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irina [24]
3 years ago
10

The price of a 6-minute phone call is 1.80. What is the price of a 12-minute phone call?

Mathematics
2 answers:
Alina [70]3 years ago
7 0

Answer:

21.6 is the price.

Step-by-step explanation:

1.80×12

hoa [83]3 years ago
4 0

Answer:

3.60

Step-by-step explanation:

1.80 x 2

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Answer:

a + 8

Step-by-step explanation:

add 0 and a

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That's it! i hope you have a great day

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Which expressions below are equivalent to the expression -8(4x - 9y) + 8x - 4y? Select all that apply.
lesya [120]
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8 0
3 years ago
Given the function f(x)=x2+2x+1, find:<br><br> f( (2a−3)/5 ) =<br><br> Show working please!
Rina8888 [55]
<h3>Given</h3>
  • f(x) = x² + 2x + 1
<h3>Find</h3>
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<h3>Solution</h3>

It can be convenient to rewrite f(x) as a square, then do the substitution. That way, the algebra is simplified a little bit.

... f(x) = (x +1)²

... f((2a-3)/5) = ((2a-3)/5 +1)² = ((2a -3 +5)/5)²

... = (2/5(a+1))²

... f((2a-3)/5) = (4/25)(a² +2a +1)

7 0
3 years ago
Combine like terms to simplify 12x+4y-3x+2-8y²+3²
Vlad1618 [11]
Answer:
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I think so
3 0
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