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____ [38]
3 years ago
7

Find the slope of the line that passes through 5,4 and -4,3

Mathematics
1 answer:
dolphi86 [110]3 years ago
7 0

Answer:

1/9

Step-by-step explanation:

4-3/5--4

1/9

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Step-by-step explanation:

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A customer works into a post office to purchase stamps. she purchases a total of 45 stamps. some of the stamps are 49cent stamps
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Step-by-step explanation:Let number of 49 cents =A

                                             Let number of 33 cents=B

<u>A+B=45    equation 1</u>

1 $=100 cents

49 cents =.49 dollar

33 cents=.33 dollar

so .<u>49A+.33B=17.89    equation 2</u>

Add equation 1 and equation 2

since these are simultaneous equations

.49A+.33B=17.89

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so divide equation 2 by 100 we get

49A+33B=1789

    A+B     =45 multiply equation 1 by 33 on both the sides we get

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so subtract equation 3 from equation 2 we get

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<u>33A+33B=1485    equation 3</u>

<u>16A+0      =304</u>

16A=304

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A=19

putting nalue of A in equation 1 we get

A+B=45

19+B=45

B=45-19

B=26

so number of 49 cent stamps are 19

and number of 33 cent stamps are 26

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If you are doing distance do you add or subtract?
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Answer:

it depends on what the question asks

Step-by-step explanation:

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