Ask question

Ask question

All categories

3 years ago

7

the formula s= (n-2) * 180 can be used to find the sum of the interior angles of a polygon with n sides. Which formula can be us

ed to find the number of sides a polygon has?

1 answer:

labwork [276]3 years ago

4 0

Answer:

sum of interior angle of a polygon/180=n-2

You might be interested in

I am so lost, please help

skelet666 [1.2K]

Answer:

$u=\frac{9}{t}-\frac{1}{2} a t$

Step-by-step explanation:

Step 1: Given equation: $9=\frac{1}{2} a t^{2}+u t$

To get u, by subtraction equality property subtract both sides of the equation by $\frac{1}{2} a t^{2}$ .

$\Rightarrow 9-\frac{1}{2} a t^{2}=\frac{1}{2} a t^{2}+u t-\frac{1}{2} a t^{2}$

$\Rightarrow 9-\frac{1}{2} a t^{2}=u t$

Step 2: By division equality property, divide both sides of the equation by t.

$\Rightarrow \frac{9-\frac{1}{2} a t^{2}}{t}=\frac{u t}{t}$

$\Rightarrow \frac{9}{t}-\frac{1}{2} a t=u$

Therefore, $u=\frac{9}{t}-\frac{1}{2} a t$ .

So, in Emily’s physics class, she got $u=\frac{9}{t}-\frac{1}{2} a t$ .

7 0

3 years ago

In any triangle ABC, which of the relations

MrRa [10]

ab+bc>can is the correct answer

3 0

2 years ago

Needdd hellpppppssssssss

Ratling [72]

Answer:

Choice number one:

$\displaystyle \frac{5}{10}\cdot \frac{4}{9}$ .

Step-by-step explanation:

Let $A$ be the event that the number on the first card is even.
Let $B$ be the event that the number on the second card is even.

The question is asking for the possibility that event $A$ and $B$ happen at the same time. However, whether $A$ occurs or not will influence the probability of $B$ . In other words, $A$ and $B$ are not independent. The probability that both $A$ and $B$ occur needs to be found as the product of

the probability that event $A$ occurs, and
the probability that event $B$ occurs given that event $A$ occurs.

5 out of the ten numbers are even. The probability that event $A$ occurs is:

$\displaystyle P(A) = \frac{5}{10}$ .

In case A occurs, there will only be four cards with even numbers out of the nine cards that are still in the bag. The conditional probability of getting a second card with an even number on it, given that the first card is even, will be:

$\displaystyle P(B|A) = \frac{4}{9}$ .

The probability that both $A$ and $B$ occurs will be:

$\displaystyle P(A \cap B) = P(B\cap A) = P(A) \cdot P(B|A) = \frac{5}{10}\cdot \frac{4}{9}$ .

6 0

2 years ago

2.10 volume ratios

Colt1911 [192]

Answer:

512 : 1331

Step-by-step explanation:

<u>The volume is the product of three dimensions, so the ratio of volumes is the cube of the scale factor:</u>

k = 8/11
k³ = (8/11)³ = 512 / 1331

7 0

2 years ago

Answer this correct and I will give you extra points.

IRINA_888 [86]

Answer:

he didnt subtract each equations on both sides

5y-6=4y+1

-4 -4

y -6=1

+6=+6

y=7

Step-by-step explanation:

hope that wrk

3 0

2 years ago