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Thepotemich [5.8K]
2 years ago
5

Not sure how to do this

Mathematics
1 answer:
Sergio039 [100]2 years ago
5 0
45 i believe it is i may be wrong!!!
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PLZ DO BOTH PARTS FOR 100 POINTS AND ILL DO ANYTHING!!!!
Kitty [74]

Step-by-step explanation:

<h3>Part A</h3>

<u>Multiply the energy produced in 1 second by the number of seconds:</u>

  • 3.9*10^{33} * 1.55*10^7 = 6.045*10^{40} erg
<h3>Part B</h3>

10⁻³ is same as 0.001 times and 10³ is same as 1000 times.

1.6*1000 = 1600 mm = 160 cm = 1.6 m is way too big for the measurement of the distance between the tracks on a CD.

So the first option is correct.

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3 years ago
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Artyom0805 [142]
The expression is not simplified, because both the numerator and the denominator can be divided evenly
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3 years ago
If (x + 7) is a factor of f(x), what is the value of f(-7)?
rewona [7]

Answer:

The answer is 0.

Step-by-step explanation:

Simply plug in -7 for x as they want to see what the value of the function is when x=-7.

You can then just add -7 and 7.

7 + -7 = 0

So the answer is 0

7 0
3 years ago
What is the ratio 9:189 in lowest terms?
uranmaximum [27]
1:21 divide both digits by 9
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3 years ago
To speed the process of surveying, surveyors use brass metal plates to record important information. The benchmarks, as they are
Agata [3.3K]

Answer:

Feet Above Sea Level

Step-by-step explanation:

A benchmark is a term in Surveying and Geo informatics, that describes a point of reference established at a known elevation which serves as basis in which other elevation or topographical point can be measured.

Therefore, when determining the benchmark, it's height is calculated relative to the vertical datum of the area, typically mean sea level, which is then recorded in FEET ABOVE SEA LEVEL.

Hence, Benchmarks measurements refer to FEET ABOVE SEA LEVEL.

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3 years ago
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