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s344n2d4d5 [400]
4 years ago
5

I NEED HELP ASAP PLEASE

Mathematics
2 answers:
Liula [17]4 years ago
4 0
The answer is 30 because 2x + 30 = 90 in order for that to be true x= 30
Lady bird [3.3K]4 years ago
4 0

Answer:

x = 30

Step-by-step explanation:

30 + 2x = 90

Subtract 30 from both sides;

2x = 60

Divide both sides by 2;

x = 30

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The fraction 6/11 = the fraction 18/
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The fraction 6/11 is equivalent to the fraction of 18/33. They both have the same value. Simply multiply both the numerator and denominator by 3 to the fraction of 6/11 to get the new equivalent one.
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Use: 0, 4, 6, 11, 9, 8, 9, 1, 5, 9, 7 to construct a box-and-whisker plot. List the maximum, minimum, and quartiles
gulaghasi [49]

Answer:

  • 0, 4, 7, 9, 11

Step-by-step explanation:

<h3>Given</h3>
  • 0, 4, 6, 11, 9, 8, 9, 1, 5, 9, 7
<h3>To find</h3>
  • List 5 points of box and whisker plot
<h3>Solution</h3>

<u>Step 1</u>

<u>Putting the data in the order from smallest to greatest:</u>

  • 0, 1, 4, 5, 6, 7, 8, 9, 9, 9, 11

<u>Step 2</u>

  • The minimum and maximum = 0 and 11
  • Medium quartile is the middle number ⇒ Q2 = 7
  • First quartile = middle of the lower part ⇒ Q1 = 4
  • Third quartile = middle of the highest part ⇒ Q3 = 9

<u>So the 5 numbers are:</u>

  • 0, 4, 7, 9, 11

6 0
3 years ago
Verify whether the indicated numbers are zeroes of their corresponding polynomials.
Mashcka [7]

Answer:

  • No, incorrect

Step-by-step explanation:

<u>Given</u>

  • Q(s) = -4s^3 + 7s^2 - 24;
  • s = -4 and 1

<u>Verifying zeroes</u>

Q(-4) =

  • -4(-4)^3 + 7(-4)^2 - 24 =
  • 256 + 112 - 24 =
  • 344
  • Incorrect as 344 ≠ 0

Q(1) =

  • -4(1)^3 + 7(1)^2 - 24 =
  • -12 + 7 - 24 =
  • -29
  • Incorrect as -29 ≠ 0

8 0
3 years ago
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