Arrange the following from least to greatest 0.08,0.1, 1.8, 0.049, 0.103

Mathematics

1 answer:

8_murik_8 [283]3 years ago

3 0

0.049, 0.08, 0.1, 0.103, 1.8.

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In the figure shown, AB = 8 and AD = 5. What is BC?

Aloiza [94]

Answer:

i want to say three

Step-by-step explanation:

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3 years ago

Solve 4x- c= k for x.

ira [324]

Answer:

Step-by-step explanation:

Let's begin the solution by isolating the 4x term:

4x- c= k => 4x = c + k

Now divide both sides by 4:

c + k

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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