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Novosadov [1.4K]
2 years ago
12

Is y=4x+4 proportional

Mathematics
1 answer:
Oksana_A [137]2 years ago
8 0
No its not a proportional relationship because there is too much of the equation on one side if it was y=4x then it would be proportional. Hope that helped.
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A rectangular plot of land is to be enclosed by a fence. One side is along a river, and does not need to be enclosed. If the tot
Bad White [126]

Answer:

Width 150 meters.

Length = 350 meters.

Step-by-step explanation:

Let us assume the  width of  the fence = k meters

So, both sides = k + k = 2k meters

Also, the TOTAL fencing length = 600 m

So, the one side length of the fence = (600 - 2 k) meters

AREA = LENGTH x WIDTH

⇒ A(k)  = (600 - 2k) (k)

or, A =  -2k² + 600 k

The above equation is of the form: ax² +bx +  C

Here: a  = - 2 , b = 600 and C = 0

As a< 0, the parabola opens DOWNWARDS.

Here, x value is given as:  x = \frac{-b}{2a}

Solving for the value of k similarly, we get:

k = \frac{-b}{2a}  = \frac{600}{2(-2)}  = 150

Thus the desired width = k = 150 meters

So, the desired dimensions of the plot  is width 150 meters.

And length = 650 - 2k = 650 - 300 = 350 meters.

5 0
2 years ago
Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4
Lerok [7]
If 3/5 are action and 1/4 are comedy then:

(3/5)+(1/4) are action or comedy

To add/subtract fractions you need a common denominator...

(3/5)*(4/4)+(1/4)(5/5)

(12/20)+(5/20)

17/20

So 17/20 (85%) of his collection are action or comedy not 4/9...


4 0
3 years ago
I am really in hurry can anyone help me please
eimsori [14]

Answer:

This is your answer ☺️☺️☺️

6 0
2 years ago
Please help me I can't fail! Okay, So I have this big algebra test that's worth 30% of my grade. Right now I have a 62 I need a
Andreyy89
Where? It won’t show!
5 0
2 years ago
X2 - 5x + 4<br> What is equivalent to this expression?
drek231 [11]

Answer

(x-1) (x-4)

Step-by-step explanation:

I did this not long ago in class so that's the answer

6 0
2 years ago
Read 2 more answers
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