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Ymorist [56]
4 years ago
14

Solve x+y=7 and 3x-2y=11 using elimination

Mathematics
1 answer:
BartSMP [9]4 years ago
8 0
X=5 and y =2.
Here's how you do it.
Multiply the first equation by -3, and the second one by 1.
add the equations to eliminate x.
then solve for y by dividing both sides by -5, which gives us 2.
to solve for x subsitute 2 in for y.

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Nick is training for a biathlon he will swim every 6 days and bicycles every eight days on what days will he both swim and bicyc
Bumek [7]
On every 24th day because 6 and 8 are both multiples of every 24th number like 24.
6×4=24 8×3=24
6×8=48 8×6=48
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6×12=72 8×9=72
72/3=24 ...... and it keeps going

So the answer is every 24th day Nick will both swim and bike.
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3 years ago
Which answer represents the following conditional statement in shorthand?
AVprozaik [17]

Answer:

piano=instrument

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3 years ago
the train to hogwarts is moving at a speed of 120 mph. if hogwarts is 420 miles away, how long will the students train ride be ?
dexar [7]

Answer:

The train ride is 3.5 hours

Step-by-step explanation:

We know that distance is equal to rate times time

d = rt

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420 = 120*t

Divide each side by 120

420/120 = 120t/120

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4 0
3 years ago
Read 2 more answers
In simplest form what is 4 fifths squared - 2 fifths
luda_lava [24]

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5 0
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