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Mathematics

1 answer:

ankoles [38]3 years ago

4 0

Answer:

I know someone answer my questions please quick!

Step-by-step explanation:

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What is the measurement of abd

belka [17]

Answer:

it is 23. always remember it's supposed to add up to 180. So add up all your numbers and subtract the total from 180 to get your answer

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3 years ago

Read 2 more answers

1. mandy is saving her money to buy a new Bike. The bike she wants is a Diamond back, which

san4es73 [151]

Answer:

Katelynn has $285 already saved. The bike she likes starts at 475. It starts at, it's not exactly. However, we are looking for the least amount she needs to save. Therefore, we need to subtract what she has saved from the least amount she is trying to save or reach. least amount needed $475 minus-saved $285 this equals $190.

Step-by-step explanation:

3 0

3 years ago

Can some one help how to work out this problem x-y=11 2x+y=19 solve by substitution

kati45 [8]

$x-y=11 \\
2x+y=19 \\ \\
\hbox{solve the 1st equation for x:} \\
x-y=11 \\
x=11+y \\ \\
\hbox{substitute 11+y for x in the 2nd equation:} \\
2(11+y)+y=19 \\
22+2y+y=19 \\
22+3y=19 \ \ \ |-22 \\
3y=-3 \ \ \ |\div 3 \\
y=-1 \\ \\ x=11+y=11-1=10 \\ \\
(x,y)=(10,-1)$