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Zielflug [23.3K]
2 years ago
7

A rotation of 180 degrees around the orgin will move a shape how many quadrants ?

Mathematics
1 answer:
Marianna [84]2 years ago
5 0

Answer:

2 quadrants

Step-by-step explanation:

If it is 360 it would be 180 times 2 leading you back to where you started so 2 a  point at (x,y) would turn into (-x,-y) when moved 180 degrees

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he velocity function is v(t)=t2−5t+6 for a particle moving along a line. Find the displacement and the distance traveled by the
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Answer:26.83

Step-by-step explanation:

We will be solving this question using integration. The question has been solved in the diagram

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Put y + 4 = -3/4x in slope intercept form
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Y + 4 = -3/4x  --------------------> y = -3/4x - 4                                                                                                                                                                                                                    
8 0
3 years ago
What is the measure of the vertex angle
maw [93]

Answer:

Vertex angle = 124°

Step-by-step explanation:

m<BAC = m<BCA (base angles of isosceles ∆ are congruent)

7x + 1 = 5x + 9

Collect like terms

7x - 5x = -1 + 9

2x = 8

divide both sides by 2

x = 4

Vertex angle = 180 - ((7x + 1) + (5x + 9)) (sum of triangle)

Plug in the value of x

Vertex angle = 180 - ((7*4 + 1) + (5*4 + 9))

Vertex angle = 180 - (29 + 29)

Vertex angle = 124°

5 0
3 years ago
A fence is put around a rectangular flower bed. The flower bed is 12 feet wide and 16 feet long. What is the total length of the
Studentka2010 [4]
The total length (or perimeter) 56 feet. The equation is 12 + 12 + 16 + 16 = 56.
6 0
2 years ago
Bighorn sheep are beautiful wild animals found throughout the western United States. Data for this problem are based on informat
Virty [35]

Answer:

The answer and explanation are below

Step-by-step explanation:

i followed the data that was given in the question.

∑x=15 ; ∑y=87.3;∑x2=55; ∑y2=1569.77; ∑xy=275

a.)  please refer to the attachment for the scatter diagram. Y was plotted against X.

b. The equation is given as:

Y = b₁ + b₀X

∑x=15 ; ∑y=87.3;∑x2=55; ∑y2=1569.77; ∑xy=275

b₁ = n∑xy - (∑x)(∑y)/n(∑x²) - (∑x)²

b₁ = 5 x 275 - 15 x 87.3/5 x 55 - (15²)

= 1375-1309.5/275-225

= 65.5/50

= 1.31

b₀ = 87.3/5 - 1.31(15/5)

= 87.3/5 - 1.31x3

= 13.53

the regression line is

Y = 13.53 + 1.31X

please refer to the attachment for the diagram for the regression line.

c. we are required to find r.

r = n∑XY - (∑X)(∑Y)/√n∑X²-(∑X)² × √n∑y²-(∑y)²

∑x=15 ; ∑y=87.3;∑x2=55; ∑y2=1569.77; ∑xy=275

inserting these values:

r = 5 x 275-(15)(87.3)/√275-225 x √7848.85 - 7621.29

= 65.5/106.69

= 0.6139

Coefficient of determination = r²

r = 0.6139

r² = 0.3769 = 37.69%

Therefore 37.69% variation in y is explained by variation in x and the least square model.

3 0
3 years ago
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