3 years ago

I really need help with this:)

Mathematics

2 answers:

LiRa [457]3 years ago

8 0

Answer:

Step-by-step explanation:

The answer is B, because the second scale is half that of the first, so if you half the length and width you get 4.5 and 2.5

PilotLPTM [1.2K]3 years ago

4 0

Answer:

I think it is b because dimension are measurable extent

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adelina 88 [10]

Answer:

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Step-by-step explanation:

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3 years ago

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3 years ago

A catapult launches a boulder with an upward velocity of 120 ft/s. The height of the boulder, h,

Vlad1618 [11]

Answer:

Reaches a maximum height of 235.00 feet in 3.75 seconds.

Step-by-step explanation:

The height of the boulder, h, in feet after t seconds is given by the function is given by :

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For maximum height, put $\dfrac{dh}{dt}=0$

i.e.

$\dfrac{d(-16t^2+120t+10)}{dt}=0\\\\-32t+120=0\\\\32t=120\\\\t=3.75\ s$

Put t = 3.75 in equation (1). So,

$h=-16(3.75)^2+120(3.75)+10\\\\h=235\ \text{feet}$

So, the boulder's maximum height is 235 feets and it takes 3.75 s to reach to its maximum height.

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3 years ago

How do you The the answer of equation of the boundary line & to write the inequality whose graph is shown? How do you work i

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This is the equation
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3 years ago

Which expression is equivalent to 4k+2k?

Natalija [7]

Answer:

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Step-by-step explanation:

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3 years ago

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