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2 years ago

Can somebody make a net for this shape please?

Mathematics

1 answer:

STALIN [3.7K]2 years ago

4 0

Hi, shown is one possible net.

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The function f(x) = –x2 + 20x – 75 models the profit from one customer, in dollars, a shop makes for printing photos, where x is

trasher [3.6K]

The function is graphed as shown below

Part A:

We use the formula $- \frac{b}{2a}$ to find the vertex of the function. A quadratic function of the form of $a x^{2} +bx+c$ and equating this form to the given function $- x^{2} +20x-75$ , we have
$b=20$ and $a=-1$ .

Substituting $a$ and $b$ into the vertex formula, we have
$x=- \frac{20}{2(-1)}=10$ , as shown in the graph

This calculation means that the highest profit is achieved when the number of photo printed equals to ten photos

Part B:

We can find solution to this equation by factorising

$- x^{2} +20x-75=0$
$-( x^{2} -20x+75)=0$
$x^{2} -20x+75=0$
$(x-5)(x-15)=0$
$x=5$ and $x=15$ , as shown in the graph

The two values means that the company makes no profit when they either produce 5 or 15 photos

8 0

3 years ago

Find the volume. Please help! Thanks!<br> hehe

sineoko [7]

Volume of a Square Pyramid: 1/3 x length x width x height

Length = 2

Width = 2

Height = 3

Volume = 1/3 x 2 x 2 x 3

Volume = 1/3 x 4 x 3

Volume = 1/3 x 12

Volume = 4

Volume = 4 cm^3

Hope this helps!

8 0

1 year ago

If the office furniture costs $9,900 and it was three times as expensive as the office computer, what was the cost of the comput

Readme [11.4K]

Answer: 3,300

Step-by-step explanation:

9,900÷3

3 0

2 years ago

Read 2 more answers

What is 4.110 in word form

irga5000 [103]

Four and Eleven Hundredth

7 0

3 years ago

Is the relation below a function? If it is a function, state its domain.

nasty-shy [4]

Answer:

not a function. domain = -2, 3, 8 (you don't have to write them in any specific order and you also don't need to write -2 twice)

Step-by-step explanation:

to be a function, all of the x's must be different

4 0

2 years ago