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liubo4ka [24]
3 years ago
15

F ( x ) = 5 ( 2 − x ) , what is the value of f ( − 8 )

Mathematics
1 answer:
Pepsi [2]3 years ago
7 0

Answer:

50

Step-by-step explanation:

solved

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Which is closest to the volume<br> of a sphere with a radius equal<br> to 8 centimeters
NemiM [27]

Answer:

The volume of the sphere with radius 8 cm is 2143.573 centimeters³

Step-by-step explanation:

Given as :

The radius of the sphere = r = 8 cm

Let The volume of sphere = v cm³

<u>Now, According to question</u>

Volume of sphere = \dfrac{4}{3} × π × radius³

where r is radius of sphere

π  = 3.14

Or, v =  \dfrac{4}{3} × 3.14 × r³

Or, v =  \dfrac{4}{3} × 3.14 × 8³

Or, v =  \dfrac{4}{3} × 1607.68

Or, v = \dfrac{4\times 1607.68}{3}

∴   v = 2143.573 cm³

So, The volume of the sphere = v = 2143.573 cm³

Hence, The volume of the sphere with radius 8 cm is 2143.573 centimeters³ Answer

3 0
3 years ago
Whats 2,000 − 1,867.85
Wittaler [7]

Answer:

132.15

Step-by-step Explanation:

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3 years ago
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Answer:

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6 0
2 years ago
Read 2 more answers
If t varies as v, and t = 2 4/7 when v =13/14 , find v when t = 2 1/4
maks197457 [2]

Answer : b) 13/16

Given : t varies as v

So t = k v  where k is the constant of proportionality.

t = 2 4/7 when v =13/14. Using these values we find out k

t = 2\frac{4}{7} =\frac{18}{7}

v =\frac{13}{14}

t = k * v

\frac{18}{7}= k *\frac{13}{14}

Multiply by 14/13 on both sides

\frac{18}{7} *\frac{14}{13} = k *\frac{13}{14}*\frac{14}{13}

So  k =\frac{36}{13}

We got the value of k. Now we find v when t = 2 1/4

t = 2\frac{1}{4} =\frac{9}{4}

t = k * v

We know the value of t and k

\frac{9}{4}= \frac{36}{13}* v

Multiply by 13/36 on both sides

\frac{9}{4} *\frac{13}{36} =\frac{36}{13}*\frac{13}{36}* v

So  \frac{13}{16}= v

Option B is correct

4 0
3 years ago
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