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Maksim231197 [3]
3 years ago
12

SOLVING QUADRATIC EQUATIONS BY SQUARE ROOT 4m^2-1=-23

Mathematics
2 answers:
liraira [26]3 years ago
7 0
4m^2 -1 = -23 Add 1 to both sides 4m^2 = -22 then divide both sides by 4. m^2 = -11/2. Square root both sides. m = ((square root of 22)/2) times i
PtichkaEL [24]3 years ago
6 0
<span>4m^2-1=-23
</span>⇒ 4m^2= -23+1
⇒ 4m^2= -22
⇒ m^2= -22/4
⇒ m^2= -11/2
⇒ m is undefined for all m∈R (for m^2 is always ≥0 for all m∈R)
<span>
Final answer: </span>m is undefined for all m∈R~
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Step-by-step explanation:

The given is:

  • The computer store pays its employees $150 per day plus a commission of 15% of their sales
  • Teagan wants to make at least $450 today

We need to find which equation will help Teagan to determine how much he has to sell today

Assume that he has to sell by $x today

∵ The store pays $150 per day plus a commission of 15%

   of their sales

∵ Teagan's total sales = x

- Multiply 15% by x, then add the product by 150

∴ Teagan makes = 15% × x + 150

∵ 15% × x = \frac{15}{100} × x = 0.15 x

∴ Teagan makes = 0.15 x + 150

∵ Teagan wants to make at least $450 today

- At least means ≥

∴ Teagan makes ≥ 450

- Substitute Teagan makes by 0.15 x + 150

∴ 0.15 x + 150 ≥ 450

The equation 0.15 x + 150 ≥ 450 will help Teagan determine how much he has to sell today

Learn more:

You can learn more about the linear inequality in brainly.com/question/6703816

#LearnwithBrainly

6 0
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Read 2 more answers
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