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Jobisdone [24]
3 years ago
14

What is an atom? be friends​

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0

Answer:

atom is the smallest particle of an element that exists

iris [78.8K]3 years ago
6 0
Its a chemical element, and it is surrounded by electrons.
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George and Paul use a metal alloy that is 18.1% copper to make jewelry. How many ounces of an alloy that is 14% copper must be m
ella [17]

Answer:

Use 49 ounces of the 14% allow and 41 ounces of the 23% alloy.

Step-by-step explanation:

Each ounce of the 14% copper contains 0.14 ounce of pure copper.

Each ounce of the 23% copper contains 0.23 ounce of pure copper.

Each ounce of the 18.1% copper contains 0.181 ounce of pure copper.

Use x ounces of the 14% and y ounces of the 23% to make 90 ounces of 18.1% alloy.

x+y  = 90

y = 90-x

0.14x + 0.23y = 0.181·90

0.14x + 0.23(90-x) = 16.29

0.14x + 20.7 - 0.23x = 16.29

-0.09x + 20.7 = 16.29

4.41 = 0.09x

x = 49

y = 90-x = 41

Use 49 ounces of the 14% allow and 41 ounces of the 23% alloy.

7 0
2 years ago
PLEASE HELP ME FAST!!!!!!!!11
elena-14-01-66 [18.8K]
I think it’s the second one please correct me if I’m wrong not perfect at this
7 0
3 years ago
JK is tangent to OG at point K, m2JKG = (x+¹3¹), and m2KGJ = (x+2). What is<br><br> mzJGK=
brilliants [131]
Ok ok fine here is the answer

3 0
3 years ago
HELP please! ‍♂️<br><br> Last one is 0.5 &lt; x &lt; 1.5<br><br> And none
Ket [755]

1.5 is lesser than 0.5. Oh, wait nevermind I meant to say -1.5 is lesser than 0.5

3 0
3 years ago
Chloe was building a Lego tower . She built it with 973 stories and with 53 blocks on each story . How many Lego blocks would sh
UNO [17]

Answer:

at least 51,569 blocks ( same as 51569)

Step-by-step explanation:

973 * 53

3 0
3 years ago
Read 2 more answers
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