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3 years ago

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Pls pls Pls pls Pls Pls help me pls pls pls pls pls pls ASAP pls pls pls Pls pls Pls pls Pls Pls help me pls pls pls pls pls pls

ASAP pls pls pls Pls pls Pls pls Pls Pls help me pls pls pls pls pls pls ASAP I WILLL GIVE BRAINLIEST!!!!!!!!!

1 answer:

Mama L [17]3 years ago

8 0

Answer:

it is already an equation

Step-by-step explanation:

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When one card is drawn from a well shuffled deck of 52 cards what is the probability that it will be a queen king or ace

andreev551 [17]

There are 4 Queens, 4 Kings, and 4 Aces in a standard deck of cards.

Add these together, and there are 12 cards that you have a chance of choosing from.

The ratio of cards we want to get (queen, king ace) to number of cards is 12/52. This is the probability. We can simplify it further by dividing both sides by 4. We now have the fraction 3/13.

Therefore, the probability of drawing a queen, king, or ace is 3 in 13, or 23%.

hope this helped!

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2 years ago

How do I find dy/dx of the following?

Pachacha [2.7K]

Answer:

$\displaystyle\frac{dy}{dx} \ = \ 3x^{2} \ + \ \displaystyle\frac{1}{2\sqrt{x^{3}}} \ - \ \displaystyle\frac{12}{x^{5}}$

Step-by-step explanation:

$y \ = \ x^{3} \ - \ \displaystyle\frac{1}{\sqrt{x}} \ + \ \displaystyle\frac{3}{x^{4}} \\ \\ y \ = \ x^{3} \ - \ x^{-\frac{1}{2}} \ + \ 3x^{-4} \\ \\ \displaystyle\frac{dy}{dx} \ = \ 3x^{3 \ - \ 1} \ - \ \left(-\displaystyle\frac{1}{2}\right)x^{-\frac{1}{2} \ - \ 1} \ + \ \left(-4 \ \times \ 3\right)x^{-4-1}$

$\displaystyle\frac{dy}{dx} \ = \ 3x^{2} \ + \ \displaystyle\frac{1}{2}x^{-\frac{3}{2}} \ - \ 12x^{-5} \\ \\ \displaystyle\frac{dy}{dx} \ = \ 3x^{2} \ + \ \displaystyle\frac{1}{2\sqrt{x^{3}}} \ - \ \displaystyle\frac{12}{x^{5}}$

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2 years ago

Emily saved 25 coins. She saved quarters and one-dollar coins only. If she had a total of $12.25, how many quarters did she have

FinnZ [79.3K]

She would have 1 quarter

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4 years ago

Read 2 more answers

A map has a scale of 1 inch:25 mi. Two cities are 175 mi apart. How far apart are they on the map

uranmaximum [27]

Hello!

Let's write this as a proportion and solve.

$\frac{scale}{real} =\frac{1}{25} =\frac{x}{175}$

We cross-multiply, giving us the equation below.

25x=175

We divide both sides by 25.

x=7

Therefore, the cities are 7 inches apart.

I hope this helps!

6 0

3 years ago

A number written in the form a + bi is called a _____ number.

postnew [5]

The answer is complex number

a complex number is 2 parts
1. the real part
2. the imaginary part

the real part is the 'a' part of the a+bi
the imaginary part is the 'bi' part of the a+bi

answer is A
(B means exponent is no higher than 1, C means exponent is 2, D means b^2-4ac)

answer is A

5 0

4 years ago