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alexandr1967 [171]
3 years ago
6

NEED HELP ASAP!!

Mathematics
1 answer:
Ksju [112]3 years ago
7 0

Answer:

i) 2x² + 4x + 7x + 14

= 2x² + 11x + 14

ii) 2x² - 5x - 12x + 30

= 2x² - 17x + 30

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What is the range of the following set? 48, 47, 54, 55, 52, 48, 46, 53, 45
umka2103 [35]

Answer:

10

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the range is the difference between the biggest and the smallest number

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creativ13 [48]
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Ben was paid less than $240 for working 4 days. He was paid $90
irina1246 [14]

Answer:

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3 years ago
6. a semicircle has as its diameter the hypotenuse of a right triangle shown below. determine the area of the semicircle to the
jeyben [28]

Answer:

A = 137.3cm^2

Step-by-step explanation:

Given

See attachment

Required

The area of the semicircle

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\cos(68) = \frac{7}{h} --- cosine formula

Make h the subject

h = \frac{7}{\cos(68)}

h = \frac{7}{0.3746}

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The area of the semicircle is then calculated as:

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This gives:

A = \frac{3.14 * 18.7^2}{8}

A = \frac{1098.03}{8}

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7 0
3 years ago
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