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elena55 [62]
2 years ago
8

Brian asked a group of people their favourite holiday destination.

Mathematics
1 answer:
AleksAgata [21]2 years ago
4 0

Answer:

3/4°

Step-by-step explanation:

84+72+108+60+156= 480 people

480*x= 360°

x= 360°/480= 3/4°

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ryzh [129]

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vertical angle theorem

Step-by-step explanation:

angles that are opposite of  each other and formed by two intersecting straight lines, are congruent.

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Comparing Order of Magnitude A biologist estimated the number of cells in a culture sample as 1.3 × 102. One week later, he look
Assoli18 [71]

Answer:

3 * 10^3 in scientific notation.

3,000 in standard notation.

Step-by-step explanation:

We divide:

3.9 *10^5 / 1.3 * 10^2

= ( 3.9/1.3) * (10^5 / 10^2)

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4 0
3 years ago
Read 2 more answers
What is the ratio of CDs & DVDs
Karo-lina-s [1.5K]
A. 2:1
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3 years ago
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jolli1 [7]

Answer:

y = 5cos(πx/4) +11

Step-by-step explanation:

The radius is 5 ft, so that will be the multiplier of the trig function.

The car starts at the top of the wheel, so the appropriate trig function is cosine, which is 1 (its maximum value) when its argument is zero.

The period is 8 seconds, so the argument of the cosine function will be 2π(x/8) = πx/4. This changes by 2π when x changes by 8.

The centerline of the wheel is the sum of the minimum and the radius, so is 6+5 = 11 ft. This is the offset of the scaled cosine function.

Putting that all together, you get

... y = 5cos(π/4x) + 11

_____

The answer selections don't seem to consistently identify the argument of the trig function properly. We assume that π/4(x) means (πx/4), where this product is the argument of the trig function.

4 0
3 years ago
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