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Sphinxa [80]
2 years ago
12

Find the sum: 1+10+19+28…, n=16

Mathematics
1 answer:
saveliy_v [14]2 years ago
7 0

Answer:

1

Step-by-step explanation:

1+10+19+28=58

sum=58+n

58+16=74

the answer is 74

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A paint box contains 12 bottles of different colors. If we choose equal quantities of 3 different colors at random, how many col
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Lena [83]

Answer:

(1)

Karen: y = 2x +3

Alice: y = 2x +1

(2): Slope is 2

(3) y intercept

b = 3 --- For Karen

b = 1 --- For Alice

(4) They do not intersect

(5) No solution

(6) No

Step-by-step explanation:

Given

x = loaves

y = amount

Solving (1): Complete the equation.

For Karen:

m = 2 --- the rate

b = 3 --- additional spendings

For Alice:

m = 2 --- the rate

b = 1 --- additional spendings

The general equation is;

y = mx +b

For Karen, it becomes

y = 2x +3

For Alice, it is:

y = 2x +1

(2): The slopes.

In (1), we have:

m = 2 --- the rate (for both Karen and Alice).

This rate implies the slope.

<em>Hence, the slope is 2</em>

(3): The y intercept.

The additional spendings in (1) means the y intercept.

So, we have:

b = 3 --- For Karen

b = 1 --- For Alice

(4) Because they have the same slope, they do not intersect

(5) Number of solutions.

y = 2x +3

y = 2x +1

Subtract both equations

y-y = 2x-2x +3-1

0 = 2

This means there is no solution

(6) Can they spend the same amount on the same number of loaves

In (5), the equations have no solution

<em>Hence, it is not possible to spend the same amount for the same number of loaves</em>

5 0
3 years ago
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