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RideAnS [48]
3 years ago
9

The areas of two square fields are respectively 256 and 625 sq.m. find the ratio of their sides

Mathematics
1 answer:
Arlecino [84]3 years ago
4 0
We know that
area of the square=b²-------> b=√area
where
b is the side length of the square

for the smaller square
area=256 m²
b=√256-------> b=16 m

for the larger square
area=625 m²
b=√625-----> b=25 m

<span>the ratio of their sides is 16/25</span>

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X/3 + 5 = 6.8<br><br> The x/3 is a fraction! please I need an answer!!!
Naya [18.7K]

Answer:

x=5.4

Step-by-step explanation:

x/3+5=6.8

     -5  -5

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x/3= 1.8

 *3

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x= 5.4

7 0
3 years ago
You spin the spinner, flip a coin, then spin the spinner again. Find the probability of the compound event. Write your answer as
Paraphin [41]

Answer:

The probability of not spinning a 5, flipping heads, then spinning a 1 is 0.08

Step-by-step explanation:

I may assume the spin contains 5 numbers ( plz change and recalculate if the no. of numbers is different)

P(not spinning a 5) = 4/5

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P(not spinning a 5, flipping heads, then spinning a 1)= 4/5   *    1/2   *   1/5 = 0.08 = 0.1

5 0
3 years ago
14 = 6x4+b <br><br> I WILL MARK BRAINLYIEST FOR 1ST PERSON
Ira Lisetskai [31]
14 = 6x4 + b
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7 0
1 year ago
1/9(-9x+18)-1/5(10+15x)
garri49 [273]

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-4x

Step-by-step explanation:

5 0
3 years ago
Show the work please
Kay [80]

Answer:

1) (x + 3)(3x + 2)

2) x= +/-root6 - 1 by 5

Step-by-step explanation:

3x^2 + 11x + 6 = 0 (mid-term break)

using mid-term break

3x^2 + 9x + 2x + 6 = 0

factor out 3x from first pair and +2 from the second pair

3x(x + 3) + 2(x + 3)

factor out x+3

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5x^2 + 2x = 1 (completing squares)

rearrange the equation

5x^2 + 2x - 1 = 0

divide both sides by 5 to cancel out the 5 of first term

5x^2/5 + 2x/5 - 1/5 = 0/5

x^2 + 2x/5 - 1/5 = 0

rearranging the equation to gain a+b=c form

x^2 + 2x/5 = 1/5

adding (1/5)^2 on both sides

x^2 + 2x/5 + (1/5)^2 = 1/5 + (1/5)^2

(x + 1/5)^2 = 1/5 + 1/25

(x + 1/5)^2 = 5 + 1 by 25

(x + 1/5)^2 = 6/25

taking square root on both sides

root(x + 1/5)^2 = +/- root(6/25)

x + 1/5 = +/- root6 /5

shifting 1/5 on the other side

x = +/- root6 /5 - 1/5

x = +/- root6 - 1 by 5

x = + root6 - 1 by 5 or x= - root6 - 1 by 5

4 0
3 years ago
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