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Andru [333]
3 years ago
14

Write a recursive formula for the following sequence:10, 5, 0, -5,... *

Mathematics
1 answer:
Alika [10]3 years ago
4 0

Answer:

decrease by 5

Step-by-step explanation:

n= 10

then in sequence,

n= n-5

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Write as a single power of 3
Gekata [30.6K]

Given : \frac{1}{9\sqrt{3}}

\implies \frac{1}{3^2\times3^\frac{1}{2}} = \frac{1}{3^(^2^+^\frac{1}{2}^)} = \frac{1}{3^(^\frac{5}{2}^)} = 3^(^\frac{-5}{2}^)

8 0
3 years ago
In a recent year, person A and person B had the two top-grossing concert tours, together generating about $300 million in ticket
Brrunno [24]

Answer: Person B had $114,000,000 and person A had $186,000,000

Step-by-step explanation:

You do $300 million divided by 2 to get 150,000,00 and then subtract 150,000,000 - 38,000,000= 114,000,000 and that's for person B and than you  add the 38,000,000  to the 150,000,000 to get the amount person A had.

There you go!!!

7 0
4 years ago
Solve by adding or subtracting.<br> x+y=-10<br> 2x-y=-8
riadik2000 [5.3K]

Answer:

x=-6\\y=-4

Step-by-step explanation:

To solve, isolate your first equation for y.

x+y=-10\\y=-x-10

Now, plug in this y value to your second equation.

2x-(-x-10)=-8\\2x+x+10=-8\\3x+10=-8\\3x=-18\\x=-6

Now, plug your x value into your first equation and solve for y.

-6+y=-10\\y=-4

3 0
4 years ago
Read 2 more answers
One hose can fill a goldfish pond in 36 ​minutes, and two hoses can fill the same pond in 20 minutes. Find how long it takes the
rjkz [21]

Answer:

45 minutes

Step-by-step explanation:

It is given that one hose can fill a goldfish pond in 36 minute

So the the first hose can fill goldfish pond \frac{1}{36} per minute

When both fill together then they fill in 20 minutes

So the the both  hose can fill goldfish pond \frac{1}{20} per minute

Let Goldfish pond filled by second hose  \frac{1}{x} per minute

so \frac{1}{36}+\frac{1}{x}=\frac{1}{20}

\frac{1}{x}=\frac{1}{20}-\frac{1}{36}

x=45 minutes

5 0
4 years ago
Read 2 more answers
one interior angle of a polygon is equal to 800 and each of the other interior angles are 128 degrees. Find the number of sides
KiRa [710]

Answer:

6

Step-by-step explanation:

Given information:

Interior angle of a polygon cannot be more that 180°.

One interior angle = 80^{\circ}

Other interior angles are  = 128^{\circ}

Let n be the number of sides of the polygon.​

Sum of interior angles is

Sum=80+128(n-1)

Sum=80+128n-128

Combine like terms.

Sum=128n-48           .... (1)

If a polygon have n sides then the sum of interior angles is

Sum=(n-2)180

Sum=180n-360           .... (2)

Equating (1) and (2) we get

180n-360=128n-48

Isolate variable terms.

180n-128n=360-48

52n=312

Divide both sides by 52.

n=\frac{312}{52}

n=6

Therefore the number of sides of the polygon is 6.

8 0
3 years ago
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