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3 years ago

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Distributive Property

1 answer:

algol133 years ago

4 0

1. 4 (6 + 7) is the same as (4 • 6) + (4 • 7)
X = 4
2. 6 • 45 = 270
a. 270, (6 • 40) + (6 • 5) = 240 + 30 = 270
b. 210, (6 • 40) - (6 • 5) = 240 - 30 = 210
c. 270, (6 • 50) - (6 • 5) = 300 - 30 = 270
A. 270, C. 270
3. 6m + 7n + 5m - 3n, combine like terms, 6m + 5m = 11m, 7n - 3n = 4n
B. 11m + 4n
4. 2y<u>^3</u> - 4y^2 + y + y<u>^3</u>, exponents tell you what are like terms
C. 2y^3 and y^3
5. 4x<u>^3</u> - 3x^2 + x + 3x<u>^3</u>, combine like terms, then put in descending order
D. 7x^3 - 3x^2 + x

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Mashutka [201]

Answer:

$10x^{2}-34$

Step-by-step explanation:

Because we are told equivalent expressions for y and z we can plug those in to 2(y+z).

$2((3x^{2}+x^{2}-5)+(x^{2}-12))$

Then simplify by combining like terms of the expressions. Values ending in x^2 can be combined with each other.

$2(5x^{2}-17)$

Now we can distribute the 2 by multiplying each value in the parentheses by 2.

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Answer: c.) 4

Step-by-step explanation:

y = 4

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3 years ago

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aliina [53]

$\huge\textsf{Hey there!}$

$\bullet \large\textsf{ Finding the mean you have to add up all of your numbers \& divide it}\\\large\textsf{by the total numbers in your data plot}$

$\mathsf{\dfrac{20 + 5 + 45 + 90 + 60 + 45 + 30 + 10 + 20+ 45 + 15 + 25}{12}}$

$\mathsf{20 + 5 + 45 + 90 + 60 + 45 + 30 + 10 + 20+ 45 + 15 + 25}$

$\mathsf{= 25 + 45 + 90 + 60 + 45 + 30 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 70 + 90 + 60 + 45 + 30 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 160 + 60 + 45 + 30 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 220 + 45 + 30 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 265 + 30 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 295 + 10 + 20 + 45 + 15 + 25}$

$\mathsf{= 305 + 20 + 45 + 15 + 25}$

$\mathsf{= 325 + 45 + 15 + 25}$

$\mathsf{= 370 + 15 + 25}$

$\mathsf{= 385 + 25}$

$\mathsf{= \bf 410}$

$\mathsf{= \dfrac{410}{12}}$

$\mathsf{\dfrac{410}{12} \approx \bf 34.1667}$

$\boxed{\boxed{\huge\textsf{Thus, your ANSWER is: \boxed{\mathsf{ \bf \underline{{\star 34.1667\star}}}}}}}}\huge\checkmark$

$\huge\textsf{Good luck on your assignment \& enjoy your day!}$

~ $\frak{Amphitrite1040:)}$

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3 years ago

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