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tankabanditka [31]
3 years ago
10

459 randomly selected lightbulbs were tested in a laboratory 291 lasted more than 500 hours find a point estimate of the true pr

oportion of all lightbulbs in that last more than 500 hours
Mathematics
1 answer:
BARSIC [14]3 years ago
4 0
291:459 or 291/459 it is the amount lasted to the total amount
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Answer:

Step-by-step explanation:

B + 87 +78 +66 = 360

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Your new TV screen has a width that is 4 inches longer than its height. If the screen's diagonal measurement is 20 inches, find
scoundrel [369]

Answer:

So the height is 12

Step-by-step explanation:

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2 years ago
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3 years ago
Read 2 more answers
At the afternoon matinee movie, 2 adult tickets and 4 child tickets cost $32, and 4 adult tickets and 3 child tickets cost $44.
Yuliya22 [10]

Answer:

2x + 4y = 32

4x + 3y = 44

Step-by-step explanation:

From the information supplied in the question, we can see that 2 adult tickets and 4 child tickets cost $32. This means we multiply the cost of an adult ticket by 2 and add it to the product of 4 child tickets and its price I.e y.

We can also see that to get a total cost of $44, 4 adult tickets and 3 child tickets were bought. Hence, we simply multiply the cost of an adult ticket by 4 and add it to the product of 3 child ticket and its price

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3 years ago
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