3 years ago

How many student chose to participate in the painting class?○8○11○14○17

Mathematics

2 answers:

Likurg_2 [28]3 years ago

5 0

8 students participated

Alinara [238K]3 years ago

5 0

The correct answer is D, 17.

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he width and length of a rectangle (in feet)are consecutive odd integers. If the length is increased by 5 feet, the area of the

Ivanshal [37]

The original area of the rectangle is $35ft^{2}$

<u>Explanation:</u>

width = x

length = x + 2

area of the rectangle = x (x+2)

length = x + 2 + 5 = x+7

$60 = (x+7) (x)\\60=x^{2} + 7x\\x^{2} + 7x - 60 =0\\$

Solving this equation, we get

x =5ft

So, original width = 5ft

original length = 5+2ft = 7ft

Thus, original area of the rectangle = 5 X 7ft = $35ft^{2}$

Therefore, the original area of the rectangle is $35ft^{2}$

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How many student chose to participate in the painting class?○8○11○14○17​

How many student chose to participate in the painting class?○8○11○14○17