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Sav [38]
2 years ago
13

One fish, two fish, red fish... got eaten by a bigger fish! someone has been eating all the little fish in the pond! At the begi

nning of the day there were 90 little fish in the pond. At the end of the day there were 52 little fish in the pond. Find the percent decrease from the beginning of the day to the end of the day. Round to the nearest percent.
A).40% C).42%
B).41% D).43
Mathematics
2 answers:
Ede4ka [16]2 years ago
7 0

Answer:

i think its C but idrk

Step-by-step explanation:

tatyana61 [14]2 years ago
5 0
I believe it’s c) 42% but I need someone to double check it
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I don't know how to solve it
kotykmax [81]
I hope this helps you

8 0
3 years ago
A team of seven workers started a job, which can be done in 11 days. On the morning of the fourth day, several people left the t
Lapatulllka [165]

Answer:

  • 3 people left

Step-by-step explanation:

  • The job can be completed by 7 people in 11 days
  • The job is equivalent of 7*11 = 77 people*days

<u>After 3 days, job left:</u>

  • (11 - 3)*7 =  56 people*days

This was completed by 7 - x people as x people left

<u>Time needed was 14 days, we have new equation:</u>

  • 14(7 - x) = 56
  • 7 - x = 4
  • x = 7 - 4
  • x = 3

As we found, 3 people left

6 0
2 years ago
A student is asked to find a polynomial f(x) of degree four with the zeros 2, -3, 0, and -7. What factors would the student mult
lord [1]

Answer:

(x-2), (x+3),x and (x + 7)

Step-by-step explanation:

Here, the zeros of the polynomial are 2, -3, 0 and -7.

Let’s consider a case of a quadratic equation where x = 5 is a solution. This means that x + 5 is a factor of that quadratic equation.

Now, let’s apply same approach to this polynomial. If x = 2 is a solution, then x -2 is a factor. If x = -3, then, x + 3 is a factor. If x = 0, this means x itself is a solution and lastly, if x = -7 is a solution, that means x + 7 is a factor.

Thus, the factors to multiply together are; (x-2), (x+3),x and (x + 7)

4 0
3 years ago
Select the best possible first step to solving the system by first eliminating the x variable.
zheka24 [161]
It seems to be none of the above
3 0
3 years ago
PLEASE ANSWER PICTURE IS SHOWN
tia_tia [17]
D I hope this help you
5 0
3 years ago
Read 2 more answers
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