A sample pf a radioactive isotope had an initial mass of 370 mg in the year 2007 and

Mathematics

1 answer:

arlik [135]2 years ago

8 0

Answer:

I need help with this! PLEASE!!! SOMEONE HELP ME!

1.A space shuttle's wings are useless as it travels around the exosphere. Explain, in your own words, why the wings are so useless and how the shuttles can move around.

2.Explain, in your own words, the thermosphere and the stratosphere are our hottest atmosphere layers.

3.Explain, in your own words, how and why “shooting stars” occur. For example, why and what causes meteors to burn up.

4.Explain, in your own words, the importance of our ozone layer in the stratosphere.

5.Explain, in your own words, why weather only occurs in the troposphere.

please use your own words!

Step-by-step explanation:

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numerator of a fraction that has a square root in it (but you don’t have to simplify the denominator with the square root) I alw

Murrr4er [49]

Answer:

Step-by-step explanation:

Not all operations, only multiplication and division is done on both, numerator and denominator. So that the fraction value doesn't change (like eqivalent fractions)

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3 years ago

Solve the equation 2x^2-3x-6=0 give your answer correct to two decimal places

IRISSAK [1]

Answer:

Step-by-step explanation:

2x² - 3x - 6 = 0

Using the quadratic formula

$x = \frac{ - b± \sqrt{ {b}^{2} - 4ac} }{2a}$