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leonid [27]
3 years ago
11

Kara has $38 for the mall with her 5 friends, but she wanted to buy a purse for $18, also she wanted to get bracelets for her fr

iends, the bracelets were $5 each. How many bracelets could she get? solve using inequalities. show your work, please
Mathematics
1 answer:
posledela3 years ago
8 0

Answer:

4

Step-by-step explanation:

she has enough for 4 braclets

38-18=20

5x5 =25

so she can buy 4 braclets because 4 people can have them

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Vikentia [17]

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4 0
3 years ago
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Firdavs [7]

We are given :

\sqrt{4x^{2}-20x+25}

Step 1: factor the part inside square root

The function given inside square root is of quadratic form.

So let us try to factorise it using AC method.

Here A*C = 4*25 = 100

so we have to find factors of 100 that add up to give -20.

the two factors are -10 and -10.

Rewriting the function :

4x^{2} -20x+25

=4x^{2} -10x-10x+25

=2x(2x-5) - 5(2x-5)

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Step 2:

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= 2x-5

Answer : (2x-5)

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3 years ago
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