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DedPeter [7]
3 years ago
13

HELPPP WILL MARK BRAINLYIST IF RIGHT

Mathematics
1 answer:
Bingel [31]3 years ago
7 0

Answer:

550.92

Step-by-step explanation:

plz mark brainliest even if im wrong, i really need this, and if im wrong tell me im wrong so I cant correct it

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Please show steps it help help alot
ss7ja [257]

The Answer is in the attached file, I'm sorry if I can't write it on laptop, hope this helps man! :) and tell me if it's correct or wrong when your teacher see's it.

6 0
3 years ago
A cicular pool with a radius of 12 meter if filled with water to a depth of 3 meters. what is the weight of water in the swimmin
Tcecarenko [31]
The weight of water in swimming pool is 13305600kg
5 0
3 years ago
Sayyida has a circular garden of radius 21m. She ran round the garden twice. what distance did she cover?​
yawa3891 [41]

answer

C = 263.76 m

Step-by-step explanation:

C = 2×pi×r

C = 2×3.14×21

C = 131.88 m

For 2 rounds,

C = 131.88 x 2

C = 263.76 m

7 0
3 years ago
Solve the following quadratic equation by completing the square: x² + 12x = 15
Lerok [7]
Answer:

x = -1.14 or -13.14

Explanations:

The given equation is:

x^2+12x\text{  =  15}

Find the half of 12, and add the square to both sides of the equation.

That is add 6² to both sides

x^2+12x\text{ + 6}^{2}\text{  =  15 + 6}^{2}\begin{gathered} (x+6)^2\text{ =  15  +  3}6 \\ (x+6)^2\text{ = 51} \\  \end{gathered}

Find the square root of both sides:

\begin{gathered} \sqrt[]{(x+6)^2_{}}=\pm\sqrt[]{51} \\ \text{x  +  6  = }\pm\sqrt[]{51} \\ x\text{  =  -6  }\pm\sqrt[]{51} \\ \text{x  = }-6\pm7.14 \\ x\text{  = -6+7.14  = }1.14 \\ x\text{ = -6 - 7.14} \\ \text{x = -13.14} \end{gathered}

x = -1.14 or -13.14

3 0
1 year ago
CAN SOMEONE PLEASE EXPLAIN TO ME HOW TO WORK THIS OUT ?
Maksim231197 [3]

Answer: HI = √97

Step-by-step explanation:

7 0
3 years ago
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