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3 years ago

My last points then I'm at zero hope you guys enjoy it and Have a good day merry Christmas

Mathematics

2 answers:

lapo4ka [179]3 years ago

6 0

Answer:

ty you 2

Step-by-step explanation:

hjlf3 years ago

5 0

Answer: (400 • 600) + 40 = 240,040

Step-by-step explanation:

Remember: PEMDAS = Parentheses, Exponents, Multiply, Divide, Add, & Subtract (always goes in this order)

(400 • 600) + 40 = ← Given expression

240,000 + 40 =

↑

What happens when you solve what's in the parentheses.

240,040 ← What happens after you add the numbers.

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3 years ago

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Orlov [11]

Answer: $1,475.8mm^{2}$

Step-by-step explanation:

1. If you join the top part and the bottom part of the figure, you obtain a sphere. Then, you must apply the formula for calculate the surface area of a sphere:

$SA_s=4r^{2}(3.14)$

Where r is the radius ( $r=\frac{10mm}{2}=5mm$ )

2. Then:

$SA_s=4(5mm)^{2}(3.14)=314mm^{2}$

3. The formula for calculate the suface area of the red part, which is a cylinder, is:

$SA_c=2(3.14)(r)(h)$

Where h is the height (h=32mm)

4. Then:

$SA_c=2(3.14)(5mm)(32mm)=1,004.8mm^{2}$

5. So, the total surface area is:

$SA_t=314mm^{2}+1,004.8mm^{2}=1,318.8mm^{2}$

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3 years ago

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Drupady [299]

Answer:

Step-by-step explanation:

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explain- i got it right

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