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mariarad [96]
2 years ago
12

What is the proportion of 22/3

Mathematics
1 answer:
DochEvi [55]2 years ago
6 0

Answer:

733.333333333333%

Step-by-step explanation:

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What is the size of the tv when it’s 66 inches long and 56 inches tall
aleksklad [387]
Area= 3696in squared
Perimeter= 244in
3 0
2 years ago
18. Explain the Error Andy and Sylvie each incorrectly simplified
tangare [24]

Answer:

the correct solution is -8x + 9.

Step-by-step explanation:

6 0
2 years ago
A fraction becomes 4÷5 if 1 is added to both numerator and denominator. If, however, 5 is subtracted from both numerator and den
tia_tia [17]

Answer:

\dfrac{7}{9}

Step-by-step explanation:

\dfrac{x+1}{y+1}=\dfrac{4}{5}\\\Rightarrow 5x-4y=-1

\dfrac{x-5}{y-5}=\dfrac{1}{2}\\\Rightarrow 2x-y=5

Putting it in matrix form

\begin{bmatrix}a_{1}&b_{1}\\a_{2}&b_{2}\end{bmatrix}{\begin{bmatrix}x\\y\end{bmatrix}=\begin{bmatrix}{c_{1}}\\{c_{2}}\end{bmatrix}\\\Rightarrow\begin{bmatrix}5 & -4\\2 & -1\end{bmatrix}\begin{bmatrix}x\\ y\end{bmatrix}=\begin{bmatrix}-1\\ 5\end{bmatrix}

From Cramer's rule we have

x=\dfrac{\begin{vmatrix}c_1 &b_1 \\ c_2 & b_2\end{vmatrix}}{\begin{vmatrix}a_1 &b_1 \\ a_2& b_2\end{vmatrix}}\\\Rightarrow x=\dfrac{\begin{vmatrix}-1 &-4 \\ 5 & -1\end{vmatrix}}{\begin{vmatrix}5 &-4 \\ 2& -1\end{vmatrix}}\\\Rightarrow x=\dfrac{1+20}{-5+8}\\\Rightarrow x=7

y=\dfrac{\begin{vmatrix}a_1 &c_1 \\ a_2 & c_1\end{vmatrix}}{\begin{vmatrix}a_1 &b_1 \\ a_2& b_2\end{vmatrix}}\\\Rightarrow y=\dfrac{\begin{vmatrix}5 &-1 \\ 2 & 5\end{vmatrix}}{\begin{vmatrix}5 &-4 \\ 2& -1 \end{vmatrix}}\\\Rightarrow y=\dfrac{25+2}{-5+8}\\\Rightarrow y=9

Verifying the results

\dfrac{7+1}{9+1}=\dfrac{8}{10}=\dfrac{4}{5}

\dfrac{7-5}{9-5}=\dfrac{2}{4}=\dfrac{1}{2}

Hence, the fraction is \dfrac{7}{9}.

6 0
3 years ago
Change to 2/5 to hundredths
snow_tiger [21]

Answer:

40/100

Step-by-step explanation:

100/5 = 20

2/5 x 20 = 40/100

3 0
3 years ago
Read 2 more answers
Graph the linear equation <br> y=-5
Naya [18.7K]

Answer:

Answer in the picture: x = 1 | y = -5

Step-by-step explanation:

Not sure if that's the answer you're looking for but I think that's it

3 0
3 years ago
Read 2 more answers
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