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3 years ago

Find the value of x round to the nearest tenth the diagram is not to scale.

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

7 0

Answer:

6.6 cm

Step-by-step explanation:

The tangent function relates the 35° angle, the adjacent side 12 cm, and the unknown opposite side, x.

We can write tan 35° = opp / adj = x / (12 cm)

Multiplying both sides by 12 cm isolates (solves for) x:

(12 cm)(tan 35°) = x Note that 35° is equivalent to 0.6109 radians.

Thus, x = (12 cm)(0.5484) = 6.58 cm, or 6.6 to the nearest tenth.

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Step-by-step explanation:

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3 years ago

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What is the sum of StartRoot negative 2 EndRoot and StartRoot negative 18 EndRoot? 4 StartRoot 2 EndRoot 4 StartRoot 2 EndRoot i

erma4kov [3.2K]

Adding $\sqrt{-2}\,\,and\,\,\sqrt{-18}$ we get $4\sqrt{2i}$

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Step-by-step explanation:

We need to find the sum of: $\sqrt{-2}\,\,and\,\,\sqrt{-18}$

Finding sum:

$\sqrt{-2}+\sqrt{-18}$

$\sqrt{-2}$ can be written as $\sqrt{2}i$

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We know 18 = 2x3x3 = 2x3^2 so,

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Adding like terms:

$4\sqrt{2i}$

So, adding $\sqrt{-2}\,\,and\,\,\sqrt{-18}$ we get $4\sqrt{2i}$

Option C 4 StartRoot 2 EndRoot i is correct.

Keywords: Square root expressions

Learn more about Square root expressions at:

#learnwithBrainly

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3 years ago

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Find the value of x round to the nearest tenth the diagram is not to scale.​

Find the value of x round to the nearest tenth the diagram is not to scale.