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3 years ago

I NEED HELP ! ill mark brainlist

Mathematics

1 answer:

Naya [18.7K]3 years ago

8 0

Answer:(x + 3)(x + 3)

Step-by-step explanation:

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The answer is
y= - x-9/3 I believe.
1- Subtract 9 from both sides.
-3y = x - 9
2- Divide both sides by -3
y = - x-9/3

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Enter the correct answer in the box. Write the sum of √28x^6 + 4√7x^6 in simplest form, if x ≠ 0.

kap26 [50]

Answer:

21.97025026/250

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3 years ago

Which relation is a function?

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A person is standing 50 ft from a statue. The person looks up at an angle of elevation of

Alekssandra [29.7K]

Answer:

The height of the statue is <u>21.4 feet.</u>

Step-by-step explanation:

Given:

Distance of the person from the statue = 50 ft

Angle of elevation of the top of statue = 16°

Angle of depression of the bottom of statue = 8°

The diagram is drawn below.

In triangle ABC:

BC = 50 ft, ∠ABC = 16°

Using trigonometric formula;

$\tan(16)=\frac{y}{50}$

$y=50\tan(16)$

$y=14.337\ ft$

Now, let us determine the height of man, 'x'.

Consider triangle BDE.

ED = 50 ft, ∠BDE = 8°

Using trigonometric formula;

$\tan(8)=\frac{x}{50}\\\\x=50\tan(8)\\\\x=7.027\ ft$

Now, from the diagram, it is clear that, height of statue is given as:

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3 years ago

How do I find the answer to 10.3 = 0.6y? Having trouble with my math.

Nuetrik [128]

we are given

$10.3 = 0.6y$

for finding y , we can isolate y

so, we can divide both sides by 0.6

$\frac{10.3}{0.6} =\frac{0.6y}{0.6}$

$y=\frac{10.3}{0.6}$

$y=\frac{103}{6}$ .............Answer

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3 years ago

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