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Eduardwww [97]
4 years ago
6

How do you do this maths I need help please

Mathematics
1 answer:
sveticcg [70]4 years ago
8 0
You are trying to find out how much one oz costs

2.50/5 = amount 1 oz cost

2.50/5 = .50

1 oz costs 0.50

hope this helps
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3 0
3 years ago
OPEN ENDED QUESTION
posledela

Answer: I hope this helps :)

Substitution:  45+15(6-1)

Simplify:  120

Step-by-step explanation:

Calculate within parenthases (6-1) =5    =45+15(5)

Multiply left to right 15(5)=75      =45+75

Add leftg to right 45+75=120

Answer = 120

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3 years ago
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3 years ago
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tino4ka555 [31]

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3 years ago
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Find a real number c such that x^(2)+12x+c is a perfect square trinomial.
balu736 [363]

Answer:

The value of c is 36

Step-by-step explanation:

Now, we fine the perfect square polynomial, we need to have the expression of the form:

a^2+b^2+2ab

so this can be written as a perfect square as: a^2+b^2+2ab= (a+b)^2

Now the expression given to us is:

x^{2}+12x+c

so when c is 36, we will get:

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Now, this can be re-written as:

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so here we can see that it is of the form:

a^2+b^2+2ab

so the perfect square is:

x^(2)+2*6*x+6^2= (x+6)^2

Hence, when c = 36 we get a perfect square.

8 0
3 years ago
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