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bogdanovich [222]
2 years ago
11

What does it mean to write an "exact answer?"

Mathematics
1 answer:
Naddika [18.5K]2 years ago
8 0

Answer:

To write the answer without rounding or changing it in any way

Step-by-step explanation:

This is what exact means

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Use the properities to find the sum or product of 93+[68+7]
kondor19780726 [428]

Answer:

the answer for this questionis 93(68+7)

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3 years ago
If $1,000 is invested in an account that pays 5% interest compound annually, an expression that represents the amount in the acc
KengaRu [80]
Hello! So the formula for compound interest is P(1 + r)^t, where r = rate, P = principal, and t = time (years). C is out, because you multiply the rate and principal together to get the price, not add. You raise the decimal to a certain power, based on the amount of years. You add 1 to the rate. 5% in decimal form is 0.05 and you must add 1 to the amount, which eliminated B. The only answer that works is A, because it shows the correct formula. The answer is A.
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3 years ago
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Please I need help with this question
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This is a function because each input has exactly one output ❤️
7 0
3 years ago
Simply Each Expression ​
vitfil [10]

Answer:

\frac{4}{9x^2}

Step-by-step explanation:

(\frac{2x^3}{3x^4} )^2

= (\frac{2}{3x} )^2

= \frac{4}{9x^2}

3 0
3 years ago
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Gina has 1200 yards of fencing to enclose a rectangular area. Find the dimensions of the rectangle that maximize the enclosed ar
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We know the perimeter formula would be 1200=2x+2y. And the area will be A=x*y
We can to take the derivative of the area formula to find where it is a max but we must first substitute something in from the first formula so we only have one variable.

1200-2x=2y
600-x=y

A=(x)*(600-x)
A=600x-x^2

Now we take the derivative:
A'=600-2x (set equal to 0 and solve)
0=600-2x
2x=600
x=300 

Then when we plug this into the perimeter formula, we can solve for y
1200=2x+2y
1200=2(300)+2y
1200=600+2y
600=2y
y=300

So both the length and width are 300 yards, and the area would be 90,000 square yards

Hope this helps
8 0
3 years ago
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