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pentagon [3]
3 years ago
9

Luna buys a shirt that costs $15.65. She

Mathematics
2 answers:
BabaBlast [244]3 years ago
4 0

Answer:

16.25

Step-by-step explanation:

Serhud [2]3 years ago
3 0

Answer:

16.25%

Step-by-step explanation:

3.25:20*100 =

(3.25*100):20 =

325:20 = 16.25

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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
Dylan owes half as much money as he used to owe. If he used to owe $28, which of the following expressions would reflect how muc
IrinaVladis [17]

Answer:

it is the second one i had this question. mark as brainliest

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
If you add +6 +(-2), how many units will be between +6 and the sum ? Will the sum Be to the right or the left of +6 ? How do you
nikdorinn [45]
Draw a number line number it with negative number on the left and postive numbers at the right start at postive 6 now go to the left twice your answer should be 4
5 0
3 years ago
What is the center of the circle that you can circumscribe about a triangle with vertices A(2, 6), B(2, 0), and C(10, 0)?
denis23 [38]
The three points A,B,C are all points on this circle.
Each point is then equal distance from the center, that distance being the radius of the circle.
Using the distance formula, we can find the center of the circle  (x,y):
d^2 = (x-x_0)^2 + (y-y_0)^2
Plugging in points A and B into distance formula, then setting them equal to each other gives:
(x-2)^2+(y-6)^2 = (x-2)^2 + y^2
Right away we can cancel out the x terms leaving:
(y-6)^2 = y^2
Expand Left side and Solve for y:
y^2 -12y +36 = y^2
y = 3
Plug in points B and C as before:
(x-2)^2 + y^2 = (x-10)^2 + y^2
Here we can cancel the y-terms.
Expand and solve for x:
x^2 -4x+4 = x^2 -20x+100
16x = 96
x = 6
Therefore the center of the circle is the point (6,3)
6 0
3 years ago
Factor the expression. k^2 – 100h^2
wolverine [178]
K^2 - 100h^2
(k - 10h)(k + 10h)
5 0
3 years ago
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