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Valentin [98]
3 years ago
10

I need to factor and solve each quadratic equation. x²-3-4=0

Mathematics
1 answer:
WARRIOR [948]3 years ago
4 0

Answer:

x²-7 = 0   part 1 and part 2 :  x = sqrt(7) or x = -sqrt(7)

Step-by-step explanation:

Solve for x:

x^2 - 7 = 0

Add 7 to both sides:

x^2 = 7

Take the square root of both sides:

Answer:  x = sqrt(7) or x = -sqrt(7)

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FinnZ [79.3K]

Answer:

6 21/50

Step-by-step explanation:

  1. Convert 6.42 into a fraction (6 42/100)
  2. The GCF of 42 and 100 is 2, so divide 42 and 100 by 2 to simplify.
6 0
3 years ago
Ike Phillips worked 6.7 hours at time-and-a-half pay and 3.4
ikadub [295]

Working out the different pay rates earned by Ike Phillips :

  • Time and half pay rate = $17.055
  • Double pay rate = $22.74
  • Time and half earning = $114.2685
  • Double rate earning = $77.316
  • Gross earning = $646.3845

Let :

Regular rate = $11.37

Total earning for the week = $454.80

Double pay hours = 3.4

Time and half pay hours = 6.7

  • Time and half pay rate = 1.5 × regular pay rate = 1.5 × 11.37 = $17.055

  • Double pay rate = 2 × regular pay rate = 2 × 11.37 = $22.74

  • Time and half earning = rate × time = $17.055 × 6.7 = $114.2685

  • Double rate earning = rate × time = $22.74 × 3.4 = $77.316

  • Gross earning = (regular + time and half + double earning) = $(454.80+114.2685+77.316) = $646.3845

Therefore, Ike's gross earning for the week is $646.3845

Learn more : brainly.com/question/24635246

4 0
3 years ago
The circle below is centered at the point (-3/4) and has a radius of length 3 what is its equation??
Agata [3.3K]
{x-(-3/4)}^2=3^2
(x+3/4)^2=9
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16x^2+2*4x*3+3^2=144
16x^2+24x+9=144
16x^2+24x+9-144=0
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Plz help! 20 points, correct answer will be marked brainliest :)
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Answer:

D) f(x) = 6x

Step-by-step explanation:

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3 years ago
Erin is making fruit punch for a party. The bowl currently has 2 1/4 cups of punch. Write and solve an equation to find the numb
Liula [17]

Answer: x+2 1/4

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