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3 years ago

Sean took 6 tests and currently has an average of a 90. His range of his scores was 18 and the mode of the test scores is 89.

Mathematics

2 answers:

Sedaia [141]3 years ago

8 0

Answer:

Below.

Step-by-step explanation:

Total scores = 6*90 = 540.

He had more than one 89 ( mode) and max score - min score = 18.

Let max score = x then min = x-18.

Lets say he has 3 89's then

x + x - 18 + 3*89 + y = 540 where y is another score then:

2x + 249 + y = 540

2x + y = 291

x = 98 and y = 95 will fit this so the 6 scores could be

80, 89, 89, 89, 95, 98.

horrorfan [7]3 years ago

4 0

Answer:

what is the question?

Step-by-step explanation:

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3 years ago

3x + ky = 8

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Answer:

(a): x is 3 and ky is -1

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Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

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3 years ago

This year 426,731 people visited a water park.last year 102,865 fewer people visited the park the year the park opened 84,007 fe

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Answer:

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