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Pavlova-9 [17]
3 years ago
15

What is the surface area of 4ft 17ft and 14ft

Mathematics
1 answer:
amm18123 years ago
3 0
I beat my d on the daily ayy

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The sum of three consecutive terms of an arithmetic sequence is 27, and the sum of their squares is 293. What is the absolute di
Ber [7]

The absolute difference between the greatest and the least of these three numbers in the arithmetic sequence is 10.

The sequence is an arithmetic sequence. Therefore,

d = common difference

let

a = centre term

Therefore, the 3 consecutive term will be as follows

a - d,  a, a + d

a - d +  a + a + d = 27

3a = 27

a = 27 / 3

a = 9

Therefore,

(a-d)² + (a)² + (a + d)² = 293

(a²-2ad+d²) + 9² + (a² + 2ad + d²) = 293

(81 - 18d + d²) + 81 + (81 + 18d + d²) = 293

243 + 2d² = 293

2d² = 50

d² = 50 / 2

d = √25

d = 5

common difference = 5

Therefore, the 3 numbers are as follows

9 - 5 , 9, 9 + 5 = 4, 9, 14

The difference between the greatest and the least of these 3 numbers are as follows:

14 - 4 = 10

learn more on Arithmetic progression: brainly.com/question/25749583?referrer=searchResults

7 0
2 years ago
Determine wether or not each of the following sequences is a geometric sequence check all that apply
kap26 [50]

Answer:3 & 4

Step-by-step explanation: those are the two with multiplication/division

5 0
3 years ago
Which expressions of signed decimal numbers have negative quotients? Check all that apply.
dybincka [34]
A negative number divided by positive is a negative quotient and vice versa.
So
5.7 / -2.2
-0.01 / 0.05
Are the ones with negative quotients
7 0
3 years ago
Read 2 more answers
The GCFof any two even numbers is always even determine whether the statement is true or false if true explain why if false give
Citrus2011 [14]
That's not true because the GCF of 9 and 12 are both three and three is an odd number
3 0
3 years ago
Please help me I will mark brainliest! The ratio of the number of boys to the number of girls in a school is 3:4. One-third of t
Alex17521 [72]

Answer:

a) 952

b) 136

Step-by-step explanation:

<u>Ratio of b:g = 3:4, based on this we have:</u>

  • Number of boys = 3x
  • Number of girls = 4x
  • Total number of pupils = 3x+4x = 7x

<u>Number of spectacle wearers:</u>

  • 1/3*3x + 3/8*4x = x + 3/2x = 2.5x

<u>Number of those not wearing spectacles:</u>

  • 7x - 2.5x= 4.5x

<u>And this number equals to 612, then we can find the value of x:</u>

  • 4.5 x = 612
  • x= 612/4.5
  • x= 136

a) T<u>otal number of pupils:</u>

  • 7x = 7*136 = 952

b)<u> The difference in the number of boys and girls:</u>

  • 4x-3x= x = 136
7 0
3 years ago
Read 2 more answers
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