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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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Write:<br> 3^-4 in standard form
pav-90 [236]

Answer:

\frac{1}{81}

Step-by-step explanation:

<u>Key skills: Exponents + Fractions</u>

Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y

3^-4 is the same as \frac{1}{3^{4}}

3^4 is 81, so your answer would be 1/81.

Hope you have a nice day and understood this!

4 0
3 years ago
If Sarah walked 5 kilometers this weekend, about how many miles did she walk
Harrizon [31]
She walked 3.107 miles
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at a pizza party, 40% of the pizzas were pepperoni. if there were 6 pepperoni pizzas how many pizzas were there in all.
disa [49]
I think 10 tell me if I am wrong
7 0
3 years ago
Read 2 more answers
Pls help (mathematics)
olga2289 [7]

Answer:

I agree with all of them

Step-by-step explanation:

they are all connected mathematically (I used 3.14 I hope that the right idea)

7 0
3 years ago
Rudy invested $2460 in a money market account for 3 and 1/2 years. He earned $452 in simple interest. Which best represents the
antiseptic1488 [7]

Answer:

B. 5 and 1/4 percent

Step-by-step explanation:

Step one:

given

principal= $2460

time= 3 and 1/2 years= 3.5 years

SI= $452

Required

The rate

Step two:

we know that

SI= PRT/100

substituting our data we have

452= 2460*R*3.5/100

452=8610R/100

cross multiply

452*100= 8610R

divide both sides by 8610

45200/8610= R

R= 5.25%

R= 5 and 1/4 percent

6 0
3 years ago
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