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Aleksandr-060686 [28]
3 years ago
11

Name the rule for each statement: (SSS, ASA, SAS, AAS)

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0

Answer:


SSS - Two triangles have to have 3 congruent pairs of sides.

ASA - Two triangles have to have 2 congruent pairs of angles with an included congruent pair of sides.

SAS - Two triangles have to have 2 congruent pairs of sides with an included congruent pair of angles.

AAS - Two triangles have to have 2 pairs of congruent angles with a non-included congruent pair of sides.

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A hospital emergency room has collected a sample of 40 to estimate the mean number of visits per day. The sample standard deviat
zhuklara [117]
<h3>Answer:  8.323  (approximate)</h3>

====================================================

Explanation:

s = 32 = sample standard deviation

n = 40 = sample size

Despite not knowing the population standard deviation (sigma), we can still use the Z distribution because n > 30. When n is this large, the student T distribution is approximately the same (more or less) compared to the standard Z distribution. The Z distribution is nicer to work with.

At 90% confidence, the z critical value is roughly z = 1.645. This can be found using either a Z table or a calculator.

------------------

We have these values:

  • z = 1.645 (approximate)
  • s = 32
  • n = 40

Plug these values into the margin of error formula.

E = z*\frac{s}{\sqrt{n}}\\\\E \approx 1.645*\frac{32}{\sqrt{40}}\\\\E \approx 8.32311480156318\\\\E \approx 8.323\\\\

The margin of error is roughly 8.323

I rounded to 3 decimal places because z = 1.645 is rounded to 3 decimal places. If your teacher wants some other level of precision, then be sure to follow those instructions.

3 0
3 years ago
What is the percent notation of 19/100?
aleksklad [387]
19%. If the denominator is 100, then the numerator plus a percent symbol is the answer. Hope this helps!
7 0
4 years ago
Read 2 more answers
The sum of two consecutive even integers divided by four is 189.5
Semenov [28]
So, this sum divided by 4 was 189.5... then if we multiply this number by 4, we will get this sum!

189.5*4=758

which is the sum of two consecutive even numbers, x and x+2,

x+x+2=758
2x+2=758
2x=756
x=378
and the other number is 380!!

4 0
3 years ago
If i am the top 5% in something, out of 2.4 million people. What percentile am I?
antiseptic1488 [7]

Answer:

120,000

Step-by-step explanation:

5% of 2.4 million is 120,00

5 0
3 years ago
8x +34 = -46 WHAT DOES X EQUAL​
Leokris [45]

Answer:

x =  - 10

Step-by-step explanation:

1. Subtract 34 from both sides.

8x =  - 46 - 34

2. Simplify -46 - 34 to - 80.

8x =  - 80

3. Divide both sides by 8.

x =  -  \frac{ 80}{8}

4. Simplify 80/8 to 10.

x =  - 10

Therefor, the answer is, x = -10

4 0
3 years ago
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