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3 years ago

Solve 5x+ c = k for x.

Mathematics

2 answers:

Mkey [24]3 years ago

4 0

Step-by-step explanation:

5x + c = k ( take "c" over to the otherside )

5x = k - c ( divide by 5 on both sides, to get rid of the 5 in 5x)

k - c

x = ----------

den301095 [7]3 years ago

3 0

Answer:

x = (k-c)/5

Step-by-step explanation:

5x+ c = k

Subtract c from each side

5x+ c-c = k-c

5x = k-c

Divide each side by 5

5x/5 = (k-c)/5

x = (k-c)/5

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<u>Explanation:</u>

The figure is attached for the reference.

tan (71) = $\frac{y}{x}$

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So,

tan(36) (36 + x) = y

tan(71) = $\frac{tan (36) (36 + x )}{x}$

$2.9 = \frac{0.73 (36 + x)}{x} \\\\2.9 x = 26.28 + 0.73x\\\\2.17x = 26.28\\\\x = 12.11 ft$

Substituting x = 12.11 ft in equation 1:

$tan (71) = \frac{y}{12.11} \\\\2.9 X 12.11 = y\\\\y = 35.119 ft$

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So,

$z = \sqrt{(12.11)^2 + (35.119)^2} \\\\z = \sqrt{146.6521 + 1233.3442} \\\\z = 37.15 ft$

Therefore, the length of the wire is 37.15 ft

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Step-by-step explanation:

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