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Dimas [21]
3 years ago
6

Match each equation on the left to the mathematical property it uses on the right.

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
6 0

Answer:

The answer to your question is:

Step-by-step explanation:

(4 + 5) + 2 = 4 + (5 + 2)                     Associative property of addition

2(2x + 4) = 4x + 8                             Distributive property

( 7 x ) 3 = 7 (x 3)                                Associative property of multiplication

( 8 x 2) = (x 8 2)                                Commutative property of multiplication

( 7 + 3) + 1 = 1 + (7 + 3)                       Commutative property of addition

Lelechka [254]3 years ago
5 0

Answer:

(4+5)+2=4+(5+2)                    Associative property of addition

2(2x+4)=4x+8                         Distributive property

(7x) × 3 = 7(x × 3)                    Associative property of multiplication

(8 × x × 2) = (x × 8 × 2)           Commutative property of multiplication

(7+3)+1 = 1+(7+3)                     Commutative property of addition

Step-by-step explanation:

Associative property of addition : It is a property when we are adding numbers then we can group the numbers in any combination.

For example : a+(b+c) = (a+b)+c

Associative property of multiplication : It is a property when we are multiplying numbers then we can group the numbers in any combination.

For example : a×(b×c) = (a×b)×c

Commutative property of addition : It is a property in which we can add numbers in any order.

For example : a+b = b+a

Commutative property of multiplication : It is a property in which we can multiply numbers in any order.

For example : a×b = b×a

Distributive property : It is a combination of addition and multiplication.

For example : a×(b+c) = (a×b) + (a×c)

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Hello,

x²-5x-2=0
Δ=5²+4*2=33
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4 years ago
A family spends 1/10 of its annual income for housing, 1/4 for food and clothes, 1/5 for general expenses, and 2/15 for entertai
AlexFokin [52]
Add all the fractions together:
to do this find the lcd:
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6 0
3 years ago
Read 2 more answers
The straight line 2x + 3y = 7 meets the curve
NISA [10]

Step-by-step explanation:

xy + 10 = 0. => y = -10/x.

2x + 3y = 7. => 3y = -2x + 7, y = -2/3 x + 7/3.

When -10/x = -2/3 x + 7/3,

-10 = -2/3 x² + 7/3 x, 2/3 x² - 7/3 x - 10 = 0.

=> 2x² - 7x - 30 = 0

=> (2x + 5)(x - 6) = 0

=> x = -2.5 or x = 6.

dy/dx = d/dx [-10/x] = 10/x².

When x = -2.5, dy/dx = 10 / (-2.5)² = 1.6.

When x = 6, dy/dx = 10 / (6)² = 5/18.

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5 0
3 years ago
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allsm [11]

Answer: 25??

Step-by-step explanation: $8×25= $200

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7 0
3 years ago
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vova2212 [387]

Answer:

24

Step-by-step explanation:

75/3 is equal to 25... So, in theory, if you multiply 8 by 3, you should get 24. To check that: 75/24 = 25/8

3 0
3 years ago
Read 2 more answers
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