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Gala2k [10]
3 years ago
13

What is the value of x?​

Mathematics
1 answer:
alisha [4.7K]3 years ago
7 0

Answer:

130

Step-by-step explanation:

31+19=50

Angle in a triangle add up to 180

180-50=130

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Two opposite sides of a parallelogram are 3x-8 and 10x+13. Find the measure of all sides
RSB [31]

Answer:

Step-by-step explanation:

Using the parallelogram theorem

3x-8 = 10x+13

-7x = 21

x = -3

Substitute

3(-3) - 8

-17

10(-3) + 13

-17

5 0
3 years ago
Use the following diagram and information to complete the proof.
Rashid [163]

Answer:

Given: ABCD is a rectangle.

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Step-by-step explanation:

Given: ABCD is a rectangle.

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6 0
3 years ago
Given the value of the hypotenuse c for a 30°-60°-90° triangle, write the
zlopas [31]

Answer:

a= c/2

b= (c/2)×√3

side b is the side with the 60 degree angle.

side a is the side with the 30 degree angle.

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I get the following equations shown above.

6 0
2 years ago
Help plz it’s Liberal Arts mathematics
gregori [183]

For #6, x=-3, add 4 to both sides, divide by 2. #7 is 8, #8 is 3, #9 is 3, #10 is -5.

7 0
3 years ago
Two similar solids have a scale factor of 6 : 7. What is the ratio of their volumes, expressed in lowest terms?
Anarel [89]
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216 : 343

7 0
3 years ago
Read 2 more answers
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