3 years ago

Consider this expression:

1 answer:

Tema [17]3 years ago

4 0

8(4a+2b)
The equivalent is 32a+16b (B)

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oksian1 [2.3K]

Did it come with a pic

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3 years ago

kramer

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3 years ago

Bumek [7]

Answer:

It's 65.97

Step-by-step explanation:

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3 years ago

igor_vitrenko [27]

Answer: $P=0.975^t$

Step-by-step explanation:

We know that the general form of the exponential decay formula is

$y=A(1-r)^t$ , where y is final amount remaining after t time, A is the original amount and r is the rate of decay

Now, the ratio of strontium-90 remaining, p , as a function of years, t , since the nuclear accident. $P=\frac{A(1-0.02)^t}{A}=\frac{(0.975)^t}{1}$

Hence, the ratio of remaining since the nuclear accident is $P=0.975^t$

3 0

3 years ago

Galina-37 [17]

We solve the equation (1/6)x + 14 = (3/4)x, where x is the number of gallons;

We have 2x/12 + 168/12 = 9x/12;

2x + 168 = 9x;

168 = 7x;

x = 168 ÷ 7;

x = 24 gallons;

4 0

3 years ago