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vlada-n [284]
2 years ago
7

given that negative 9i is a 0, factor the following polynomial completely. f(x)=x^4+6x^3+86x^2+486x+405

Mathematics
1 answer:
kkurt [141]2 years ago
6 0
Ok so the answer is 1,085
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Two investments totallng $47,500 produce an annual income of $3000. One investment ylelds 9% per year, while the other yields 6%
enot [183]

Answer:

The correct answer is "$5000".

Step-by-step explanation:

The given values are:

Two investments totaling,

= $47,500

Annual income,

= $3000

One investment yields per year,

= 9%

Other yield,

= 6%

Let,

  • The amount invested in 9% will be "x".
  • The amount invested in 6% will be "47,500-x".

Now,

⇒  0.09x+0.06(47,500-x)=3000

⇒        0.09x+2850-0.06x=3000

⇒                     0.03x+2850=3000

⇒                                0.03x=150

⇒                                       x=\frac{150}{0.03}

⇒                                       x=5000

5 0
2 years ago
The number of Calories c that are burned by walking depends on t, the number of hours spent walking. If you burn 300 Cal/h, how
Paladinen [302]

300/2.5= 120 Calories

4 0
2 years ago
The distance between bases on a baseball field is 90 feet.If 3 players hit home runs during a game and each runs around all 4 ba
m_a_m_a [10]
Well, think about it... 90 feet times 4 bases= 360 feet.. 360 feet times 3 players= 1080 feet
5 0
3 years ago
You roll a number cube once.<br> what is the theoretical probability that you roll a 3 or 4?
yanalaym [24]

Answer:

2/6 or 1/3

Each number has 1 /6 probability. But since you can accept either 3 or 4, the probability is better and is 2/6 or simplified to 1/3.

4 0
2 years ago
An urn contains eight blue balls and seven yellow balls. if six balls are selected randomly without being​ replaced, what is the
Vlad1618 [11]

to be sure that 2 of them will be blue i have to select 7+2=9 balls
7+8=15 balls in the urn
P=9/15

to be sure that 4 of them will be yellow i have to select 8+4=12 balls
P=12/15


8 0
3 years ago
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