The answer you chose is indeed correct!
Vertex form of a quadratic is y = a(x - h)^2 + k.
( h , k ) is the vertex and in the problem the very is ( 1, -3) so plug that in and:
y = (x - 1 )^2 + (-3) this is equal to:
y = (x -1)^ 2 - 3
hope this helps c:
The number of pounds of copper in 120 pounds of brass is = 78 pounds of copper
<h3>Calculation of number of pounds of copper</h3>
The percentage of copper in the brass = 65%
Therefore the quantity of copper in the brass = 65/100= 0.65 pounds
This means that 1 pound brass contains = 0.65 pounds of copper
The quantity of copper in 120 pounds of brass = 120 * 0.65
= 78 pounds of copper.
Learn more about copper here:
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Answer:
No Solution
Step-by-step explanation:
There is no solution because the sq.root of -32 is a imaginary number, you can't have a square root of a negative number.
Answer:
See the attached image for the answers and the working out.
Step-by-step explanation:
Find the Greatest Common Factor (GCF)
of 48 and 3
GCF = 3
We can reduce the fraction by dividing
the numerator and denominator by 3
<span><span>48 ÷ 33 ÷ 3</span>=<span>161
</span></span>
Dividing 16 by 1 we get
<span>=<span>16</span></span>
