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3 years ago

What is the sum of the measures of the interior angles of a hexagon?

Mathematics

2 answers:

Eduardwww [97]3 years ago

3 0

Answer:

720°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 6 ( number of sides of a hexagon ), thus

sum = 180° × 4 = 720°

NikAS [45]3 years ago

3 0

Answer:

720 degrees.

Step-by-step explanation:

Total angles value for a polygon of n sides = 180(n - 2)

So for a hexagon it is 180(6 - 2)

= 180 * 4

= 720 degrees.

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A model rocket is launched directly upward at a speed of 20 meters per second from the ground. The function f(t)=−4.9t2+20t, mod

Nataly [62]

Answer:

The rocket will reach its highest point about 2.04 seconds.

Step-by-step explanation:

The function:

$f(t)=-4.9t^2+20t$

Models the relationship between the height of the rocket and the time after launch t in seconds.

Since this is a quadratic function, the rocket will reach its highest point at its vertex. The vertex of a quadratic is given by:

$\displaystyle \Big(-\frac{b}{2a}, f\Big(-\frac{b}{2a}\Big)\Big)$

In this case, a = -4.9, b = 20, and c = 0. Thus:

$\displaystyle t=\frac{-(20)}{2(-4.9)}=\frac{10}{4.9}\approx 2.04$

The rocket reaches its maximum height after 10/4.9 or about 2.04 seconds.

Further Notes:

Then the maximum height of the rocket will be f(10/4.9):

$\displaystyle f\Big(\frac{10}{4.9}\Big)=-4.9\Big(\frac{10}{4.9}\Big)^2+20\Big(\frac{10}{4.9}\Big)\approx20.41\text{ feet}$

4 0

3 years ago

Need answers to question below :) will give crown to the first one to answer

Rudik [331]

Unfortunately I'm unable to understand

4 0

3 years ago

Read 2 more answers

A<br> B<br> C<br> D <br> HELP ASAP PLZ

murzikaleks [220]

Answer:

Step-by-step explanation:

you see triangle DEF is equal to triangle FGH

you write down on the way of triangle DEF formed

you write down on the way of triangle FGH formed.

It has to be the same way.

so plug in the choices

b c and d are the same ways

but a didn`t

5 0

3 years ago

A chess Club with 80 members is electing a new president. Yoko received 72 votes. What percentage of club members voted for Yoko

Rzqust [24]

Answer:

90%

Step-by-step explanation:

You can make the votes simple by dividing 8 on 80 and 72

80 becomes 10

72 becomes 9

You can do this because we done the same thing to both sides

now it is Yoko got 9 out of 10 and we know 9 out of 10 is 9/10 or 90/100 which mean Yoko got 90% of the club members vote

6 0

3 years ago

Read 2 more answers

What are possible rational roots of polynomial function 0= 3x^8 + 11x^5+4x+6

stealth61 [152]

Answer:

1,-1,2,-2,3,-3,6,-6, 1/3, -1/3, 2/3, -2/3

Step-by-step explanation:

Factors of the constant which are:

+1,-1,+2,-2,+3,-3,+6,-6

Also, these divided by the factors of the leading coefficient (3 in this case)

Factors of 3 are 1 & 3

Dividing by 1 will give the same values

Dividing by 3:

1/3,-1/3,2/3,-2/3,3/3,-3/3,6/3,-6/3

1/3,-1/3,2/3,-2/3,1,-1,2,-2

Distinct possibilities:

1,-1,2,-2,3,-3,6,-6, 1/3, -1/3, 2/3, -2/3

6 0

3 years ago