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Delicious77 [7]
3 years ago
14

What is the simplified expression for 3 a squared + 9 a b + 5 minus 4 a squared minus 4 a b + 3?

Mathematics
2 answers:
Gemiola [76]3 years ago
8 0

Answer:

-1ab^2 + 5b + 8

Step-by-step explanation:

3a^2+9ab+5-4a^2-4ab+3

3a^2-4ab^2=-1ab^2

9ab-4ab=5ab

5+3=8

-1ab^2+5ab+8

attashe74 [19]3 years ago
6 0

Answer:

Step-by-step explanation:

3a²+9ab+5-(4a²-4ab+3)=3a²+9ab+5-4a²+4ab-3=-a²+13ab+2

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Ryan, Michelle, and Erwin spent $13.50, $16.50, and $14, respectively, at an amusement park. Ryan bought three tickets for the F
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The matrix equation that represents this situation is

\left[\begin{array}{ccc}3&2&0\\1&0&4\\3&1&1\end{array}\right]*\left[\begin{array}{ccc}x\\y\\z\end{array}\right]=\left[\begin{array}{ccc}13.50\\16.50\\14.00\end{array}\right]

Use technology to find the inverse of matrix A:

A^{-1}=  \left[\begin{array}{ccc}-\frac{2}{5}&-\frac{1}{5}&\frac{4}{5}\\
\frac{11}{10}&\frac{3}{10}&-\frac{6}{5}\\\frac{1}{10}&\frac{3}{10}&-\frac{1}{5}\end{array}\right]

Multiplying A inverse by B, we get the solution matrix
[tex]\left[\begin{array}{ccc}2.50\\3\\3.50\end{array}\right][\tex]
4 0
3 years ago
Read 2 more answers
PLEASE ANSWER FAST IT WILL HELP ME SO MUCH
Sunny_sXe [5.5K]

Answer:

I believe it's enlargement

Step-by-step explanation:

because you have a positive scale factor and it goes to the right 3 and up 4

7 0
3 years ago
Today Ebuka opened a new cereal box. He ate a bowl of the cereal, which was 8% of the cereal in
densk [106]

Answer:

he can get 12 bowls

Step-by-step explanation:

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
Ksenya-84 [330]

Answer:

B. 600,000 (1.15)^{n-1}

Step-by-step explanation:

The <em>n-th</em> term of a geometric sequence with initial value a and common ratio r can be determined by multiplying the first term of the sequence (i.e. initial value a) by r^{n-1}.

The first term (i.e. initial value a) is 600,000.

The common ratio r can be calculated by dividing any two consecutive terms in the sequence:

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Thus, we get the answer:

the explicit rule that can be used to determine the value of the art collection n years after that is 600,000 (1.15)^{n-1}

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3 years ago
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