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OleMash [197]
3 years ago
12

Work out the size of angle x.X140°105°​

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
3 0

Answer:

- 65

Step-by-step explanation:

x + 140 + 105 = 180

x + 245 = 180

x = 180- 245 = - 65

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The functions f(x)=−3/4x+2 1/4 and g(x)=(1/2)^x+1 are shown in the graph.
Svet_ta [14]
-3x/4 + 9/4 = (1/2)^x + 1
-3x/4 - 2^-x = -5/4

(Using log rules)

㏑|-3x/4| - ㏑|2^-x| = ㏑|-5/4|
㏑|3x/4| - x㏑|2| = ㏑|5/4|
e^㏑|3x/4| - e^㏑|2|x = e^㏑|5/4|
|3x/4| - 2x = 5/4
|3x| - 8x = 5
|3x-8x| = 5
|-5x| = 5
|5x| = 5
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3 0
3 years ago
A rectagle has a height of 5x and a width of x+2<br><br>area=???​
astra-53 [7]

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Step-by-step explanation:

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-Result:

a=5x^2+10x

5 0
3 years ago
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Step-by-step explanation:

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5 0
3 years ago
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Step-by-step explanation:

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