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goblinko [34]
3 years ago
8

Prove that 15-7 root 3 is irrational​

Mathematics
1 answer:
Anton [14]3 years ago
7 0

Answer:

Step-by-step explanation:

\text{Did you mean}\\ \\ \sqrt[3]{15-7}\\ \\ \sqrt[3]{8}=2\text{ which IS a rational number}

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I need help with this quickly anybody. (no pictures)
VikaD [51]

Answer:

Its C

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Cady's cats often share a carton of cat milk. Sammy always drinks 1/3 of the carton, tommy drinks 5/12 of the carton and Suzi dr
juin [17]
Start by making the denominators equal.

1/3 becomes 4/12
1/6 becomes 2/12
and you have 5/12.

Add together to get 10/12.

Once simplified, the answer should be 5/6.
4 0
3 years ago
Lucy works as a tutor for $7 an hour and as a waitress for $12 an hour. This month, she worked a combined total of 86 hours at h
KonstantinChe [14]
<h3>Answer:   7t + 12(86-t)</h3>

==========================================================

Explanation:

  • t = number of hours she worked as a tutor
  • 86-t = number of hours she worked as a waitress

The two expressions mentioned add to 86, to indicate the total number of hours for both jobs combined.

  • 7t = amount earned as a tutor
  • 12(86-t) = amount earned as a waitress

We multiply the number of hours by the wage per hour to get the amount earned per job.

Lastly, we add those two subtotals to get the grand total earned

7t + 12(86-t)

Optionally you can distribute the 12 through and combine like terms. I'll leave it like this because I think it's more descriptive to show the two amounts earned from each job.

If you wanted to simplify 7t+12(86-t), then you would get 1032-5t or -5t+1032

6 0
2 years ago
Select the correct answer.
Tomtit [17]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
Find the sum of these polynomials<br> (x^8-x+7)+(9x^8+6)=
DerKrebs [107]
<span><span><span><span>I think is this 9<span>x8</span></span>+<span>x7</span></span>−x</span>+<span>13</span></span>
8 0
3 years ago
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