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PolarNik [594]
3 years ago
8

Is 2x=4y a linear equation?

Mathematics
2 answers:
almond37 [142]3 years ago
6 0
Si it is a linear eqaution
lyudmila [28]3 years ago
6 0
Yes i believe so   but you should solve  it
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A jackets original price is $65.00 .It is on sale for 40% off. you have to pay 5% sales tax What is the final price fir the jack
lesya [120]
Hello!

There is a discount of 40%, which means that we will be subtracting 40% of the price, and then sales tax is basically additional money added to the price, so we will be adding that. 

65.00 * 40% = 26

65.00 - 26 = 39

So, the discounted price is $39. Now we must add tax on that. 

39 * 5% = 1.95

39 + 1.95 = 40.95

The final price of the jacket is $40.95. 
7 0
3 years ago
There are 50 apple trees in an orchard. Each tree produces 800 apples. For each additional tree planted in the orchard, the outp
Mariana [72]

Answer:

  1. <em> 15</em>
  2. <em> 42,250</em>

Step-by-step explanation:

The given function is,

P=40000+300x-10x^2

where,

P = the total production of apples,

x = the number of trees added.

As the quadratic function has a negative leading coefficient, so it will open downward and at the vertex the value of function is maximum.

The vertex will be at \left(-\dfrac{b}{2a},-f\left(\dfrac{b}{2a}\right )\right)

The value of the function will be maximum at,

x=-\dfrac{b}{2a}

Putting the values,

x=-\dfrac{300}{2\times (-10)}=\dfrac{300}{2\times 10}=\dfrac{300}{20}=15

So at x=15 or for 15 number of trees the production will be ,maximum.

Putting x=15 in f(x) will yield the maximum production of apples.

P=40000+300(15)-10(15)^2=42,250

4 0
3 years ago
4^3 &gt; 6^2 Is this right or not right if not what other sign needs to go there.
Bess [88]

Answer:

that is right

Step-by-step explanation:

because 4×4×4 equals 64 and 6×6 equals 37 so it is 4^3>6^2

6 0
2 years ago
Read 2 more answers
What type of triangle can u form with 4.5cm,6cm, and 8.5cm
Alex73 [517]

scalene triangle

hope it helps...

7 0
2 years ago
Read 2 more answers
What is 12 1/2% as a fraction in simplest form
LUCKY_DIMON [66]

Answer:

25/2 I believe

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
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