3 years ago

What is the range and mean of 17,24,21,17,12,15,16

Mathematics

1 answer:

klasskru [66]3 years ago

5 0

Answer:

(17 + 21)/2 = 19

Thus, the number halfway between 17 and 21 is 19.

Step-by-step explanation:

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Multiply Conjugates Using the Product of Conjugates Pattern

siniylev [52]

Answer:

The product is the difference of squares is $(9c-2d)(9c+2d)=81{{c}^2}-4{{d}^2}$

Step-by-step explanation:

Explanation

The given expression is (9c-2d)(9c+2d).

We have to multiply the given expression.

Square the first term 9c. Square the last term 2d.

$\begin{aligned}&(9 c-2 d)(9 c+2 d)=(9 c)^{2}-(2 d)^{2} \\&(9 c-2 d)(9 c+2 d)=81 c^{2}-4 d^{2}\end{aligned}$

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2 years ago

ABCD is a rectangle. What is the value of x? rectangle with length 45 feet, width x feet, and diagonal 53 feet 28 feet 45 feet 5

RSB [31]

I'm assuming the diagonal is 53 feet...

Use Pythagorean Theorem

$A = \sqrt{ C^{2} - B^{2} } 

A = \sqrt{53^{2} - 45^{2} } 

A = \sqrt{2809 - 2025}

A = \sqrt{784}

A = 28
$

Therefore the width is 28 feet

5 0

3 years ago

Triangles RQS and NTV have the following characteristics: • Right angles at ∠Q and ∠T • RQ ≅ NT Can it be concluded that ΔRQS ≅

Bas_tet [7]

No, it is necessary to know that another set of corresponding sides is congruent.

9 0

3 years ago

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Help!!! Need done by 6/222019

Bas_tet [7]

Answer:

Its a long way to get to the answer but contact me if you want an explanation...

Step-by-step explanation:

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3 years ago

Will -7 to the 4 power result in a positive or negative number

Semenov [28]

Answer:

A negative number (-2401 to be exact)

Step-by-step explanation:

4 0

4 years ago

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