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Anni [7]
3 years ago
6

A. 12/13 B. 5/13 C. 5/12 D. 12/5

Mathematics
1 answer:
Leviafan [203]3 years ago
7 0

Answer:

B

Step-by-step explanation:

SOH CAH TOA

cos (β) = adjacent / Hypotenuse

cos (β) = 5 / 13

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Carly placed 50 marbles in a bag. Fifteen of the marbles are pink, 8 marbles are black,
yuradex [85]

When you go into this problem, you want to figure out your marble ammount to 50 so in this case we will say C for color and 50 for the total ammount of marbles.

We know 15 are pink, 8 are black, 2 are green, 18 are clear, and 7 are striped

15P/50

8B/50

2G/50

18C/50

7S/50 for a total of 50 marbles

Now we use the chart to decide our awnsers  

A. We know our propability of drawing a green and clear is 20/50 which if we simplify is a 2/5 ratio. If We put this in perspective 2/5 is rare and is unlikley to even.

B. We know a striped marble is 18/50 or 1.8/5 ratio which is mainly unlikely

C. We have 23/50 marbles that are black and pink, our propability is about 2.3/5 and gives us an even chance to get one of these

D. We know we have 33/50 marbles that are pink and clear and gives us a 3.3/5 chance of getting one of  these and gives us an even to likely chance of getting one of these.

E. If we have a total of 17 marbles in these 3 colors, we have a 1.7/5 chance of getting one of these and is probably impossible to unlikey.

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2 years ago
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kondaur [170]

Answer:

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Step-by-step explanation:

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Which graph represents the system of inequalities?<br><br> y+2&lt;5x<br> y+3x&gt;4<br> y≥2x
Lostsunrise [7]

Answer:

2nd graph above the one you chose

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Robert spent half of his savings on a new phone. He earns some money back by babysitting the neighbors for $45. What was his sav
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The answer is 169 I’m pretty sure
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Please look at the included picture, show me your work and please include a good explanation. It would really help me out here.
Jobisdone [24]

These are indeed equivalent, and this identity is one of DeMorgan's laws.

The 6th column is the negation of the 5th column. For example, the first row says

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Then in the 7th/last column, you are checking the truth value of the statement

<em>p</em> and not <em>q</em>

For example, in the first row, both <em>p</em> and <em>q</em> are true (T). This means (not <em>q</em>) is false, so (<em>p</em> and not <em>q</em>) is false (F). The last column should end up reading {F, T, F, F}, same as the previous column.

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