2 years ago

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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Nasrin invested $6000 in a bond at a yearly rate of 3%. She earned $450 in interest. How long was the money invested?

Alenkasestr [34]

4 years

6000 x .3 = 1,800. 1800 divided by 450 = 4

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2 years ago

a shop is having a sale. all items are reduced by 20%.work out the sale price of an item normally priced at £37

Nookie1986 [14]

Answer:

£29.6

Step-by-step explanation:

37/5=7.4

37-7.4=29.6

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3 years ago

A bakery sells 2 croissants for $3 they sold 31 croissants on Monday, how much money did they make

Alisiya [41]

Since 2 croissants = $3 we can work out that 1 croissant = $1.50

Multiply $1.50 by 31 and we get $46.50

Therefore 31 croissants is $46.50

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3 years ago

8+ negative one plus -3 as an integer

Zolol [24]

8+~1-3=4
Explanation-
8-1 is the same as 8+~1 so=7
7-3=4

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3 years ago

Quart cartons of milk should contain at least 32 ounces. A sample of 22 cartons was taken and amount of milk in ounces was recor

victus00 [196]

Answer:

32 oz

Step-by-step explanation:

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3 years ago