4(x – 3) = 7x + 24
A.
x = –36
B.
x = 12
C.
x = 4
D.
x = –12
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OpenStudy (anonymous):
4x-12=7x+24
4x-7x=24+12
-3x=36
-x=12
x=-12
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
yup np, but do you understand it?
OpenStudy (anonymous):
Yeah (:
OpenStudy (anonymous):
what grade r u in?
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OpenStudy (anonymous):
9th
OpenStudy (anonymous):
Can you help with this one?
OpenStudy (anonymous):
sure
OpenStudy (anonymous):
do you know much about exponents?
OpenStudy (anonymous):
Yeah.
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OpenStudy (anonymous):
ok hold on one sec
OpenStudy (anonymous):
ok.
OpenStudy (anonymous):
it seems that a = 3
OpenStudy (anonymous):
3^-3=1/27
OpenStudy (anonymous):
So, what's the answer?
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OpenStudy (anonymous):
haha yah
OpenStudy (anonymous):
a=3
OpenStudy (anonymous):
3 is the answer?
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
Thank you so so much!
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OpenStudy (anonymous):
anymore?
OpenStudy (anonymous):
alright frosted good luck with school this year!!!!!
OpenStudy (anonymous):
Thanks! If I have anymore, I'll tell you!
OpenStudy (anonymous):
okidoki
OpenStudy (anonymous):
What is the solution to the inequality?
4x + 7 > –13
A.
x < –5
B.
x > –5
C.
x < 5
D.
x > 5
@CALCULASMASTER_1,2,3
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OpenStudy (anonymous):
Let, 4x+7>-13.....
4x>-13-7
4x>20
x>5
Ans. x>5!
OpenStudy (anonymous):
Thanks so much oh my goodness!
OpenStudy (anonymous):
just let me know when you need help, Im here anytime!.....
OpenStudy (anonymous):
Which property is shown?
–7 + 24 = 24 + (–7)
A.
opposite of a sum property
B.
commutative property
C.
distributive property
D.
associative property
@CALCULASMASTER_1,2,3
OpenStudy (anonymous):
Please help.
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OpenStudy (anonymous):
yes I am, just one sec, let me review on properties, they were such a long time ago, one sec
OpenStudy (anonymous):
Okay, thanks!
OpenStudy (anonymous):
its communicative
OpenStudy (anonymous):
typo lol
OpenStudy (anonymous):
Thanks!
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OpenStudy (anonymous):
What is the value of the expression x + (–y) when x = –3.8 and y = 1.7?
A.
–5.5
B.
–2.1
C.
2.1
D.
5.5
This one?
@CALCULASMASTER_1,2,3
OpenStudy (anonymous):
x+(-y)=x-y=(x)-(y)=(-3.8)-(1.7)=(-3.8-1.7)=-5.5.
OpenStudy (anonymous):
Any more questions?
OpenStudy (anonymous):
Help please?
OpenStudy (anonymous):
Would you like to understand how I get the answer?
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OpenStudy (anonymous):
No, I understand it.
OpenStudy (anonymous):
ok, hold on
OpenStudy (anonymous):
Do you have the answer yet?
OpenStudy (anonymous):
I'm timed.
OpenStudy (anonymous):
ypu need to find 2/3 of 3/4
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OpenStudy (anonymous):
How?
OpenStudy (anonymous):
2/3times2/4=1/2
OpenStudy (anonymous):
So, 1/2 is the answer?
OpenStudy (anonymous):
yup
OpenStudy (anonymous):
Thanks.
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OpenStudy (anonymous):
Woah, I am stuck on one! Help please?
OpenStudy (anonymous):
@CALCULASMASTER_1,2,3
OpenStudy (anonymous):
30
OpenStudy (anonymous):
@CALCULASMASTER_1,2,3
What is the value of the expression 15 + 3 • 4 – 8 ÷ 2?
A.
17
B.
23
C.
32
D.
68
The answer is 23, correct?
OpenStudy (anonymous):
Am I right @CALCULASMASTER_1,2,3
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OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Last one.
OpenStudy (anonymous):
Help, I'm running out of time.
OpenStudy (anonymous):
I have legit 5 minutes.
OpenStudy (anonymous):
31/15
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