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Andre45 [30]
3 years ago
12

This section of guttering can hold up to 20 litres of rainwater. work out the length of guttering in meters. The diameter is 11.

5 ? Please help!
Mathematics
1 answer:
frez [133]3 years ago
3 0
Well the answer would be the radius which is half the diamiter times pie and when you do that you get your full answer anything else you need help with 
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Pleas help me sovle this
frozen [14]
What exactly are we solving?? the rest of the angles or the perimeter?
4 0
2 years ago
Which equation is true?
ch4aika [34]

Answer : 9x^2 - 25 = (3x - 5)(3x + 5)

(1) 9x^2 - 25 = (3x - 5)(3x - 5)

Use FOIL method to mulitply (3x – 5)(3x – 5)

(3x - 5)(3x - 5)  = 9x^2 - 30x + 25

(2) 9x^2 - 25 = (3x - 5)(3x + 5)

Use FOIL method to mulitply (3x - 5)(3x + 5)

(3x - 5)(3x - 5)  = 9x^2 - 15x + 15x - 25 = 9x^2 - 25

(3) 9x^2 - 25 = -(3x + 5)(3x + 5)

Use FOIL method to mulitply -(3x + 5)(3x + 5)

-(3x + 5)(3x + 5)  = -(9x^2 + 30x + 25) = -9x^2 -30x -25

(4) 9x^2 - 25 = -(3x + 5)(3x - 5)

Use FOIL method to mulitply -(3x + 5)(3x - 5)

-(3x + 5)(3x - 5)  = -(9x^2 - 25) = -9x^2 + 25

So equation 2 is true

6 0
3 years ago
Read 2 more answers
Can someone help me please!!
Kisachek [45]

9514 1404 393

Answer:

  AE = CE = 23; BE = DE = 20

Step-by-step explanation:

Put the values of the variables in their place and do the arithmetic.

  AE = 2u+5 = 2(9) +5 = 23

  BE = 6v-1 = 6(3.5) -1 = 20

  CE = 3u-4 = 3(9) -4 = 23

  DE = 8v-8 = 8(3.5) -8 = 20

The diagonals cross at their midpoints, so the quadrilateral is a parallelogram.

6 0
2 years ago
Please help<br><br> y = -2/3
Arisa [49]

Answer: straight line across on the y axis on -2/3

Step-by-step explanation:


6 0
2 years ago
Hans deposits $300 into an account that pays simple interest at a rate of 2% per year. How much interest will he be paid in the
blagie [28]
300 x 0.02 x 5 = 30
answer
<span> interest will $30 in the first 5 years</span>
5 0
3 years ago
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