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3 years ago

Which ordered pair can be removed so that the resulting graph represents a function?

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

6 0

Answer:

(1, 3)

Step-by-step explanation:

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The moon is a sphere with radius of 959 km. Determine an equation for the ellipse if the distance of the satellite from the surf

Sergeeva-Olga [200]

Answer:

$\frac{x^2}{1316^2}+\frac{y^2}{1669^2}=1$

Step-by-step explanation:

An ellipse is the locus of a point such that its distances from two fixed points, called foci, have a sum that is equal to a positive constant.

The equation of an ellipse with a center at the origin and the x axis as the minor axis is given by:

$\frac{x^2}{b^2}+\frac{y^2}{a^2} =1 \\\\where\ a>b$

Since the distance of the satellite from the surface of the moon varies from 357 km to 710 km, hence:

b = 357 km + 959 km = 1316 km

a = 710 km + 959 km = 1669 km

Therefore the equation of the ellipse is:

$\frac{x^2}{1316^2}+\frac{y^2}{1669^2}=1$

5 0

3 years ago

4/12×1/8 in simplest form

Sliva [168]

Answer:

$\frac{1}{24}$

Step-by-step explanation:

$\frac{4}{12} *\frac{1}{8} =\frac{1}{24}$

6 0

3 years ago

Find the zeros of the function F(x)=x^2-9x-9

Marta_Voda [28]

F(x)=x^3+x^2-9x-9
x^2(x+1)-9(x+1)
=(x+1)(x^2-9)

=(x+1)(x+3)(x-3)
Hope that this helps

8 0

3 years ago

1. Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).

nlexa [21]

1) 30x4 − 20x3 + 15x2

This is the answer to 1. Don't forget to rearrange the terms in ascending order. That can trip people up.

2) x3 + 8x2 + 13

Don't forget to check the terms sign. The subtraction symbol switches them all.

6 0

3 years ago

Enter an integer to represent the situation. A $655 profit

Sveta_85 [38]

Answer:

it would be 655 because profit means it is a positive number

8 0

3 years ago