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3 years ago

n a car factory, 6 machines can make 6 wheels in 6 minutes. How long will it take 30 machines to make 30 wheels?

Mathematics

1 answer:

vitfil [10]3 years ago

3 0

Answer:

If 6 machines make 6 wheels in 6 minutes, that means each of the machines must make 1 wheel in 6 minutes. If you now consider 30 machines, and we know each of these 30 machines makes 1 wheel in 6 minutes, that means all 30 machines will make 30 wheels in 6 minutes.

Step-by-step explanation:

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What is the number of possible outcomes if three quarters are tossed and the total numbers of heads and tails are counted? A) 2

Gre4nikov [31]

Answer:

D). 8.

Step-by-step explanation:

Each quarter will come up heads or tails - that is 2 possibilities.

So for 3 tosses the number of outcomes is 2*2*2 = 8.

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If average of m numbers is n^2 and average of n numbers is m^2 then average of m+n numbers is

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The sum of the m numbers divided by m (which is the average) equals n^2. Then, the sum of the m numbers equals mn^2.
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4 years ago

Jeremys father is 11 less than jermeys age squared.if Jeremy’s father is 53, how many years older is Jeremy’s father than Jeremy

postnew [5]

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Step-by-step explanation:

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3 years ago

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The box which measures 70cm X 36cm X 12cm is to be covered by a canvas. How many meters of canvas of width 80cm would be require

grigory [225]

Answer:

142.2 meters.

Step-by-step explanation:

We have been given that a box measures 70 cm X 36 cm X 12 cm is to be covered by a canvas.

Let us find total surface area of box using surface area formula of cuboid.

$\text{Total surface area of cuboid}=2(lb+bh+hl)$ , where,

$l$ = Length of cuboid,

$b$ = Breadth of cuboid,

$w$ = Width of cuboid.

$\text{Total surface area of box}=2(70\cdot36+36\cdot 12+12\cdot 70)$

$\text{Total surface area of box}=2(2520+432+840)$

$\text{Total surface area of box}=2(3792)$

$\text{Total surface area of box}=7584$

Therefore, the total surface area of box will be 7584 square cm.

To find the length of canvas that will cover 150 boxes, we will divide total surface area of 150 such boxes by width of canvass as total surface area of canvas will also be the same.

$\text{Width of canvas* Length of canvass}=\text{Total surface area of 150 boxes}$