MATHEMATICS HIGH SCHOOL

AC and BD are perpendicular bisectors of each other. Find the perimeter of ADE. m<D = 12, AB = 13, EC = 5.

Answers

Answer 1
Answer:

The perimeter of the triangle ΔADE will be 30 units.

What is the perimeter of a triangle?

Let the triangle be ABC.

Then the perimeter of the triangle will be

Perimeter = AB + BC + CA

AC and BD are perpendicular bisectors of each other.

The diagram is shown below.

P = AD + DE + EA

P = 13 + 12 + 5

P = 30 units

More about the perimeter of a triangle link is given below.

brainly.com/question/23935199

#SPJ2
Answer 2
Answer:

THE CORRECT ANSWER IS 30.

AC and BD are perpendicular bisectors of each other.

=> ABCD is rhombus.

AD = 13

AE = √(13^2 - 12^2) = 5

the perimeter of triangle ADE = 13+12+5 = 30

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What is the value of y so that the ordered pair (5, y) is a solution to the equation –5x + y = –40?

Answers

(5, y).  Implies that x = 5

-5x + y = -40

-5*5 + y = -40

-25 + y = -40

y = -40 + 25

y = 25 - 40

y = -15.

Value of y = -15.
I'm a little confused with the question but if u want to find the value for y so u can get -40 is going to be -35
-5x+y=-40
-5(1)+y(-35)=-40
-5-35=-40

Find the area of the polygon with the coordinates (1, 2), (3, 2), (3, 0), and(1,0).
2 sq. units
8 sq. units
4 sq. units
16 sq. units

Answers

Answer:

4 sq. units

Step-by-step explanation:

Since the polygon has 4 vertices, hence the polygon is a quadrilateral with four sides and four angles.

We can see that for this polygon, opposite sides are parallel and equal to each other.

To find the area of the polygon, we have to first get the length of the polygon and then the width of the polygon, hence:

The length is the distance between (1, 2) and (3, 2):

length=√((3-1)^2+(2-2)^2) =2\ units\n

The breadth is the distance between (3, 2) and (3, 0):

length=√((3-3)^2+(0-2)^2) =2\ units\n

Since length = breadth, hence this is a square.

Area= length * breadth = 2 * 2 = 4 sq. units

If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?A. 2 hours and 24 minutes
B. 3 hours and 12 minutes
C. 3 hours and 44 minutes
D. 4 hours and 10 minutes
E. 4 hours and 33 minutes

Answers

Answer:No A

Step-by-step explanation:

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How do I solve a literal equation. Ex: Mary, has to pay x Kg meatballs, y kg potatoes and z litres juice

Answers

so first off, you need another bit of information. if we were looking at how much it would cost her. we would need to know the price of meatballs, potatoes and juice. from then, it is simple

we have x times by the cost of meatballs per kilo, y times by the cost of potatoes per kilo, and z times by the cost of juice per litre. 

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Please someone help me giving brainliest :)

Answers

Answer 4

6 goes into 24 4 times and since both the top and bottom are negative the answer is positive

Answer:

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