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3 years ago

6

Noah was assigned 64 cookies for the bake sale. He mad 125% of that number. 90% of the cookies he made were sold. How many of No

ah’s cookies were left after the bake sale.

1 answer:

Mice21 [21]3 years ago

5 0

Noah made 80 cookies and sold 72. This means that 8 cookies were left.

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Vera_Pavlovna [14]

Answer:

1/5

Step-by-step explanation:

Total marbles = 20

Black marbles = 10

(10/20) x (4/10)

= (1/2) x (2/5)

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2 years ago

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3 years ago

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

mars1129 [50]

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.

3 0

3 years ago

the quadratic of a certain quadratic function has no x-interecepts which of the following are possible values for discriminants

Snowcat [4.5K]

Answer:

Some possible values are -5, -3, -2.

Step-by-step explanation:

Basically if d(discriminant)

d > 0 = 2 x intercepts,

d = 0 means one x intercept

d < 0 = 0 x intercepts

:) Hoped this helped :)

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3 years ago