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3 years ago

15

If f(x) is continuous on a closed interval, then it is enough to look at the points where f prime (x )equals0 in order to find

its absolute maxima and minima.
A) True
B) False

1 answer:

aivan3 [116]3 years ago

5 0

This would be false

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What is the length of the apothem of a regular hexagon with 10-cm sides?

vodka [1.7K]

Answer:

The length of apothem of given hexagon is 8.66 cm

Step-by-step explanation:

Apothem of a polygon is given by:

$apothem = \frac{s}{2\ tan\ (\frac{180}{n})}$

Here

s is length of side

tan is trigonometric function

and n denotes number of sides

Given that the polygon is a hexagon

$s = 10cm\\n = 6$

Putting the values in the formula

$apothem = \frac{10}{2\ tan\ (\frac{180}{6})}\\= \frac{10}{2\ tan\ 30}\\=\frac{10}{2 * 0.5773}\\=\frac{10}{1.1546}\\=8.6610\\Rounding\ off\ to\ nearest\ hundredth\\= 8.66\ cm$

Hence,

The length of apothem of given hexagon is 8.66 cm

6 0

3 years ago

K/13 = 0.6/0.5 what does that equal

photoshop1234 [79]

$\frac{k}{13}$ = $\frac{0.6}{0.5}$ equals k = 15.6

First, simplify $\frac{0.6}{0.5}$ to 1.2. Your problem should look like: $\frac{k}{13}$ = 1.2
Second, multiply both sides by 13. Your problem should look like: k = 15.6, which is the answer.

5 0

3 years ago

What is the discriminant of the quadratic equation 2x + 5x^2=1?

Natalka [10]

Answer:

1

Step-by-step explanation:

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3 years ago

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What is the area of the triangle given below?

vovikov84 [41]

Answer:

70 .formula = 1/2*b*h hope it helps

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2 years ago

2ab( 4a2 + 3ab - 7b2)

Kisachek [45]

Answer:

6ab + -3a2

Step-by-step explanation:

2ab(4a2 + 3ab - 7b2) original problem

2ab(3ab + 4a2 - 7b2) commutative property

2ab(3ab + -3a2) subtract

4 - 7 = -3

6ab + - 3a2 mulitiply

2ab x 3ab = 6ab

and that is you final expression, you can't add the last 2 numbers cause they are not like terms.

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2 years ago

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