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Natalka [10]
3 years ago
5

How many lines of symmetry does the figure have? Which letter has rotational symmetry ?

Mathematics
2 answers:
Hunter-Best [27]3 years ago
6 0

Problem 2

The figure has one line of symmetry.

This line is vertical and passes through the direct center. Imagine folding one side to have it land perfectly on the other side.

================================

Problem 3

The letter Z has rotational symmetry.

If we were to look at the letter, close our eyes, and then rotate it 180 degrees (or have a friend do so), we wouldn't see any difference if we opened our eyes again. The "before" and "after" images being identical is what gives it rotational symmetry. Put another way, rotating the letter 180 degrees has it line up with itself.

erica [24]3 years ago
3 0

Answer:

42, B. 1

Step-by-step explanation:

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Please solve this equation
tangare [24]

Answer:

∠2 = 41°

Step-by-step explanation:

This is because, all three interior angles in a triangle will have a sum of 180 degrees.

So given that we have two angles, 90 degrees(right angle) and 49 degrees, we can replace angle 2 as our unknown value(a variable) and make it equal to 180 degrees then solve for x;

49 + 90 + x = 180

139 + x = 180

-139        -139

x = 41°, ∠2 = 41°

3 0
2 years ago
A. Does the relationship of weeks passed and total number of followers represent a linear function? (0.5 points) B. What is the
vodomira [7]

The terms "linear function" in mathematics apply to two different but related ideas: A polynomial function of degree zero or one that has a straight line as its graph is referred to as a linear function in calculus and related fields.

a) Yes it does, because the graph of their relationship is a Straight line

b) Independent variables are variables whose variation does not depend on another. Number of works does not depend on followers. Therefore, it is independent

C)number of followers depend on the number of locks passing. It is dependent.

D) Slope = (Y₂- Y₁)/(x₂-x₁) = (100-82)/ (3-0) =  18/3 = 6

It represents the increase in number of followers per week,

E) y-intercept is value of y when x=0

y-intercept = 82. It means his initial number of followers

F) Slope-intercept form → y = mx + c m = slope горе C = y-intercept y = no of followers x= weeks.

Y=6x+82

Learn more about linear function here:

brainly.com/question/4025726

#SPJ10

7 0
2 years ago
Simplify -(-2a + 13) + (-9a - 2) - (-7a - 3)
nadya68 [22]
-12 hope it helps :)
5 0
3 years ago
Read 2 more answers
The sales team at an electronics store sold 48 computers last month. The manager at the store wants to encourage the sales team
brilliants [131]
The number of computers sold has to be 30% more than 48.
30% of 48 plus the numbers sold last month 
.3 x 48 +48
14.4 +48
62.4
Round up because the numbers has to be an integer value. (You can't have 2/5 of a computer).

63 computers

Hope this helps :)

8 0
3 years ago
Read 2 more answers
Can someone help me find the value of x for the figures given ? Thanks!
stealth61 [152]
I hope this helps you

4 0
3 years ago
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