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GenaCL600 [577]
3 years ago
10

X^2=3x+3 in standard form​

Mathematics
1 answer:
weeeeeb [17]3 years ago
5 0

Answer:

x^2-3x-3=0

Step-by-step explanation:

x^2=3x+3

x^2-3x-3=0

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I solved the equation but I can’t seem to answer the ordered pair correctly... (21, )
lidiya [134]
The equation is 

y = -(6/7)*x  + 9

We just need to evaluate the function in x = 21

This means 

y = -6*21/7 +9 = -6*3 +9 = -18 +9 = -9

(x,y) = (21,-9)
5 0
3 years ago
A farmer has 300 ft of fence to enclose 2 adjacent rectangular pens bordering his barn. Find the maximum area he can close.
Margarita [4]

Answer:

Width of 37.5 feet and length of 50 feet will maximize the area.

Step-by-step explanation:

Let w represent width and l represent length of the pen.

We have been given that a farmer has 300 ft of fence to enclose 2 adjacent rectangular pens bordering his barn. We are asked to find the dimensions that will maximize the area.

We can see from the attachment that the perimeter of the pens would be 4w+3l.

We can set our given information in an equation 4w+3l=300.

The area of the two pens would be A=2l\cdot w.

From perimeter equation, we will get:

w=\frac{300-3l}{4}

Substituting this value in area equation, we will get:

A=2l\cdot (\frac{300-3l}{4})

Since we need to maximize area, so we need to find derivative of area function as:

A=\frac{600l-6l^2}{4}

Bring out the constant:

A=\frac{1}{4}*\frac{d}{dl}(600l-6l^2)

A=\frac{1}{4}*(600-12l)

A=150-3l

Now, we will set our derivative equal to 0 as:

150-3l=0

150=3l

\frac{150}{3}=\frac{3l}{3}

50=l

Now, we will substitute l=50 in equation w=\frac{300-3l}{4} to solve for width as:

w=\frac{300-3(50)}{4}

w=\frac{300-150}{4}

w=\frac{150}{4}

w=37.5

Therefore, width of 37.5 feet and length of 50 feet will maximize the area.

8 0
3 years ago
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12:25 is not equivalent to the rest
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Which letter? is it help plzzzzzzzzzzzzzzzzzz
egoroff_w [7]

Answer:

a

Step-by-step explanation:

6 0
3 years ago
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The price of milk increased from $2 to $2.50. What is the percent of change for the price of milk?
Alina [70]

25.00%

Or

25c

Have a Merry Christmas!

5 0
3 years ago
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