What is the answer to sqrt(v^2+49)-7=0.8(40) ?

The answer to sqrt(v^2+49)-7=0.8(40) is v=8sqrt(23),v=-8sqrt(23)

Solve for v: sqrt(v^2+49)-7=0.8(40)

The solution is v=8sqrt(23),v=-8sqrt(23)

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v^{2} + 49 - 7 = 0.8 (40)

v = 823, v = - 823

Decimal Notation

v = 38.36665 \dots, v = - 38.36665 \dots

Solution steps

v^{2} + 49 - 7 = 0.8 (40)

Multiply the numbers:

0.8 \cdot 40 = 32

v^{2} + 49 - 7 = 32

Move

7

to the right side

v^{2} + 49 = 39

Square both sides:

v^{2} + 49 = 1521

v^{2} + 49 = 1521

Solve

v^{2} + 49 = 1521 : v = 823, v = - 823

v = 823, v = - 823

Verify Solutions:

v = 823

True

, v = - 823

True

The solutions are

v = 823, v = - 823

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x + 1 + x = 5

11 x + 5 - 11 x = 1

6 v - 8 = v

k - 2 = 2 k + 3 - 2

What is the answer to sqrt(v^2+49)-7=0.8(40) ?
The answer to sqrt(v^2+49)-7=0.8(40) is v=8sqrt(23),v=-8sqrt(23)
Solve for v: sqrt(v^2+49)-7=0.8(40)
The solution is v=8sqrt(23),v=-8sqrt(23)