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ASHA 777 [7]
3 years ago
14

Helpp!!! i don't understand this

Mathematics
1 answer:
natali 33 [55]3 years ago
6 0
Two right angles is 90+90=180°. the inside angles of a polygon always add up to 360°, so the other four angles add to 360°-180°=180°. 180/4 is 45. since all of the "x" angles are the same, x=45°
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Find the midpoint of the line segment<br> with endpoints (-4, 16) and (6, -10).
Alenkasestr [34]

Answer:

<h3>B. (1,3)</h3>

Step-by-step explanation:

<h3>What is a midpoint?</h3>

Midpoint a point equidistant from the ends of a line or the extremities of a figure.

To find the midpoint of the line segment with endpoint, use the midpoint formula.

<u>Midpoint formula:</u>

\Rightarrow: \sf{\dfrac{x_2+x_1}{2}, \dfrac{y_2+y_1}{2} }}}

y2=(-10)

y1=16

x2=6

x1=(-4)

<u>Rewrite the problem down.</u>

\sf{\left(\dfrac{6-4}{2},\:\dfrac{-10+16}{2}\right)}

<u>Solve.</u>

6-4=2

2/2=1

-10+16=6

6/2=3

<u>= (1,3)</u>

Therefore, the correct answer is B (1,3).

I hope this helps, let me know if you have any questions.

To learn more about midpoint:

brainly.com/question/5127660

#SPJ1

3 0
2 years ago
The vector v has initial point P(1, 0) and terminal point Q that is on the y-axis and above the initial point. Find the coordina
zloy xaker [14]

Answer:

The terminal point is Q(0,4)

Step-by-step explanation:

We are given the following in the question:

Initial point of vector, P(1,0)

The terminal point Q lies on the y-axis, thus Q have coordinates of the form:

Q(0,y)

The magnitude of the vector is \sqrt{65}

Magnitude is given by:

v = \sqrt{(x_2-x_2)^2+(y_2-y_1)^2}\\\sqrt{65}=\sqrt{(0-1)^2+(y-0)^2}\\\sqrt{65}=\sqrt{1+y^2}\\65 = 1+y^2\\y^2 = 64\\y = \pm 8

But since the terminal point is above the initial point, thus,

y > 0\\\Rightarrow y = 4

Thus, the terminal point is Q(0,4)

4 0
3 years ago
Which of the following scenarios does not have a unit rate of 8?
Tems11 [23]

Answer:

wow uh that hard idk. lol I probably should cuz I'm a sophomore

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
(2.01)A polygon is shown on the graph:
romanna [79]

3 units down would be subtracting 3 from the  Y values and 4 units left would be subtracting 4 from the X values

Point A is at (2,-1)

The new point would be at (2-4, -1 -3) = (-2,-4)

Point B is at (1,-4)

The new point would be at (1-4, -4 -3) = (-3,-7)

Point C is at (3,-5)

The new point would be at (3-4, -5-3) = (-1,-8)

Point D is at (5,-3)

The new point would be (5-4, -3-3) = (1,-6)

So the new location would be:

A' (-2,-4)

B' (-3,-7)

C' (-1,-8)

D' (1,-6)

8 0
3 years ago
Read 2 more answers
Find the volume of the cube. *<br> Answer choices: 30 1/2, 33 3/4, 31 1/4, 32 1/3
steposvetlana [31]

Answer:

volume = wide x length x deep

            = 3{1/3} ft x 2{1/2} ft x 3{3/4}ft

             = 10/3ft  x 5/2ft    x 15/4ft

             = (10 x 5 x 15)/(3 x 2 x 4) ft^3

              = 125/4 ft^3

               = 31{1/4} ft^3

Step-by-step explanation:

5 0
3 years ago
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