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Bezzdna [24]
2 years ago
14

How do I solve for X?

Mathematics
1 answer:
ladessa [460]2 years ago
3 0

All the angles should add up to 360°.

8x+10x+9+21x-12+90=360°

Group like terms together.

So,8x+10x+21x+9+90-12=360

39x+87=360

39x=360-87

39x=273

x=7

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8. Write an inverse variation equation relating x and y when x = 18 and y = 4.5. (64) help pliz​
mr Goodwill [35]

Answer:

answer are

a.k=13.5;13.5y=x

b.k=1.5;y=1.5x

c.k=1.5;y=1.5/x

d.k=13.5;xy=13.5

3 0
3 years ago
The ratio of 4:8 is equivalent to x:6, what is the value of x?
Dimas [21]

Answer:

x = 3

Step-by-step explanation:

Given

4 : 8 = x : 6, expressing in ratio form, that is

\frac{4}{8} = \frac{x}{6} ( cross-  multiply )

8x = 24 ( divide both sides by 8 )

x = 3

Thus 4 : 8 = 3 : 6

6 0
3 years ago
Read 2 more answers
Liam bought 5 7/8 pounds of steak. He used 2 1/16 pounds of steak for a cookout.
Ket [755]

The pounds of steak remaining after the cookout is 3 13/16 pounds

Given:

Total steaks bought = 5 7/8

Steaks used for cookout = 2 1/16

Total steaks remaining = Total steaks bought - Steaks used for cookout

= 5 7/8 - 2 1/16

= 47/8 - 33/16

= (94-33) / 16

= 61/16

= 3 13/16 pounds

Therefore, the pounds of steak remaining after the cookout is 3 13/16 pounds

Learn more about fraction:

brainly.com/question/1622425

3 0
2 years ago
:D hiiii im back with another most likely easy questionnnnnnnnnnnnnnnnnnnnnn
mihalych1998 [28]

Answer: The answer is 75

20/4=5

5*15=75

5 0
2 years ago
Read 2 more answers
The probability of choosing a penny from the 1980s from the bag of pennies without looking is StartFraction 3 over 40 EndFractio
BARSIC [14]

Answer:

Unlikely

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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