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egoroff_w [7]
3 years ago
7

The expression 5(7+2)=5(7)+5(2) is an example of

Mathematics
2 answers:
Tomtit [17]3 years ago
8 0

Answer:45

Step-by-step explanation:5(7)+5(2)=35+10=45.This is an example of expansion or distributive expression

Goryan [66]3 years ago
8 0

Answer: 45 = 45

god bless have a nice day love u

Step-by-step explanation:

5(7+2)= 45

5(7)+5(2)= 45

so its 45

but i put 45 = 45 same thing i think

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If angle X has a measure of 40 degrees and angle Y is vertical to angle X what is the measure of angle Y?
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Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
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<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

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To convert a fraction into a decimal number, divide the denominator by the numerator.
yanalaym [24]

Answer:

Option b. False

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