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RideAnS [48]
3 years ago
14

17) Evaluate D(4) Please help

Mathematics
1 answer:
WINSTONCH [101]3 years ago
3 0

Answer:

D(4) = 6

Step-by-step explanation:

Using the blue graph, find the y value when x =4

the y value is 6 when x=4

D(4) = 6

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Which equation gives the volume of the sphere? V = two-thirds (27 pi) V = four-thirds (27) V = two-thirds (27) V = four-third (2
Amanda [17]

Answer:

<em>V = four-third (27 pi)</em>

Step-by-step explanation:

Complete question;

<em>A sphere and a cylinder have the same radius and height. The volume of the cylinder is 27 pi feet cubed. </em>

<em>A sphere with height h and radius r. A cylinder with height h and radius r. </em>

<em> Which equation gives the volume of the sphere? </em>

<em>V = two-thirds (27 pi) </em>

<em>V = four-thirds (27) </em>

<em>V = two-thirds (27) </em>

<em>V = four-third (27 pi)</em>

<em></em>

Volume of the cylinder V = πr²h

If Volume is 27pi feet cubed, hence;

27pi = πr²h

27 = r²h

Since r = h

27 = r³

r = ∛27

r = 3

Since the volume of the sphe4/3πr³re = 4/3πr³

Volume of sphere = 4/3π(27)

Volume of sphere = 4/3(27π)

<em>Hence the correct option is V = four-third (27 pi)</em>

3 0
3 years ago
Use the graph of y=e^x to evaluate e^1.6 to the nearest tenth. A. 4.3. B. 5.0. C. 0.2. D. 2.7
mihalych1998 [28]
Assuming that you're referring to this graph, the answer would be : B. 5.0

If you see the graph, you can find out on the x axis that it goes a little bit pass 1 but not to the point of 2 (1.6).  and go up until you hit the function and get close to 5

hope this helps

6 0
3 years ago
Read 2 more answers
Given the function ƒ( x ) = 3 x + 1, evaluate ƒ( a + 1).
Goshia [24]

The equation would equal Axf+f

8 0
3 years ago
Read 2 more answers
What are the solutions to the equation x2 − 1 = 399?
mihalych1998 [28]

Good evening ,

Answer :

A.

x = ±20

Step-by-step explanation:

x² − 1 = 399 ⇔ x²= 400 ⇌ x² = 20² ⇌ x² − 20² = 0 ⇌ (x-20)(x+20) = 0

⇌ x = 20 or x = -20.

:)

3 0
3 years ago
Read 2 more answers
the sum of the first six terms of a geometric series is 21/16 . if the common ratio is -1/2 , what is the first term?
Oksanka [162]

Answer:

-84

Step-by-step explanation:

The formula for the nth term of a geometric progression is

Un = ar^n- 1

The sum of the first six terms of a geometric series (U6) = 21/16

Common ratio = -1/2 ,

a = First term ??

21/16 = a × (-1/2 )^6- 1

21/16 = a ×(-2^-1)^5

21/16 = a × -2^-6

Cross Multiply

16 × a × -2^-6 = 21

a = 21/16 × -2^-6

a = 21/16 ×- 1/2⁶

a = 21/16 × -1/64

a = 21 ÷(-1/4)

a = 21 × -4

a = -84

The first term = 84

8 0
2 years ago
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