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Rainbow [258]
3 years ago
12

Please i need to know what is 6y-8+2y+5

Mathematics
2 answers:
Mila [183]3 years ago
7 0
6y-8+2y+5
8y-3
That could be the answer unless ur finding Y
Y= 3/8
Yuki888 [10]3 years ago
6 0

Answer:

8y -3

Step-by-step explanation:

6y-8+2y+5

Combine like terms

6y +2y -8+5

8y -3

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Step-by-step explanation:

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4 years ago
Evaluate the indicated function for f(x) = x2 − 1 and g(x) = x − 2 algebraically. If possible, use a graphing utility to verify
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ROOTS AND CUBES<br> Can someone please help me answer all 4 following?
Alex Ar [27]

NOTES:

  • squared (²) means multiply that number by itself 2 times
  • cubed (³) means multiply that number by itself 3 times
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Answer: (C) 41

<u>Step-by-step explanation:</u>

\quad 6^2+\sqrt[3]{125} \\= 6 \cdot 6+\sqrt[3]{5\cdot 5 \cdot 5}\\= 36 + 5\\= 41

***************************************************************************************

Answer: (C) 10

<u>Step-by-step explanation:</u>

   \bigg(\dfrac{7}{3}\times \sqrt[3]{27}-2\bigg)\times \dfrac{1}{5} + \sqrt{81}

=\bigg(\dfrac{7}{3}\times \sqrt[3]{3\cdot 3 \cdot 3}-2\bigg)\times \dfrac{1}{5} + \sqrt{9\cdot 9}

=\bigg(\dfrac{7}{3}\times3-2\bigg)\times \dfrac{1}{5}+9

=(7 - 2)\times \dfrac{1}{5}+9

=5 \times \dfrac{1}{5}+ 9

= 1 + 9

= 10

***************************************************************************************

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5³ = 5 · 5 · 5 = 125                               3³ = 3 · 3 · 3 = 27

\sqrt{1600}=\sqrt{40\cdot 40}=40                       \sqrt[3]{64}=\sqrt[3]{4\cdot 4\cdot 4}=4

\sqrt{144}=\sqrt{12\cdot 12}=12                            \sqrt[3]{8000}=\sqrt[3]{20\cdot 20\cdot 20}=20

3 0
3 years ago
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Evgesh-ka [11]

Step-by-step explanation:

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4 0
3 years ago
Is 2.72135 rational or irrational
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Answer:

rational

Step-by-step explanation:

since 2.72135 is finite (has an ending), it can be written as a fraction, meaning it is rational.

7 0
3 years ago
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