janajjsja janajjsja
  • 01-07-2020
  • Mathematics
contestada

12
The value of x must be greater than

a .0
B.1
C.3
D.7

12 The value of x must be greater than a 0 B1 C3 D7 class=

Respuesta :

abdulem
abdulem abdulem
  • 01-07-2020

Answer:

must be greater than 7

Step-by-step explanation:

using pythagoras theorem

a^2=b^2-c^2

x^2=15^2-12^2

x^2=225-144

x^2=81

take square root both sides

√x^2=√81

x=9

and 9 is greater than 7

Answer Link

Otras preguntas

A certain test is worth 155 points. How many points (rounded to the nearest point) are needed to obtain a score of 65%?
Determine the half-life of potassium if in 3460 years a 200 g sample decayed into 25 g
copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent
why is red onions purple
In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos
An oscillator makes four vibrations in one second. What is its period and frequency?
What are enzymes also known as? What do enzymes do to biological reactions? What do we call the special shape on an enzyme molecule? What are enzymes made of? W
true or false? Three common voltage sources are batteries, solar cells, and generators.
find the difference: 7 7/8 - 3 1/4
what percentage of 1457 is 898?