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RSB [31]
3 years ago
9

Find the 20th term of the arithmetic sequence 1, 3, 5, 7, 9, ... * 10

Mathematics
1 answer:
Gnom [1K]3 years ago
6 0

Answer: 39

Step-by-step explanation:

a_{n} = 1 + (20-1)2

a_{n} = 1 + (19)2

a_{n} = 1 + 38

a_{n} = 39

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Pls help ill give u brainliest
Monica [59]

Answer:

Answers:

Rate of change = -5

Initial value = 25


Step-by-step explanation:

Each time x increases by 2 (eg from x = 1 to x = 3), the value of y drops by 10 (eg from y = 20 to y = 10)

Therefore the slope is...

slope = rise/run = (change in y)/(change in x) = -10/2 = -5

slope = -5

So each time x increases by 1, y will decrease by 5

Flip things around: each time x decreases by 1, y will increase by 5

So the pair (x,y) = (1,20) shown in row 1 of the table leads to (0,25) based on the rule above. Another way to see this is to plug m = -5, x = 1 and y = 20 into y = mx+b and solve for b to get b = 25

8 0
3 years ago
In a bag of mixed candy bars, the ratio of the number of Milky Way bars to the number of 3-Musketeers bars is 3:4. Determine the
stiks02 [169]

Answer:

There are 36 Milky Way Bars

Step-by-step explanation:

The ratio of Milky Way bars to 3-Musketeers is 3:4 if there are 48 3-muskateers 48/4=12 so 3x12 is 36.

8 0
3 years ago
7.Sabrina wants to deposit $3,066 into savings accounts at three different banks: Bank of the US,
sweet-ann [11.9K]

The amount Sheila deposits in the Bank of US saving account is $511.

Sabrina has a total of $3,066 she wants to deposit. She has three banks that she wants to deposit her money in.

Let, a represent the amount she would deposit she would invest 7/4 bank.

The amount invested in Catch bank = 6 x a = 6a

The amount invested in Bank of US = 20% x ( 6a + a)

= 0.2 x 7a

= 1.4a

The total amount invested in the three banks can be represented with this equation:

1.4a + a + 6a = 3066

In order to determine the amount she would save in the Bank of US, the amount deposited in 7/4 bank has to be determined first.

8.4a = 3066

a = $365

The amount deposited in the Bank of US = 1.4a

= 1.4 x 365

= $511

A similar question was answered here: brainly.com/question/2289204?referrer=searchResults

7 0
3 years ago
One angle of a right triangle measures 75°. What is the measure of the other acute angle?
Natalija [7]

Answer:

15

Step-by-step explanation:

A right angle is 90 degrees

The given angle is 75

90 + x + 75 = 180 (all three angles always add to 180 degrees)

165 + x = 180

180-165 = 15

3 0
1 year ago
Step by step please<br> Please
iVinArrow [24]

Answer:

137/1000

Step-by-step explanation:

Because we have 3 numbers after 0....

hope it helps

5 0
3 years ago
Read 2 more answers
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