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Anna11 [10]
3 years ago
5

How many lines of a reflectional symmetry does a equilateral triangle have?

Mathematics
2 answers:
lyudmila [28]3 years ago
5 0
I believe the correct answer is 3.
Feliz [49]3 years ago
5 0

Answer:

Equilateral triangle has 3 Reflection symmetry.

Step-by-step explanation:

Given  : Equilateral triangle.

To find : How many lines of a reflectional symmetry does a equilateral triangle have.

Solution : We have given a  equilateral triangle.

Equilateral triangle :triangle which has all three sides and angles are equal.

Reflection symmetry : If we reflect any shape of figure it gives same shape .

Therefore, Equilateral triangle has 3 Reflection symmetry.

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10. The sum of three consecutive integers is 45. What are the three integers?
spayn [35]

Answer:

<h3>            14, 15, 16</h3>

Step-by-step explanation:

The consecutive integers iincrease by 1. So the middle integer of an odd number of consecutive integers is their mean. Three is an odd number of integers.

45:3 = 15   ← middle number

15 - 1 = 14   ← the smallest number

15 + 1 = 16  ← the largest number

8 0
3 years ago
Which statement is true about this equation? 3(-y 7) = 3(y 5) 6.
Ahat [919]

The statement that is true about the equation 3(-y + 7) = 3(y + 5) + 6 is;

Statement A; The equation has one solution, y = 0

The given equation is;

3(-y + 7) = 3(y + 5) + 6

Expanding the brackets gives us;

-3y + 21 = 3y + 15 + 6

-3y + 21 = 3y + 21

Using subtraction property of equality, subtract 21 from both sides to give;

-3y = 3y

Using addition property of equality, add 3y to both sides to give;

-3y + 3y = 3y + 3y

6y = 0

Using division property of equality, divide both sides by 6 to get;

y = 0

Read more about factorization at; brainly.com/question/11000698

The missing statements are;

A. The equation has one solution, y = 0.

B. The equation has one solution, y = -1.

C. The equation has no solution.

D. The equation has infinitely many solutions.

8 0
2 years ago
Simplify (6x2 − 3 − 5x3) − (4x3 + 2x2 − 8).
mezya [45]
(6•2 - 3 - 5•3) - (4•3 + 2•2 - 8)
(12 - 3 - 15) - (12 + 4 - 8)
(9 - 15) - (16 - 8)
(-6) - (8)
-14
7 0
3 years ago
Read 2 more answers
How to find domain and range of a parabola?
german
The domain is the value of x, the range is the value of y.
A parabola opens infinitely to the right and left, so x can be any number, the domain is all real numbers
Vertically, however, a parabola opens only one way, either upward or downward. when it opens upward from a a certain level, say, the lower point (the vertex) has a y coordinate of 2, we say the range is all real numbers larger than or equal to 2, or y≥2. When it opens downward, we say the range is all real numbers smaller or equal to 2, y≤2
8 0
3 years ago
The plus minus of a player for the first forty games of the season is listed below. A plus when is your team scored more
Tamiku [17]

Answer:

take the population mean divided by four

Step-by-step explanation:

4 0
3 years ago
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