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Anton [14]
3 years ago
14

Tony and his brother had to shovel the snow. Tony worked 3/5 of an hour. His brother worked 2 1/2times longer. How long did his

brother work?
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
6 0

(3 / 5) * 2 1/2 = 1.5

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Which expression is equivalent to (5x^3)(2x)^3
Taya2010 [7]
Hello:
(5x^3)(2x)^3 = (5x^3)(2)^3(x)^3 = <span>(5x^3)8x^3=40x^6  ... (answer C)</span>
3 0
3 years ago
Read 2 more answers
Multiply.
ANTONII [103]

The multiplication of the expression (x² + 3x + 2) (2x² + 3x + 1) is 2x⁴ + 9x³ + 14x² + 9x + 2

<h3>Multiplication</h3>

(x² + 3x + 2) (2x² + 3x + 1)

= 2x⁴ + 3x³ + x² + 6x³ + 9x² + 3x + 4x² + 6x + 2

  • collect like terms

= 2x⁴ + 3x³ + 6x³ + x² + 9x² + 4x² + 3x + 6x + 2

= 2x⁴ + 9x³ + 14x² + 9x + 2

Learn more about multiplication:

brainly.com/question/10873737

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8 0
2 years ago
Plz help me find the measure of each angle indicated. then state the type of angle pair
Makovka662 [10]
19. 60* - a straight line is 180* - the other side which is 120* (supplementary)
20. 132* - the angle below is the same as the other side of this angle, 180* - 48* (same side interior angles)
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22. 70* - same angles just different placement (alternate interior angles)
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5 0
2 years ago
What is the perimeter of triangle ABC? Round each step to the nearest tenth. Please help me
Ad libitum [116K]

I would use the pythagorean theorem to find the lengths of each side. a² + b² = c².

Side AB is one we're looking for. If you make other right triangle with that same side you can see that one length is 4 and the other is 3. So, 4² + 3² = c² → 25 = c² → 5 = c. Side AB is length 5.

Side AC is another. Do the same with that side and you get that one length is 4 and the other is 3. (This is the same one as above) so side AC is length 5.

Side BC is the last one. One of the lengths is 1 and the other is 1 → 1² + 1² = c² → 2 = c² → 1.414213562 = c so side BC is approximately length 1.41.

Add each length up and you get a perimeter of roughly 11.4

8 0
3 years ago
Which equation graphs as a vertical line with an undefined slope? A) y = 3x B) x = 2 3 C) y = 2 3 D) y = − 2 3 x + 1
kenny6666 [7]

Answer:

<h2>B) x = 2/3</h2>

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x = a - vertical line   (a - any real number) - undefined slope

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3 0
3 years ago
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