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olchik [2.2K]
2 years ago
11

What is a quartic polynomial function with zeros -20, -16, -11, and -9?

Mathematics
1 answer:
Nutka1998 [239]2 years ago
4 0

Answer:

Step-by-step explanation:

I hope that you don't have to multiply this out. If you do, leave a note. I delete my answer.

y = (x + 20)(x+16)(x + 11)(x + 9)

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Douglas said he can find 240÷10 by taking the 0 off 240 to get 24. Douglas finds 59.20÷10 using the same method and gets 59.2. U
Lady bird [3.3K]

Answer:

Douglas is incorrect

Step-by-step explanation:

We can remove a zero from a number that has a zero on the right of the decimal place if that zero is the last number before the decimal place. This is true for 240 divided by 10 because the zeros cancel out:

=240/10=24

In 59.20 this is not true. Dividing a number with a decimal place requires the decimal place to move and not cancel out the zero after the decimal place. Therefore:

=59.20/10=5.92

3 0
3 years ago
4000 principal earning 7% compounded annually , 7 years
katrin [286]
4000×7×7÷100 that is your answer u have to divide it
5 0
3 years ago
A math contest requires that participants complete all 12 problems on the contest exam. Each participant receives 5 points for e
Allisa [31]

the answer is nine because 9times 5 equals 45 subtract 9 equals 36


7 0
3 years ago
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Each bag of rocks for an aquarium costs $12.35. Which equation best represents y, the total cost of x bags of rocks?
ladessa [460]

Answer:

The equation is

y = $ 12.35 x

Step-by-step explanation:

Cost of one bag of rocks = $ 12.35

Let there are x bags of rocks, so that the total cost is y.

So, the cost of 1 bag = $ 12.35

cost of x bags = $12.35 x

The total cost is

y = $12.35 x

It is the equation of a straight line which passes from origin and the slope is 12.35.

3 0
2 years ago
Simplify:<br> sec x – sec x<br> (sin x)2
givi [52]

Answer:

Sec (x) - 2 tan (x)

Step-by-step explanation:

5 0
3 years ago
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