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igomit [66]
3 years ago
10

Find the explicit formula for an arithmetic sequence with a common

Mathematics
1 answer:
Rasek [7]3 years ago
4 0

Answer:

Step-by-step explanation:

a_{n}=1+(n-1)(4)

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Karen has $1.70 in coins. Karen has 8 coins, all of which are quarters or dimes.
kumpel [21]

x+y=8 and 25x+10y=170 are the linear equations.

x+y≤8 and 25x+10y≤170 are the inequalities.

Step-by-step explanation:

Given,

Worth of coins = $1.70 = 1.70*100 = 170 cents

Number of coins = 8

1 quarter = 25 cents

1 dime = 10 cents

Let,

x represent the number of quarters

y represent the number of dimes

1. Write an equation to represent the amount of coins Karen has.

x+y = 8

2.Write an equation to represent the value of the coins Karen has.

25x+10y=170

x+y=8 and 25x+10y=170 are the linear equations.

For inequalities, the amount cannot increase number of coins and worth but it can be less, therefore,

x+y≤8

25x+10y≤170

x+y≤8 and 25x+10y≤170 are the inequalities.

Keywords: linear equations, addition

Learn more about linear equations at:

  • brainly.com/question/10570041
  • brainly.com/question/10610299

#LearnwithBrainly

4 0
3 years ago
A man travels 4 ⅓ miles in 2 ½ hours. what is his speed in miles per hour?
natulia [17]
Approximately 1.7 miles per hour
3 0
3 years ago
What is the slope of a line that passes through (4,2) and (-2,4)
ycow [4]

Answer:

   Step One: Identify two points on the line.

   Step Two: Select one to be (x1, y1) and the other to be (x2, y2).

   Step Three: Use the slope equation to calculate slope.

Step-by-step explanation:

3 0
3 years ago
Find the Area of the figure below, composed of a rectangle with two semicircles removed. Round to the nearest tenths place.
Allisa [31]

Answer:

21.8

Step-by-step explanation:

hii so basically first we find the area of the 9 by 8 and subtract the area of the semicircles.

area of circles are πr^2, so in this situation

π4^2 which is 16π.

with this, the semicircle which is half a circle would give us

16π/2 which is 8π.

but then, we have two semicircles removed so we would have as an answer:

(9*8)-8π+8π

72-16π

then you would have to round so

16π is around 50.2

so 72-50.2 is 21.8

i hope this helped you <33

6 0
3 years ago
What is the solution to the system of equations represented by these two lines?
yuradex [85]
(2,3) would be your answer I believe


Hope it helped stay safe xx
4 0
3 years ago
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