Answer:
the 4 one is it i just did it
Step-by-step explanation:
The formula for finding the area of a square is:
The formula for finding the area of a triangle is:
So for the square the area would be:
The area for the triangle would be:
You can remove the first plus sign to give:
-1.3 -4.9 [ because + x - = - ]
and by the same rule you can remove the the second plus sign to give
-1.3 -4.9 - 2.6
That means option b is out because it is positive.
straight away we can see that option D. equals the result, so it is in the running, so now can we eliminate c and a?
we can eliminate a because the minus ign outside the bracket multiplied by -4.9 inside the bracket produces + 4.9, which is not the answer, so that only leaves c.
once again, a plus sign outside the bracket does not produce -4.9 when muliplied by 4.9 inside the bracket inside option c, so we can eliminate option c.
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Answer (D)
Answer:
Step-by-step explanation:
im pretty sure its a
Answer:
d) x = 8
Explanation:
3x - 5 = 9
(3x / 3) - 5 = 9/3
x - 5 = 3
x (- 5 + 5) = 3 + 5
x = 8
