Answer:
A, complementary angles sum up to 90°
3x + 1 = (x-1)^2
3x + 1 = x^2 - 2x + 1
0 = x^2 -5x
0 = x(x-5)
x = 0,5
Hope this helps!
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Total cost equals the yearly fee price plus $14 times number of hours.
T= total cost
n= number of hours
Equation:
T= $199 + $14n
Hope this helps! :)
If its 20 more than last month that means x + $20 = $70, solve that and you get x = $50, last month she saved $50
<em>5 to the 2nd power times 5 to the 2nd power is equivalent to 625</em>
<h2>
Explanation:</h2>
In this case, we have the following statement:
<em>5 to the 2nd power times 5 to the 2nd power. </em>In a mathematical language:
From product rules, we know that:
Applying this rule to our problem:
<em>5 to the 2nd power times 5 to the 2nd power is equivalent to 625</em>
<h2>
Learn more:</h2>
Rules of exponents: brainly.com/question/12140557
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