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CaHeK987 [17]
4 years ago
11

Solve by the substitution method 7x+6y = -17 -3x+y =18

Mathematics
1 answer:
Novay_Z [31]4 years ago
3 0
6 is your answer so it's like this x=3 y=6 or x=6 y=3
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Involves triangle centroid
Rasek [7]
Here, you do the same as the previous one, keeping in mind that X cuts TW in a 2:1 ratio.

\bf TW-TX=XW\implies \cfrac{8a}{5}+\cfrac{1}{10}-\left(a +\cfrac{4}{5} \right)=XW
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\cfrac{8a}{5}+\cfrac{1}{10}-a-\cfrac{4}{5}=XW\implies \cfrac{3a}{5}-\cfrac{7}{10}=XW\\\\
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\bf TX:XW\qquad 2:1\qquad \cfrac{TX}{XW}=\cfrac{2}{1}\implies \cfrac{a+\frac{4}{5}}{\frac{3a}{5}-\frac{7}{10}}=\cfrac{2}{1}
\\\\\\
\cfrac{\frac{5a+4}{5}}{\frac{6a-7}{10}}=\cfrac{2}{1}\implies \cfrac{5a+4}{5}\cdot \cfrac{10}{6a-7}=\cfrac{2}{1}\implies \cfrac{10a+8}{6a-7}=\cfrac{2}{1}
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6 0
4 years ago
A circular can has diameter 4 ft and height 3 ft.
madreJ [45]

Answer:

V ≈ 37.7 ft³

Step-by-step explanation:

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V = πR²h

V = 3.14(4/2)²(3)

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4 0
3 years ago
relationship between two quantities in which the ratio of one quantity to the other quantity quantity is constant
Anastaziya [24]
<span>Proportional Relationship should be the correct answer.</span>
8 0
3 years ago
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Mice21 [21]
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8 0
4 years ago
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Use the diagram to find the measure of the given angle.
Lyrx [107]

Answer:

50

Step-by-step explanation:

4 0
3 years ago
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