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TEA [102]
2 years ago
8

Inverse of f(x)=1/2x^2

Mathematics
1 answer:
Lady_Fox [76]2 years ago
6 0

\frac{ \sqrt{2x} }{2x} .  - \frac{ \sqrt{ 2x} }{ 2x}
That dot is a comma.
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HELP PLEASE! I will rate 5 stars and give brainliest!!!
larisa86 [58]

Answer:

see explanation

Step-by-step explanation:

The n th term ( explicit formula ) of an arithmetic sequence is

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Given a₁₂ = - 95 and a₃₇ = - 270 , then

a₁ + 11d = - 95 → (1)

a₁ + 36d = - 270 → (2)

Subtract (1) from (2) term by term to eliminate a₁

25d = - 175 ( divide both sides by 25 )

d = - 7

Substitute d = - 7 into (1) and solve for a₁

a₁ + 11(- 7) = - 95

a₁ - 77 = - 95 ( add 77 to both sides )

a₁ = - 18 , thus

a_{n} = - 18 - 7(n - 1) = - 18 - 7n + 7 = - 7n - 11

a_{n} = - 7n - 11 ← explicit formula

--------------------------------------------------------------

The recursive formula allows a term in the sequence to be found by adding the common difference d to the previous term, thus

a_{n} = a_{n-1} - 7 with a₁ = - 18 ← recursive formula

5 0
3 years ago
Solve for u<br> 7=u/4-16
artcher [175]

Answer:

u=92

Step-by-step explanation:

Like and give 5 star rating

7 0
2 years ago
Choose the missing step in the given solution to the inequality −x − 10 &gt; 14 + 2x.
Drupady [299]

Step-by-step explanation:

-3x - 10 > 14

-3x > 24 (add 10 to both sides)

x < -8 (divide by -3, flip inequality sign)

The missing step is -3x > 24.

6 0
2 years ago
The actual length (1) of a rectangle is 122 inches. Use the scale drawing of the rectangle to find the actual width (w).
Natalija [7]

Answer:

B. 36 in.

Step-by-step explanation:

Length of the scale drawing (L) = 6.1 in.

Width of the scale drawing (W) = 1.8 in.

Actual length = 122 in.

Using the scale drawing we can apply the rules of three of proportions to find the actual width.

Thus, set the ratio of the scale drawing length to width, equal to the ratio of the actual length to width:

\frac{6.1}{1.8} = \frac{122}{x}

Cross multiply

6.1*x = 122*1.8

Divide both sides by 6.1

x = \frac{122*1.8}{6.1}

x = 36

Actual width of the rectangle = 36 in.

8 0
3 years ago
In ΔKLM, the measure of ∠M=90°, the measure of ∠L=75°, and MK = 54 feet. Find the length of LM to the nearest tenth of a foot.
Olenka [21]

Answer:

14.5 feet

Step-by-step explanation:

7 0
3 years ago
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