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Olegator [25]
3 years ago
8

A worker at a computer factory can assemble 8 computers per hour.

Mathematics
2 answers:
Andrej [43]3 years ago
8 0
This worker would take 200/8=25 hours, since he makes eight computers an hour and needs to spend enough time to make 200 computers. C is the correct answer.
Levart [38]3 years ago
7 0

the right answer for K12 is C. 25 h

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How do i do question 3 a b c
viva [34]

Answer:

a) 240°

b) 30°

c) 225°

Step-by-step explanation:

To solve these equations you have to use the inverse of the given trigonometric functions. The inverse of <em>sin</em> is <em>arcsin</em>, and the inverse of <em>tan </em>is <em>arctan. </em>Instead of giving an angle, what is its sine?, the question is: given a sine,  what is the angle?.

a)

sin(θ) = -√3/2

θ = arcsin(-√3/2)

θ = -60°

Given the periodicity of sine function, sin(-60°) is equivalent to sin(240°) (-60+180) and sin(300°) (-60+360).

b)

tan(θ) = 1/√3

θ = arctan(1/√3)

θ = 30°

c)

csc means cosecant, by definition:

csc(θ) = 1/sin(θ)

csc(θ) = -√2

1/sin(θ) = -√2

sin(θ) = -1/√2

θ = arcsin(-1/√2)

θ = -45° or 360-45 = 315° or 180+45 = 225°

3 0
3 years ago
A cylinder has a base diameter of 14m and a height of 15m. What is its volume in
BabaBlast [244]

Answer:

2310m^3

Step-by-step explanation:

base area which is the circle = πr^2

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area = π × (7)^2 = 22/7 × 49 = 22 × 7 = 154

Volume = base area × height

= 154 × 15 = 2310

3 0
3 years ago
If a line crosses the y-axis at (0, -4) and has a slope of -2, what is the equation of the line
padilas [110]
-2x-4

slope always goes first and behind that goes x...
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2 years ago
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Answer:

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Step-by-step explanation:

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     8 + 10 = 18 feet of fencing

2. multiply the cost per foot (10) by the number of feet (18)

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4 0
2 years ago
(x³-2x²-5x-2) ÷ (x+1)
riadik2000 [5.3K]

Answer:

x2−3x−2

Step-by-step explanation:

5 0
3 years ago
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