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IrinaK [193]
3 years ago
10

•

Mathematics
1 answer:
arlik [135]3 years ago
7 0
Tessellation is the arrangement of congruent shapes, with no gaps and overlaps. The tessellation artwork (Picture 1) used equilateral triangles, distinguished by two designs.

An equilateral triangle has equal angles which measures 60 degrees. Hence, in this tessellation, the vertex (point where the triangles meet), total angle is 360 degrees. See picture 2 for proof.

You might be interested in
Given the domain {-2, 1, 5}, what is the range for the relation 4x + y = 3?
steposvetlana [31]

Answer:

Step-by-step explanation:

Domain is the set of all possible inputs (x) for the function f(x)

The range is the set of all possible values for that domain

This function is 4x + y = 3 which can be re-written as y = 3-4x

Plug in each of the domain values and you will get the range

For -2 : y = 3-4(-2) = 3 + 8 = 11

For 1:  y = 3-4(1) = -1

For 5: y = 3-4(5) = -17

So range is {-17, -1, 11}  

6 0
1 year ago
two factors are multiplied and their product is 34.44 one factor is a whole number.how many decimal places are in the other fact
Jobisdone [24]
Well, if the product has two decimal places and it is known that one factor has none, then the other factor must have two decimal places. Where would those two decimal places in the product come from otherwise?

Some examples:
1 * 34.44 = 34.44
2 * 17.22 = 34.44

In both cases, the non-integer factor had two decimal places.

Hope I helped, and let me know if you have any questions! :D
3 0
3 years ago
Read 2 more answers
What does x=<br> And what is the angle
Alexeev081 [22]

Answer:

If the lines area parallel: x = 69 degrees

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Hey guys could you help?
lawyer [7]

Answer:

Canadian railcars show weight figures in both imperial and metric. Canadian railways also maintain exclusive use of imperial measurements to describe train length and height in feet and train masses in short tons. Canadians typically use a mix of metric and imperial measurements in their daily lives.

6 0
2 years ago
The Happy-Go-Lucky Beach was 163 feet long from parking lot to high tide. After last year's hurricane came ashore, the beach onl
ANTONII [103]

Answer:

About 5.5% decrease

Step-by-step explanation:

Here, we want to calculate the percentage increase or decrease and its value.

The first thing to do here is to check if we are going to have a decrease or an increase.

since the value before the change is higher than the value after the change, then what we have is a decrease.

Mathematically, the percentage decrease is calculated as follows;

% decrease = (old value - new value)/old value * 100%

old value = 163 feet

new value = 154 feet

% decrease = (154-163)/163 * 100%

% decrease = -9/163 * 100%

% decrease = -5.52%

Thus the best answer is about 5.5% decrease

4 0
3 years ago
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