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IceJOKER [234]
1 year ago
9

Alejandra is packing a bag for a flight. The airline has a baggage weight limit, and Alejandra has already packed her bag with s

ome essentials. All she has left is her outfits and shoes, which must weigh less than 30 pounds total.
If Alejandra estimates that one outfit welghs two pounds and one pair of shoes weighs three pounds, which graph represents the number of outfits and shoes that Alejandra can pack while staying under the weight limit?​
Mathematics
1 answer:
slava [35]1 year ago
3 0

there are no pictures of a graph BUT i can give you the intercepts.

x=2

y=12

OR

x=4

y=8

OR (sorry i cant see the graph options its one of the three)

x=8

y=3

its a solid line

x are the shoes

y are the outfits

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Let
x-------> the cost of the burger
y-------> the cost of the <span>sandwiches

we know that
3x+2y=27-----> equation 1
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adds equation 1 and equation 2
</span> 3x+2y=27
-4x-2y=-32
<span>----------------
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3*5+2y=27----> 2y=27-15-----> y=6

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the answer is the option
</span><span>3) The student's conclusion is correct because the solution to the system of equations 3x + 2y = 27 and 2x + y = 16 is (5, 6).</span>
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I'm sorry I don't know that
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If n(A-B)=18,n(AuB)=70 and n(AnB)=25 then find n(B)
svp [43]

n(A-B) denotes elements which are in A but not in B

n(Au B) denotes elements in A and B

n(AnB) denotes elements that are common in A and B

Now I will add one more set

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So, n(AuB) = n(A-B) + n( B-A) +n(AnB)

70 = 18 +n(B-A) + 25

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If you would like to solve the system of equations 5x + 4y = 12 and 3x - 3y = 18 using elimination, you can do this using the following steps:

<span>5x + 4y = 12    /*3
3x - 3y = 18    /*4
_____________
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