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mote1985 [20]
3 years ago
7

Sarah received 55 for her birthday. She used some of that money to buy 333 shirts priced at m dollars each.

Mathematics
1 answer:
Fudgin [204]3 years ago
5 0

Answer:

You need to tell me (everyone) what M is or we can't figure out what the answer is.

Step-by-step explanation:

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SOLVE EACH SYSTEM USING SUBSTITUTION
NNADVOKAT [17]
1. since the equations equal each other 
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-x        -x
x+19=7
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x= -12
sub into y= x+7
y= -12+7
y= -5

2. x+2y=-7
<span>x+y+23=0
i don't know what the second equation is equal to, i'll assume 0

2y=x-7
y=1/2x-7/2
sub this into x+y+23=0
x+1/2x-7/2+23=0
3/2x+39/2=0
       -39/2   -39/2
3/2x= -39/2
x=-39/2 / 3/2
x= -13
sub into y=1/2x-7/2
y=1/2(-13)-7/2
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3. </span>x+5y=2
<span>x=-4y+5
</span>sub x=-4y+5 into x+5y=2
-4y+5+5y=2
y+5=2
  -5  -5
y= -3
sub y =-3 into x =-4y+5
x=-4(-3)+5
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4. 3x+y=9
<span>y=-5x+9
</span>sub -5x+9 into 3x+y=9
3x+(-5x+9)=9
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3 0
2 years ago
Describe how the graph of y | x| -4 is like the graph of y= |x| and how it is different.
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The graph y=|x|-4 is obtained from the graph y=|x| dy <span>moving down 4 units the graph y=|x|  along the y-axis (see, if x=0, then for y=|x|, y=0 and for y=|x|-4, y=-4).
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These two graphs have the same form.
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4 0
3 years ago
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HELP I'M SOOOOOO ANGRYYYYY PLEASE HELPPPP<br>determine the values of X for which g(x) is defined​
tiny-mole [99]

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In other words, anything but 0 or -2/3 is valid.

========================================================

Explanation:

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Therefore, we must exclude x = 0 and x = -2/3 from the domain. Any other real number is valid as an x input.

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3 0
2 years ago
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hodyreva [135]
Yes because 15+8=23 divide that into a number that could each child have and just make it into equal amounts
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