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omeli [17]
2 years ago
11

What is 12.28 as a mixed number

Mathematics
1 answer:
kicyunya [14]2 years ago
5 0
12.28 = 12 and 28 hundredths so its 12 \frac{28}{100}
Hope I helped!
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The surface area is 108cm
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3 years ago
Work out the percentage change to 2 decimal places when a price of £110 is<br> decreased to £98.
djyliett [7]

Answer:

10.91% decrease

Step-by-step explanation:

98/110 x 100 = 89.090909

100 - 89.0909 = 10.909090 to 2dp is 10.91%

8 0
2 years ago
Convert the following repeating decimal into a fraction<br> _<br> 0.16
butalik [34]

Answer:  <em>0.16 converted to a fraction is</em> 4/25

4 0
2 years ago
(Will give Brainliest/5 Stars if correct answer)
tensa zangetsu [6.8K]
Answer: Choice D) 
The angle between the two vectors is approximately 71.6 degrees

----------------------------------------------
----------------------------------------------

Work Shown: 

Each time I write the word "dot" I mean "dot product". 

|u| = length of vector u
|u| = sqrt(u dot u)
|u| = sqrt(<8,4> dot <8,4>)
|u| = sqrt(8*8 + 4*4)
|u| = sqrt(64 + 16)
|u| = sqrt(80)
|u| = sqrt(16*5)
|u| = sqrt(16)*sqrt(5)
|u| = 4*sqrt(5)

-----------------------

|v| = length of vector v
|v| = sqrt(v dot v)
|v| = sqrt(<9,-9> dot <9,-9>)
|v| = sqrt(9*9 + (-9)*(-9))
|v| = sqrt(81+81)
|v| = sqrt(2*81)
|v| = sqrt(2)*sqrt(81)
|v| = sqrt(2)*9
|v| = 9*sqrt(2)

-----------------------

u dot v = <8,4> dot <9,-9>
u dot v = 8*9 + 4*(-9)
u dot v = 72-36
u dot v = 36

-----------------------

cos(theta) = (u dot v)/(|u|*|v|)
cos(theta) = (36)/(4*sqrt(5)*9*sqrt(2))
cos(theta) = (36)/(36*sqrt(10))
cos(theta) = 1/(sqrt(10))
cos(theta) = sqrt(10)/10
theta = arccos(sqrt(10)/10)
theta = 71.56505
which rounds to 71.6 when rounding to one decimal place (nearest tenth)

That's why the approximate answer is roughly 71.6 degrees

7 0
3 years ago
Let n be equal to 156% of 70. Which of the following proportions is true?
Zigmanuir [339]

iAnswer: The nature of percentage is defined by 70% if you find the integer per term (the silver ining universaly) 156% is kind of like the end of the silver lining which you can get the answer strategically.

Step-by-step explanation:

8 0
2 years ago
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