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belka [17]
3 years ago
9

Expression for 1 box of popcorn $3.50 and 3 drinks $4.50

Mathematics
1 answer:
tigry1 [53]3 years ago
5 0

Answer:

$3.50 + 3·$4.50

Step-by-step explanation:

The total amount of any purchase is computed as the sum of products of quantity and price.

_____

In some instances is is helpful to keep the units (dollars) with the numbers they apply to. Most times, the units will be left off, and you're expected to make sure they work out properly some other way.

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Answer: -330 + 22d

Step-by-step explanation:

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erma4kov [3.2K]

(I know there isnt any real problem here to solve, but heres a tip on how to solve greatest to least with decimal problems)

1. Just because a number looks big, doesn't mean it is big

Example: 1.00000000000001 < 1.1

just look at the numbers ^ and dont just hastily read it over assuming that 1.1 is smaller because it "has less digits"

2. Negative numbers are... opposite. and they are less than positive numbers

-3.4 > -4.1

Why is this? Well, if you look on a line, with the point 0 in the middle, you can see that -3.4 is not as far away from 0 as -4.1 is. So the idea is to apply opposite logic for negative numbers

I hope these tips helped!! :D

3 0
3 years ago
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Evaluate the expression (2x + y) - z when x= 3, y = 4, z =5​
Lapatulllka [165]

Answer:

5

Step-by-step explanation:

(2x + y) - z

Let x=3  y=4 and z=5

2*3 +4 -5

Multiply and divide first

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Then add and subtract

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3 years ago
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miv72 [106K]

Answer:

4.1 and 4.2

Step-by-step explanation:

or 4 and 5

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What is the greatest common factor of 18 and 54?
Shtirlitz [24]

Answer:

18

Step-by-step explanation:

18=2×3×3

54=2×3×3×3

gcd=2×3×3=18

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