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Eduardwww
14 days ago
15

two rulers and one pencil cost £2.40 five rulers and one pencil cost £5.10 work out the cost of a ruler and the cost of a pencil

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Mathematics
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Triangle QRS is a right triangle with the right angle at vertex R. The sum of m∠Q and m∠S must be equal to 45°. greater than 45°
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Answer:

     The angles m∠Q and m∠S together equal 90°

Step-by-step explanation:

A right angle measures 90°.

The total measure of angles in a triangle sums to 180°.

This gives us:

m∠Q + m∠S + ∠R = 180°

m∠Q + m∠S + 90° = 180°

Rearranging yields:

m∠Q + m∠S = 180° - 90°

m∠Q + m∠S = 90°

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2 months ago
Jamie is the accountant of a logistics company. In the month of December, $5,000 of wages remained unpaid. The accounting period
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Wages expenses. 5000
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Insect Weights Consider a dataset giving the adult weight of species of insects. Most species of insects weigh less than 5 grams
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Detailed explanation:

Weighing 71 grams would certainly categorize as a high outlier, while the majority of insect species typically weigh significantly less.  Consequently, this weight distribution's graph would be skewed to the lower end, or leftward.

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2 months ago
Beth wrote a system of equations to determine when a referee will earn the same salary working the East Conference and West Conf
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Answer:

She is mistaken

Step-by-step explanation:

Step 1: input

135 for x in both equations

Step 2: Solve those equations. This will yield y = 5375 for the first equation and y = 4720 for the second, indicating that she is incorrect

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Two independent simple random samples are taken to test the difference between the means of two populations whose variances are
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I believe it is 72 degrees of freedom.
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