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scoray [572]
3 years ago
5

Kayla has 28 cents in her pocket what can u say for sure about the coins in her pocket?

Mathematics
1 answer:
fenix001 [56]3 years ago
5 0
She must have at least 3 pennies.


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Find the value of n in the equation 6.2n – 3.7n = 85 + 45.
WINSTONCH [101]

Answer:

Value of n is 52

Step-by-step explanation:

So you have equation: 6.2n – 3.7n = 85 + 45

First, you need to collect the like terms and add the numbers on the other side: 2.5n=130

Now, you need to divide both sides of equation by 2.5. And you will get the answer. n=52


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3 years ago
Solve 2/3 X -1/5 >1. X=?
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Step-by-step explanation:

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In a chemistry class, 12 L of a 12% alcohol solution must be mixed with a 20% solution to get a 14% solution. How many liters of
tigry1 [53]
Let x = liters 20% solution to be added
then

.12(12) + .20x = .14(12+x)
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Hope this helped!!
3 0
3 years ago
Evaluate the following expression. 3^-2
Crazy boy [7]

Answer: The simplified form is \frac{1}{9}

Step-by-step explanation:

Since we have given that

3^{-2}

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3^{-2}=\frac{1}{3\times 3}=\frac{1}{9}

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answer your own

brainliest me now

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