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Feliz [49]
3 years ago
14

Please somone helppppp

Mathematics
2 answers:
Lyrx [107]3 years ago
6 0

Answer:

its an open circle on -2 and the line is to the right

Step-by-step explanation:

-2x=4

x=4/-2=-2

and the sign is the same and its an open dot because its not greater too or equal to

Fiesta28 [93]3 years ago
4 0

Answer:

the answer is 8

I cant graph it for you sorry

Step-by-step explanation:

-2x>4

*2   *2

 x = 8

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3 years ago
Kristen has 64 coins in her bank. She has $9.25 in dimes and quarters. How many dimes and quarters does she have?
Stella [2.4K]
D= # of dimes
q= # of quarters

QUANTITY EQUATION:
d + q= 64

COST EQUATION:
0.10d + 0.25q= $9.25


STEP 1:
multiply quantity equation by -0.10 to be able to eliminate the d term in step 2

(-0.10)(d + q)= (-0.10)(64)
-0.10d - 0.10q= -6.40


STEP 2:
add equation from step 1 to cost equation to eliminate the d term and solve for q

Add
0.10d + 0.25q= $9.25
-0.10d - 0.10q= -6.40

0.15q= 2.85
divide both sides by 0.15

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STEP 3:
substitute q value in step 2 into either original equation to find d value

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subtract 19 from both sides

d= 45 dimes


CHECK:
0.10d + 0.25q= $9.25
0.10(45) + 0.25(19)= 9.25
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ANSWER: There are 45 dimes and 19 quarters.

Hope this helps! :)
7 0
3 years ago
Linear function whose graph has a slope of 7
Inessa05 [86]

Answer:

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Step-by-step explanation:

just a slope of 7 here, but you could add some # like y=7x+4

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