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s344n2d4d5 [400]
3 years ago
6

The average attendance at school for 5 days was 264. If the attendance on the 5th day was 256, calculate the average attendance

for the first 4 day’s
Mathematics
1 answer:
Tema [17]3 years ago
5 0

Answer:

266

Step-by-step explanation:

Let the attendence of 5days be a,b,c,d,e

given,

(a+b+c+d+e)/5=264

a+b+c+d+256=264*5 [since 5th day=256]

(a+b+c+d+)/4=1(320-256)/4 [dividing both side by 4]

average attendence of 4 days =266

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Find the Perimeter of the figure below, composed of a rectangle and two semicircles.
Lynna [10]

Answer:

Perimeter of given figure = 28.56 unit (Approx.)

Step-by-step explanation:

Given:

Length of long side = 8 unit

Number of long side = 2

Diameter of semi circle = 4

Number of semicircle = 2

Find:

Perimeter of given figure

Computation:

Radius of semi circle = Diameter of semi circle / 2

Radius of semi circle = 4 / 2

Radius of semi circle = 2 units

Perimeter of given figure = 2[πr] + 2[Length of long side]

Perimeter of given figure = 2[(3.14)(2)] + 2[8]

Perimeter of given figure = 2[6.28] + 16

Perimeter of given figure = 12.56 + 16

Perimeter of given figure = 28.56 unit (Approx.)

5 0
3 years ago
Someone help. pls and ty answer only if u know the answer pls
zmey [24]

Answer:

It is not permitted the denominator to be zero as we can't divide by zero.

<u>Non- permissible values are:</u>

a)  

  • ab² = 0
  • a = 0, b = 0

b)  

  • 3n + 1 = 0
  • n = -1/3

c)  

  • 4 - a = 0
  • a = 4

d)  

  • x² - x - 12 = 0  
  • (x - 4)(x + 3) = 0
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e)  

  • 10x³ - 92x² + 18x = 0
  • 2x(5x² - 46x + 9) = 0
  • x(5x - 1)(x - 9) = 0
  • x = 0, x = 1/5, x = 9
4 0
3 years ago
The product of -3 and 6, divided by the sum of -6 and 3
arlik [135]

Answer:

its 1

Step-by-step explanation:

7 0
4 years ago
PLEASE HELP PLEASE HELP PLEASE
WARRIOR [948]

f is given as -3

-3 is greater than -4, so use the second equation 3x-5.

replace x with -3 and calculate:

3(-3) - 5 = -9 - 5 = -14


The answer is -14.

6 0
3 years ago
HELP ME PLEASEEEEEEEEEEEEEEEEEEE
vova2212 [387]

The Middle one

Step-by-step explanation:

There are 4 faces, all are triangular. 1 base and 3 lateral faces. Hope this helps!

4 0
4 years ago
Read 2 more answers
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