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

Two charged particles are near each other – the charge magnitudes are +3 uC and +7 uC, respectively. The electrostatic force between these charges is 25 N. A

What is our main source for African history prior to European colonization in sub-Saharan West Africa?

Find domain and range of f(x) = -x2 - 4x + 2

A biased dice is rolled 100 times. The results are shown below in the table. Result 1 2 3 4 5 6 Frequency 12 29 26 9 14 10 Estimate the probability of rolling

Graph h(x) = 6|x| -4

A metal object with mass of 22.7 g is heated to 97.0 ∘C and then transferred to an insulated container containing 84.7 g of water at 20.5 ∘C. The water temperat

Which term includes the highlighting and underlining of materials in addition to being engaged with the material?.

What happened in this situation? ........................................................................................................ (Maya raises her hand)

Which part of an apple tree can make seeds?

Which hormone allows a woman to produce milk after she gives birth? 1Thyroid-stimulating hormone 2Follicle-stimulating hormone 3Luteinizing hormone 4Prolactin