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Naddik [55]
3 years ago
8

X^2y^2-2x+8y+8=0 Identify the radius and the center.Then graph the circle

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
4 0

Answer:

Centre: (1,-4)

Radius: 3

Step-by-step explanation:

h = -2/-2 = 1

k = 8/-2 = -4

1² + (-4)² - 8 = r²

r² = 9

r = 3

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A passenger car will go 465 miles on 15.5 gallons of gasoline in city driving. What is the rate in miles per​ gallon? 10 pts
iren2701 [21]

Answer:

30 miles per gallon

Step-by-step explanation:

465 / 15.5 = 30

6 0
3 years ago
Jessica fills a cube shaped tank that has an edge of 70 cm with water from a tap. Water flows into the tank at a rate of 7L per
daser333 [38]

The volume of the tank is (70 cm)³ = 343,000 cm³.

Now,

1 mL = 1 cm³

1 L = 1000 mL

so we convert the given rate to

\dfrac{7\,\rm L}{1\,\rm min} \cdot \dfrac{1000\,\rm mL}{1\,\rm L} \cdot \dfrac{1\,\mathrm{cm}^3}{1\,\rm mL} = \dfrac{7000\,\mathrm{cm}^3}{1\,\rm min}

Then the time it will take to fill up the tank is

343,000\,\mathrm{cm}^3 \cdot \dfrac{1\,\rm min}{7000\,\mathrm{cm}^3} = \boxed{49\,\rm min}

6 0
1 year ago
5. Consider the diagram below. Choose the correct statement."
Ivanshal [37]

Answer:

Option (3)

Step-by-step explanation:

Option (1).

AB and SE are coplanar.

Incorrect.

AB lies in a plane ABS and SE lies in another plane SEL.

Option (2).

TS and SE intersect at E.

Incorrect.

They intersect at S.

Option (3).

R intersects K at SB.

Correct.

Since line of intersection of planes R and K is SB

Option (4)

AB and BL are perpendicular at B.

Incorrect.

Angle between them is not 90°.

6 0
3 years ago
How many meters are there in 89 inches
Tomtit [17]
There are 2.2606 meters in 89 inches.
6 0
3 years ago
Read 2 more answers
Find the difference between (-11,-11) and (-12,-8) round answer to the nearest hundredth
lisov135 [29]

Answer:

Step-by-step explanation:

The two points can be made into a right triangle with the two sides defined by   two lines drawn from the two given points.  Use the Pythagorean Theorem to solve for the hypotenuse, the distance between the two points.  See attached graph.

6^2 + 2^2 = x^2

36 + 4 = x^2

x^2 = 40

x = 6.32

3 0
3 years ago
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