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3 years ago

The perimeter of a rectangular field is 60ft and its width is 20ft find the area of this field

Mathematics

2 answers:

exis [7]3 years ago

5 0

Answer:

Step-by-step explanation:

Gennadij [26K]3 years ago

4 0

Perimeter of rectangle = 2( length +width)

given: Perimeter=60 ft and width=20 ft

plugging these values in the formula,

60=2(20+ length)

dividing both sides by 2

30=20+length

length =30-20=10

length is 10 feet

width is 20 feet

Area of rectangle is given by:

Area = l*w

Area = 10 *20 = 200 square feet

Answer : Area of rectangle is 200 square feet.

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2 years ago

What is the value of the expression 5x2 + 2x when x = 5?

masha68 [24]

Answer:

135

Step-by-step explanation:

Given:

$x = 5$

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$\implies 5x^{2} + 2x$

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