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Andrei [34K]
3 years ago
13

What is the value of x in the geometric sequence x,2,-1/2,...?

Mathematics
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

x = 4 1/2

Step-by-step explanation:

To get to minus 1/2 from plus 2 you would subtract 2 1/2 from 2.

To arrive at x you would add 2 1/2 to 2.

The result is a progression of:  4 1/2, 2, - 1/2

(4 1/2 minus 2 1/2 = 2; 2 minus 2 1/2 = - 1/2)

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the formula P = 2l + 2w ives the promoter P of a rectangular room with length l and width w. A rectangular living room is 26 ft
jonny [76]

Answer:

Therefore the Perimeter of the room is 94 ft.

Step-by-step explanation:

Given:

P=2l+2w

Where ,

P = Perimeter

l = Length = 26 ft

w = Width = 21 ft

To Find:

Perimeter of the room = ?

Solution:

Perimeter of Rectangle is given as

P=2l+2w

Substituting 'l' and 'w' we get

P=2\times 26+2\times 21=52+42=94\ ft

P=94\ ft

Therefore the Perimeter of the room is 94 ft.

5 0
3 years ago
2688 divided by 96 with remainder
prohojiy [21]

Answer: OK, the answer is 28.

Step-by-step explanation: Also there is no remainder for this division problem, you could have the remainder if the numbers are not the same as a multiplication problem, so did you get it?

4 0
2 years ago
A sample of 100 independent random numbers is taken from this distribution, and its average is used to estimate the mean of the
Mariulka [41]

Answer:

The standard error in estimating the mean = (0.1 × standard deviation of the distribution)

Step-by-step explanation:

The standard error of the mean, for a sample, σₓ is related to the standard deviation, σ, through the relation

σₓ = σ/(√n)

n = sample size = 100

σₓ = σ/(√100)

σₓ = (σ/10) = 0.1σ

Hence, the standard error in estimating the mean = (0.1 × standard deviation of the distribution)

4 0
3 years ago
4x−3=16=4(x−3)=16 <br> Do they have the same solution?
AnnZ [28]

Answer:

no

Step-by-step explanation:

4x -3 = 16

x=19/4

4(x-3) = 16: Distribute the number in the parenthesis with 4 and you get:

4x-12=16

x=7

4x-12=16 is not the same as 4x-3=16

Therefore they do not have the same solution.

5 0
3 years ago
Read 2 more answers
Use the sliders to change the values of a, b, and c in the sine function. Which equation has a maximum at (negative StartFractio
marissa [1.9K]

Answer:

The answer is C on edge

y = –3 sin(2x)

4 0
3 years ago
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