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2 years ago

Help me please !!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

never [62]2 years ago

3 0

Answer:

Step-by-step explanation:

a straight angle is 180 degrees. the square says its a 90 degrees angle. 90+30 is 120 so x is 60

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attashe74 [19]

Answer:

75 is the length of the third side

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2 years ago

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Find the probability that the sum is as stated when a pair of dice is rolled. (enter your answers as fractions.) (a) odd and les

Dmitry_Shevchenko [17]

|Ω| = 6 - number of all results
A = {1, 3} → |A| = 2 - number of (a) results
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2 years ago

Which of the following functions is graphed below?

kompoz [17]

Answer:

Step-by-step explanation:

vertex is (-3,-4)

so inside the absolute value bars need to be postive 3 and the four has to be -4.

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2 years ago

In a grid of an auditorium, the vertices of a section of seats are A (40, 20), B (80, 20), C (100, 70),

olganol [36]

Answer:

2500

Step-by-step explanation:

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2 years ago

Frequent food questionnaires (FFQ) are a simple way to obtain information on the foods individuals consume by asking them questi

Ilia_Sergeevich [38]

Answer:

Asnwer is A

Step-by-step explanation:

since the correlation between the FFQ and DR is 0.89

x y xy $x^{2}$ $y^{2}$

8.26 1.68 13.8768 68. 2276 2.8224

0.83 0 0 06889 0

20.13 15.1 303.963 405.2169 228.01

11.16 7.49 83.5884 124.5456 56.1001

7.18 12.84 92.1912 51.5524 164.8656

1.76 0 0 3.0976 0

22.46 25.06 567.8596 513.4756 628.0036

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∑ $x_{i}$ = ∑ $y_{i}$ = ∑ $x_{i} y_{i}$ = ∑ $x_{i}^{2} y_{i}^{2}$ = ∑ $y_{i} ^{2}$ =

71.98 62.17 1061.479 1166.8046 1079.8017

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Correlation Coefficient or Pearson Correlation is given by:

the rest calculation is in the attached image

3 0

3 years ago