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Dima020 [189]
3 years ago
9

Select the correct expressions.

Mathematics
1 answer:
vlabodo [156]3 years ago
7 0

Answer:

9x -9

9(x - 1)

4(3x-3) - 3x + 3

 

( Hope this helps ) <(^w^)>

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9x-9=27 help me with this
Ray Of Light [21]

Answer:

x=4

Step-by-step explanation:

9x-9=27

Add 9 to each side

9x-9+9=27+9

9x = 36

Divide by 9

9x/9 = 36/9

x = 4

8 0
3 years ago
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Craig Deloy deposited $800 in a new savings account. The bank pays 4.5% simple interest computed on a daily basis. He made no ot
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keeping in mind that 250 days is not even a year, since there are 365 days in a year, assuming so, then 250 days is really 250/365 years.


\bf ~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$800\\ r=rate\to 4.5\%\to \frac{4.5}{100}\dotfill &0.045\\ t=years\to \frac{250}{365}\dotfill &\frac{50}{73} \end{cases} \\\\\\ I=(800)(0.045)\left( \frac{50}{73}\right)\implies I\approx 24.658

8 0
3 years ago
A rectangular cotton field is 525 feet wide. The field of cotton has a perimeter of 2025 feet. Which equation represents the cot
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Answer:

hi

Step-by-step explanation:

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3 years ago
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Please help with question #3!
Dmitry [639]

Answer:

  e.  1/(49n² +7n)

Step-by-step explanation:

\dfrac{(7n-1)!}{(7n+1)!}=\dfrac{(7n-1)!}{(7n+1)(7n)(7n-1)!}=\dfrac{1}{(7n+1)(7n)}\\\\=\dfrac{1}{49n^2+7n}

5 0
3 years ago
Solve the system of equations below. Enter your answer in the boxes.
Vesna [10]
Simplifying
8a + 12b = 92

Solving
8a + 12b = 92

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-12b' to each side of the equation.
8a + 12b + -12b = 92 + -12b

Combine like terms: 12b + -12b = 0
8a + 0 = 92 + -12b
8a = 92 + -12b

Divide each side by '8'.
a = 11.5 + -1.5b

Simplifying
a = 11.5 + -1.5b
3 0
3 years ago
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