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s2008m [1.1K]
3 years ago
12

Y = –x + 4 x + 2y = –8 How many solutions does this linear system have?

Mathematics
2 answers:
masya89 [10]3 years ago
4 0
It only has one solution. x= 16 and y = -12
Daniel [21]3 years ago
4 0
I just took the test, it's no solution. C
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fiasKO [112]
It is C. r=6

3 * 6 = 18 + 2 =20
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3 years ago
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the length of a rectangle is 3 times the width. If the length is increased by 4 cm and the width is decreased by 1 cm, the perim
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Step-by-step explanation:

In the attached file

6 0
3 years ago
Shayla has 6 1/2 pounds of potato salad into containers each of which holds 1 5/8 pounds. How many containers does she need?
Oksi-84 [34.3K]

let's firstly convert the mixed fractions to improper fractions and then divide.

\bf \stackrel{mixed}{6\frac{1}{2}}\implies \cfrac{6\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{13}{2}}~\hfill \stackrel{mixed}{1\frac{5}{8}\implies \cfrac{1\cdot 8+5}{8}}\implies \stackrel{improper}{\cfrac{13}{8}} \\\\[-0.35em] ~\dotfill

\bf \stackrel{\textit{total salad}}{\cfrac{13}{2}}\div \stackrel{\stackrel{\textit{conainer's}}{\textit{capacity}}}{\cfrac{13}{8}}\implies \cfrac{\begin{matrix} 13 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}{\underset{1}{\begin{matrix} 2 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}}\cdot \cfrac{\stackrel{4}{\begin{matrix} 8 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}}{\begin{matrix} 13 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}}\implies 4

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3 years ago
If ΔABC is dilated by a scale factor of 2 with a dilation center of A, what will be the coordinates of point B'?
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