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Artyom0805 [142]
3 years ago
14

What is the solution to 2 In x = 4 In 2?

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer:

= 8 in.

Step-by-step explanation:

2in× = 4in²

2in× = 16in

divide both sides by 2.

= 8 in.

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What is the answer to this?
Dmitriy789 [7]

Answer:

4th option

Step-by-step explanation:

-2a^2-a

3 0
3 years ago
How do you do both parts?
AnnZ [28]

Step-by-step explanation:

f(x) = 1 / (5 + x)

Divide top and bottom by 5.

f(x) = ⅕ / (1 + ⅕x)

f(x) = ⅕ / (1 − (-⅕x))

Write as a geometric series.

f(x) = ∑ₙ₌₀°° ⅕ (-⅕x)ⁿ

f(x) = ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ xⁿ

f(x) = ∑ₙ₌₀°° (-1)ⁿ (⅕)ⁿ⁺¹ xⁿ

Use ratio test:

lim(n→∞)│aₙ₊₁ / aₙ│< 1

lim(n→∞)│[(-1)ⁿ⁺¹ (⅕)ⁿ⁺² xⁿ⁺¹] / [(-1)ⁿ (⅕)ⁿ⁺¹ xⁿ]│< 1

lim(n→∞)│-1 (⅕) x│< 1

│x/5│< 1

│x│< 5

-5 < x < 5

If x = -5, ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ (-5)ⁿ = ∑ₙ₌₀°° ⅕ (1)ⁿ, which diverges.

If x = 5, ∑ₙ₌₀°° ⅕ (-1)ⁿ (⅕)ⁿ (5)ⁿ = ∑ₙ₌₀°° ⅕ (-1)ⁿ, which diverges.

The interval of convergence is therefore (-5, 5).

4 0
3 years ago
The short sides of a rectangle are 2 inches. The long sides of the same rectangle are three less than an unknown number of inche
Marat540 [252]

So remember that area of a rectangle is a = bh. In this case, our sides are 2 and n - 3 (three less than unknown number) and our area is 22. Using our info, we can form the equation: 22=2(n-3) . From here we can solve for n.

Firstly, foil 2(n-3): 22=2n-6

Next, add 6 on both sides of the equation: 28=2n

Next, divide both sides of the equation and your answer will be 14 = n. In context, the value of the unknown number is 14 in.

8 0
4 years ago
Read 2 more answers
Hi guys! I have another question... Can you help? Will give 15 pts 2 screenshots below same problem. 1 of them is the problem an
poizon [28]

Answer:

It is SSS

You already have the two sides, and you can see the two triangles share a common line. Therefore you know the unknown is a side.

7 0
2 years ago
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hammer [34]

Answer:

b

Step-by-step explanation:

tan equal to (opposite side) /(adjacent side)

am not able to write root 3 on phone but its something like this

(a¤3)/a

in which¤3 is root 3

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