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lara [203]
3 years ago
15

I need help asap :):):):

Mathematics
2 answers:
KiRa [710]3 years ago
6 0

Answer:

\frac{1}{2} k + 2.5 = 7

Step-by-step explanation:

\frac{1}{2} (k + 5) = 7 \\  \frac{1}{2} k + 2.5 = 7

Anestetic [448]3 years ago
6 0

Answer:

B

Step-by-step explanation:

1/2 times 5 is 2.5 and 1/2 times k is 1/2k

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What is 63/80 as a percent?
Romashka [77]
63/80 x 100 = 78.8%

You divide normally but multiply by 100 (moving the decimal over two places).
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McBurger has about 1.9 x 106 employees and each makes on average 25,000 dollars per year
svlad2 [7]

Answer:

??? No solution???

Step-by-step explanation:

1.9x106=201.4

201.4x25000=5035000

5035000=5.035x10^6

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charle [14.2K]

Answer:

no

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The value of a small airplane depreciates exponentially every year after it is purchased. The value, in thousands of dollars, a(
ratelena [41]

Using an exponential function, it is found that the number 131.5 represents the initial value of the plane, in thousands of dollars.

<h3>Exponential function:</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

In this problem, the function for the value of the airplane after t years is given by:

A(t) = 131.5(0.8)^t

Hence A(0) = 131.5, which means that the number 131.5 represents the initial value of the plane, in thousands of dollars.

To learn more about exponential functions, you can take a look at brainly.com/question/8935549

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2 years ago
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You play a game that involves rolling a die. You can roll as many times as you want, but if you roll a six your score is zero an
anyanavicka [17]

Answer:

6

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Expected no. of trials for first 6:

1 ÷ (1/6) = 6

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