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sleet_krkn [62]
2 years ago
7

Help!!! I really need this!!! ASAPPPPP

Mathematics
1 answer:
Korvikt [17]2 years ago
6 0

Answer:

1.5

# of postcards per day

and 9

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How to find the y intercept for4x+6y=270
Ugo [173]

make y the subject!

4x+6y=270

6y=-4x+270

y=-2/3x+45

y-intercept is 45

4 0
3 years ago
What is the unit rate if there are 258 purple polka-dot pencils in 3 purple polka-dot purses?
stiks02 [169]
Unit rate means one. So the best way to solve this is using a proportion over one. If there are 258 pencils in 3 purses 258/3 then how many are in one purses x/1. Cross multiply next. 258/3 * x/1. You get 3x and 258. To get the x alone, divide both sides by three. Your answer is 86 pencils in one purse.
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3 years ago
-0.333333333 into a fraction
sweet [91]

Answer:

-1/3

Step-by-step explanation:

1/3 is 0.33333... and then you just put a negative sign in front of it.

4 0
3 years ago
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Why is this not working <br><br> -2^2
BARSIC [14]

Answer:

-4

Step-by-step explanation:

(-2)^2=4 because a negative number squared is always positive

-(2)^2=-4

5 0
2 years ago
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Please help! Giving brainliest if you include explanation bc I need to learn this
zhannawk [14.2K]

Answer:

B is the most reasonable answer

Step-by-step explanation:

btw 9% of 578 is 52.02, so it works

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2 years ago
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