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3 years ago

PLZ ANSWER NOW FOR BRAINLEIST ANSWER AND 30 points!!! Show all work

Mathematics

2 answers:

Darina [25.2K]3 years ago

7 0

A simple method is to square all the answers

$6^2 = 36~~~( \sqrt{40} )^2 = 40 ~~5^2 = 25 ~~~~ (\sqrt{23} )^2 = 23$

now arrange them

horsena [70]3 years ago

7 0

Sqrt 40 is between two perfect squares, sqrt 36 and sqrt 49.
Sqrt 40 is greater than 6 and less than 7.

Sqrt 23 is between the perfect squares 16 and 25.
Sqrt 23 is greater than ; and less than 5.

Sqrt23, 5, 6, sqrt40,

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The floor of a round hut has a diameter of 4 meters. What is the floor's circumference? Use 3.14 for .

7nadin3 [17]

Answer:

12.56

Step-by-step explanation:

C= 2 x 3.14 x 2

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3 years ago

To be considered as a menu item for Gloria's new restaurant an item must have scored in the top 15% by the food critics in the a

vladimir1956 [14]

Answer:

Lowest score needed=4.92

Step-by-step explanation:

Using the standard normal distribution table we find the value of standard normal deviate corresponding to area of 15%

For area of 15% we have Z= -1.04

Thus we have

$Z=\frac{X-\overline{X}}{\sigma }\\\\\therefore X=\sigma Z+\overline{X}\\\\$

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3 years ago

A boat sails on a bearing of 77 degrees for 135 miles and then turns and sails 207 miles on a bearing of 192 degrees. Find the d

Andrew [12]

Answer:

193.53 miles

Step-by-step explanation:

Please see the diagram for understanding of how the angles were derived,

Applying Alternate Angles, ABO =77 degrees

The bearing from B to C is 192=180+12 degrees

Subtracting 12 from 77, we obtain the angle at B as 65 degrees.

We want to determine the boat's distance from its starting point.

In the diagram, this is the line AC.

Applying Law of Cosines:

$b^2=a^2+c^2-2acCosB\\b^2=207^2+135^2-2(207)(135)Cos65^\circ\\b^2=37453.8654\\b=\sqrt{37453.8654} \\b=193.53\: miles$

The distance of the boat from its starting point is 193.53 miles (correct to 2 decimal places).

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3 years ago

Will give brainlyest to the first correct answer! Easy points

xenn [34]

Answer:

its most likely A

Step-by-step explanation:

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2 years ago

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padilas [110]

15 and 17 is the answer

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3 years ago