3 years ago

Divide ( 3x²+ 14x+15) by (x+3)

Mathematics

1 answer:

Slav-nsk [51]3 years ago

8 0

Answer:

The answer is 3x+5

Step-by-step explanation:

3x²+ 14x+15÷x+3

= (3x+5)(x+3)÷x+3

cancel the x+3

=3x+5

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Two groups of staff at a store are making flowers to decorate the entrance. If Group A were to do it alone, it would take them 1

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Answer:

$\dfrac{6750}{7}$

Step-by-step explanation:

Let x be the number of flowers. If Group A were to make x flowers alone, it would take them 10 hours to complete the task, then they make $\dfrac{x}{10}$ flowers in an hour. If Group B were to make x flowers alone, it would take them 15 hours to complete the task, then they make $\dfrac{x}{15}$ flowers in an hour.

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$\dfrac{x}{10}\cdot 6-\dfrac{x}{15}\cdot 4\dfrac{1}{3}=300,\\ \\\dfrac{3x}{5}-\dfrac{13x}{45}=300,\\ \\14x=300\cdot 45=13500,\\ \\x=\dfrac{13500}{14}=\dfrac{6750}{7}.$

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3 years ago

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vagabundo [1.1K]

(4^9)^5 is equal to 4^45. You multiply 9 and 5 to get 45.

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2 years ago

Divide ( 3x²+ 14x+15) by (x+3)​

Divide ( 3x²+ 14x+15) by (x+3)