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alexdok [17]
3 years ago
7

Is 1/2 √9 *√4 rational or irrational​

Mathematics
1 answer:
zloy xaker [14]3 years ago
6 0

Answer:

1/2 and 9 is rational but 4 is not

Step-by-step explanation:

A rational number is a number that can be written as a ratio. That means it can be written as a fraction, in which both the numerator (the number on top) and the denominator (the number on the bottom) are whole numbers.

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Write an equation for a line parallel to y=−4x+5 and passing through the point (4,-21)
Sindrei [870]

Answer:

Y=-4x-5

Step-by-step explanation:

-21=-4(4)+b

-21=-16+b

b=-5

y=-4x-5

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What is the formula to find the area of a triangle? choose all that apply​
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the second and thrid one :)

Step-by-step explanation:

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What is the first step you will use to solve this equation:
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James throw a ball from the root of a building. The ball fell 3 feet in the first second, 9 feet in the next second, and 27 feet
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D=1/2.g.t^2,


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7 0
3 years ago
At another theater, workers have to cut a new trap door. The door can be no more than 137 square feet in area, with whole-number
otez555 [7]

Answer:

Step-by-step explanation:

Given:

trap door = 130 square feet.

1st item: 6ft 5in wide & 8ft 9in long

⇒ (6ft * 12 in) + 5 in & (8ft *12 in) + 9 in

⇒ 77inches by 105 inches

⇒ 8,085 square inches

2nd item: 13ft 4in wide & 7ft 8in long

⇒ (13ft * 12in)+ 4 in & (7ft *12in) + 8 in

⇒ 160 inches by 92 inches

⇒ 14,720 square inches

3rd item: 5ft 6in wide & 12ft 4in long

⇒ (5 ft * 12in) + 6 in & (12ft * 12in) + 4in

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⇒ 9,768 square inches

130 square feet convert to square inches.

130 sq. ft * 144 sq.in/sq.ft = 18,720 sq. in

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P = 2(277)

P = 554 inches

4 0
2 years ago
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