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slega [8]
3 years ago
11

A typical television newscast has three cameras. The center camera directly faces the news anchors desk. The other two cameras a

re both angled 45 degrees away from the center camera. Suppose each camera has a field of 60 degrees. What is the total angle covered by the three cameras?
Mathematics
1 answer:
Mnenie [13.5K]3 years ago
7 0
<span>150 degrees. Let's assume the center camera is pointed to at an angle of 0 degrees. Since it has a coverage of 60 degrees, then it will cover the angles from -30 to +30 degrees. Now we'll continue to use the +/- 30 degree coverage for the other two cameras. The second camera is aimed at 45 degrees, so it's range of coverage is 15 degrees to 75 degrees (45 +/- 30). Notice that the range from 15 degrees to 30 degrees is covered by 2 cameras. Now the 3rd camera is pointed at -45 degrees, so its coverage is from -15 degrees to -75 degrees. It also has an overlap with the 1st camera from -15 to -30 degrees. The total coverage of all three cameras ranges from -75 degrees to 75 degrees. That means that an arc of 150 degrees in total is covered by all three cameras.</span>
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HELP ME PLEASE! 30 points
exis [7]

Answer:

C=14

Step-by-step explanation:

To find the minimum value, graph each of the inequalities. After graphing each inequality, test a point and shade the region that satisfies the inequality. Once all inequalities have been shaded, find the region where they all overlap. The region will be bounded by intersection points. Test each of these points into C=x+3y. The least value for C is the minimum.

(14,0)                  (0,17.5)                   (3.08,3.64)

C=14+3(0)           C=0+3(17.5)           C=3.08 + 3(3.64)

C=14                   C=52.5                   C=14

7 0
3 years ago
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What is 13\15-1\5 and what is the simplified answer
valentinak56 [21]
13/15 - <span>1/5 </span>
<span>common denominator is 15 </span>
<span>Multiply numerator and denominator of 1/5 by 3 = 3/15 </span>
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2/3 is your answer.</span>
4 0
3 years ago
When x =6 y=2 <br><br> What is:<br> 2(3x-6y)^2
ikadub [295]

Answer:

72

Step-by-step explanation:

We first substitute x = 6 and y = 2 into the equation

2(3 x (6) - 6 x (2)) ^ 2

First we multiply all the numbers in the bracket

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Now we minus the numbers in the bracket

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Now we use the indice rule to do 6^2 which is 36

And then we multiply 36 by 2 which is 72

Hope it helps :)

3 0
2 years ago
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stiv31 [10]

Answer:

D. they played 30 games in total

Step-by-step explanation:

By a process of elimination we can determine that D is the answer.

30 is the only answer that gives 12 when multiplied by 0.40

in other words, 12 is 40% of 30

4 0
3 years ago
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blagie [28]

Answer:

B. 4

Step-by-step explanation:

We are looking for the coefficient of the term x⁵. When we see it in the polynomial as 4x⁵, our coefficient and answer would then be 4.

4 0
3 years ago
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