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DochEvi [55]
2 years ago
8

HELPPP PLEASEEEEE asappppppp

Mathematics
1 answer:
Oxana [17]2 years ago
8 0
No solution is the awnser
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Suppose that y varies directly as the square of x, and that y=567 when x=9. What is y when x=4
Gwar [14]

Answer:

y  = 112

Step-by-step explanation:

If  y varies directly as the square of x

mathematically;

y ∝ x²

y = kx² where 'k' is the constant of proportionality

let u know the value of k for this equation by making k the subject of the formular from y = kx²

divide both sides by x²

k = y / x²

given that  y = 567 x = 9

k = 567/(9)²

k = 567/81

k = 7

now to get the value of  y when x = 4

from the equation conneting x, y,

y = kx²

y = 7 × (4)²

y = 7 × 16

y  = 112

6 0
2 years ago
Solve the system by substitution!
irga5000 [103]
When solving by substation the answer would be: X= 1 , y= 5
3 0
3 years ago
The function below crosses thr x-axis once. Y=3×2-8x+8
lukranit [14]
It will be at point (5,5)
4 0
3 years ago
The height h (in feet) above the water of a cliff diver is modeled by h=-16t^2+8t+80, where t is the time (in seconds). How long
Misha Larkins [42]
If this is algebra, then you will be using a parabola to solve this problem:
t=-b/2a
t=-8/2(-16) = 8/-32 = -1/4
t=-1/4=-0.25
h=-16(0.0625)+8(-0.25)+80
h=1-2+80
h=79
(-0.25,79)
then plug this ordered pair above and draw a line directly down the middle of it to use as a "mirror" and plug 2 different numbers(preferably 0 and 1) into the variable t to find the other two points and then reflect the two points over the "mirror" to get the last two points to graph your paprabola
8 0
3 years ago
Sally's tree grows 14 inches in a day. how many days will it take to grow 12 feet?​
Shkiper50 [21]

Answer:

10.28571428...days

Step-by-step explanation:

1 feet=12 inches

12 feet=12*12=144 inches

144/14=10.28571428...

4 0
3 years ago
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