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Oksana_A [137]
3 years ago
7

How do you convert 7/20 to a percent

Mathematics
2 answers:
lawyer [7]3 years ago
6 0
\frac{7}{20} =  \frac{7*5}{20*5} =  \frac{35}{100} = 35%
Law Incorporation [45]3 years ago
5 0
7/20= 0.35
0.35×100= 35%
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VladimirAG [237]
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3 0
3 years ago
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Please answer this question <br><br> 2x^2 = 3x
Anika [276]

Answer:

x = 1.5

Step-by-step explanation:

2x^2 = 3x

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3 0
3 years ago
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PLEASE HELP!!!!
grandymaker [24]
10 is 20 degrees

11 is 180-145= 35 degrees

12, so the way you do it is by the fact that one opposite exterior angle is equal to two interior angles, so 40+46= 86 degrees.

8 is 86-35= 51 degrees

9 is 29 plus 62 equals 91 degrees.

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3 0
3 years ago
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Please help me with this homework
beks73 [17]
Absolute value can never be negative
Absolute value: | |

| 1 | ( ) 5

1 ( ) 5
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6 0
2 years ago
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A body was found at 10 a.m. in a warehouse where the temperature was 40F. The medical examiner found the temperature of the body
lawyer [7]
Newton's law of cooling states that under forced convection (which is assumed to be true), then
dT(t)/dt = -k(T(t)-Ta)..............(1)
T(t)=temperature
Ta=ambient temperature=40F
k=cooling constant = 0.1947
T(0)=98.6F (assuming victim did not have fever)
Integrate (1)
T(t)-Ta=(T(t)-T(0))e^(-kt)
Solve for t
(T(t)-Ta)/(T(t)-T(0)) = e^(-kt)
take log:
-kt=log_e((T(t)-Ta)/(T(t)-T(0)))
substitute T(t)=80F, Ta=40F,T(0)=98.6F
-kt=log_e((80-40)/(98.6-40))=-0.38186
t=0.38186/0.1947
=1.96, or almost 2 hours   (assuming k=0.1947 is in hours)
7 0
3 years ago
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