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lys-0071 [83]
2 years ago
6

In the diagram below ab parrell to cd what is the value of x​

Mathematics
1 answer:
Shtirlitz [24]2 years ago
4 0
This isn’t complete.
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The height of a volleyball, h, in feet, is given by h = −16t^2 + 11t + 5.5, where t is the number of seconds after it has been h
faust18 [17]

Answer:

The volleyball travel high enough to clear the top of the net.

Step-by-step explanation:

The height of a volleyball, h, in feet, is given by h = −16t² + 11t + 5.5, where t is the number of seconds after it has been hit by a player.

Now, for h = 7.3 feet, we can write

7.3 = - 16t² + 11t + 5.5

⇒ 16t² - 11y + 1.8 = 0

Using the quadratic formula we get,

t = \frac{- (- 11) \pm \sqrt{(-11)^{2} - 4(16)(1.8)}}{2(16)}

⇒ t = \frac{11 \pm 2.4}{32}

⇒ t = 0.27 or t = 0.42

Therefore, for the two real positive values of t the volleyball travel high enough to clear the top of the net. (Answer)

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3 years ago
A department store sells a pair of shoes with an 87% markup. If the original price of the shoes was $103, what is the selling pr
Nezavi [6.7K]

Answer:

Step-by-step explanation:

103x.87=89.61

103+89.61=192.61

7 0
3 years ago
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A cake recipe calls for 1 3/4 cups of flour. If Gloria is planning on making 7 cakes for a bake sale, how many cups of flour wil
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He drove 1380 miles
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