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Novay_Z [31]
2 years ago
14

Mikhael is a technical writer. He is paid $2.95 a page. A normal job has 600 pages and requires about 225 words per page. Mikhae

l types at 90 words per minute.
About how much will Mikhael receive for his work? Estimate how many hours it will take him to complete the job.

$____ for _____hours
Mathematics
1 answer:
Sedaia [141]2 years ago
7 0

Answer:

$1770 for 25 hours

Step-by-step explanation:

600 × 225 = 135000

135000 ÷ 90 = 1500 min

1500min=25 hours

$2.95×600= $1770

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A regular octagonal pyramid. Each side of the base is 6 cm long. it has a height of 10cm. Find the surface area of the pyramid​
attashe74 [19]

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Answer:

  470.16 cm²

Step-by-step explanation:

The apothem of the base is used for two purposes: to find the area of the base, and to find the slant height of each face.

The apothem of the base for side length s is ...

  s/2 = a·tan(π/8)

  a = s/(2·tan(π/8)) ≈ 7.24 cm

The slant height of a triangular face is found using the Pythagorean theorem. The apothem of the base and the height are legs of the right triangle whose hypotenuse is the slant height. For slant height x, we have ...

  x² = 10² + a² = 100 +52.46

  x ≈ √152.46 ≈ 12.35

__

The area of the 8 triangular faces will be ...

  A = 1/2Px . . . . where P is the perimeter of the pyramid

The area of the base will be ...

  A = 1/2Pa

So, the total surface area is ...

  A = 1/2P(a + x) = (1/2)(8)(6 cm)(7.24 +12.35 cm) ≈ 470.16 cm²

8 0
3 years ago
Read 2 more answers
If R = 10b 2 and b = 5, then R =
Luden [163]
I’m not exactly sure what the question is asking, but assuming that the equation is r=10b^2, then the answer would be r=40.
6 0
3 years ago
Find the value of x. Leave answers if necessary in the simplest radical form.
shtirl [24]

Answer:

<h2>x = 10√3</h2>

<u>Step-by-step explanation:</u>

cos 45° = base / hypotenuse

1/√2 = base / 15√2

15√2 = base√2

Base, = 15

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hypotenuse = x

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x √3 = 30

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6 0
3 years ago
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How do u factor..<br>x^2 + 10× - 2400 = 0 ​
Lunna [17]

Answer:

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3 0
3 years ago
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Look at the example problem. Suppose Alana walks 6.6 miles the next day. Complete the steps below to find the number of miles sh
alexandr402 [8]

Answer:

Looking at the example Alana will walk. 15.23 miles in two days

step-by-step explanation:

Looking at the example and using place value system

8.63 + 6.60= 15.23 miles

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