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Ann [662]
3 years ago
10

{x|x less than or equal to -3 } pls help

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0
[1] xpfirst power is your answer
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i have 30 coins, all nickels, dimes and quarters, worth $4.60. there are two more dimes than quarters.. how many of each kind of
Oliga [24]

Answer:

Step-by-step explanation:

I have 30 coins, all nickels, dimes, and quarters, worth $4.60. There are two more dimes than quarters. How many of each kind of coin do I have.

..

let quarters be x

dimes = x+2

...

dimes + quarters = x+x+2=2x+2

...

nickels = 30-(2x+2)

...

5(30-(2x+2))+10(x+2)+25x=460

5(30-2x-2)+10x+20+25x=460

150-10x-10+10x+20+25x=460

160+25x=460

-160

25x=460-160

25x=300

/25

x=300/25

x=12 ---- quarters

x+2= 12+2=14 dimes

30-(2x+2)=4 nickels

...

check

4*5+14*10+12*25=20+140+300=460

4 0
2 years ago
How do you make this equation 13+5y=6x into slope-intercept form?
Reil [10]
In slope-intercept form, the y variable is isolated.
so,
<span>13+5y=6x
Subtract 13 on both sides.
5y=6x-13
Divide by 5 on both sides.
y=6/5 x -13/5</span>
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2 years ago
12.13=n+1.4 answere
kykrilka [37]

Answer:

10.9=n

Step-by-step explanation:


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3 years ago
Write a real-world problem that gives extra information. Tell what the extra information is.
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