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Zanzabum
3 years ago
6

If f(x) = -3x^4 - 2x^3 + 3x^2 and g(x) = 3x^4 - 4x^3 + x^2 then f(x) + g(x) =

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
7 0

Answer:

c. -3×^4-6×^3+4×^3

Step-by-step explanation:

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Jack earns $50 for washing cars on the weekdays He makes an average of $4.25 in tips per hour right the function of Jacks earnin
kobusy [5.1K]

Answer:

Function: y= $4.25x + $50; After 6 hours: $25.50

Step-by-step explanation:


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3 years ago
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If a hypothesis is not rejected at the 0.10 level of significance, it: a. may be rejected at the 0.05 level. b. must be rejected
mariarad [96]

Answer:

Option D - Will not be rejected at the 0.05 level.

Step-by-step explanation:

The significance level, which is denoted as "α", is a measure of the strength of the evidence that must be present in a sample before we can reject the null hypothesis and conclude that the effect is statistically significant. Now, this significance level must be determined before conducting an experiment.

Now, in the context of this question, the significance level is the probability of rejecting the null hypothesis when it is true. For example, a significance level of 0.05 means a 5% risk of concluding that a difference exists when there is no actual difference. Now, lower significance levels will indicate that we require stronger evidence before we can reject the null hypothesis.

Thus, if we don't reject at α = 0.1,we obviously will not reject at higher values.

Thus, looking at the options, we will not reject at 0.05 significance level.

4 0
3 years ago
Rad 18x^5y + Rad 32xy^3 - Rad 128xy
True [87]
Sqrt(18x^5y) + sqrt(32xy^3) - sqrt(128xy)
You may separate the roots to produce solvable square roots!

sqrt(9x^4)*sqrt(2xy) + sqrt(16y^2)*sqrt(2xy) - sqrt(64)*sqrt(2xy)

Simplifying makes it ...
(3x^2 + 4y - 8)*sqrt(2xy)
This should be the closest you can get to a simplified equation.
5 0
3 years ago
(x+6) + (x+8) + 14 / 2
wlad13 [49]
Answer=2x+21 do you want the whole solution?
3 0
3 years ago
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The scores of individual students on the american college testing (act) program composite college entrance examination have a no
ryzh [129]

The sampling distribution standard deviation is the population standard deviation divided by the root of the sample size.

sampling distribution standard deviation = 6.00/√36 = 1.00

8 0
3 years ago
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