3 years ago

What property is shown 7(m+9)=(7m)+(7*9)

Mathematics

2 answers:

SCORPION-xisa [38]3 years ago

5 0

Answer:

This is the distributive property of multiplication.

Step-by-step explanation:

dedylja [7]3 years ago

5 0

Distributive property of multiplication.
The number outside the parentheses is multiplied and added or subtracted to each successive term.
So x(y+z)=xy+yz

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Point C is on line segment \overline{BD} BD . Given CD=x,CD=x, BC=5x-5,BC=5x−5, and BD=2x+7,BD=2x+7, determine the numerical len

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Answer:

$CD = 3$

Step-by-step explanation:

Given

$CD = x$

$BC = 5x - 5$

$BD = 2x + 7$

Required

Determine CD

Since, C is a point on BD, the relationship between the given parameters is;

$BD = BC + CD$

Substitute the values of BD, BC and CD

$2x + 7 = 5x - 5 + x$

Collect Like Terms

$2x - 5x - x = -5 - 7$

$-4x = -12$

Divide both sides by -4

$\frac{-4x}{-4} = \frac{-12}{-4}$

$x = 3$

To determine the length of CD;

Substitute 3 for x in $CD = x$

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What is your question?

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3 years ago

What property is shown 7*(m+9)=(7*m)+(7*9)

What property is shown 7(m+9)=(7m)+(7*9)