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koban [17]
2 years ago
10

HELPP PLEASE!!!! I have a screenshot of the question because I cant copy and paste it!

Mathematics
2 answers:
mr_godi [17]2 years ago
6 0

2³+3²-3×4-5²÷5+(7×4)

= 8+9-3×4-25÷5+7×4

=8+9-12-5+28

=28

Solnce55 [7]2 years ago
5 0

Answer:

28

Step-by-step explanation:

Use PEMDAS

1. Perenthesis

2. Exponents

3. Multiplication

4. Division

5. Addition

6. Subtraction

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Which of the following shows the best communicative property of addition ?
kumpel [21]

Answer:

In the given options, 4+5 = 5+4 shows the best commutative property.

Step-by-step explanation:

One of the properties that can be applied on numbers is commutative property. Commutative property states that the order of the numbers on which any operation is being performed, can be swapped and the answer won't change.

Commutative property can be applied on addition, subtraction and multiplication.

<u>Commutative property of Addition:</u>

Commutative property of addition states that changing the order of adding two numbers does not change the result i.e. a+b = b+a

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3 years ago
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Answer:

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Step-by-step explanation:

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Dafna11 [192]

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First get the eq in standard form, which means:

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so first let's divide by 2:

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now move the 1 to the left

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now look for two numbers that, when multiplied, give -1, and when added, give 3/2. This is a bit of trial-and-error if you want to solve in this way.

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3 years ago
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