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REY [17]
4 years ago
13

Find an explicit formula for the arithmetic sequence -11, -3, 5, 13, ....

Mathematics
1 answer:
gogolik [260]4 years ago
8 0

Answer:

add 8

Step-by-step explanation:

-11 + 8 = -3

-3 + 8 = 5

5 + 8 = 13

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Brainliest if righttt
IgorC [24]

Answer: 4 in.

Multiply 2*2 = 4

Your answer is 4 in.

Hope this helps! :)

Brainliest please.

5 0
2 years ago
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Smith:24 Munoz:32 Park:20 Find the ratios and write in simplest form. Smith to Munoz to Park
Rus_ich [418]
The answer is:  " 6: 8 : 5 " .
______________________________
Given:  "24: 32: 20" ;  Divide by "4" :


24: 32: 20 
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______________________________
to get:  " 6: 8 : 5 " .
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3 0
3 years ago
A cone and a cylinder have the same height and their bases are congruent circles
Anettt [7]

Answer:

30cm^3

Step-by-step explanation:

the volume of a cylinder is given by:

v_{cylinder}=\pi r^2 h

and the volume of a cone is given by:

v_{cone}=\frac{\pi r^2 h}{3}

since both have the same height and radius, we can solve each equation for r^2h (because this quantity is the same in both figures) and then match the expressions we find:

from the cylinder's volume formula:

r^2h=\frac{v_{cylinder}}{\pi}

and from the cone's volume formula:

r^2h=\frac{3 v_{cone}}{\pi}

matching the two previous expressions:

\frac{v_{cylinder}}{\pi} =\frac{3v_{cone}}{\pi}

we solve for the volume of a cone v_{cone}:

v_{cone}=\frac{\pi v_{cylinder}}{3\pi} \\\\v_{cone}=\frac{v_{cylinder}}{3}

substituting the value of the cylinder's volume v_{cylinder}=90cm^3

v_{cone}=\frac{90cm^3}{3} \\\\v_{cone}=30cm^3

5 0
4 years ago
Read 2 more answers
Slove for N will give brainliest
storchak [24]

Answer:

n= -4/7

Step-by-step explanation:

5 0
3 years ago
Which of the following is a factor of (x+y)³-(x+y)³
IgorC [24]

▬▬▬▬▬▬▬▬▬▬▬▬▬▬

<h3>Answer :</h3>

The factor of (x + y)³- (x³ + y³) is <u>3xy</u>

<h3>Step By Step Solution :</h3>

→ (x + y)³- (x³ + y³)

→ (x + y) - (x + y)(x² - xy + y²) [Using identity a³ + b³ = (a + b)(a²- ab+ b²)]

→ (x + y)(x² + y² + 2xy - x² + xy - y²)[Using identity, (a + b)² = (a² + b²+ 2ab)]

→ (x + y) (3xy)

→ 3xy

∴ Option d. 3xy is correct!

▬▬▬▬▬▬▬▬▬▬▬▬▬▬

6 0
3 years ago
Read 2 more answers
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