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velikii [3]
2 years ago
6

A baseball is struck by a batter at an angle such that it reaches its maximum height at the location of the pitcher – and just g

razes the top of the pitcher’s head (at an elevation of 1.50 m above the launch point of the baseball). The pitcher is a horizontal distance of 20.0 m from the point at which the ball was struck. What was the launch angle for the baseball?

Mathematics
1 answer:
Kobotan [32]2 years ago
3 0

Answer:

See it in the pic.

Step-by-step explanation:

See it in the pic.

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Katie invests $5,000 in an account earning 4% interest, compounded annually for 5 years. Two years after Katie's initial investm
Lyrx [107]
Emily earned $166 more in her account than Katie.

We use the compound interest formula for both of these:

A=p(1+r)^t

For Katie's deposit:
A=5000(1+0.04)^5=5000(1.04)^5 = 6083.26

This gives Katie 6083.26-5000 = 1083.26 in interest (1083, to the nearest dollar).

For Emily's deposit:
A=10000(1+0.04)^3=10000(1.04)^3=11248.64

This means she earned 11248.64-10000=1248.64 in interest (1249, to the nearest dollar).

The difference in interest is given by 1249-1083=166
4 0
3 years ago
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The sum of the first 150 negative integers is represented using the expression What is the sum of the first 150 negative integer
Kamila [148]

Answer:

C. -11,325

Step-by-step explanation:

  • To know the answer, is convenient to replace some values of "n" in the sum \sum_{(n=1)}^{150}[-1-(n-1)].
  • The result would appear after adding up every value of the expression \sum_{(n=1)}^{150}[-1-(n-1)] when n=1,2,3.....,150.
  • When n=1, the expression takes the value of (-1): [-1-(1-1)]= (-1)-0=-1.
  • When n=2, the expression takes the value of (-2): [-1-(2-1)]=-1-1=-2.
  • Following this way, for every n, we will obtain -n, then, the sum will be: -1-2-3-4-5-6-...-150. This sum can actually be expressed as \sum_{n=1}^{150}(-n), which is the result of solving the initial expression of the sum -1-(n-1)=-1-n+1=-n.
  • Finally, the sum of n=-1 to n=-150 equals -11,325.
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I ain’t givin u no answer do yo work
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I need help with number 8 and 9 someone please help ASAP
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