3 years ago

Identify the square root of 2 as either rational or irrational, and approximate to the tenths place

Mathematics

1 answer:

Pie3 years ago

6 0

Answer: Irrational

Step-by-step explanation:

It is irrational because you cannot multiply a number by the same number to get the square root of 2.

I think the approximation is 1.4 or 1.42

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Wilmer went up a hill for x minutes at a speed of y kilometers per minutes. Then he went down the same path at a speed of z kilo

dedylja [7]

Answer:

$xy=wz$

Step-by-step explanation:

Given that:

Speed of Wilmer up the hill = $y$ km/min

Time taken up the hill = $x$ minutes

Speed of Wilmer down the hill = $z$ km/min

Time taken up the hill = $w$ minutes

Distance can be calculated by multiplying the Speed with Time i.e.

The formula for distance is given as:

$Distance = Speed \times Time$

Distance up the hill = $y\times x =xy\ kilometers$

Distance down the hill = $z\times w =wz\ kilometers$

It is well known that, the distance up the hill and down the hill will be same.

Putting both the values equal, we get:

$xy=wz$

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2 years ago

Need help with this question!

rosijanka [135]

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3 years ago

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A circle with radius 4 centimeters.

Vaselesa [24]

Answer:

16pi cm2

Step-by-step explanation:

Area of a circle = pi * radius * radius = pi * 4 cm * 4 cm = 16pi cm2

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3 years ago

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A second number is 9 times a first number. A third number is 100 more than the first number. If the sum the three numbers is 694

Ierofanga [76]

Answer:

54, 486, 154

Step-by-step explanation:

x+9x+100+x= 694

11x= 694-100

11x=594

x= 54

54×9=486

54+100= 154

54+486+154=694.

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Answer:

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Step-by-step explanation:

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