equation of the circle in standard form with the center and radius given. Center (5,-3), the radius = 1 Please explain. Thank you so much

Answers

Answer 1
Answer: The equation of a circle is (x-h)²+(y-k)²=r², given that the center of the circle is (h, k). So the equation for this circle is (x-5)²+(y+3)²=1.

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If t = 10m + 40 models this scenario,t = total cost;m = number of months;Which of the following statements is true?O A. The total cost will increase by $40 for every 10 months that pass.B. The total cost will increase by $10 for every 40 months that pass.C. The total cost will increase by $10 for every month that passes.D. The total cost will increase by $40 for every month that passes.
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What is the chemical formula for copper(ll) sulfate?A) CuSO4
B) Cu2SO4
C) CuS
D) Cu2S
[help pls]

Answers

It should be A, CuSO4

Evaluate 2b^2 − 4a + 4a^2 for a = 3 and b = −8.

Answers

(2*(-8)^2)-(4*3)+(4*3^2)

128-12+36

152

If a circle has a circumference of C, what is the area of the circle in terms of C?

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First you have to write down the formula on how to get the circumference of the circle (C = 2pi * Radius) and the Area of the circle which is (A=Pi*Radius^2). In getting the radius you need to transform the formula of the circumference by making the radius to be the unknown variable so it would become(R=C/2pi), after that you need to replace the radius in the formula of the area by the transformed formula of the circumference and you will come up of the formula of (A=Pi(C/2pi)^2).

Use graphs and tables to find the limit and identify any vertical asymptotes of limit of 1 divided by the quantity x minus 3 as x approaches 3 from the left.

Answers

Answer:

\displaystyle \lim_( \to 3^-) (1)/(x - 3) = -\infty

General Formulas and Concepts:

Calculus

Limits

  • Right-Side Limit:                                                                                             \displaystyle \lim_(x \to c^+) f(x)
  • Left-Side Limit:                                                                                               \displaystyle \lim_(x \to c^-) f(x)

Graphical Limits

Step-by-step explanation:

If we graph the function, we can see that as we approach 3 from the left, we go towards negative infinity.

∴  \displaystyle \lim_( \to 3^-) (1)/(x - 3) = -\infty

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Limits

A full moon occurs every 30 days if the last full moon occurred on Friday how many days will pass before full moon occurs again on a Friday

Answers

Not sure but I think it will need 210 days

Mai bought a television for $325. The tax rate is 8%. Which proportion can be used to find the amount of tax Mai will pay?

Answers

tax rate = 8%

Thus, tax amount = 8% of 325

= 8/100 x 325

= 26.

Thus, Mai will pay 26$ as tax charge