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2 years ago

6

A triangle with side lengths of 5, 5, and 8 is:

1 answer:

Volgvan2 years ago

6 0

Your answer is c, an obtuse triangle because if the two side lengths are the same length along with a longer side, it become obtuse
let me know if you have any other questions
:)

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Let f(x) = xe^-x+ ce^-x, where c is a positive constant. For what positive value of c does f have an absolute

Illusion [34]

Answer:

$c=6$

Step-by-step explanation:

The absolute maximum of a continuous function $f(x)$ is where $f'(x)=0$ . Therefore, we must differentiate the function and then set $x=-5$ and $f'(x)=0$ to determine the value of $c$ :

$f(x)=xe^{-x}+ce^{-x}$

$f'(x)=-xe^{-x}+e^{-x}-ce^{-x}$

$0=-(-5)e^{-(-5)}+e^{-(-5)}-ce^{-(-5)}$

$0=5e^{5}+e^{5}-ce^{5}$

$0=e^5(5+1-c)$

$0=6-c$

$c=6$

Therefore, when $c=6$ , the absolute maximum of the function is $x=-5$ .

I've attached a graph to help you visually see this.

7 0

2 years ago

Mickael Saltwood can paint 138 doors in 10 hours, while Scott Kepler can paint 59 doors in 5 hours. Who can paint doors faster,

Anastaziya [24]

59x2=118 so Mickael is faster

3 0

3 years ago

Ray delivered 3/8 of the newspapers on his route in the first hour and 4/5 of the rest in the second hour what fraction of the n

Temka [501]

Answer:

$\frac{1}{2}$

Step-by-step explanation:

Let the total number of Newspapers be x

Number of newspapers delivered in first hour of his route= $\frac{3}{8}$ of x

Total number of newspapers delivered in first hour= $\frac{3}{8}$ x

Number of newspapers left= x- $\frac{3x}{8}$

Number of newspapers left= $\frac{8x-3x}{8}$

Number of newspapers left= $\frac{5x}{8}$

Number of newspapers delivered in second hour=4/5 of $\frac{5x}{8}$

Number of newspapers delivered in second hour= $\frac{x}{2}$

Fraction of newspapers delivered in second hour is= $\frac{1}{2}$

Hence, the correct answer is $\frac{1}{2}$

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3 years ago

ILL GIVE YOU BRAINLIEST

kirza4 [7]

Answer:

D

Step-by-step explanation:

Brainliest?

8 0

2 years ago

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Addie selects from 12 shirts, 4 pair of pants, 5 jackets and 2 pair of shoes. How many possible outfits can she make?

choli [55]

Answer:

480

Step-by-step explanation:

All you have to do is multiply all the numbers together.

12 * 4 * 5 * 2 = 480

8 0

3 years ago