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marissa [1.9K]
3 years ago
11

Help me, I'm fighting with this question from 1 weekplease ༎ຶ‿༎ຶ​

Mathematics
2 answers:
xenn [34]3 years ago
8 0

Step-by-step explanation:

<h3>The only regular (all sides equal and all angles equal) quadrilateral is a square</h3>
hichkok12 [17]3 years ago
8 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

If all the angles of a quadrilateral is equal, then let's find the measure of each angle ~

let's assume measure of each angle be x

now, by angle sum property of a quadrilateral ~

  • x + x + x + x = 360

  • 4x = 360

  • x = 360 \div 4

  • x = 90 \degree

So, each angle of the quadrilateral is a right angle, and since it's all sides are equal too hence the required quadrilateral is a square ~

I hope it helps ~

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Which properties did Marty use?<br><br> Thank you very much!!
nadezda [96]

Answer:123

Step-by-step explanation:

5 0
4 years ago
Solve for both x and y value for each angle please
olga_2 [115]
X = 25, y = 14.

This is possible to solve because the vertical angles (7y and 5y + 28 ; 3x +7 and 4x - 18) are equal to each other. To solve for x, just set the two x equations equal to each other. The same is done for y with the y equations.
4 0
3 years ago
11.)-If PQRS is a parallelogram, find the values of x and y.
defon

Step-by-step explanation:

For no. 11

13x + 15 = 19x - 9 ( being opposite sides of parallelogram)

19x - 13x = 15 + 9

6x = 24

x = 4

Also,

4y + 7 ° + 10y - 37° = 180° { being co-interior angles }

14y - 30° = 180°

14y = 210°

y = 210° / 14

y = 15°

For no. 12

5x + 38° = 8x - 19° { being opposite angles of parallelogram }

8x - 5x = 38° + 19°

3x = 57°

x = 19°

Hope it will help :)

4 0
3 years ago
Paulina swims 5 miles down a creek with a current for 2 hours. It takes her 4
Westkost [7]

Answer: her swimming speed = 1.875 mph

Speed of current = 0.625 mph

Step-by-step explanation:

Let x represent her swimming speed.

Let y represent the speed of the current.

Paulina swims 5 miles down a creek with a current for 2 hours. Since this is faster, it means that she swam with the current. Her total speed would be (x + y) mph

Distance = speed × time

Therefore,

5 = 2(x + y)

dividing both sides by 2, it becomes

2.5 = x + y- - - - - - -1

It takes her 4 hours to swim the same 5 miles back to her original destination against the

same current. It means that her total speed was (x - y) mph

Distance covered would be

5 = 4(x - y)

Dividing both sides by 4, it becomes

1.25 = x - y- - - - - - - 2

Adding equation 1 to equation 2, it becomes

3.75 = 2x

x = 3.75/2

x = 1.875

Substituting x = 1.875 into equation 1, it becomes

2.5 = 1.875 + y

y = 2.5 - 1.875

y = 0.625

4 0
3 years ago
Jim rolls a fair dice 54 times. How many times would Jim expect to roll a number greater than 2?​
Novay_Z [31]

Answer:

36 times

Step-by-step explanation:

54:6=9

9.2=18

54-18=36

4 0
3 years ago
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