3 years ago

Help me please anyone I don’t understand

Mathematics

2 answers:

fredd [130]3 years ago

5 0

7.50 because half of 5.00 is 2.50 soo it would be 5.00 + 2.50

swat323 years ago

4 0

$7.50
Because 2 miles equals $5.00 have of $5.00 is $2.50. $5.00+$2.50=$7.50

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#growingupblack be like I swear all of um true as hell

tigry1 [53]

Answer:

hahahaaaaaaaa

5 0

3 years ago

Solve the system using combination method to get a solution (x,y)<br> 4x+7y=10<br> -4x-6y=28

PIT_PIT [208]

$\left \{ {{4x+7y=10} \atop {-4x-6y=28}} \right. \\\\add\ those\ two\ equations\\\\
y=38\\\\
4x+7y=10\ \ \ | subtract\ 7y\\\\
4x=10-7x\ \ \ \ | divide\ by\ 4\\\\
x=\frac{10-7x}{4}=\frac{10-7*38}{4}=\frac{10-266}{4}=\frac{-256}{4}=-64\\\\
solution:\\ \left \{ {{y=38} \atop {x=-64}} \right.$