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podryga [215]
3 years ago
9

What is the value of x + y(3 − x) when x = −5 and y = 3?

Mathematics
2 answers:
grandymaker [24]3 years ago
6 0

Answer:

19

Step-by-step explanation:

x + y(3 − x)

Let x = -5 and y = 3

-5 +3(3 - -5)

Subtracting a negative is like adding

-5 +3(3+5)

Parentheses first

-5 +3(8)

Multiply

-5+24

Subtract

19

sleet_krkn [62]3 years ago
5 0
Answer:

19

Step-by-step explanation:

x + y(3 - x) x = -5 y = 3

Step 1. Substitute x for -5 and y for 3

(-5) + (3)(3 - (-5))

Step 2. Solve for (3 - (-5))

(-5) + (3)(8)

Step 3. Multiply 3 and 8

(-5) + 24

Step 4. Add -5 and 24

(-5) + 24 = 24 + -5 = 19

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Answer:

3.6

Step-by-step explanation:

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5 0
3 years ago
Which property explains why these two expressions are equal?
ratelena [41]
Re-written, I believe the equation is:

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With this, the parenthesis have nothing multiplying into it, so we can drop the parenthesis to get:

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Which is the same thing.

So I'd assume it is the Associative property, because you are combining the like terms of 23 and 5.

Hope this helps!
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podryga [215]

Answer:

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Step-by-step explanation:

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3 years ago
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icang [17]
4×5=20 is the answer
8 0
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shusha [124]
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