The answer is 20 because first you work with what is in parentheses first which is order of operations (15-5), which is equal to 10 and 30-10=20
Let
A(2,5)
B(13,11)
C(13,5)
using a graph tool
see the attached figure
area of triangle=AC*BC/2
distance AC
d=√[(y2-y1)²+(x2-x1)²-----> d=√[(5-5)²+(13-2)²---> d=√[11²]
dAC=11 units
distance BC
d=√[(y2-y1)²+(x2-x1)²-----> d=√[(5-11)²+(13-13)²---> d=√[-6²]
dBC=√36 units-----> dBC=6 units
area of triangle=AB*BC/2-----> 11*6/2----> 33 units²
the answer is
33 units²
Answer:
3.14 x 10^-7
Step-by-step explanation:
move the decimal behind the first significant figure and count the amount of spaces from there to the original decimal place
Take 478 and divide it by 18 and you will get 26.56 now round up to 27 and that is your answer.
Answer:
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Step-by-step explanation:
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