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liberstina [14]
3 years ago
13

How do you find the nth term of a sequence? (don't paste from Google if you don't know)

Mathematics
1 answer:
olga2289 [7]3 years ago
7 0
Use formula an = a1 + ( n - 1)d
a1 = -1, d = -2
Just plug those into equation
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I will give brainliest if correct!!! Please show work so I know how to do it. :)
yawa3891 [41]

Answer:

.2625

Step-by-step explanation:

logb(3) = 0.5646, logb(4) = 0.7124, and logb(5) = 0.8271

logb(5/3)

We know that logx ( y/z) = logx (y) - logz (z)

logb ( 5) - logb(3)

0.8271 - 0.5646

.2625

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4 years ago
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A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to
aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are  £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

\£1\text{ coins}=\frac{1}{3}\times 255

\£1\text{ coins}=85

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

\text{Value of 50 p coins}=\£0.50\times 110

\text{Value of 50 p coins}=\£55

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

\text{Number of 20 p coins}=255-(85+110)

\text{Number of 20 p coins}=255-(195)

\text{Number of 20 p coins}=60

\text{Value of 20 p coins}=\£0.20\times 60

\text{Value of 20 p coins}=\£12

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

\text{The total value of the coins}=\£85+\£55+\£12

\text{The total value of the coins}=\£152

Therefore, the total value of the coins contained in the bottle is £152.

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3 years ago
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Kisachek [45]

Answer:

Step-by-step explanation:

the property of zero,

multiplication property of zero

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Ivenika [448]

Answer:

30

Step-by-step explanation:

Complementary angle to B = 90 - 60 = 30

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I need help on this one aswell if anyone wants to help me.
Lelechka [254]

Answer:

y=63

Step-by-step explanation:

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