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34kurt
2 years ago
14

HELP! please! ASAP! pleasee

Mathematics
1 answer:
murzikaleks [220]2 years ago
3 0

Answer:

11.9

Step-by-step explanation:

I just know this off the top of my head

The real one is 11.18034

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velikii [3]

7(a−3+4b)

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3 years ago
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Simplify. 10 + 51 -10 + 51 41
tatuchka [14]

Answer:

52.12

Step-by-step explanation

PEMDAS

Adding comes before subtracting

10+51=61

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3 0
3 years ago
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1.7738387.9283727% I hope I helped
4 0
3 years ago
Someone help please make sure the answer is right :)
Andreas93 [3]

Answer:

The answer is 2

Step-by-step explanation:

The equation =69x + 2 = 140

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6 0
3 years ago
You need a 50% solution. On hand, you have a 200 mL of a 35% alcohol mixture. You also have 70% alcohol mixture. How much of the
CaHeK987 [17]

Answer:

150 mL

Step-by-step explanation:

We need a mixture that is at 50%, now we have 200 mL at 35% and another mixture that is at 70%, that is, we must calculate how much of this mixture is added, by the following equation

200 * 35% + x * 70% = 50% (x + 200)

70 + 0.7 * x = 0.5 * x + 100

0.7 * x - 0.5 * x = 100 - 70

0.2 * x = 30

x = 30 / 0.2

x = 150

150 mL must be added so that the mixture is 50%.

6 0
3 years ago
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