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damaskus [11]
3 years ago
7

.solve for c c−1.5+6.8=0.6 I NEED HELP

Mathematics
1 answer:
kiruha [24]3 years ago
4 0

Answer: c= -4.7

Step-by-step explanation:

Look at link hope it helps

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What is the value of x2+9x+20 when x could be -5, -3 or -6
ANTONII [103]

Answer:

Step-by-step explanation:

You should use a ^ to indicate an exponent. x^2 is the same as x².

x² + 9x + 20

Replace the x with (-5).

(-5)² + 9(-5) + 20 = 25-45+20 = 0

Then do the same with x = (-3):

(-3)² + 9(-3) + 20 = 9 - 27 + 20 = 2

You can do x = (-6)

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3 years ago
Two large single-topping pizzas cost $25.00. What is the constant of proportionality
Brrunno [24]

i do not know kid -_-


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3 years ago
Just the answers please
astraxan [27]
Angle E to angle T
Angle F to angle S
Angle G to angle U
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Hope it helps :)
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2 years ago
Name the place value of highlighted digit 35.052
DanielleElmas [232]
The highlighted 5 in 35.052 is in the hundredths place. 
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3 years ago
Read 2 more answers
Imagine you're a researcher and you need to perform a two-sided test of an alternative hypothesis. You decide to conduct a signi
Sophie [7]

Answer:

B. You should not take the statistician’s advice. Hypothesis testing relates to a single conclusion, while a confidence interval provides a range of plausible values for your population.

Step-by-step explanation:

Hello!

A statistical hypothesis is an assertion or specification about the distribution of a random variable X, and, more specifically, about the parameters that characterize it. The objective of the hypothesis test is, therefore, to test the researcher's belief about the possible value of the parameter under study and obtain significant evidence to accept or reject it.

The objective of a Confidence interval is to estimate a possible range of values for the population parameter you are studying. If the confidence level is of 95%, this means that if you were to make 100 confidence intervals, you'd expect 95 of them to contain the true value of the parameter. But only with the confidence interval you cannot make any valid assertion about the parameter value.

In this case the study parameter is μ₁ - μ₂

The hypothesis is:

H₀: μ₁ - μ₂ = 0

H₁: μ₁ - μ₂ ≠ 0

α 0.05

One of three valid methods to decide an hypothesis test is using a Confidence Interval. To do so the following conditions are to be met:

The hypothesis and CI should be made for the same population parameter.

The hypothesis should be two-tailed.

The signification level of the test "α" and confidence level of the interval "1 - α" have to be complementary.

For both is to be used the data from the same sample and same statistic.

If this conditions are met, the decision rule is:

If the value of the study parameter under the null hypothesis is included in the confidence interval, then you do not reject the null hypothesis.

If the value is not included in the interval, then you reject the null hypothesis.

To make a decision you need to do both, the interval and the two-tailed hypothesis.

I hope this helps!

3 0
3 years ago
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