3 years ago

Choose an appropriate metric unit for the thickness of the lead of a pencil.

Mathematics

2 answers:

Salsk061 [2.6K]3 years ago

3 0

The answer is millimetre

bogdanovich [222]3 years ago

3 0

Answer: Millimeter

Step-by-step explanation:

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A motorboat takes five hours to travel two hundred miles going upstream. The return trip takes four hours going down stream. Wha

Yuri [45]

Answer: $45\ mph$ , $5\ mph$

Step-by-step explanation:

Given

A motorboat takes 5 hours to travel 200 miles upstream and 4 hours to go downstream

Suppose the speed of motorboat in still water and rate of current be x and y respectively.

during upstream

$\Rightarrow 5=\dfrac{200}{x-y}\\\\\Rightarrow x-y=40\quad \ldots(i)$

During downstream

$\Rightarrow 4=\dfrac{200}{x+y}\\\\\Rightarrow x+y=50\quad \ldots(ii)$

Add (i) and (ii) we get

$\Rightarrow 2x=90\\\Rightarrow x=45\ mph$

$\therefore y=5\ mph$

Thus, the speed of boat in still water is $45\ mph$ and rate of current is $5\ mph$

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2 years ago

ms Cruz fifth grade class is casting for school play. Erin, Claire, and Hazel are all up for the lead role in play. Juanita, Mic

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\--Andrea
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2 years ago

The value of 2 in 2784 is Times the value of 2 in 7283

Vinvika [58]

Ten times the value of 2 in 7283

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2 years ago

if there both consecutive doesn't that mean that there both -9 so how is one bigger an one smaller....

MrRissso [65]

Answer:

-14

Step-by-step explanation:

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2 years ago

Convert.<br> {} {}<br> minutes ==equals 888 hours 373737 minutes

soldi70 [24.7K]

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Answer:

517 minutes

Step-by-step explanation:

There are 60 minutes in an hour, so 8×60 = 480 minutes in 8 hours.

In 8 hours 37 minutes, there are ...

480 min + 37 min = 517 minutes

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2 years ago