mccauleysamsond mccauleysamsond

04-05-2020
Mathematics

contestada

Y varies directly with the square of X.If y =5 when x=3,what is the value of y when x=9?

Respuesta :

Chelboy Chelboy

06-05-2020

Answer:45

Step-by-step explanation:

y varies directly as x^2

y=k x x^2

When y=5 x=3

5=k x 3^2

5=k x 9

K=5/9

Relationship is y=5x^2/9

y=(5x9^2) ➗ 9

y=(5x81) ➗ 9

y=405 ➗ 9

y=45

Answer Link

Otras preguntas

Jim has gotten scores of 99 and 93 on his first two tests. what score must he get on his third test to keep an average of 90 or greater

What's the other term for: lacking respect; scornful

How many moles of water (H2O) would be produced if 10 moles of O2 gas reacted completely with excess H2 gas?2 H2(g) + O2(g) → 2 H2O(g)A. 5 B. 10 C. 20 D. 30

what is glossities and deficiency

Heat is released when H2 gas and O2 gas react to form H2O. Why? A. Breaking the H–H bond in H2 gas releases heat. B. Breaking the O–O bond in O2 gas releases he

Molecular scientists can read the DNA code and compare the DNA of different organisms. This concept is used in molecular clocks to determine which of the follow

What's the other term for: lacking respect; scornful

What's the other term for: one who overindulges in food and drink

round to the nearest hundredth 5.6192

if Xx8=y is the rule,and the value of x is 4, what is the value of y