Aden spent $10 on a mug and then sold it, making 20% profit, how much did he sell the mug for

Mathematics

1 answer:

NikAS [45]3 years ago

5 0

Answer: $2

Step-by-step explanation: 20 percent of 10 is 2

Hope I did this right

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sertanlavr [38]

Answer:

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Step-by-step explanation:

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3 years ago

What is the interest on $3,500 borrowed for two years at 2.5% interest?

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3 years ago

The longer leg of a right triangle is 6cm longer than the shorter leg and also 1cm longer than the hyptenese. find the perimeter

CaHeK987 [17]

X - a leg (x > 6);
x - 6 - a leg;
x + 1 - a hypotenuse;
Use the Pythagorean theorem
$(x+1)^2=x^2+(x-6)^2$

Use: $(a\pm b)^2=a^2\pm2ab+b^2$

$x^2+2x+1=x^2+x^2-12x+36\ \ \ |-x^2-2x-1\\\\x^2-14x+35=0\ \ \ |-35\\\\x^2-14x=-35\\\\x^2-2\cdot x\cdot7=-35\ \ \ |+7^2\\\\x^2-2\cdot x\cdot7+7^2=-35+7^2\\\\(x-7)^2=14\iff x-7=\pm\sqrt{14}\ \ \ |+7\\\\x=7-\sqrt{14} < 6;\ x=7+\sqrt{14}$

$x=7+\sqrt{14}\\x-6=1+\sqrt{14}\\x+1=8+\sqrt{14}$

The perimeter:

$7+\sqrt{14}+1+\sqrt{14}+8+\sqrt{14}=16+3\sqrt{14}$

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3 years ago

What is the surface area of the square pyramid? 3 A 2 6 square units

stich3 [128]

Answer:

≈ 16.65 un²

Step-by-step explanation:

The image shows the formula

With the given info you would get ≈ 16.65 un²