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4 years ago

2

Mathematics

1 answer:

tankabanditka [31]4 years ago

3 0

Answer: A translation 5 units to the left

Step-by-step explanation: I’m built different

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what is the probability There are 12 face cards in a standard 52-card deck. If a card is selected at random from a well-shuffled

Ludmilka [50]

Answer:

There are 52 cards in a deck… 12 of these are Face Cards (the J - Q - K of all four suits).

The probability of getting one of these is therefore 12 out of 52 — or 12/52, which is 23%. Not quite a 1 out of 4 chance, but close.

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2 years ago

Can someone help me?!

gogolik [260]

Answer:

This would be an isosceles triangle

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3 years ago

Based on the given inequality statement, which statement correctly describes where the values are located on a number line rela

KonstantinChe [14]

Answer:

what are the different choices?

Step-by-step explanation:

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3 years ago

At a raffle, 250 tickets are sold at $1 each for 3 prizes of $100, $50, and $10. You buy 1 ticket. What is the expected value of

GuDViN [60]

Answer

1: 60

2: 150

Step-by-Step

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3 years ago

Angles θ and φ are angles in standard position such that:

BartSMP [9]

When $\theta$ terminates in quadrant III, both $\cos\theta$ and $\sin\theta$ are negative, and

$\sin^2\theta+\cos^2\theta=1\implies\cos\theta=-\sqrt{1-\sin^2\theta}=-\dfrac{12}{13}$

When $\varphi$ terminates in quadrant II, $\cos\varphi$ is negative and $\sin\varphi$ is positive, so

$1+\tan^2\varphi=\sec^2\varphi\implies\sec\varphi=-\dfrac{17}{15}$

which gives

$\cos\varphi=\dfrac1{-\frac{17}{15}}=-\dfrac{15}{17}$

$\tan\varphi=\dfrac{\sin\varphi}{\cos\varphi}=-\dfrac8{15}\implies\sin\varphi=\dfrac8{17}$

Now,

$\sin(\theta+\varphi)=\sin\theta\cos\varphi+\cos\theta\sin\varphi=-\dfrac{21}{221}$

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3 years ago