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wolverine [178]
3 years ago
10

Help 9 and 10 please help me until Friday

Mathematics
2 answers:
Inessa [10]3 years ago
8 0

5-1 x 20=56/56 x 90/56  54/67=67




solmaris [256]3 years ago
7 0

Area 1: 1/2 (6×4)

Area 2: 8×5

Area 3: 8×5

1st one add with the second and the last ans multiply it with it

Im not sure if this is correct cuz its been like a century since i dont do this

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Does a=2.1 b=7.2 c=7.5 form a right triangle
Anna007 [38]

Answer:

Yes

Step-by-step explanation:

If the longest side squared is equal to the sum of the squares on the other 2 sides then they form a right triangle

longest side = 7.5

7.5² = 56.25

2.1² + 7.2² = 4.41 + 51.84 = 56.25

Thus the 3 values form a right triangle.

6 0
3 years ago
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X = 11 when y = 99. If y varies directly as x, find x when y = 144
goldenfox [79]

Answer:

99 is 9 times 11 144 divide by 9 is 16

4 0
2 years ago
Which set of numbers could represent the lengths of the sides of a right triangle?
vitfil [10]

in this problem what you are really looking for is which of these sets is a pathagorean triple. That means it will solve the pathagorean theorem. (a sqaured + b squared = c squared) c is always going to be the largest number or the hypotenuse. if you plug all the number sets into the theorem, only one works and that is 7, 24, 25 which is your answer.

4 0
3 years ago
Please someone help me
irina1246 [14]
The area of the triangle extension is 12, because the total side length it is on is 18, and the segments to the sides of the triangle are 6 each, meaning 18-12=6, the height of the triangle. The base is given as 4, so 1/2(4x6)=24/2=12.

Add this to the area of the rectangle, 9x18=162, and 162+12=174.

The area is 174.
7 0
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Hello I need help with this someone please get back too me (I’ll give you 50 points) the problem says Estimate. Then Measure eac
andreyandreev [35.5K]

Answer:

The crayon is about 3 times longer than the paper clip.

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