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Lisa [10]
3 years ago
11

Please helpppppoooooppppppp

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

3.5 hours of studying to get a 75 on the exam.

Step-by-step explanation:

The y intercept in the graph is 40. This means that the constant in the linear equation is 40.

The slope of the equation is 10 because after the variable x travels one interval, the y travels 10.

To get the hours a student need to get 75 on the exam, we set the equation equal to 75.

75 = 10x + 40 where x = hours studied.

75 - 40 = 10x

x = 35/10

x = 3.5 hours

brilliants [131]3 years ago
3 0
N o o o o o o o o o o o o o o o o o o o o o o o
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3 years ago
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Last Wednesday, students could choose ham or turkey sandwiches for lunch. The cafeteria made 50 sandwiches in all, 5 of which we
PSYCHO15rus [73]

Answer:

90%

Step-by-step explanation:

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4 years ago
What is the volume of a right circular cone that has a height of 14.9 cm and a base with the circumference of 2.9 cm rounded to
xxMikexx [17]

Answer:

The answer to your question is  Volume = 3.30 cm³

Step-by-step explanation:

Data

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height = 14.9 cm

circumference = 2.9 cm

Process

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   r = 2.9/2π

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2) Calculate the volume of the cone

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3 years ago
What is 9+-234*37^2-38/483
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A math teacher gets a starting salary of $30,000. IF she gets a 1.5% increase in salary each year, what will her total income be
kolezko [41]
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Year            1,             2,                       3,.........................., 30.
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Her Total Income is sum over the thirty 30 year period:

Sn =  a(r^n  - 1) / (r - 1);                a = 30000,  r = 1.015,  n = 30

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Total =  $ 1 126 160.44

5 0
3 years ago
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