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mina [271]
2 years ago
12

What’s the perimeter?

Mathematics
2 answers:
uysha [10]2 years ago
7 0

Answer:

answer 60,40 i think

Step-by-step explanation:

the perimiter is the outside of an object, when finding the perimiter you add the suroundding together, when it comes to area you multiply

alexira [117]2 years ago
7 0

192inches^2

Step-by-step explanation:

its b(h)/2 and its b=16 and h=12 then divide by two to find the area, that's one half of the shape so multiply it by 2

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hoa [83]

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Step-by-step explanation: I’m pretty sure it’s A!
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7 0
2 years ago
a swimming pool 25m by 10m has a concrete border all round. Find the area of the concrete border if it is 2.5m wide at the sides
Ksju [112]
So from what I understand, you would multiply 10m by 5m for the width to get 50m squared, and multiply the 50 by 2 to get 100m for both sides of the width for the pool. Next the length. Multiply 25m by 2.5m to get 62.5m squared. Once again, mutiply it by 2 for both side lengths of the pool to get 125m. Last, add 125m and 100m to get 225m for the concrete border of the pool.
7 0
3 years ago
Solve the equation: <br><br> 9 (x − 9)−3 = −4 (2x + 4)<br><br> 4<br><br> -4<br><br> 100<br><br> 68
Nina [5.8K]

Answer:


Step-by-step explanation:

Applying BODMAS here;

We first solve what is in the brackets:

9x - 81 -3 = -8x - 16

We then put the like terms together:

9x + 8x = -16 + 81 + 3

We then do the addition:

17x = -16 + 84

We then do the subtraction:

17x = 68

Simplifying this gives:

x = \frac{68}{17} = 4

8 0
3 years ago
I need help with this question please?!!!
scoundrel [369]
The answer is -1 because it is subtracting by -2
8 0
3 years ago
Read 2 more answers
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