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Gnesinka [82]
2 years ago
13

-

Mathematics
1 answer:
insens350 [35]2 years ago
5 0

Answer:

If my cousin gave me $16 ( my real cousins never did T_T) and I am left with $8 while buying a present. The present cost $8...

Wow, I thought I was bad at math

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SOLVE 6-9. State of each triangle is a right triangle
11111nata11111 [884]

To find out if a triangle is a right triangle, you can use the Pythagorean theorem(which can only be used for right triangles):

a² + b² = c² (c is the hypotenuse or the longest side) And you can plug in the side lengths into this equation. If they are the same number on both sides, it is a right triangle, if they are different numbers it is not a right triangle.


6.) a² + b² = c²

(4√3)² + (11)² = (13)²

(16(3)) + 121 = 169

48 + 121 = 169

169 = 169 It IS a right triangle


7.) a² + b² = c²

(5)² + (2√14)² = (9)²

25 + (4(14)) = 81

25 + 56 = 81

81 = 81 It IS a right triangle


8.) a² + b² = c²

(6)² + (√49)² = (√82)²

36 + 49 = 82

85 = 82 It is NOT a right triangle


9.) a² + b² = c²

(13)² + (2√39)² = (16)²

169 + (4(39)) = 256

169 + 156 = 256

325 = 256 It is NOT a right triangle

7 0
2 years ago
1500 people to part in a walkathon. 450 of them were school children. The rest are adults. What percentage of the participants w
Bas_tet [7]
70% of the people were adults 

First you subtract 1500-450 = 1050
Then you divide 1050/1500 = .7

5 0
3 years ago
Read 2 more answers
One sandwich is shared equally among eight people. How much will each person get
givi [52]

Answer:

1/8 of a sandwich

3 0
2 years ago
Read 2 more answers
How do u write 25,678 in number name
egoroff_w [7]

Answer:

twenty-five thousand, six hundred seventy-eight

Step-by-step explanation:

8 0
3 years ago
What is the ordered pair after this point is reflected across the y-axis? 4,2
Zepler [3.9K]

Answer:

-4,2

Step-by-step explanation:

a reflection across the y axis means the y values stay the same and the x values change sign

8 0
2 years ago
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