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inessss [21]
2 years ago
7

Help please, help please

Mathematics
1 answer:
coldgirl [10]2 years ago
6 0

Answer:

i think the perimeter is 60

Step-by-step explanation:

9²+12² = x²

15 = x

perimeter = 15×4 = 60

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SHOW YOUR WORK
VashaNatasha [74]
As we know that the sum of two sides of a triangle is greater than the third side ...

Option A is correct because 4+5=9>8

Option B is correct because 9+12=21>15

Option C is correct because 12+5=17>13

Hope it helps.....
6 0
3 years ago
Read 2 more answers
2.4/1.8=7.2/k <br> What does K equal
Furkat [3]

Answer:

k = 5.4

Step-by-step explanation:

I cross-multiplied then divided 12.96 by 2.4.

Can I get brainliest

7 0
3 years ago
What is the square root of 2943.0625?
Tju [1.3M]
The square root is 54.25
7 0
3 years ago
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Put 0.4 repeating into a fraction​
aliina [53]

Answer:

2/5=0.4=40%

Step-by-step explanation:

because if you divide 2/5 you'll get 0.4.  if you want to put that in a percent you'll multiply 0.4 and 100 and you should get 40%.

<em>HOPE THIS HELPS </em>

<em>yo girl trin.</em>

3 0
3 years ago
Multiply(4×10^4)(3.63×10^-4) in scientifc notation
soldier1979 [14.2K]
Rewrite 
(4)(3.63) * (10^4)(10^-4)
multiply
14.52 * (10^4)(10^-4)
multiplication of the coefficient is the addition of the exponent
so 4 -4 is 0 

14.52

Hope this helps :)
5 0
4 years ago
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