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posledela
2 years ago
14

Need help with math fast please

Mathematics
1 answer:
elena-s [515]2 years ago
4 0
The answer is 84 cause it’s times 2
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Please help me....I need it
nexus9112 [7]

Answer:

Volume: 3x2x4=24 so the volume is 24 Meter3

Surface area:

52 Square meter

7 0
3 years ago
Carl bought 19 apples of 2 different varieties to make a pie.The total cost of the apple was $5.10.Granny Smith apples cost $0.2
disa [49]

For this case we propose a system of equations:

x: Let the variable representing the quantity of Granny Smith apples

y: Let the variable representing the number of Gala apples

According to the statement we have:

x + y = 19\\0.25x + 0.30y = 5.10

From the first equation we have to:

x = 19-y

replacing in the second equation:

0.25 (19-y) + 0.30y = 5.10\\4.75-0.25y + 0.30y = 5.10\\4.75 + 0.05y = 5.10\\0.05y = 5.10-4.75\\0.05y = 0.35\\y = \frac {0.35} {0.05}\\y = 7

So, Carl bought 7 Gala apples

On the other hand:

x = 19-7 = 12

So, Carl bought 12 Granny Smith apples

Answer:

Carl bought 7 Gala apples and 12 Granny Smith apples

8 0
3 years ago
If a country's debt-to-GDP ratio is currently 5% and its debt is expected to
Valentin [98]
400 billion dollars
6 0
3 years ago
Read 2 more answers
Just got switched to a new math class.... I need wit these two questions....
umka2103 [35]
I can’t see it needs better lighting
8 0
3 years ago
Please help 25POINTS pls need ASAP
Travka [436]

Answer:

The answer is - x² - 12x + 9

Step-by-step explanation:

1. Using (a-b)²= a²-2ab+b², expand the expression

2. Collect the like terms.

6 0
3 years ago
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