 1

Answer: The odds of picking a single card out of 52 is:
1/52

The odds of picking an Ace is:

4/52 (since there are 4 aces in a single deck)

The odds of picking an ace or a king is:

8/52 (since there are 4 aces and 4 kings in a single deck, 4+4=8_

8/52 can be simplified to 2/13

Answer=2/13

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PLEASE I NEED HELP!!!!!!!!! Which expressions are equivalent to 2x - 4 + 4(3x - 2) Select EACH correct answer. A. 4(5x - 2) B.2(7x - 6) C. 8x(3x - 6) D.2x - 8(3x - 2) E.14x - 12

Answers

C. 8x(3x - 6)
im 100% right

2x-4+4(3x-2)
2x-4+12x-8 (open the brackets)
2x+12x-4-8
14x-12
2(7x-6) (factorize it)
the correct answer is B

Simpify this expresion 7+5h+2h+7h2–2h2

Answers

Answer:

$5h^2 + 7h + 7$

Step-by-step explanation:

We can simplify this expression by combining like terms.

To combine like terms, we are looking for terms that share the same variable and exponent.

First, we can see that the terms $7h^2$ and $-2h^2$ share the same variable (h) and the same exponent (2).

$7 - 2 = 5$

This simplifies to $5h^2$ .

Next, we can see that $5h$ and $2h$ share the same variable (h) and the same exponent (1) so we can add these.

$5+2=7$

This simplifies to $7h$ .

Lastly, we can see that we just have 7, no more terms with the same variable (none). So this is 7.

Adding up all the terms in standard form ( $ax^2 + bx + c$ ), we get $5h^2 + 7h + 7$ .

Hope this helped!

What is the mechanical advantage of a ramp that is 5 m long and 1.5 m high

Answers

it would 7.5 meters long

Find the reciprocal of the number. Multiply to check your answer. The number is 6. A. 1/6 B. 1 C. 12 D. 36

Answers

The answer is A. Simply because: 6= 6/1 and the reciprocal is 1/6.

Farmers have learned how to grow watermelonsin the shape shown at the right. What
three-dimensional figure is the watermelon?

Answers

Answer:

it looks like a cube to me lol

Find f(x)=x 4/7+9/14 can someone help me solve this as a improper fraction

Answers

the expression in the form of an improper fraction is: $f(x) = (14x^(4/7) + 9) / 14$ . To find f(x) when $f(x) = x^(4/7) + 9/14$ , we need to combine the terms on the right-hand side and simplify the expression.

Step 1: Combine the terms on the right-hand side:

$f(x) = x^(4/7) + 9/14$

Step 2: To express $x^(4/7)$ as an improper fraction, we raise x to the power of 4/7. Remember that the denominator of a fraction represents the root (in this case, the 7th root) and the numerator represents the power (in this case, 4).