Chris’s hike started at an elevation of –12 m. His hike finished at an elevation of 235 m.
How much did Chris’s elevation change?
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OpenStudy (alivejeremy):
can someone help plz
OpenStudy (alivejeremy):
u get it
OpenStudy (sagewilson):
is this an addition question? If so the answer would be "Chris's elevation changed by 247m"
OpenStudy (alivejeremy):
yes ur right
OpenStudy (alivejeremy):
can u help wit more if u can and i'll help u if i can
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OpenStudy (sagewilson):
sure.
OpenStudy (alivejeremy):
ok
OpenStudy (alivejeremy):
u got any qusetion
OpenStudy (alivejeremy):
questions
OpenStudy (alivejeremy):
Ravi had $11 in his piggy bank on Monday. He deposited $1.30 into the piggy bank on Tuesday and removed $2.85 on Wednesday.
How much was left in Ravi’s piggy bank?
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OpenStudy (alivejeremy):
u still there
OpenStudy (sagewilson):
yeah
OpenStudy (alivejeremy):
ok lol
OpenStudy (alivejeremy):
i think its 9.45
OpenStudy (sagewilson):
you're correct.
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OpenStudy (alivejeremy):
Nolan lost 12.5 points in the final round of a game, bringing his score down to –8. Suppose p represents Nolan’s points before he lost the final round.
Which equation can be used to represent this situation?
A.
p – (–8) = –12.5
B.
p + 12.5 = –8
C.
p – 12.5 = –8
D.
p + 8 = 12.5
OpenStudy (alivejeremy):
and i don't have one idea
OpenStudy (sagewilson):
it's okay. Just give me a minute.
OpenStudy (alivejeremy):
i think its C
OpenStudy (sagewilson):
Yup. It is C.
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OpenStudy (alivejeremy):
On Wednesday, William wrote a check in the amount of $45.60. This brought his balance down to –$15.75. Suppose n represents William’s balance before he wrote the check.
Which equation can be used to represent this situation?
A.
n + 15.75 = –45.60
B.
n – 15.75 = 45.60
C.
n + 45.60 = –15.75
D.
n – 45.60 = –15.75
OpenStudy (sagewilson):
It is D.
OpenStudy (alivejeremy):
yup its D
OpenStudy (alivejeremy):
ok u got any
OpenStudy (alivejeremy):
i can help u
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OpenStudy (sagewilson):
Not at the moment.
OpenStudy (alivejeremy):
lol
OpenStudy (sagewilson):
But if you need anymore help just message me.
OpenStudy (alivejeremy):
ok kool
OpenStudy (alivejeremy):
i just fan u
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OpenStudy (sagewilson):
Cool. You might wanna close this up so you can ask questions later.