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2/9 - 7/12
First, multiply to find a common denominator. Multiply both pieces of the left fraction by 12, and both pieces of the right fraction by 9.
24/108 - 63/108 = -39/108 = -13/36
a= -13
b= 36
well, let's see, let's start off with the seconds then minutes and lastly degrees.
seconds
38" + 44" = 82" , but since 60" is 1', 82" is really 1' and 22"
minutes
29' + 39' = 68' , now, let's add the 1' and 22" to that, that'd make it 69' and 22", but we know that 60' is 1°, so 69' and 22" is really 1° 9' and 22".
degrees
57° + 16° = 73° , and now let's add the 1° 9' 22", that'd make it 74° 9' 22".
Answer:
C. 503.6
Step-by-step explanation:
The shape is a square and the missing value is the area of the square.
Because it is a square the value of one side is the same for all sides.
The value for the side bordering the triangle is 22.44 so all other sides are 22.44 as well.
22.44 * 22.44 = 503.55 which rounded to the nearest tenth is 503.6.
