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vampirchik [111]
3 years ago
5

Which of the following sets could not represent the sides of a triangle? {3, 4, 5} {2, 2, 4} {3, 3, 5}

Mathematics
2 answers:
4vir4ik [10]3 years ago
7 0
{2, 2,4} is the correct answer.
LiRa [457]3 years ago
4 0
Using the Theorem of Pythagoras (a² + b² = c²), let's go through each answer.

{3, 4, 5}

Put in the values:
3² + 4² = 5²
Is it correct? (solve)

Yep! :)

{2, 2, 4}

Put in the values:
2² + 2² = 4²
Is it correct? (solve)

Nope! 2² + 2² = 8. And 4² = 16.

The answer is {2, 2, 4} :)

Hopefully this helps! If you have any more questions or don't understand, feel free to DM me, and I'll get back to you ASAP!
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To measure the distance across a pond, Sandy and Garrett mark a spot at on
DerKrebs [107]

Answer:

distance across the pond: 13 yd

distance walked by Garret: 12 yd

Step-by-step explanation:

Data:

  • distance across the pond: x yd
  • distance walked by Sandy: 5 yd
  • distance walked by Garret: x-1 yd

A right triangle is formed where the distance across the pond is the hypotenuse. From Pythagorean theorem:

x² = 5² + (x-1)²

x² = 25 + x² - 2x + 1

0 = 26 - 2x

x = 13

4 0
3 years ago
Which equation listed below, when solved, shows how to find the circumference of a circle if the diameter is 6 inches? Use 3.14
dangina [55]

Answer:

C = π(6)

C = 6π

C = 18.84

Step-by-step explanation:

The circumference is the distance around the circle. It relates the number of times the diameter will encircle the circumference as 3.14 or π. As a result, the formulas for the circumference of a circle are C = 2πr or C = πd. The information given is the diameter so use C = πd by substituting d = 6.

C = π(6)

C = 6π

C = 18.84

6 0
2 years ago
X sqaured plus 4x plus 20 equlas 12x minus 5
skelet666 [1.2K]

Answer:

x² + 4x + 20 = 12x - 5

x² + 4x - 12x + 20 + 5 = 0

x² - 8x + 25 = 0

Δ = √b² - 4ac

= √(-8)² - 4×1×25

= √64-100

= √(-36)

x ∉ R

3 0
3 years ago
Read 2 more answers
For this figure what is the value of X?<br><br> How did you solve this?
Ivanshal [37]

Answer:

x=60

Step-by-step explanation:

This is a parallelogram.

For a parallelogram,

sum of angles in one side is 180.

we know, in a parallelogram,

the consecutive angles are supplementary or

their sum is  180.

So, we get,

x+33+87=180

or, x+120=180

subtracting   120

x+120-120=180-120

or, x=60

6 0
3 years ago
Simplify (27-17)^2-80
artcher [175]

Answer:

-60

Step-by-step explanation:

7 0
2 years ago
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