Answer:
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For Step 2 try subtraction property of equality, and for step 4 try multiplication property of equality.
Answer:
6/12
Step-by-step explanation:
Note the shaded amount of "parts". You are supposed to put the shaded amount of parts over the <em>total</em> amount of parts.
In the first rectangle, it shows 2 of 3 parts as shaded, and so the fraction is: 2/3
In the second rectangle, it shows 3 of 4 parts shaded, and so the fraction is: 3/4
Finally, the 3rd rectangle shows 6 of 12 parts shaded, and so the fraction is:
6/12
Check by multiplying the fractions across:
(2/3) x (3/4) = (2 x 3)/(3 x 4) = 6/12
6/12 is your answer.
If you need to simplify, divide common factors from both the numerator and denominator, in this case being 6.
(6/12)/(6/6) = 1/2
1/2 is your reduced answer.
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Answer:
x = {-10, 10} (Algebraic)
Step-by-step explanation:
Simplifying
4x2 = 400
Solving
4x2 = 400
Move all terms containing x to the left, all other terms to the right.
Divide each side by '4'.
x2 = 100
Simplifying
x2 = 100
Take the square root of each side:
x = {-10, 10}