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Alecsey [184]
2 years ago
5

Kevin and Sam each have a map with the following instructions:

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
7 0

Answer:

28

Step-by-step explanation:

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Hi. I need help with these questions.<br>See image for question.<br>​
Oduvanchick [21]

Step-by-step explanation:

<u>Given</u>

  • f(x) = 4x³ + 3x² - 2x - 1

<u>Divide it by the following:</u>

<u>(a) 2x + 1</u>

  • 4x³ + 3x² - 2x - 1 =
  • (4x³ + 2x²) + (x² + 1/2x) - (5/2x + 5/4) + 1/4 =
  • 2x²(2x+1) + 1/2x(2x + 1) - 5/4(2x + 1) + 1/4 =
  • (2x + 1)(2x² + 1/2x - 5/4) + 1/4

Quotient =  2x² + 1/2x - 5/4

Remainder = 1/4

<u>(b) 2x - 3</u>

  • 4x³ + 3x² - 2x - 1 =
  • (4x³ - 6x²) + (9x² - 13.5x) + (11.5x - 17.25) + 16.25 =
  • (2x -3)(2x² + 4.5x + 5.75) + 16.25

Quotient = 2x² + 4.5x + 5.75

Remainder = 16.25

<u>(c) 4x - 1</u>

  • 4x³ + 3x² - 2x - 1 =
  • (4x³ - x²) + (4x² - x) - (2x - 1/2) - 3/2 =
  • (4x - 1)(x² + x - 1/2) - 3/2

Quotient = x² + x - 1/2

Remainder = - 3/2

<u>(d) x + 2</u>

  • 4x³ + 3x² - 2x - 1 =
  • (4x³ + 8x²) - (5x² + 10x) + (8x + 16) - 17 =
  • (x + 2)(4x² - 5x + 8) - 17

Quotient = 4x² - 5x + 8

Remainder = - 17

8 0
2 years ago
Read 2 more answers
8+ _=11<br> what is the answer
crimeas [40]

Answer:

The answer is 3

Step-by-step explanation:

B/c 8+2=10 just add one more and 2+1=3

5 0
3 years ago
Alex made 36 cookies. 1/4 of the cookies were chocolate chip. 1/3 of the cookies were oatmeal. The rest of the cookies were pean
MatroZZZ [7]

Answer:

5

Step-by-step explanation:

number of chocolate chip cookies = 36 × ¼ = 9

number of oatmeal cookies = 36 × ⅓ = 12

36 - 9 - 12 = 15

Alex made 15 peanut butter cookies.

7 0
3 years ago
Find the area for a triangle: base 5 cm, height 20 cm.
Gnesinka [82]
Your answer: A=50cm²<span><span>Base: 5cmHeight: 20cm</span></span>A=hbb2=20·52=50cm²
5 0
3 years ago
Write each number in standard notation.
Zarrin [17]

Answer:

See Bottom!

Step-by-step explanation:

17) 9

18) 2.0000

19) 20000000000

20) 00.804

21) 266.0000000000

22) 15.00

23) 77.5

24) 830.0000000000

5 0
3 years ago
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