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777dan777 [17]
3 years ago
10

Leroy can lay 144 bricks in 3 hours. At this rate , how many bricks can he lay in 7 hours

Mathematics
2 answers:
yawa3891 [41]3 years ago
8 0

Answer:

336

Step-by-step explanation:

Leroy can lay 48 bricks per hour.  

48 x 7 equals 336

Anettt [7]3 years ago
7 0
48 x 7 equals 336. I HOPE THIS HELPS!!
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Can someone please help?
Ierofanga [76]

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Step-by-step explanation:

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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:

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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
Which value of x is a solution of the inequality 25x - 100 < 250?
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nordsb [41]

Answer:

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Step-by-step explanation:

Martiza scores for six games were 11, 12,10,8,14, and 15.

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3 years ago
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