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natka813 [3]
3 years ago
8

A square + b square + c square equal to ab+ba+ca show that ​

Mathematics
1 answer:
Evgen [1.6K]3 years ago
5 0

Answer:

a² + b² + c² ≠ ab + bc + ca

<h3><u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u><u>.</u></h3>
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100 envelopes cost you .70 what would 250 envelopes cost you
kobusy [5.1K]
250/100 = 2.5
2.5*7 = 1.75
$1.75

Hope this helped!
8 0
4 years ago
Read 2 more answers
A rope is 250 centimeters long. You need the rope to be 1 1/2 meters long. How many centimeters should you cut off?
Drupady [299]
If you would like to know how many centimeters should you cut off, you can calculate this using the following steps:

1 1/2 meters = 3/2 meters = 1.5 meters = 150 centimeters

250 centimeters - 1 1/2 meters = 250 centimeters - 150 centimeters = 100 centimeters = 1 meter

The correct result would be 100 centimeters. 
6 0
3 years ago
Please help me don't understand :(
qaws [65]

Answer:

I think it's the last one. Sorry if I'm wrong

8 0
3 years ago
PLEASE HELP WILL GIVE FULL PONITS! 3. Using the known angle, what side is known? What side is unknown? Use opposite, adjacent, o
Artyom0805 [142]

Answer:

The trigonometric ratio that I would use to find the distance from the base of the tower to the keys is the tangent; tan (86°) = height / distance.

Step-by-step explanation:

You can draw a right triangle with angle 86°, opposite leg equal to the height (50 meter) and adjacent leg equal to the distance from the base of the tower to the keys: tan (86°) = 50 m / x

=> x = 50 m / tan(86°)

x = 50 m / 14.30 = 0.98 m

4 0
3 years ago
Running from the top of a flagpole to a hook in the ground there is a rope that is 10 meters
zimovet [89]

Answer:

16 meters basic math

Step-by-step explanation:

5 0
3 years ago
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