JARthe1st
JARthe1st JARthe1st
  • 03-01-2018
  • Mathematics
contestada

PLEASE p-l-e-a-s-e help, there are 3 math questions, thank you!

PLEASE please help there are 3 math questions thank you class=
PLEASE please help there are 3 math questions thank you class=
PLEASE please help there are 3 math questions thank you class=

Respuesta :

serenitygy0424oz9sk0
serenitygy0424oz9sk0 serenitygy0424oz9sk0
  • 03-01-2018
You use Pythagorean theorem to solve this problem.a^2+b^2=c^2
A.53*53=45*45+28*28
2809=2025+784
2809=2809

B.85*85=13*13+84*84
7725=169+7056
7725=7725
C.85*85=36*36+77*77
7725=1296+5929
7725=7725
D.65*65=16*16+61*61
4225=256+3721
4225=3977

The answer is D
Answer Link
elizabethmende
elizabethmende elizabethmende
  • 03-01-2018
Number 15 is C.52 ft

Explanation: You have to use the pythagorean theorem to find side c which would be the diagonal fence.

a^2+b^2=c^2
20^2+48^2=c^2
400+2304=c^2
2704=c^2
√2704=√c
52=c
Answer Link

Otras preguntas

Pronoun indicates a person place thing and what else
Mandy wants to know the most popular kind of book at school
which side fired the shot heard around the world
which drugs is considered the ''date rape'' drug because of it's ability to deeply sedate it's users, making them incapable of remembering what occured after t
∆ABC is translated 2 units down and 1 unit to the left. Then it is rotated 90° clockwise about the origin to form ∆A′B′C′. The coordinates of vertex A′ of ∆A′B′
Select the correct rule when adding a suffix to the following word. continue drop the final e do not drop the final e
need help with this problem
What is the equation, in point-slope form, for a line that goes through ​(2, −6) ​ and has a slope of −34 ​ ?
What's is the answer to 6804 divided by 81?
What is the answer to 3?