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il63 [147K]
3 years ago
11

Can somebody please help me with this

Mathematics
1 answer:
ratelena [41]3 years ago
6 0
Sure! the answer is $5.06
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Write the quadratic equation whose roots are 1 and -2, and whose leading coefficient is 3.
kirill115 [55]

Answer:

  • See below

Step-by-step explanation:

<u>The quadratic equation in factored form:</u>

  • a(x - α)(x - β), where a- leading coefficient, α and β - roots

<u>We have:</u>

  • a = 3, α = 1, β = -2

<u>Substitute them to get:</u>

  • 3(x - 1)(x + 2)

<u>Converting this into standard form:</u>

  • 3(x - 1)(x + 2) =
  • 3(x² + x - 2) =
  • 3x² + 3x - 6
3 0
2 years ago
What is the value of f(3) in the function below? F(x) = 2x
Citrus2011 [14]

Answer:

substitute x as 3

Step-by-step explanation:

f (3)=2x

=2×3

=6

7 0
3 years ago
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a rectangular has a perimeter of 50 centimeters if the width of the rectangular is 10 centimeters what is its length
kogti [31]
10+10=20 50-20=30/2= 15 cm for length
5 0
2 years ago
Solve 29 – 3:= 5x + 5 for x.​
mojhsa [17]

Answer:

x=4.2

Step-by-step explanation:

29-3=5x+5

21=5x, x=21/5=4.2

3 0
3 years ago
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How do I write an equation of a line in slope intercept from
BabaBlast [244]

Answer:

You would use the formula y=mx+b, where m is the slope and b is the y intercept.

Step-by-step explanation:

If the slope was 1/2 and the y intercept was 2, it would be y=1/2x+2

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