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Andrei [34K]
4 years ago
7

Pls I need help this

Mathematics
1 answer:
Citrus2011 [14]4 years ago
6 0

Answer:

the third side is 4.

Step-by-step explanation:

Using  Pythagorean theorem of a^2 + b^2 = c^2 for right triangles, substitute

the numbers to show (\sqrt{65})^{2} + b^{2} = 9^{2} and solve for b. The square root and square cancel each other out, so you get 65 + b^{2} = 81.

Subtract 65 from both sides to get b^{2} = 16.

Then take the square root of both sides to get b = \sqrt{16} which equals 4.

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Which of the following sets of measurements can form exactly 1 triangle..1)a=12,b=27, A=37 degrees..2)a=11,b=15,A=36 degrees.3)a
zhuklara [117]

Answer:

1

Step-by-step explanation:

you grab to different angles and add them up, they have to be greater than the last angle. you must check all different combinations

3 0
3 years ago
2. A cube-shaped aquarium has edges that are 3 ft long. The aquarium is filled with water that has a density of 62 lb/ft^3
Ad libitum [116K]
Total mass of the filled aquarium  = 3*3 * 62 =  1674 pounds
As the table can only support  200 lbs the aquarium should not be put on the table.

(b) No   the deisity of the water is a constant 
3 0
4 years ago
Read 2 more answers
You sell lemonade for $2 per cup and orange juice got $3 per cup. You sell a total of 100 cups for $240. How cups of lemonade an
Andrei [34K]

Answer:

240

Step-by-step explanation:

lets see

if we sell 100 cups of lemonade that would make 200 dollars NOT ENOUGH

if we sell 100 cups of orange juice that would make 300 TOO MUCH

meaning we have the find the right one

lets say if we sell 80 lemonade cups we would make 160 then have 20 orange juice which would make 60 and 160+60= 220 so not enough either

this means we can't have as much lemonade

lets try 75 cups of lemonade

lets say if we sell 50 lemonade cups we would make 100 then have 50 orange juice which would make 150 and 150+100= 250 so too much

lets try 55 cups of lemonade

lets say if we sell 55 lemonade cups we would make 110 then have 45 orange juice which would make 135 and 110+135= 145

sooo close

try 60

60*2-120 40*3-120

120*120= 240

7 0
4 years ago
Read 2 more answers
Activity
alina1380 [7]

Answer:

Step-by-step explanation:

a=2d+3

b=3d-12

c=a+b so

c=2d+3+3d-12

c=5d-9

4 0
4 years ago
Read 2 more answers
Equivalent problem please help
Airida [17]
What’s the problem doggggggggggg
8 0
3 years ago
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