3 years ago

The line x+2y=9 intersects the curve xy+18=0 at the points A and B. Find the coordinates of A and B

Mathematics

1 answer:

sleet_krkn [62]3 years ago

3 0

Using a graphing calculator they are (-3,6) and (12,-1.5)

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balu736 [363]

Answer:

A. 4.2 times

Step-by-step explanation:

Chlorine level of the pool as adjusted by Paula = 6.3 parts per million

Ideal Chlorine level as suggested by the magazine = 1.5 parts per million.

Thus, the number of times the ideal level of Chlorine that the current level is = current level ÷ ideal level

= $\frac{6.3}{1.5} = 4.2$

The current Chlorine level is 4.2 times the ideal Chlorine level.

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I am Lyosha [343]

Answer:

Step-by-step explanation:

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3 years ago

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Three different fraction equivalent 1

olga nikolaevna [1]

Answer:

3/3, 9/9, 12/12

Step-by-step explanation:

Equivilant fractions are only the ssame number on top of each other OR a number on top of a 1

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3 years ago

In expanded form, in kilometers, how far is Jupiter from the Sun?

DIA [1.3K]

740,679,835 km i hope this helps you

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3 years ago

Find (f -9)x). f(x) = -3x + 2 g(x)= x2

algol13

Answer:

29 and -18

Step-by-step explanation:

f(x)= -3x+12

f(-9)= -3(-9)+2

f(-9)= 27+2

f(-9)= 29

g(x)= x2

g(-9)= -9(2)

g(-9)= -18

7 0

3 years ago