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kolbaska11 [484]
3 years ago
11

A city of 6688 residents has an area of 16 square miles. What I the population density of the city

Mathematics
1 answer:
Blizzard [7]3 years ago
4 0
Is the answer four hundred twelve
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Use the real zeros to factor f x^4 plus 10^3 minus 20x^2 minus 90x plus 99
Furkat [3]

Answer:

f(x) = (x + 11) (x + 3) (x − 1) (x − 3)

Step-by-step explanation:

f(x) = x⁴ + 10x³ − 20x² − 90x + 99

f(x) is a fourth order polynomial, so it has 4 roots.  Use rational root theorem to find possible rational roots.

±99, ±11, ±9, ±3, ±1

By trial and error, the zeros are -11, -3, 1, and 3.

f(x) = (x + 11) (x + 3) (x − 1) (x − 3)

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3 years ago
For the Best Brain:<br><br> fun question:<br> how do I solve y = 10x + 2 when x equals 3
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You would plug in 3 for x, which gives you y = 10(3) + 2, and then you would use PEMDAS, which means you multiply 10 with 3 and then add two which is 32. Therefore y would equal 32. :D :D
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3 years ago
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1. What is the standard form for the<br> following:<br> 3x^2 - 4x + 6x^5 + 10x^3 - 8
Mrrafil [7]

Answer:

how this helps

Step-by-step explanation:

6 0
3 years ago
One way to solve an equation or inequality that has both decimals and fractions is to change the
Stells [14]

Answer:

Turn everything into fractions. You can also combine like terms.

Step-by-step explanation:

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A culture of 100,000 bacteria triples every hour. How many bacteria were there 3 hours ago? (easy steps please)​
Crank

Answer:

If it multiplies by 3 each hour, you would divide by three if you are looking for the first term. It is Geometric Sequence.

Step-by-step explanation:

100,000/3=33333.3333333 (1/3)

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3 years ago
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