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lbvjy [14]
2 years ago
14

Cos77.cos88 - sin77.cos2​

Mathematics
1 answer:
jolli1 [7]2 years ago
6 0

Answer:

0.38499153288

Step-by-step explanation:

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Hannah has an offer from a credit carf issue foe 0% apr for the first 30 days and 12.22% apr afterwards, compounded daily. What
Alenkasestr [34]
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6 0
3 years ago
Someone know how to do this?: 6x2+18x=0
Crazy boy [7]
The answer to the question is: Yes.

Explanation:  It can be solved by following exactly the same procedures
that solved the other two questions that you posted within the past 15 minutes.

Since I'm here already, here is the solution to this one:

6x² + 18x = 0

Divide each side of the equation by 6 :

x² + 3x = 0

Factor the left side:

x(x+ 3) = 0

This statement is true if x=0 or if x=3.

The solution to this one is even the same as the solution to the last one you posted.
You really ought to take a break, go back, review the solutions you've been given,
and try to solve a few on your own.
4 0
3 years ago
at the beginning of the month a store had a balance of -554. during the month the store lost another 600 what is the balance
blondinia [14]

Answer:

-554 - 600 = -1154

the store's balance is $ -1154.00

3 0
2 years ago
Determining Whether a Difference Is Statistically
SCORPION-xisa [38]

Using the z-distribution, it is found that:

  • The 95% confidence interval is of -1.38 to 1.38.
  • The value of the sample mean difference is of 1.74, which falls outside the 95% confidence interval.

<h3>What is the z-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm zs

In which:

  • \overline{x} is the difference between the population means.
  • s is the standard error.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

The estimate and the standard error are given by:

\overline{x} = 0, s = 0.69

Hence the bounds of the interval are given by:

\overline{x} - zs = 0 - 1.96(0.69) = -1.38

\overline{x} + zs = 0 + 1.96(0.69) = 1.38

1.74 is outside the interval, hence:

  • The 95% confidence interval is of -1.38 to 1.38.
  • The value of the sample mean difference is of 1.74, which falls outside the 95% confidence interval.

More can be learned about the z-distribution at brainly.com/question/25890103

#SPJ2

6 0
2 years ago
FREEEEEEE POINTSSSSSSSS
attashe74 [19]
YEAHHHHHHHHHHHHHHHHH
8 0
2 years ago
Read 2 more answers
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