What is the length of the hypotenuse? If necessary, round to the nearest tenth.

Mathematics

2 answers:

worty [1.4K]3 years ago

7 0

Answer:

The length of the hypotenuse is 9.4

Step-by-step explanation:

The Pythagorean theorem states a^2 + b^2 = c^2. So, we can do8.4^2 + 4.3^2= 89.05. Take the square root of that, and you get 9.4.

soldier1979 [14.2K]3 years ago

6 0

Answer:

c = 9.4

Step-by-step explanation:

Let's find 'c' using Pythagoras theorem.

=> c² = 8.4² + 4.3²
=> c² = 70.56 + 18.49
=> c² = 89.05
=> c = √89.05
=> c = 9.437 = 9.4 (Estimated)

Hoped this helped.

$BrainiacUser1357$

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zloy xaker [14]

Answer:

$a. = -35 \\ b. = 9a + 1 \\ c. = -35$

Step-by-step explanation:

$a. \\ = > \: 7a - 1 + 2a + 2 \\ \\ = > 7( - 4) - 1 + 2( - 4) + 2 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (a = - 4) \\ \\ = > - 28 - 1 - 8 + 2 \\ \\ = > - 37 + 2 \\ \\ = > - 35 \\ \\ \\ b. \\ = > 7a - 1 + 2a + 2 \\ \\ = > 7a + 2a - 1 + 2 \\ \\ = > 9a + 1 \\ \\ \\ c. \\ = > 9a + 1 \\ \\ = > 9( - 4) + 1 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: (a = - 4) \\ \\ = > - 36 + 1 \\ \\ = > - 35$