2 years ago

What is the perimeter of a triangle with sides of lengths 5, 8, & x?

Mathematics

1 answer:

Anastaziya [24]2 years ago

4 0

The perimeter of a triangle can be found by adding up all the sides

so the perimeter is :
5 + 8 + x =
13 + x <==

You might be interested in

Mary is preparing for her college entrance exams in a practice test she answered 12 problems in 30 minutes at this rate how many

kap26 [50]

Answer:

40 problems in 100 minutes

Step-by-step explanation:

This is a ratio problem.

You first divide 30 minutes by three to get how many problems she can do in 10 minutes. What you do to one side you do to the other side. So then, you should have 4 problems in 10 minute. Then, you multiply 10 by 10 and 4 by 10 to get 40 problems in 100 minutes.

6 0

3 years ago

What is the reference angle for 7 pi/6?

Mademuasel [1]

Answer:

$\frac{\pi }{6}$

Step-by-step explanation:

$\frac{7\pi }{6}$ is an angle in the third quadrant

To find the reference angle subtract π from it

reference angle = $\frac{7\pi }{6}$ - π = $\frac{\pi }{6}$

3 0

2 years ago

Whose method is correct?

boyakko [2]

Answer: Jaleel´s method is correct and the right option is option number D

Step-by-step explanation:

its because 2(x-2)

= 2x-4

note 2 is multiplied with both x and -2!

4 0

2 years ago

Felix was asked whether the following equation is an identity:<br> (x^2-1)^2=(x^2-1)+(2x)^2

Rudiy27

Answer:

The answer is no

Step-by-step explanation:

The equation is not an identity

7 0

2 years ago

-21 <-5n-2n solve for n

Ray Of Light [21]

Answer:

Step-by-step explanation:

hsebhqejfqhjdbfkegfoyhadhof

6 0

2 years ago