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aleksley [76]
2 years ago
15

Hey, can you guys please help me get the answer. And explain it to me so i know? Thank you.

Mathematics
1 answer:
cestrela7 [59]2 years ago
8 0

Step-by-step explanation:

a || b,

m+125=180° ( straight angle)

m= 180-125° =55°

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X and y are in direct proportion, when x is 8, y is 12. Which of the following is not a
Nat2105 [25]

Answer:

d.

Step-by-step explanation:

if x varies directly as y,

x = ky

8 = 12k

12k = 8

k = 8/ 12

k = 2/3,

x = 2/3 y

now substitute the value of any of the numbers of each pair, and check if it works:

for e.g, find x when y = 15

x = 2/3y

x = 2/3 × 15

x = 10

since you obtain x = 10 when y = 15, the pair is a possible corresponding value of x and y. now do the same for the rest .

ii) x = 2/3y

x = 2/3 × 3, when y = 3

x = 2

hence, this is also a possible pair of x and y values.

iii) x = 2/3y

x = 2/3 × 9 when y = 9

x = 6

again, a possible pair of x and y values.

iv) x = 2/3y

x = 2/3 × 20 when y = 20

x = 40/3

here, when y = 20, x is not 15. it is 40/3.

thus, it can be determined that this is not a possible pair of x and y values.

please try to understand and have a great day!

8 0
2 years ago
Find the value of x
Doss [256]

Answer:

x = 40

Step-by-step explanation:

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4x+20-20 = 180-20

4x= 160

Divide each side by 4

4x/4 =160/4

x = 40

8 0
3 years ago
Will drawing an angle bisector always result in two acute angles?
wel
Check the angle. If it they are  less than 90°<span> , so they  will result in acute angles. </span>
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3 years ago
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liraira [26]

Answer:

4

Step-by-step explanation:

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3 0
3 years ago
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lana66690 [7]

690

12×36 + 258 = 690 For extending to 20 characters

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2 years ago
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