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Kobotan [32]
3 years ago
9

1. Ivan bought three magazines for $6.50 each. The sales tax was 7%. What

Mathematics
1 answer:
Gnoma [55]3 years ago
7 0

Answer:

I got 6.955

I would round and say he paid $6.96

Step-by-step explanation:

i multiplied 6.50 by 1.07

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Answer:

1. acute

2.acute

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A car travels 150km on 12 L of gasonline. How many liters are there of gasoline needed to travel 500km
coldgirl [10]
150 = 12
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3 years ago
What’s 12 rounded to the whole number
marin [14]

Answer:

Step-by-step explanation:

12.45

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Read 2 more answers
What are the features of the parabola modeled by the equation f(x) = x2 - 114x ?
notsponge [240]

Answer:

Answers are in bold type

Step-by-step explanation:

f(x) = x^{2} -144x

The parabola opens up, so has a minimum at the vertex.

Let (h, k) be the vertex

h = -b/2a = - (-144)/2(1) = 57

k = 57^2 - 144(57) = 3249 - 6498 = -3249

Therefore, the vertex is (57, -3249)

The minimum value is -3249

The domain is the set of real numbers.  

The  range = {y | y ≥ -3249}

The function decreases when -∞ < x < 57  and increases when 57 > x > ∞

The x - intercepts:  x^{2} -144x = 0

                                x(x - 114x) = 0

                                x = 0 or x = 114

x-intercepts are (0, 0) and (0, 114)

When x = 0, then we get the y-intercept.  So, 0^2 - 114(0) = 0

y-intercept is (0, 0)

3 0
3 years ago
Please help me please<br><br>​
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