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Mnenie [13.5K]
3 years ago
9

Ayudaaaa por favor es urgente​

Mathematics
1 answer:
ss7ja [257]3 years ago
8 0

Answer:

use trig

Step-by-step explanation:

sin(15) = 100/x

x = 100/sin(15)

use calculator

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Grant attended 75% of his Student Council meetings. If there were 40 meetings, how many did Grant NOT attend?
Luden [163]

Answer:

10

Step-by-step explanation:

take your total and multiply it by the percentage.

40 × .75 = 30. he attended 30 meetings. take your total and subtract your new value.

40 - 30 = 10 meetings not attended

5 0
3 years ago
Bananas cost .89cents, I have $11.75, how many bananas can I buy?
Marysya12 [62]
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3 years ago
Consider rolling two fair dice one 3-sided the other 5-sided
Ne4ueva [31]

Since the dice are fair and the rolling are independent, each single outcome has probability 1/15. Every time we choose

1\leq x\leq 3,\quad 1\leq y \leq 5

We have P(X=x)=\frac{1}{3} and P(Y=y)=\frac{1}{5}, because the dice are fair.

Now we use the assumption of independence to claim that

P(X=x, Y=y) = P(X=x)\cdot P(Y=y) =\dfrac{1}{3}\cdot\dfrac{1}{5} = \dfrac{1}{15}

Now, we simply have to count in how many ways we can obtain every possible outcome for the sum. Consider the attached table: we can see that we can obtain:

  • 2 in a unique way (1+1)
  • 3 in two possible ways (1+2, 2+1)
  • 4 in three possible ways
  • 5 in three possible ways
  • 6 in three possible ways
  • 7 in two possible ways
  • 8 in a unique way

This implies that the probabilities of the outcomes of W=X+Y are the number of possible ways divided by 15: we can obtain 2 and 8 with probability 1/15, 3 and 7 with probability 2/15, and 4, 5 and 6 with probabilities 3/15=1/5

8 0
3 years ago
On the first play during the football game our team gained 5 yards. Between both the second and third play our team lost eight y
Maurinko [17]

Answer:

loss

Step-by-step explanation:

you might want to check someone else answer first tho

7 0
3 years ago
PLSSSSS HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Leni [432]
B is the answer, every other answer can be simplified
8 0
2 years ago
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