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malfutka [58]
3 years ago
6

Which equation represents a quadratic function?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0
Quadratic is where the degree of x is 2
I would think 3 is the one that might have been written as y=x² which would be correct
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Gabrielle is 10 years younger than Mikhail. The sum of their ages is 74. What is Mikhail's age?
Masja [62]

Answer:

Mikhail is 42 years old

Step-by-step explanation:

4 0
1 year ago
Help help help help help
Blizzard [7]

Answer:

x = 12

Step-by-step explanation:

Becuase 6/12 = 2 and 9 + 2 = 11

12

7 0
2 years ago
When finding the margin of error for the mean of a normally distributed population from a sample, what is the critical probabili
svlad2 [7]

Critical probability is the essentially cut-off value. The critical probability when the confidence level of 58% is 0.79.

<h3>What is the critical probability?</h3>

Critical probability is the essentially cut-off value that defines the region where the test statistic is unlikely to lie.

As it is given that the confidence level is 58%. therefore, in order to calculate the critical probability, we need to calculate the margin of error within a set of data, and  it is given by the formula

\rm Critical\ Probability, (P*) = 1-\dfrac{\alpha }{2}

where the value of the α is expressed as,

\alpha= 1 -\dfrac{\rm Confidence\ interval}{100}

Now, as the confidence interval is given to us, therefore, the value of the alpha can be written as,

\alpha= 1 -\dfrac{\rm 58\%}{100} = 0.42

Further, the critical probability, assuming a confidence level of 58% is,

\rm Critical\ Probability, (P*) = 1-\dfrac{\alpha }{2}\\\\\rm Critical\ Probability, (P*) = 1-\dfrac{0.42}{2} = 0.79

Hence, the critical probability is 0.79.

Learn more about Critical Probability:

brainly.com/question/5625386

6 0
2 years ago
Josh is painting all the walls in his room that is 3m x 4m and 2.75m high, How much paint in square feet is needed?
pantera1 [17]

Answer:

33

Step-by-step explanation:

3*4*2.75=33

7 0
3 years ago
1/6(x-5)=1/2(x+6) what is the solution to this equation
Alexandra [31]

Answer:

Exact Form:

x= -23/2

Decimal:

x= -11.5

Mixed Number:

x= -11/2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable

3 0
3 years ago
Read 2 more answers
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