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lbvjy [14]
3 years ago
13

William uses 5/6 gallon of paint to cover 1 wall. He has 5 gallons of paint. How many walls can he paint​

Mathematics
1 answer:
Oduvanchick [21]3 years ago
8 0
28 gallons of paint to paint the walll
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Factor x4+6x2+9 completely.
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Is it to the 4th power and the second power if so it is:

( x ^2 − 3 ) ^2

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You put $200 in a savings account. The account earns 2% simple interest
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Answer:

interest total after 5 years is $20.82

Step-by-step explanation:

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Easy<br> 5<br> If 3x + 5y = 15 and x – 2y = 10, what is the value of 2x<br> +7y?
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5

Step-by-step explanation:

dont really understand why you answered your own question?

5 0
3 years ago
1) Given P(A) = 0.3 and P(B) = 0.5, do the following.
Delicious77 [7]

Answer:

1) a) 0.8

b) 0.6

2) a) 0.08

b) 0.14

Step-by-step explanation:

1) Given

P(A) = 0.3 and P(B) = 0.5

Let us learn about a formula:

P(A\ or\ B) = P(A) +P(B) -P(A\ and\ B)\\OR\\P(A\cup B) = P(A) +P(B) -P(A\cap B)

(a) If A and B are mutually exclusive i.e. no common thing in the two events.

In other words:

P(A\ and\ B) = P(A \cap B) = 0

Using above formula:

P(A\ or\ B) = P(A) +P(B) -P(A\ and\ B)\\\Rightarrow P(A\ or\ B) = 0.3 + 0.5 -0 = \bold{0.8}

(b)  P(A and B) = 0.2

Using above formula:

P(A\ or\ B) = P(A) +P(B) -P(A\ and\ B)\\\Rightarrow P(A\ or\ B) = 0.3 + 0.5 -0.2 = \bold{0.6}

*************************************

1) Given

P(A) = 0.4 and P(B) = 0.2

Let us learn about a formula:

P(A\ and\ B) = P(B) \times P(A/B)  for dependent events

P(A\ and\ B) = P(A) \times P(B) for independent events.

(a) If A and B are independent events :

Using the above formula for independent events:

P(A\ and\ B) = 0.4 \times 0.2 = \bold{0.08}

(b)  P(A / B) = 0.7

Using above formula:

P(A\ and\ B) = P(B) \times P(A/B) = 0.2 \times 0.7 = \bold{0.14}

6 0
3 years ago
What are the like terms in the expression 8+x²-4x³+5x+2x²​
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X^2 and 2x^2 are alike.
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