Answer:
Area = 8 square units
Step-by-step explanation:
use the formula, A=(a+b)
/2*h
A=area
a=base (5)
b=base (3)
h=height (2)
A=(5+3)/2*2
A=8/2*2
A=4*2
A=8
Answer:
25/4
The exact form is 25/4
The decimal form is 6.25
The mixed number form is 6 1/4
Hope this helps!
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10 to the fourth power is 10,000. ;)
Let's use the "elimination by addition/subtraction" method to solve this system for x and y.
<span> -8x=72-16y
4x=-92+16y <= Mult. all 3 terms by 2: 8x = - 184 + 32y
Now combine the following, column by column:
</span><span> -8x= 72-16y
</span>8x = - 184 + 32y
-----------------------
0 = -112 + 16y. Solving for y, 16y = 112, and y = 7.
Now subst. 7 for y in either of the original equations and calculate x:
<span>4x=-92+16(7) => 4x = -92 + 112 = 20. Then x = 5.
Solution is 5, -7 (or, better written) (5, - 7).</span>
