3 years ago

Which property allows you to write the expression (3 +71) + (8 - 61) as (8 - 61) + (3 + 71)?

Mathematics

1 answer:

Masteriza [31]3 years ago

8 0

Answer:

Commutative Property

Step-by-step explanation:

Commutative property is the property where if you change the order of the operands, it does not change the result.

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EastWind [94]

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2 years ago

Someone please help me. I will give you hella points I need this answer to like graduate type

PtichkaEL [24]

Answer:

$9 and $7

Step-by-step explanation:

The first equation:

x + 2y = 23

The second equation:

2x + 3y = 39

Convert to slope-intercept form:

x + 2y = 23 ⇒ 2y = -x + 23 ⇒ y = -1/2x + 11.5
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The graph is attached

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2 years ago

Use the method of Gauss-Jordan elimination (trails—forming (lie augmented matrix into reduced echelon form) to solveProblem in S

Nezavi [6.7K]

Answer:

Step-by-step explanation:

Answer is in below attachment

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3 years ago

Calculate the missing angle and give a reason for your answer.

alekssr [168]

Answer: 54 degrees
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2 years ago

What is the interior angle of a regular 25 gon

OLga [1]

Answer:

schläfli symbol {50}, t{25}

Coxeter diagram

Symmetry group Dihedral (D50), order 2×50

Internal angle (degrees) 172.8°

5 more rows

Step-by-step explanation:

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3 years ago

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