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Tju [1.3M]
2 years ago
13

Help!!! 10 points dhdhdhhhshmsmhsm

Mathematics
1 answer:
Citrus2011 [14]2 years ago
6 0
Second one sorry if i’m wrong
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Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of the function y = 2x2 + 4x –3
egoroff_w [7]
Your vertex would be (-1,-5)
and your axis of symmetry is x=-1
8 0
3 years ago
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Solve for x^2-2x+1=0
seraphim [82]

Answer:

x=1

Step-by-step explanation:

x^2-2x+1=0\\

We will start by using the quadratic formula.

\frac{-(-2)+-\sqrt{(-2)^2-4(1)(1)}}{2(1)}

We will simplify that and get:

\frac{-(-2)}{2(1)}

So our answers would be:

x=1

7 0
2 years ago
The reacttimes data set has 50 observations of human reaction times to a physical stimulus. The reaction times are named times a
scoundrel [369]

Solution: The formula for mean is:

Mean=\frac{\sum x}{n}

Where:

\sum x is the sum of given observations

n is the number of observations

\sum x=87.12

n=50

\therefore Mean =\frac{87.12}{50}= 1.74 rounded to two decimal places

To find the median, we need to first arrange the data in ascending order but we are already given the data in ascending order.

Therefore, the median is:

Median=\left(\frac{n+1}{2} \right)^{th} item

                  =\left(\frac{51}{2} \right)^{th} item

                  =25.5^{th} item

                  =1.52+0.5(1.54-1.52)

                  =1.52+0.01

                  =1.53

Therefore, the median = 1.53

4 0
3 years ago
What is 3 times the sixth power of 10
sergey [27]
3000000...........
10^6 =1000000 (3) = 3000000
7 0
2 years ago
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Because of three scarf is 26. 25. What is the unit price?
Dimas [21]
Each scarf costs $8.75.
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3 years ago
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