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notsponge [240]
3 years ago
13

Kimberly needs to solve the quadratic equation: x^2 + x – 2 = 2. which statement about how kimberly should solve this equation i

s true?
A.The quadratic formula is the only way to solve a quadratic equation.

B.The quadratic formula is a good method because this quadratic equation cannot be easily factored.

C.The quadratic formula is not a good method because you can factor the equation since -2 is divisible by 1.

D.Kimberly cannot solve this quadratic equation because it is not set equal to 0.
Mathematics
2 answers:
igor_vitrenko [27]3 years ago
4 0

B.The quadratic formula is a good method because this quadratic equation cannot be easily factored.

you just have to get 2 over to the left side of the equation.

Nitella [24]3 years ago
3 0

Answer:

THE ANSWER IS B

Step-by-step explanation:

TTM

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Tukey HSD Interpretation
Mariulka [41]

Answer:

The solution can be defined as follows:

Step-by-step explanation:

They also have a significant outcome in our instance. Its value of F is 1.773, with such a p-value of 0.212 achieved meaning (which is greater than the .05 alpha level). It means that the press with different levels of stress of the stress variable may not differentiate objectively.

Even so, we still do not know which one of the multiple mechanisms is significant. They realize the diff. To do just that, the results of the Tukey HSD test should be regarded.

HSD Tukey

Looking at the Multiple Correlations table below, you will see that mean values were created for the standard deviation among pairs of various stress varying concentrations (High - Low; High - Medium )

This can be seen on one-way ANOVA(1.773, p=.212), there's no statistically significant difference between the groups. A Tukey post hoc study has observed that the increase among medium and high stress is statistically significant, as well as the difference among low, medium, and high stress is important.

4 0
3 years ago
If p stays constant and u is doubled what happens to e? given U=EP
Stolb23 [73]

We are given the expression:

U = E * P

 

The equality symbol “ = “ means that for all cases, the value of U and E * P must always be equal. This means that whatever happens on the left side, must equally happen on the right side.

 

So what this actually means is that, if we double U so we must also double the expression E * P, that is:

2 U = 2 (E * P)

 

However since P stays constant in the process, therefore only E is changed, hence:

2 U = P * 2 E

 

So we can see that E is also doubled.

4 0
4 years ago
Ribbon is only sold by the spool. A spool contains 25 yards of ribbon. Shannon needs 58 yards of ribbon to wrap all the presents
ella [17]

Answer:

\boxed{\text{3 spools}}

Step-by-step explanation:

\text{1 spool =25 yd}\\\text{Spools needed } = \text{58 yd} \times \dfrac{\text{1 spool}}{\text{25 yd}} = \text{2.32 spools}\\\\\text{However, Shannon can't buy part of a spool. She must $\textbf{round up}$ to the next integer.}\\\text{Shannon must buy $\boxed{\textbf{3 spools}}$ of ribbon}

6 0
3 years ago
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Leno4ka [110]

9514 1404 393

Answer:

  d.  The data is continuous because it is connected, without gaps.

Step-by-step explanation:

If you can draw the graph without lifting your pencil, then the data is continuous. That is the case here. The best description is the last one:

  The data is continuous because it is connected, without gaps.

3 0
3 years ago
Need help with proportions please all 3!!
denis23 [38]
For question 4 it will be 416.666666667 so to make it easier you can just put "They have to provide about 416.67 pound of food each day"

7 0
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