WILL GIVE BRAINLIEST Questions 1-2 Linear One sentence explanation
1 answer:
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Actually the formula is
(x-a)^2 + (y-b)^2 = r^2
so the center of this circle is (a,b) = (1, -3)
and radius of this circle is 7.
(x-a)^2 + (y-b)^2 = r^2
so the center of this circle is (a,b) = (1, -3)
and radius of this circle is 7.
Answer:
She must work for at least 36 hours
Step-by-step explanation:
* Lets explain how to solve the problem
- Norma earns $22 per hour
- She donates 5% of her wages to her favorite charity
- She wants to have at least $748 left after her donation
- We want to find how many hours (H) she must work to have
this amount
- <u><em>Assume that she will work for H hours</em></u>
∵ She earns $22 per hour
∴ Her wages = 22 × H = 22H
- She donates 5% of her wage
∴ Her donate =
- She wants to have at least $748 left after her donation
∵ The money left = her wage - her donate
∴ The money left = 22H - 1.1H = 20.9H
<em>- She wants to have at least $748</em>
∵ The money left ≥ $748
∴ 20.9H ≥ 748
- Divide both sides by 20.9
∴ H ≥ 35.789
∴ She must work for at least 36 hours