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4 years ago

Vir

Mathematics

2 answers:

PolarNik [594]4 years ago

7 0

Answer:

i dont know!!! sorry guys

Butoxors [25]4 years ago

7 0

Answer:

D) Cube and cylinder have equal volumes

Step-by-step explanation:

If two solids are of equal height and the cross sections made by planes parallel to and at the same distance from their respective bases are always equal, then the volumes of the two solids are equal. (This explanation is directly from USATestPrep so its their explanation not mine, hope this helps)

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Pls help ! good bless you If f(x)=3x-2√x . find f'(1) , f'(4) and f'(a^2)

Alexxandr [17]

$DERIVATIVES \\ \\ \\ We're \: given \: the \: expression \: \: - \\ \\ f(x) \: = 3x - 2 \sqrt{x} \\ \\ f'(x)= 3 - 2( \frac{1}{2 \sqrt{x} } ) \\ \\ f'(x)=3 - \frac{1}{ \sqrt{x} } \\ \\ Now \: , \: We've \: to \: find \: the \: value \: \\ of \: f'(1) \: \: f'(4 ) \: \: and \: \: f'( {a}^{2} ) \\ \\ \\ f'(1) = 3 - \frac{1}{ \sqrt{1} } = 3 - 1 = 2 \\ \\ \\ f'(4) = 3 - \frac{1}{ \sqrt{4} } = 3 - \frac{1}{2} = \frac{5}{2} \\ \\ \\ f'( {a}^{2} ) = 3 - \frac{1}{ \sqrt{ {a}^{2} } } = 3 - \frac{1}{a} = \frac{3a - 1}{a}$

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3 years ago

Given the scatter plot below, which of the following equations best models the data? [8.SP.2] A. y= 8x +6 B. y = 2x + 20 C. y

klemol [59]

Where's the scatter plot?

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3 years ago

Can someone help me I need to know the unit rate of:

sladkih [1.3K]

Answer:

A. 60 miles per hour

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C.2.5 meters per second

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Step-by-step explanation:

Here we are asked to determine the unit rate for each one of the options given. By unit rate we mean the quantity for per unit quantity . Hence in order to find that we divide the two and quotient is our unit rate. Let us see how:

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Unit rate = 60 miles per hour

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Unit rate = 2.5 meters per second

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Unit rate = $1.59 per pound

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3 years ago

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3 years ago

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3 years ago