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Vsevolod [243]
3 years ago
12

NEED HELP FAST!

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer:

I believe it’s the last one.

Step-by-step explanation:

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A road bike has a wheel diameter of 622 mm. What is the circumference of the wheel? Use 3.14 for π?
Mkey [24]
That would be 1953.08
diameter = <span>circumference/pi, so reverse it and multiply 622 by 3.14</span>
3 0
3 years ago
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What is the value of "w" ?
NISA [10]

Answer:

w = \sqrt{147}

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

w² + 7² = 14²

w² + 49 = 196 ( subtract 49 from both sides )

w² = 147 ( take the square root of both sides )

w = \sqrt{147}

3 0
3 years ago
1. A Babylonian tablet found in 1936 shows that the Babylonians sometimes used a more accurate value of π than 3. They determine
madreJ [45]

Answer:

<h2>1/4</h2>

Step-by-step explanation:

Area of a circle is given as πr² and its circumference is expressed as 2πr.

If the babylonians determined the area of a circle by taking it as equal to the square of the circle’s circumference then;

Area of circle = (circumference of a circle)²

πr² = (2πr)²

πr² = 4π²r²

Dividing both sides of the equation by πr² we have;

\frac{\pi r^{2}  }{\pi r^{2}  } =\frac{4\pi^{2}  r^{2}  }{\pi r^{2}  }\\1 = 4\pi \\\pi =\frac{1}{4}

The value of π this yields is 1/4

6 0
3 years ago
Please find Area of triangle
horrorfan [7]

Answer:

60

Step-by-step explanation:

Side A would end up being 15 and then to find the area you would use your formula 1/2 × base × height.

4 0
2 years ago
Solve log (7x + 7) = 1. Round to the nearest thousandth if necessary. 0.429 2.333 1.143 0.875
frez [133]

Step-by-step explanation:

log(7·x + 7) = 1

7·x + 7 = 10^1

7·x = 10 - 7

x = 3/7 = 0.4285714285

3 0
3 years ago
Read 2 more answers
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