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SVEN [57.7K]
3 years ago
14

Explain whether each equation is a linear equation.

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
8 0

Answer:

3. Not linear

4. Linear

Step-by-step explanation:

3. The equation has an exponent on the x. Since x is squared the graph is a parabola. The graph is a curve, not a line, so it is not linear.

4. Both the x and y have no exponent (which is an exponent of 1) The graph will be a line. This is a linear function.

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Researchers want to determine if caffeine affects reaction time. They divide a sample of 150 people into 3 groups. Group 1 gets
11111nata11111 [884]

Answer:

One-way ANOVA

Step-by-step explanation:

One-way ANOVA(analysis of variance) a testing method in statistics that is used to compare the means of two or more independent samples, to check if the differences are statistically significant.

In this case, we have three groups which their various reaction time to caffeine is to be tested using the same testing method (amount of caffeine). Hence the appropriate test to use here is the one-way ANOVA

7 0
3 years ago
What is 0.467 + 0.025?<br> O A. 0.442<br> B. 0.4695<br> C. 0.492<br> OD. 0.717
enyata [817]

Answer:

C. 0.492

Step-by-step explanation:

All I did was add the two numbers. Add them like normal, even though they are in decimal form. You could also use a calculator. If you don't have one, there should be one programed into your phone and computer.

  0.467

+ 0.025

= 0.492

I hope this helps! Please let me know if you have any more questions or need any more help. Have a great day!

5 0
3 years ago
PLS HELP ASAP (picture attached below"
givi [52]

Answer:

14 for x and 42 for y

Step-by-step explanation:

6 0
4 years ago
Kathleen jarred 12 liters of jam after 4 days. How much jam did Kathleen jar if she spent 6 days making jam? Assume the relation
Alona [7]

Given parameters:

Number of liters of jam = 12 liters

Number of days = 4 days

Unknown:

Number of jams jarred in 6 days = ?

Solution:

Let us first find the rate of Kathleen in this jarring work;

     Rate  = \frac{Number of jams}{Number of days}

     Rate  = \frac{12}{4}   = 3liters/day

Now, the number of jams in 6days;

    Number of jams = Rate x number of days

    Number of jams = 3 x 6  = 18jams

The number of jams jarred in 6 days is 18

4 0
3 years ago
Solve for x. x^2 - 2x + 1 = 0x 2 −2x+1=0
JulsSmile [24]
Im pretty sure the answer is 1.000781
hope it helps
please mark as brainliest
6 0
4 years ago
Read 2 more answers
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