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Sladkaya [172]
2 years ago
10

Can someone help me.

Mathematics
1 answer:
bazaltina [42]2 years ago
6 0

Answer:

range=14

mode=9

median =9

mean =12

Step-by-step explanation:

range is B-S=20-6

mode is most common

median put in order find middle value 6,9,9,9,9,11,13,16,18,20

mean is add all divide by how many 9+9+9+9+6+11+13+16=120/10

If i get one wrong i am sorry

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Amy wants to estimate 11% of $9.11. what is a good estimate of the answer
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Amy can estimate with 10% instead, so she can just simply move the decimal point of $9.11 to the right, and so it will be estimated to more than 91 cents.
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4 years ago
Write the quadratic equation in general form and then choose the value of "b."
Ira Lisetskai [31]
First of all to transfer <span>(2x - 1)(x + 6) = 0 into a form where we can plug it into the quadratic formula we need to use the FOIL method.

</span><span>(2x - 1)(x + 6) = 0
</span> becomes
2x*x+2x*6+-1*x+-1*6
which simplifies to
2x^2 + 12x - x - 6
and then we add like terms to get
2x^2 + 11x - <span>6
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now that it is in the correct form we can identify "a" "b" and "c" by following this form
ax^2 + bx + c
looking back at the equation we got earlier
2x^2 + 11x - <span>6</span>

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4 0
4 years ago
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1. Which economic policy was used to help American industry during the Second Industrial Revolution?
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<span>Hello!
 
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Is 3.1 greater than 3 3/10
qaws [65]

Answer:

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Step-by-step explanation:

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3 years ago
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What is the solution to the equation –3.5(x + 12) = –2x + 18?
Andrei [34K]

Answer:

x = -4.36364

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

3.5(x + 12) = -2x + 18

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute 3.5:                    3.5x + 42 = -2x + 18
  2. Add 2x on both sides:       5.5x + 42 = 18
  3. Isolate <em>x</em> term:                    5.5x = -24
  4. Isolate <em>x</em>:                             x = -4.36364
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