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denis-greek [22]
3 years ago
8

Francesca is afraid she won’t have enough money to treat herself and two friends to a movie and snacks. Movie tickets cost $7.50

each, medium popcorns cost $2.95 each, and medium soft drinks cost $2.70 each. Round each amount up to the nearest whole dollar to find a reasonable overestimate of the total cost of the evening’s entertainment.
Mathematics
2 answers:
kirza4 [7]3 years ago
8 0
3 people total
$7.50 to $8
$2.95 to $3
$2.70 to $3
8*3=24
3*3=9
3*3=9
24+9+9=42
$42
tangare [24]3 years ago
6 0
Alright, so let's get started.
First, what you'll focus on doing is rounding each item to the nearest whole dollar. Remember, you have yourself and 3 friends. So:
Movie tickets- $8 x 3 = $24
Medium Popcorns- $3 x 3 = $9
Medium Soft Drinks- $3 x 3 = $9
So, altogether: $42
If you want to include tax as well, go for it. So maybe $45?
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insens350 [35]

Answer:

t = 8.017 or 0.608 (nearest hundredth)

Step-by-step explanation:

h = 138t-16t^2

when h = 78:

\implies 138t-16t^2=78

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Using quadratic formula:

t=\dfrac{138 \pm\sqrt{(-138)^2-(4 \cdot 16 \cdot 78)} }{2 \cdot 16}

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\implies t=8.017, t = 0.608

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2 years ago
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3 years ago
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Natalija [7]
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6 0
3 years ago
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Please help me out I don’t get it
Semmy [17]
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Help me please please
artcher [175]

Answer:

L = 34 - 0.5d

21 feet

Step-by-step explanation:

The initial water level ; 34

the amount is rises per day; 0.5

"L" is the water level,

"d" is the days passed.

In order to find the water level, one will have to multiply the amount the water rises each day, by the days passed. Then one will have to subtract that from the initial water level, hence the equation formed is the following;

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