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Stella [2.4K]
3 years ago
8

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Mathematics
1 answer:
tatuchka [14]3 years ago
4 0

Answer:

lnjfenlk

Step-by-step explanation:

nklfewnlkefw

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Variable y varies directly with variable x, and y = 48 when x = 8.
scZoUnD [109]
Y/x=k   48/8=6=k   k is the constant       y/4=6    y=24
3 0
3 years ago
The end of a hose was resting on the ground, pointing up an angle. Sal measured the path of the water coming out of the hose and
lawyer [7]

Functions can be used to model real life situations.

The hose is 3.2 feet above the ground, at a horizontal distance of 4 fee

The function is given as:

f(x) =-0.3x^2 + 2x

At a horizontal distance of 4 feet, the value of x is 4

i.e. x = 4

Substitute 4 for x in f(x).

So, we have:

f(4) =-0.3(4)^2 + 2(4)

Evaluate the exponent

f(4) =-0.3(16) + 2(4)

Open both brackets

f(4) =-4.8 + 8

Add -4.8 and 8

f(4) =3.2

Hence, the hose is 3.2 feet above the ground

Read more about functions at:

brainly.com/question/10837575

7 0
3 years ago
Give y=3x-5/x+6 Calculate y' and check the sign
jenyasd209 [6]

Answer:

x = -6

-18+4y=0 => 4y=18 =>y=18/4=9/2

Y=5

3x+20=0 => x=3x= -20=> x= -20/3

Step-by-step explanation:

8 0
3 years ago
Find an equation of the line with the given properties slope=3 containing the print(-2,3)
Alex777 [14]

Answer:

y = 3*(x + 2) + 3

y = 3*x + 6 + 3

y = 3*x + 9

8 0
3 years ago
Can someone help me with #2 please? The picture is attached below
Novosadov [1.4K]
What’s the given information?
8 0
4 years ago
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