kayodedamilola916 kayodedamilola916

04-07-2020
Mathematics

contestada

if a^2+b^2+c^2=169. find a, given that b=2√2, 3√c=9.

Respuesta :

09pqr4sT 09pqr4sT

04-07-2020

Answer:

a = ±4√5

Step-by-step explanation:

Solve for c.

3√c = 9

√c = 9/3

√c = 3

c = 3²

c = 9

Put b=2√2 and c=9, solve for a.

a² + (2√2)² + 9² = 169

a² + 8 + 81 = 169

a² = 169 - 81 - 8

a² = 80

a = ±√80

a = ±4√5

Answer Link

Otras preguntas

What is the median of the data? 20, 19, 13, 23, 16, 15, 17, 17, 15, 15, 22, 19 A. 17 B. 15 C. 18 D. 16

An equilateral triangle with sides of length 6 is inscribed in a circle what Is the diameter of the circle? A. 5.2 B. 6 C. 6.9 D. 7.5

A pencil and ruler cost $1.50 together. The ruler costs $1.00 more than the pencil. How much does the pencil cost.

a raindrop falls at 200m per minute. how long will it take a raindrop to travel 6000m?

Seasonal changes bring about scenes like this one. Plant cells respond to changes in _________________ and as a result, photosynthesis slows and leaves change c

What ion is a proton also known as ??

When output increases, the PPC of the economy : a) Moves to the left b) Moves to the right c) Remains the same Indicating, A) Growth B) Decline C) No Chang

Plz help plz plz plz

During slide show mode, hitting the B key will do which of these? A. End your presentation. B. Blank the screen with black screen (or return to the slide if y

What is the interquartile range of the data? 53, 47, 60, 45, 62, 59, 65, 50, 56, 48