4 years ago

The length of the minute hand is 150% of the length of the hour hand.

Mathematics

1 answer:

tangare [24]4 years ago

7 0

The hour hand is 30 mm hope this is right

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There are two interleaved arithmetic sequences here.

Odd terms are 5, 7, 9, 11, increasing by 2 each time.

Even terms are 1, 0, -1, decreasing by 1 each time.

The next two terms will be -2, 13.

6 0

4 years ago

Use the quadratic formula to find both solutions to the quadratic equation given below 4x^2+3x-1=0

Aneli [31]

4x² + 3x - 1 = 0
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Quadratic formula:
x = $\frac{-b +/- \sqrt{b^{2} -4ac} }{2a} = \frac{-3 +/- \sqrt{3^{2} - 4(4)(-1)}}{2(4)}$
= $\frac{-3 +/- \sqrt{9 + 16}}{8} = \frac{-3 +/- \sqrt{25}}{8} = \frac{-3 +/- 5}{8}$
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= $\frac{2}{8}$ , $\frac{-8}{8}$
= $\frac{1}{4}$ , -1

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3 years ago

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NISA [10]

Not using PEMDAS, (15/3)+(7x6), which equals 47

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3 years ago

Simplify the expression: 6a + 9b - c - 9a +2b + 3c

tatuchka [14]

Answer:

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