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Ivenika [448]
2 years ago
14

The table shows a proportional relationship. What is the missing y-value? __________

Mathematics
2 answers:
Flura [38]2 years ago
7 0

Answer:

18

Step-by-step explanation:

C

bagirrra123 [75]2 years ago
4 0
Y=1.5x so it will be 18 C
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Given: 1; -5; -13 ; -23 ; ...<br><br> Derive a formula for the nth term in the pattern.
mylen [45]

Answer:

  f(n) = -n^2 -3n +5

Step-by-step explanation:

Suppose the formula is ...

  f(n) = an^2 +bn +c

Then we have ...

  f(1) = 1 = a(1^2) +b(1) +c

  f(2) = -5 = a(2^2) +b(2) +c

  f(3) = -13 = a(3^2) +b(3) +c

__

Here's a way to solve these equations.

Subtract the first equation from the second:

  -6 = 3a +b . . . . . 4th equation

Subtract the second equation from the third:

  -8 = 5a +b . . . . . 5th equation

Subtract the fourth equation from the fifth:

  -2 = 2a

  a = -1

Then substituting into the 4th equation to find b, we have ...

  -6 = 3(-1) +b

  -3 = b

and ...

  1 = -1 +(-3) +c . . . . . substituting "a" and "b" into the first equation

  5 = c

The formula is ...

  f(n) = -n^2 -3n +5

3 0
3 years ago
The side length of a square garden is 15 feet. Find the area of the garden in square feet.
viktelen [127]

To find the area multiply the length by the width.

The length and width of a square are the same.

Area  = 15 x 15 = 225 square feet.

8 0
2 years ago
Read 2 more answers
A large western state consists of 3390 million acres of land. Approximately 92% of this land is federally owned. Find the number
Dmitry_Shevchenko [17]

Answer: 31.2

Step-by-step explanation: 100 - 92 = 8%

3390 acres ---- 100%

x acres ------ 8%

4 0
3 years ago
PLS HELP!!!!! I WILL GIVE BRAINLEST JUST PLS HELP!!!
steposvetlana [31]

Answer:

Step-by-step explanation:

Mckcifjfjf

5 0
2 years ago
Which is the measure of AB? A. 10 feet B. 15 feet C. 20 feet D. 100 feet
Jobisdone [24]

Answer:

tHE ANSWER IS 10X15

Step-by-step explanation:

10X15=150

7 0
3 years ago
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