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Ratling [72]
3 years ago
7

How did the temperature change if: at first it decreased by 10 % and then decreased by 30% ?

Mathematics
2 answers:
MAVERICK [17]3 years ago
8 0

Answer:

Decreased by 40%!

Step-by-step explanation:

At first it goes down by 10%, then 30%, so you just add them together and get decreased by 40%.

NARA [144]3 years ago
4 0

Answer: -37%

Step by Step Sol: 100=x

10% of 100 equals 10

100-10 = 90

30% of 90 equals 27

90-27 = 63

63-100 equals -37

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8 0
2 years ago
PLEASEEEEE HELPPPPP!!!!
Dmitry_Shevchenko [17]

Step One

Find AM

Formula

AM = MN - AN

Givens

MN = 67.2

AN = 32

Solution

AM - 67,2 - 32

AM = 35.2

Step Two

Set up a solution

67.2/35.2 = 81.9/x            Cross Muliply

67.2 * x   =    81.9 * 35.2   Combine the right

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3 0
3 years ago
Please help me this is my test I'm stuck on this one
Tema [17]
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8 0
2 years ago
Can I have help on this?<br><br><br>​
AysviL [449]

Answer:

25°

Step-by-step explanation:

51+x+14=90°

x+65=90°

x=90-65

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6 0
2 years ago
A bill for the repair of a laptop was $249. The cost of the parts was $84, and the labor charge was $55 per hour. How many hours
jek_recluse [69]
3 hours.
Explanation
249 total - 84 already paid (for parts) is
165.
165
divided by
55 dollars an hour
is
3 hours worked on repairing.
6 0
3 years ago
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