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Dima020 [189]
3 years ago
12

17 points! Please help!

Mathematics
2 answers:
Amanda [17]3 years ago
8 0
A sample was collected to gather information among a small group to see any shared traits/etc among the group that is repetitively seen. That sample can create a strong prediction about any other group of bluejays, so instead of collecting basically a large chunk of information from bluejays, a small group can summarize the entirety of the blue jays
Nostrana [21]3 years ago
3 0
If you take more than just a sample you can accidentally change something in the results because you took to much<span />
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How can the order of operations be used to simplify expressions?
Lapatulllka [165]
Order of Operations, also known as PEMDAS (Parentheses, Exponents, Multiplication & Division, Addition & Subtraction), can help to simplify an equation by guiding you through the steps to solve it.

This is because it tells you to solve the parentheses. If there is none, but you've already done this, you solve for exponents, etc. 

The progressive soling of the equation not only makes it physically shorter, but also brings you closer to the answer.

Hope this helps, and I was the brainliest! :)

6 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
25 is a perfect square. Which of the following is a perfect cube?
Karolina [17]

Answer:

the perfect cube is [A] 1

7 0
3 years ago
Read 2 more answers
Giving brainliest for CORRECT awnser.
choli [55]

Answer:

  C.  F(x) = x²

Step-by-step explanation:

"Quadratic" means "second degree". The only function with an exponent of 2 is choice C.

5 0
3 years ago
Multiply and subtract these polynomials and simplify. Enter your response in standard form.
a_sh-v [17]

Answer: use this website  https://www.symbolab.com/solver/polynomial-equation-calculator/%5Cleft(2x3%20%E2%88%92%203x%20%2B%2011%5Cright)%20%E2%88%92%20%5Cleft(3x2%20%2B%201%5Cright)%5Cleft(4%20%E2%88%92%208x%5Cright)

3 0
3 years ago
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