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zzz [600]
3 years ago
6

5. If W(-10, 4), X(-3,-1), and Y(-5, 11) classify AWXY by its sides. Show all work to justify your

Mathematics
1 answer:
Ierofanga [76]3 years ago
3 0

Answer:

  an isosceles right triangle

Step-by-step explanation:

The square of the length of a side can be found from the distance formula:

  d^2 = (x2-x1)^2 +(y2-y1)^2

The square of the length of WX is ...

  WX^2 = (-3-(-10))^2 +(-1-4)^2 = 49+25 = 74

The square of the length of XY is ...

  XY^2 = (-5-(-3))^2 +(11-(-1))^2 = 4 +144 = 148

The square of the length of YW is ...

  YW^2 = (-10-(-5))^2 +(4 -11)^2 = 25 +49 = 74

The sum of the squares of the short sides is equal to the square of the long side, so this is a right triangle. The squares of the short sides are equal, so this is an isosceles right triangle.

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Find the percent decrease.Round to the nearest percent. From 97 to 75
damaskus [11]

Answer:

Step-by-step explanation:

Decrease = 97 - 75 = 22

Percentage of decrease=

=\frac{22}{97}*100

= 22.68

= 23%

4 0
3 years ago
7. Sundeep travels by train to a meeting in Barcelona.
Nataliya [291]

Answer:

10:10 am.

Steps:

time = distance/speed

time= 270/120

=2 hours and 25 minutes

3 0
2 years ago
Adelle solved the equation 4x/7 -6= -20 as shown. Fill in the correct justification for each step. [ Look at the picture. Please
grigory [225]

Answer:

2)add both sides by 6

3) multiply both sides by 7

4)divide both sides by 4

Step-by-step explanation:

7 0
2 years ago
Refer to the image. (Actually read it)
Korvikt [17]

Answer:

(4, 5)

Step-by-step explanation:

5x + y = 25

-3x + 2y = -2

5x + y = 25

y = 25 - 5x

-3x + 2 * (25 - 5x) = -2

-3x + 50 - 10x = -2

-13x = -52

x = 4

5 * 4 + y = 25

20 + y = 25

y = 5

Solution: (4, 5)

8 0
2 years ago
Read 2 more answers
The list price on slacks is $22, and the list price on jumpers is $37. If Petit’s Clothing Store orders 30 pairs of slacks and 4
hichkok12 [17]

Answer:

The trade discount is

$235.4

Step-by-step explanation:

Given data

Slacks= $22

Jumpers= $37

Number of orders for Slacks= 30

Number of orders for Jumpers= 40

Total cost

22*30=$660

37*40=$1480

=$2140

11% discount can be computed as

=11/100*2140

=$235.4

7 0
2 years ago
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