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lozanna [386]
3 years ago
9

WHOEVER ANSWERS THIS QUESTION IN 5 MINS WELL GET THE BRAINLIEST ANSWER!!!! Ms. Kitts works at a music store. Last week she sold

6 more tha 3 times the number of CDs that she sold this week. Ms. Kitts sold total of 110 CDs over the 2 weeks. Which system of equations can be used o find l, the number of CDs she sold last week, and t, the number od CDs she sold this week?
Mathematics
1 answer:
lianna [129]3 years ago
8 0
60 because she sold a total of 110
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Answer:

221

Step-by-step explanation:

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3 years ago
Which expressions have a value of 16/81? Check all that apply.
lana [24]

Which expression have a value of 16/81? check all that apply. (2/3)^4, (16/3)^4, (4/81)^2, and (4/9)^2

Answer:

First and last option is correct.

(\frac{2}{3})^{4}=\frac{16}{81}

(\frac{4}{9})^{2}=\frac{16}{81}

Step-by-step explanation:

Given:

There are four options.

(2/3)^4, (16/3)^4, (4/81)^2, and (4/9)^2

We need to check all given options for value of 16/81.

Solution:

Using rule.

(\frac{a}{b})^{n}=\frac{a^{n}}{b^{n}}

Solve for option (\frac{2}{3})^4.

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Solve for option (\frac{16}{3})^4.

(\frac{16}{3})^{4}=\frac{16^4}{3^4}=\frac{16\times 16\times 16\times 16}{3\times 3\times 3\times 3}=\frac{65536}{81}

Solve for option (\frac{4}{81})^2.

(\frac{4}{81})^{2}=\frac{4^2}{81^2}=\frac{4\times 4}{81\times 81}=\frac{16}{6561}

Solve for option (\frac{4}{9})^2.

(\frac{4}{9})^{2}=\frac{4^2}{9^2}=\frac{4\times 4}{9\times 9}=\frac{16}{81}

Therefore, expression (\frac{2}{3})^4 and (\frac{4}{9})^2 have a value of  \frac{16}{81}.

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Answer:

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