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UNO [17]
3 years ago
12

Given ΔXYZ is isosceles, what is XZ if the perimeter is 107 units and XZ = XY?

Mathematics
1 answer:
Naya [18.7K]3 years ago
7 0

Answer:

well considering it is length it could be anything i think

if XZ= 45

then XY could also be 45

and then YZ would be 17

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How do I solve this?
serg [7]

Answer:

  (x, y) = (18, 5)

Step-by-step explanation:

Assuming the three lines meet at a single point at lower left (the figure is sloppily drawn), the angle (3x)°+49° is a corresponding angle to (7x-23)°. That means they have the same measure:

  3x +49 = 7x -23

  72 = 4x . . . . . . . . . add 23-3x

  18 = x . . . . . . . . . . . divide by 4

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Angles (3x)° and (11y-1)° are "corresponding" angles, so are congruent.

  3x = 11y -1

  3(18) +1 = 11y . . . . add 1, fill in the value of x

  55/11 = y = 5 . . . . divide by 11

The values of x and y are 18 and 5, respectively.

5 0
3 years ago
Anna wants to make 4 sets of curtains. Each set requires 5 1/8 yards. How much fabric does she need?
Tju [1.3M]

Answer:

20 and 4/8 yards of fabric.

Step-by-step explanation:

Explanation

3 0
3 years ago
Can somebody plz answer this math problem correctly thanks!!
otez555 [7]

Answer:

33. 224

34. 128

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Step-by-step explanation:

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6 0
3 years ago
What is the discriminant of the equation below? <br> X^2 - 8x - 2 = 0
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

b^2 - 4ac > 0

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4 0
3 years ago
Question:<br><br>|x-2|, if x &gt; 5<br> simplify without the absolute value sign
nikitadnepr [17]

Answer:

x - 2, if x > 5

Step-by-step explanation:

The vertical lines either side of the expression mean absolute value.

The absolute value of a number is its <u>positive numerical value</u>.

if x > 5 then as 5 > 2, the values inside the vertical lines will always be positive.  Therefore, we can disregard the absolute value.

Therefore:  

x - 2,  if x > 5

To find the range (output values) of the expression, substitute x = 5 into the expression:

⇒ 5 - 2 = 3

Therefore, |x - 2| > 3,  if x > 5

5 0
2 years ago
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