Kyshee1 Kyshee1
  • 11-03-2018
  • Mathematics
contestada


If x2 - 4 = 45, then x could be equal to

Respuesta :

Brainliac
Brainliac Brainliac
  • 11-03-2018
x could be equal to 24.5
Answer Link
nilbert
nilbert nilbert
  • 11-03-2018
Hi there!

To find x, we need to simplify. 

x^2 -4 = 45
x^2 = 49
sqrt(49) = 7

So, x = 7. 

Hope this helps!
Answer Link

Otras preguntas

What is the probability of hitting the centre if a dart is thrown four times
Please help I’m marking the brianliest answer please
Matt and Anna Killian are frequent flors on Fast-n-Go Airlines, They often fly between two cities that are a distance of 800 miles apart. On one particular trip
Angles A and B are complementary. If cos A = 7x − 9 and sin B = 4x + 15, what is the value of x? Group of answer choices 47 21 8 2
The spread of the impulse through the ventricles (ventricular depolarization) is depicted on the ECG as the:
Describe in your own words a situation where chemical energy is transformed to potential energy. ANSWER NOW 80 POINTS
What is the area of triangle ABD? 7 cm 2 4.5 cm 2 3.5 cm 2 6 cm 2
help plsssssssssssssss
*will mark brainliest* Little Tommie sees two triangles on his test. He is asked if the two triangles are similar by SAS similarity. His response is "Yes!" Is L
give two examples of tissues found in plants​