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Alex
3 years ago
12

Please answer this question fast in two minutes

Mathematics
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

∠ FEH = 43°

Step-by-step explanation:

∠ DEC and ∠ FEH are vertical angles and are congruent, thus

∠ FEH = 43°

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Using the formula below or Excel, find the correlation coefficient, r, for this set of scores. Answer choices are rounded to the
RideAnS [48]

The correlation coefficient measures the relationship between the two variables

The correlation coefficient is 0.234

<h3>How to determine the correlation coefficient</h3>

The formula of correlation coefficient is:

r = \frac{1}{n - 1} * \sum{(\frac{x - \bar x}{\sigma_x})*(\frac{y - \bar y}{\sigma_y})

Using the dataset from the complete question, we have:

r = \frac{1}{5 - 1} * 0.9375

Evaluate the difference

r = \frac{1}{4} * 0.9375

Evaluate the quotient

r = 0.234375

Approximate

r = 0.234

Hence, the correlation coefficient is 0.234

Read more about correlation coefficient at:

brainly.com/question/4219149

3 0
2 years ago
71.2% of 722.69 what is this​
Alex_Xolod [135]

Answer:

514.5552

Step-by-step explanation:

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3 0
2 years ago
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Use properties to prove that the expressions are equivalent. Complete the statements. Prove 7x - 4x = 3x. Use the distributive p
Rasek [7]

Answer:

First one is x(7-4)

Second one is x(3)

Third one is 3x

Step-by-step explanation: Plz mark brainliest

3 0
3 years ago
Tell whether the equation has one, zero, or infinitely many solutions.
ahrayia [7]

Answer:

Infinitely many solutions.

Step-by-step explanation:

4(x-8)+9=4x-23

4x-32+9=4x-23

4x-23=4x-23

infinitely many solutions.

7 0
2 years ago
Please help me for 21 points.
gregori [183]

Answer:

24.44 percent

Step-by-step explanation:

F=Friday

S=Saturday

P(F or S)= 20/90+22/90-20/90=22/90

22/90 as percentage is 24.44 percent

5 0
3 years ago
Read 2 more answers
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