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4 years ago

12

Sara can take no more than 22 pounds of luggage on a trip. Her suitcase weighs 112 ounces. How many more ponds can she pack with

out going over the limit?

1 answer:

Elena L [17]4 years ago

7 0

112oz(lb/16oz)+x≤22

7+x≤22

x≤15

So she can pack 15 more pounds without going over the limit.

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Answer this one please!

Scilla [17]

Using simultaneous equation,

a=-1, b=1, x=1, y=0
OR
a=1, b=-1, x=1, y=0.

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2 years ago

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Step-by-step explanation:

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3 years ago

Last questions, plz help

Goryan [66]

Answer:

9. $a_n=7+6n$

10. $a_n=a_{n-1}+7$

Step-by-step explanation:

9. Given the sequence

$13, 19, 25, ...$

In this sequence,

$a_1=13\\ \\a_2=19\\ \\a_3=25\\ \\...$

Note that

$a_2-a_1=19-13=6\\ \\a_3-a_2=25-19=6,$

then the common difference in this sequence is $d=6$

You have

$a_1=13\\ \\d=6,$

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$a_n=a_1+(n-1)d\\ \\a_n=13+(n-1)\cdot 6\\ \\a_n=13+6n-6\\ \\a_n=7+6n$

10. Given the sequence

$-10,-3, 4, 11, ...$

In this sequence,

$a_1=-10\\ \\a_2=-3\\ \\a_3=4\\ \\a_4=11\\ \\...$

Note that

$a_2-a_1=-10-(-3)=-10+3=-7\\ \\a_3-a_2=-3-4=-7\\ \\a_4-a_3=11-4=7,$

then the common difference in this sequence is $d=7$

You have

$a_1=-10\\ \\d=7,$

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$a_n=a_{n-1}+d\\ \\a_n=a_{n-1}+7$

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3 years ago

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3 years ago