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Mrrafil [7]
3 years ago
14

The picture shows a triangular island: Which expression shows the value of c?

Mathematics
1 answer:
xenn [34]3 years ago
8 0

Answer:

c = b/cos 45

Step-by-step explanation:

SOHCAHTOA

  • We use Cos
  • Cos 45 = b/c
  • c = b/cos 45
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What is the solution to the equation –10.3+y = 5.2?
quester [9]
-10.3 + y = 5.2

First, regroup the terms. / Your problem should look like: y - 10.3 = 5.2
Second, add 10.3 to both sides. / Your problem should look like: y = 5.2 + 10.3
Third, add 5.2 + 10.3 to get 15.5 / Your problem should look like: y = 15.5

Answer: y = 15.5 (D)

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3 years ago
What is the standard error of the sampling distribution of sample proportion?.
storchak [24]

Answer:

√ (p(1-p) / n)

Step-by-step explanation:

Standard Error(SE) of the Sample Proportion: √ (p(1-p) / n). Note: as the sample size increases, the standard error decreases.

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Hope this helps you! Feel free to give feedback

5 0
1 year ago
Evaluate.
Temka [501]

9514 1404 393

Answer:

  -7/48

Step-by-step explanation:

Put the numbers in place of the corresponding variables and do the arithmetic.

  \dfrac{-\left|1\dfrac{7}{8}+(-1)\right|}{2-(-4)}=\dfrac{-\dfrac{7}{8}}{6}=-\dfrac{7}{8\cdot6}=\boxed{-\dfrac{7}{48}}

8 0
2 years ago
Is the function represented by the table linear
Bess [88]

Answer:

No, because it does not have a constant rate of change.

Step-by-step explanation:

On the <em>x</em><em> </em>side of the table, there is a constant rate of change (+1). However, on the y side, it is not. The first change is +7, the next +5, and the last +6. The rate of change has to be constant on both sides for the table to be considered linear.

4 0
3 years ago
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