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3 years ago

5

What is the value of x in this triangle?

2 answers:

JulsSmile [24]3 years ago

8 0

Answer:

$x=58.85\°$

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle

The function cosine of angle x is equal to the adjacent side angle x divided by the hypotenuse

$cos(x)=\frac{15}{29}$

$x=arccos(\frac{15}{29})=58.85\°$

Aleks04 [339]3 years ago

4 0

<em>A right triangle. The perpendicular is labeled as 15. The hypotenuse is labeled as 29. The angle made between base and perpendicular is labeled as right angle. The angle made between perpendicular and hypotenuse is labeled as x.</em>

<em>What is the value of x in this triangle? </em>

Answer:

x =58.85°

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If y is proportional to the sqaure root of x and y equal x when x equal 5,evaluate y when x eqaul 9.

Law Incorporation [45]

Answer:

$y = 3\, \sqrt{5}$ when $x = 9$ .

Step-by-step explanation:

The question states that $y$ is proportional to $\sqrt{x}$ . In other words, there is a constant $a$ ( $a \ne 0$ ) such that $y = a\, \sqrt{x}$ for all $x \ge 0$ .

The question also states that $y = x$ when $x = 5$ . Make use of this equality to find the value of $a$ .

Since $x = 5$ and $y = x$ , it must be true that $y = 5$ . Substitute $x = 5\!$ and $y = 5\!$ into the equation $y = a\, \sqrt{x}$ and solve for $a$ :

$5 = a\, \sqrt{5}$ .

$\begin{aligned}a &= \frac{5}{\sqrt{5}} \\ &= \sqrt{5}\end{aligned}$ .

Thus, $y = \sqrt{5}\, (\sqrt{x})$ for all $x \ge 0$ .

Substitute in the value $x = 9$ to find the corresponding value of $y$ :

$\begin{aligned} y &= \sqrt{5} \, (\sqrt{9}) \\ &= \sqrt{5} \times 3 \\ &= 3\, \sqrt{5}\end{aligned}$ .

6 0

3 years ago

Estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the population of this area was

Natasha2012 [34]

Answer:

$X=\$1.64*10^9$

Step-by-step explanation:

From the question we are told that:

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Rate of annual income increase $\frac{dI}{dt}=\$1300$

Generally the equation for Total Income is mathematically given by

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$X=918000*1400+(9200*30593)$

$X=\$1.64*10^9$

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Step-by-step explanation:

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igomit [66]

I would make the equation have both of your variables on the same side:

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Read 2 more answers

Drag and drop question I need help on ASAP

klasskru [66]

[] Similar

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[] SSS

-> ... by the SSS similarity theorem, the sides are...

[] Proportional

-> ... the sides are proportional.

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Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather

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3 years ago