What are the coefficients in the polynomial 5x^2 + 2x - 4?

Mathematics

2 answers:

stiv31 [10]3 years ago

8 0

Answer:

I think the answer is A

Step-by-step explanation:

Sphinxa [80]3 years ago

6 0

A) 5, 2
Because a coefficient is the number in front of the variable, and the variable is x.

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Alexxx [7]

Answer:

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Step-by-step explanation:

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3 years ago

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Write an expression using the product of 7×63

Rama09 [41]

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2 years ago

The diagram below gives the dimensions of a swimming pool. 18 ft , 20ft, 36ft (c) What is the total area of the swimming pool? E

WARRIOR [948]

The picture in the attached figure

Part 1) What is the total area of the swimming pool?

we know that
area of the swimming pool=area rectangle-area semi circle

area rectangle=20*36-----> 720 ft²

area semicircle=pi*r²/2
r=18/2----> 9 ft
area semicircle=pi*9²/2----> 127.17 ft²

area of the swimming pool=720 ft²-127.17 ft²----> 592.83 ft²

the answer Part 1) is
The area of the swimming pool is 592.83 ft²

Part 2) What is the perimeter of the swimming pool?

perimeter of the swimming pool=perimeter of rectangle-18 ft+perimeter semi circle
perimeter of rectangle=2*[20+36]---> 112 ft

perimeter semi circle=2*pi*r/2----> pi*r
r=9 ft
perimeter semi circle=pi*9----> 28.26 ft
so
perimeter of the swimming pool=112 ft-18 ft+28.26 ft----> 122.26 ft

the answer Part 2) is
122.26 ft