Mathematics, 05.07.2019 04:00 kobiemajak

Match each statement with the property it illustrates. 1. -9 + 0 = -9 associative property of multiplication 2. (-9)(0) = () identity property of addition 3. (-9)(1) = -9 associative property of addition 4. -1(4 · 9) = (-1 · 4)9 identity property of multiplication 5. -9 + 1 = 1 + (-9) commutative property of multiplication 6. -1 + (4 + 9) = (-1 + 4) + 9 commutative property of addition

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Answer from: TTHOR1935

1. -9 + 0 = -9 identity property of addition

2.(-9)(0) = (0)(-9) commutative property of multiplication

3.(-9)(1) = -9 identity property of multiplication

4.-1(4 · 9) = (-1 · 4)9 associative property of multiplication

5.-9 + 1 = 1 + (-9) commutative property of addition

6. -1 + (4 + 9) = (-1 + 4) + 9 associative property of addition

Answer from: derrishamckenzie22

Statement Property

1. -9 + 0 = -9 Identity property of addition

2. (-9)(0) = (0)(-9) Commutative property of multiplication

3. (-9)(1) = -9 Identity property of multiplication

4. -1(4 · 9) = (-1 · 4)9 Associative property of multiplication

5. -9 + 1 = 1 + (-9) Commutative property of addition

6. -1 + (4 + 9) = (-1 + 4) + 9 Associative property of addition

Step-by-step explanation:

Identity property of addition: If a is a number, then the addition of the number and identity element gives the same number. Identity element of addition is 0.

a+0=a

Commutative property of addition: If a and b are two numbers, then

a+b=b+a

Associative property of addition: If a, b and c are three numbers, then

a+(b+c)=(a+b)+c

Identity property of multiplication: If a is a number, then the product of the number and identity element gives the same number. Identity element of multiplication is 1.

(a)(1)=a

Commutative property of multiplication: If a and b are two numbers, then

ab=ba

Associative property of multiplication: If a, b and c are three numbers, then

a(bc)=(ab)c

Statement Property

1. -9 + 0 = -9 Identity property of addition

2. (-9)(0) = (0)(-9) Commutative property of multiplication

3. (-9)(1) = -9 Identity property of multiplication

4. -1(4 · 9) = (-1 · 4)9 Associative property of multiplication

5. -9 + 1 = 1 + (-9) Commutative property of addition

6. -1 + (4 + 9) = (-1 + 4) + 9 Associative property of addition

Answer from: Quest

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step-by-step explanation:

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Answer from: Quest

This polygon has 4 sides
180(4-2) = 180(2) = 360 degree
80+90+2x + 3x = 360
170+5x = 360
5x = 190
x= 38
measure of angle t is 2(38)= 76
the answer is c. trust me
hope this !

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Match each statement with the property it illustrates. 1. -9 + 0 = -9 associative property of multip...

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