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3 years ago

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The thermosphere is one of the layers of Earth’s atmosphere. The temperature in the thermosphere can go as high as 1727°C. When

this number is combined with its additive inverse, the result is zero. Record the additive inverse of this number.

1 answer:

vfiekz [6]3 years ago

3 0

Hey is the time of you getting your in the door this right morning I did

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Select the correct numeral form of this number written in scientific notation. 1.5463 × 10 3

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The answer should be 1546.3 after its worked out.

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Martha earned $180 during the summer doing chores. She bought 3 books worth $14 each using her chore money. How much money was l

Viktor [21]

Answer:

$138

Step-by-step explanation:

We can first turn the words into a mathematical equation by substituting words with the information we have:

Total earning - ( Price of three books)

$180 - (Price of one book x 3)

$180 - ($14 x 3)

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3 years ago

If ON= 5x - 7, LM = 4x+ 4, NM = x -7, and OL =3y-4, find the values of c and y for which LMNO MUST BE a parallelogram.

Sholpan [36]

Answer:

x=11, y=8/3

Step-by-step explanation:

Consider quadrilateral LMNO. If this quadrilateral MUST BE a parallelogram, then

LM=NO

and

LO=MN

Thus,

$\left\{\begin{array}{l}4x+4=5x-7\\ \\x-7=3y-4\end{array}\right.$

Solve this system of two equations. From the first equation:

$4x-5x=-7-4\\ \\-x=-11\\ \\x=11$

Substitute it into the second equation:

$11-7=3y-4\\ \\3y-4=4\\ \\3y=4+4\\ \\3y=8\\ \\y=\dfrac{8}{3}$

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3 years ago

A light bulb consumes 1800 watt-hours per day. how many watt-hours does it cumsume in 4 days and 12 hours

Aneli [31]

the light bulb uses 8100 total watts

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3 years ago