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IrinaK [193]
3 years ago
14

Simplify the expression 5+4+2(-3)+7+(-5)

Mathematics
1 answer:
liberstina [14]3 years ago
4 0
Just use pemdas
(Parenthesis, exponents, multiplication, division, addition, subtraction)
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When placed in the box below, what expression will complete an example of the commutative property of addition 7(2+9)= ?
ANEK [815]

The expression for 7(2+9) IS A(B+C) which is distributive property of addition over multiplication.

Only two arithmetic procedures are subject to the commutative property: Multiplication and Addition

 A + B = B + A Which is Commutative property of addition

A.B = B.A, which is a commutative property of multiplication.

Distributive property is A(B+C) =AB+AC

The operation on numbers that are available in brackets can be distributed for each number outside the bracket, according to the distributive property. It is one of the mathematical properties that is used the most. Commutative and associative qualities are the other two important features.

from the given data 7(2+9) =7*2+7*9

                                                =14+63

                                                =77

Now, we can clear that 7(2+9) =7(9+2)

Hence, the expression for commutative property of addition is A(B+C) = AB+AC.

To learn more about commutative property, visit

brainly.com/question/28387735

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6 0
1 year ago
What is 43.586 rounded to the nearest hundredth
USPshnik [31]
The answer is 43.590.
5 0
3 years ago
Read 2 more answers
What type of graph do I make if I'm graphing with kilograms?
erma4kov [3.2K]
Any graph will work. But, usually line or bar graphs are used to measure.
8 0
3 years ago
Which function has a constant additive rate of change of –1/4? A coordinate plane with a straight line with a negative slope. Th
Naddika [18.5K]

Answer:

i honestly have no idea:(

Step-by-step explanation:

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3 0
2 years ago
Find the values for a and b that would make the equality true.
zepelin [54]

Answer:

a = - 4, b = 5

Step-by-step explanation:

Expand the left side, then compare the coefficients of like terms.

- 3(2x² + ax + b)

= - 6x² - 3ax - 3b, compare to - 6x² + 12x - 15

Compare coefficients of x- terms

- 3a = 12 ( divide both sides by - 3 )

a = - 4

Compare constant terms

- 3b = - 15 ( divide both sides by - 3 )

b = 5

8 0
3 years ago
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