3 years ago

Find the product of 51 and -2.5.

Mathematics

1 answer:

Bad White [126]3 years ago

4 0

Answer: C. -102 + (-25.5)

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What is the equation of a circle that has a center at (-4, 10) and a radius of 8?

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Answer:

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

Step-by-step explanation:

Equation of a circle:

The equation of a circle with center $(x_0,y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

Center at (-4, 10)

This means that $x_0 = -4, y_0 = 10$ .

Radius of 8:

This means that $r = 8$ . So

$(x - x_0)^2 + (y - y_0)^2 = r^2$

$(x - (-4))^2 + (y - 10)^2 = 8^2$

$(x + 4)^2 + (y - 10)^2 = 64$

The equation of the circle is $(x + 4)^2 + (y - 10)^2 = 64$ , third option is correct.

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3 years ago

Jamal worked from 3:20 until 9:55. How many minutes did he work?

AnnyKZ [126]

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395 minutes

Step-by-step explanation:

See above for the answer

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$\dfrac{3}{8}(n+10)=6|\cdot8\\
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