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densk [106]
3 years ago
6

Erin set a goal. She would spend 30 minutes on her homework every day. She started working at 4:39 p.m. What time did she finish

?
Mathematics
1 answer:
pychu [463]3 years ago
8 0

Answer:

  5: 09

Step-by-step explanation:

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The expression can be simplified and written without negative exponents as...
Ksju [112]

\dfrac{(27y^{-2})^\frac{1}{3}}{y^{-\frac{2}{3}}}=(27)^\frac{1}{3}(y^{-2})^\frac{1}{3}:\dfrac{1}{y^\frac{2}{3}}=\sqrt[3]{27}y^{-2\cdot\frac{1}{3}}\cdot y^\frac{2}{3}\\\\=3y^{-\frac{2}{3}}\cdot y^\frac{2}{3}=3y^{-\frac{2}{3}+\frac{2}{3}}=3y^0=3\\\\\text{used:}\\\\(a\cdot b)^n=a^n\cdot b^n\\\\a^\frac{1}{n}=\sqrt[n]{a}\\\\a^{-n}=\dfrac{1}{a^n}\\\\(a^n)^m=a^{n\cdot m}\\\\a^n\cdot a^m=a^{n+m}\\\\a^0=1,\ a\neq0

6 0
4 years ago
Name the quadrant in which the point (-4, -3) could be found on the coordinate plane
lesantik [10]
On the negative plane field? because everything on the - side is negative.
5 0
3 years ago
3/8 of the students in Ms. Mull’s class ride the bus. If there are 24 students in the class, how many students ride the bus?
dsp73

Answer:

9 students

Step-by-step explanation:

To find how many students ride the bus, you must do 3/8 times 24. The word "of" in math means to multiply. 3/8 times 24 equals 9.

3 0
3 years ago
Part 1 - Application
madam [21]

Answer:

see explanation. (I did this exact assignment this morning, and this is very similar to what I submitted)

Step-by-step explanation:

The contrapositive of a conditional is the same as the converse of the inverse of the conditional.

The best way to prove/support this statement is to create an example. You should start by creating a conditional; you can then form the conditional's converse, inverse, and contrapositive. Here is an example:

Conditional: If C, then D. (starting statement)

Converse: If D, then C. (conditional reversed)

Inverse: If not C, then not D. (opposite of the conditional)

Contrapositive: If not D, then not C. (reversed opposite of the conditional)

Based on the information from the example you gave, you can conclude:

The converse of the inverse: If not D, then not C. (reversed opposite of the conditional)

Because: The converse is the conditional reversed (If D, then C). The inverse of the converse, in this case, would then make it the opposite (If not D, then not C).

I have not yet received a grade on this assignment, but I know the information is correct; the amount of explanation you need to give really depends on how your teacher grades. Personally, I just submitted an example (similar to the one above) that was color-coded to help show the different parts of each statement.

I hope this helps! :)

7 0
2 years ago
How to answer part d) ??
gregori [183]
Find the ratio and proportion
8 0
3 years ago
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