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2 years ago

The perimeter of triangle ABC is 13 cm .It was dilated to create A’B’C’ What is the perimeter of triangle A’B’C

Mathematics

1 answer:

Bad White [126]2 years ago

5 0

Answer:

still 13

Step-by-step explanation:

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Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. Use the drop-down menus to identify the steps Lorne used to find the dif

Novay_Z [31]

Answer: Step 1: Reverse the signs of $6x^3-2x + 3$ expression.

Step 2: Removing parenthesis

Step 3: Grouping like terms

Step 4: Combing like terms

Step 5: Writing the final expression in standard form

Step-by-step explanation: First expression : $6x^3-2x + 3$

Second expression : $-3x^3+5x^2+4x-7$ .

We need to subtract $6x^3-2x + 3$ from $-3x^3+5x^2+4x-7$ .

Step 1: Reverse the signs of $6x^3-2x + 3$ expression.

$(-3x^3+5x^2+4x-7)+(-6x3+2x-3)$

Step 2: Removing parenthesis

$(-3x^3) +5x^2+4x + (-7) + (-6x^3) + 2x + (-3)$

Step 3: Grouping like terms

$[-3x^3) + (-6x^3)] + [4x + 2x] + [(-7) + (-3)] + [5x^2]$

Step 4: Combing like terms

$-9x^3 + 6x + (-10) + 5x^2$

Step 5: Writing the final expression in standard form

$-9x^3 + 5x^2 + 6x-10$

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2 years ago

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10. Find the Percent of Change (Round to the nearest tenth if necessary)

maria [59]

Answer:

C. 43.6% Increase

Step-by-step explanation:

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2 years ago

If you buy 12 pens for 22.20 dollars, how much does each pen cost?

jeyben [28]

$ 1.85 you divide 22.20 by 12

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3 years ago

(k^8+8k^2+10k+21) / (k+7)

Serga [27]

Answer:

Step-by-step explanation:

$\frac{k^8+8k^2+10k+21}{k+7}$ is already simplified.

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1 year ago

A group of students have the following house numbers : 29, 39, 59, and 79. Randy's house number is a composite number. What is R

wel

Randy's house number is 39

Explanation : We know that Randy's house number is either 29,39,59, or 79. Since his house is a composite number, we must pick the number from the following that is a composite number. 39 is a composite number, because 3 and 13 go into it

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3 years ago

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