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Korolek [52]
3 years ago
6

Height of student folliwing normal distribution with a mean 170 cm and standard deviation of 5 cm. What is range of values conta

ins 95% of data
Mathematics
1 answer:
Gekata [30.6K]3 years ago
6 0
I say 34 do not know if it is right
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DanielleElmas [232]

1 quart = 4 cups

12/4 = 3

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3 years ago
Lines AC←→ and DB←→ intersect at point W. Also, m∠DWC=138° .
mr_godi [17]

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°

Solution:

Line \overrightarrow{A C} \text { and } \overrightarrow{B D} intersect at a point W.

Given m \angle D W C=138^{\circ}.

<em>Vertical angle theorem:</em>

<em>If two lines intersect at a point then vertically opposite angles are congruent.</em>

<u>To find the measure of all the angles:</u>

∠AWB and ∠DWC are vertically opposite angles.

Therefore, ∠AWB = ∠DWC

⇒ ∠AWB = 138°

Sum of all the angles in a straight line = 180°

⇒ ∠AWD + ∠DWC = 180°

⇒ ∠AWD + 138° = 180°

⇒ ∠AWD = 180° – 138°

⇒ ∠AWD = 42°

Since ∠AWD and ∠BWC are vertically opposite angles.

Therefore, ∠AWD = ∠BWC

⇒ ∠BWC = 42°

Hence the measure of the angles are

m∠DWC=138°, ∠AWB = 138°, ∠AWD = 42°, ∠BWC = 42°.

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3 years ago
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Answer:

it's J

Step-by-step explanation

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Answer:

Step-by-step explanation:

(7*11)-(22/7*2^2)

77-(22/7*4)

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64.43

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Which pair of fractions and mixed numbers have a common denominator of 20?
mariarad [96]

Answer: The answer is the 4th option

Step-by-step explanation: Hope this helps!

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