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iren [92.7K]
3 years ago
8

Find the first, fourth, and eighth terms of the sequence. a(n)=-2 x 2^n-1

Mathematics
1 answer:
leonid [27]3 years ago
8 0

Answer:

2, 16 and 256.

Step-by-step explanation:

Just substitute  for n:-

first term ( when n = 1) =  2 * 2^(1-1)

= 2 * 1 =  2

4th term =  2 * 2^(4-1) =  16

8th term = 2* 2^(8-1) = 256

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Is
Harman [31]

Answer: an improper fraction

Step-by-step explanation:  An improper fraction is a fraction that is larger than 1 7/3 is larger than one because 7, the numerator is larger than the denominator so 7/3 is an improper fraction

3 0
2 years ago
12.5 percent of what number is 24
irina [24]

24 : 12.5/100 = 24 * 100/12.5 = 192;
3 0
3 years ago
What is the lower quartile for 55,55,50,52,46,38,48,51,55,56
Feliz [49]

Answer:

Step-by-step explanation:

The first or lower quartile is the median of the lower half of the data: 48

4 0
3 years ago
Elle is buying new flooring for her kitchen
const2013 [10]

Answer:

The total area of the two rooms is 188.25 square feet

Step-by-step explanation:

Given:

Area of the kitchen = 132 square feet.

Dimension of the Laundry room =  8 1/3 feet by 6 3/4 feet.

To Find:

The total area of the two rooms = ?

Solution:

Area of the two rooms   =  Area of the kitchen + Area of the laundry room

Area of the two rooms   =    132 +  Area of the laundry room

Area of the laundry room  =(8 \frac{1}{3}) \times (6 \frac{3}{4})

Area of the laundry room  =\frac{25}{3} \times \frac{27}{4}

Area of the laundry = \frac{675}{12}

Area of the two rooms   =    132 +  \frac{675}{12}

Area of the two rooms   = 132 + 56.25

Area of the two rooms   = 188.25 square feet

3 0
3 years ago
An assistant cook peeled 18 potatoes in 6 minutes. At this rate, how many potatoes can he peel in 50 minutes?
malfutka [58]

Answer:

150 potatoes

Step-by-step explanation:

Since the assistant can peel 18 potatoes in 6 minutes, we know that he can peel \frac{18}{6}=3 potatoes in 1 minute. Therefore, he will be able to peel 3*50=150 potatoes in 50 minutes. Hope this helps!

7 0
3 years ago
Read 2 more answers
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