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Alika [10]
3 years ago
11

Herb, a tennis player, has been struggling to develop a more consistent serve. He made the following remark to his partner durin

g the second set of a recent match: "I feel like I'm making progress. I haven't double-faulted once today." He then served two double-faults, which caused him to say, "Every time I say I haven't double-faulted, I immediately start to." Herb's perception may have been influenced by:
Instructions: In order to receive full credit, you must make a selection for each option. For correct answer(s), click the box once to place a check mark. For incorrect answer(s), click the option twice to empty the box.

regression to the mean.unanswered
the availability huerisitic.unanswered
the sunk cost effect.unanswered
the present-aim standard of rationality.
Mathematics
1 answer:
klasskru [66]3 years ago
5 0

Answer:

Check once on regression to the mean

Check once on the availability hubristic

Check twice on sink cost effect

Check twice on the present aim standard of rationality.

Step-by-step explanation:

Since herb is driven by emotion and happenstance and not by actual overall statistics this seems like the way to answer the question.

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Which is the percent composition of bromine in the compound nabr?
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We are given a compound known to be Sodium Bromine (NaBr). This compound has a molecular weight of
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NaBr=23+80= 103 g/mol

Assuming if we have 1 mol of NaBr, then we have 80 g of Bromine (Br). Calculating its percent composition in the total NaBr compound, we get

%Br= (80/103)*100=77.7%

Therefore, the answer to the question above is letter A.
8 0
3 years ago
Please help for 50 points...
vaieri [72.5K]

Answer:

7. ○ ∆<em>ACB</em> ≅ ∆<em>DFE</em>

6. ○ \displaystyle 43°

5. ○ \displaystyle ∠M ≅ ∠S

4. ○ \displaystyle octagon

3. ○ \displaystyle squares

2. ○ \displaystyle rhombus

1. ○ \displaystyle equilateral\:triangle

Step-by-step explanation:

7. Everything is in correspondence with each other, so just follow the pattern in the order the they were originally.

6. All angles correspond with each other, so just follow the pattern.

5. All segments and angles correspond with each other, so just follow their patterns.

4. An <em>octagon</em><em> </em>has eight sides, a triangle has three sides, a <em>hexagon</em> has six sides, and a <em>pentagon</em><em> </em>has five sides. With this being stated, you have your answer.

3. In a previous lesson, we confirmed that <em>all squares </em><em>are</em><em> </em><em>rectangles</em><em> </em>because it is a quadrilateral with four right angles.

2. This is obviously a rhombus because it is a quadrilateral with four congruent angles and sides.

1. An EQUILATERAL TRIANGLE is a regular polygon because they have three congruent angles and sides.

I am joyous to assist you anytime.

4 0
3 years ago
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ivanzaharov [21]

Answer:

The answer is the second option

Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

for value b the quadratic equation

{2x}^{2}  + bx + 3 = 0 \: has \: two \: the \: distanct \: root

8 0
2 years ago
I need some help please
jeka57 [31]
The cosine ratio is the side adjacent to the reference angle over the hypotenuse.  Angle T has a side opposite of length 68, and the hypotenuse is 85.  Therefore, the cosine of T is 68/85.  That gives us a decimal of .8.  It's very important that the ratio of sin and cos are decimals less than 1 but greater than 0.  If you try to take the inverse cosine of, say, 1.4 on your calculator you will get an error message.  That's because sin and cos oscillate between 1 and -1  on the graph and do not exist higher or lower than that. 
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