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Yuliya22 [10]
3 years ago
7

What is the mean of 320,294,265, and 301

Mathematics
2 answers:
Gwar [14]3 years ago
5 0

adding 320,294,265 and 301=1180

4 divided by 1180=answer 295

ruslelena [56]3 years ago
3 0
Mean =
sum of observations/ no. Of observation

= 320+294+265+301/4

= 11804/4

= 2951

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Answer:

\boxed {\boxed {\sf 14.2 \ cm}}

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Since this is a right triangle, we can use the Pythagorean Theorem to solve for the sides.

a^2+b^2=c^2

where <em>a</em> and<em> b</em> are the legs and <em>c</em> is the hypotenuse. In this triangle, we know the legs are 9 centimeters and 11 centimeters, or:

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  • b= 11 cm

Substitute these values into the formula.

(9 \ cm)^{2}  +(11 \ cm)^{2} =c^{2}

Solve the exponents.

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81 \ cm^{2}  +121 cm^{2} =c^{2}

Add the values on the left side.

202 \ cm^{2} =c^{2}

Since we are solving for c, we must isolate the variable. It is being squared and the inverse of a square is the square root. Take the square root of both sides.

\sqrt {202 \ cm^{2} }=\sqrt{c^{2} }

\sqrt {202 \ cm^{2} }=c

14.2126704036 \ cm =c

We are told to round to the nearest tenth.

  • 14.2<u>1</u>26704036

The 1 in the hundredth place tells us to leave the 2 in the tenth place.

14.2 \ cm= c

The hypotenuse is equal to <u>14.2 centimeters.</u>

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