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Sphinxa [80]
3 years ago
7

How many triangles can be constructed using angle measurements ​ 81°,52°,47° ​? exactly one triangle

Mathematics
2 answers:
Natali [406]3 years ago
7 0
More than one triangle is the correct answer

MrMuchimi3 years ago
4 0
More than one triangle because it has to measure up to 180° 

81 + 52 + 47 = 180

(Example) If you had a triangle that has the measurements 123 and 60 it would add up to be 183 so it would not be possible because the sum of all triangles cannot exceed 180°

Brainiest please I need it to level up
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Answer:

4 cookies

Step-by-step explanation:

Let the number of cookies he sold be c and that of brownies be b.

Assuming that brownies and cookies are the only type of baked goods sold,

b +c= 10 -----(1)

Amount of money received= $20

b(cost of brownie) +c(cost of cookie)= $20

2.50b +1.25c= 20 -----(2)

From (1): b= 10 -c -----(3)

Substitute (3) into (2):

2.50(10 -c) +1.25c= 20

Expand:

2.50(10) +2.50(-c) +1.25c= 20

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Being constants to 1 side:

-1.25c= 20 -25

-1.25c= -5

c= -5 ÷(-1.25)

c= 4

Thus, Joe sold 4 cookies.

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2 years ago
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Step-by-step explanation:

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