3 years ago

Are 7 and 8 right. Plz help

Mathematics

2 answers:

Elodia [21]3 years ago

7 0

7 is wrong, the parenthesis would be around the 1+2, and number 8 is right

Hope this helped:)

MAXImum [283]3 years ago

4 0

8 is right but 7 is wrong. The correct answer for 7 is 15÷(1+2)=5

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2 years ago

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Find Radius :
-----------------------------------------------------------
$\text {Volume of a sphere =} \dfrac{4}{3} \pi r^3$

$\dfrac{4}{3} \pi r^3 = 140$

$\pi r^3 = 140 \times \dfrac{3}{4}$

$\pi r^3 = 105$

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Find volume of the cylinder :
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$\text {Volume of the cylinder = } \pi r^2h$

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Find volume of the gap :
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$\text {Volume of gap = } 209.77 - 140$

$\text {Volume of gap = } 69.77 \ cm^3$

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$\bf \text {Answer : } 69.77 \cm^3$
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6 0

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12.917 rounded to the nearest ones

adelina 88 [10]

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3 years ago

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