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Basile [38]
3 years ago
9

Determine if -5 3/4 + 3 4/5 positive or negative

Mathematics
1 answer:
xeze [42]3 years ago
3 0

The answer is negative, because the first number is negative.

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Two equations are listed below. Solve each equation and compare the solutions. Choose the statement that is true about both solu
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B- they both only have one solution
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How does this work, please good explanation
schepotkina [342]

Answer:

see explanation

Step-by-step explanation:

Under a reflection in the y- axis

a point (x, y ) → (- x, y ) , then

A (1, 1 ) → A' (- 1, 1 )

B (2, 4 ) → B' (- 2, 4 )

C (4, 2 ) → C' (- 4, 2 )

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Write the standard form of the equation of the line passing through the point -2, two and perpendicular to the line 5x-y=-4
PtichkaEL [24]

Answer:

..

Step-by-step explanation:

7 0
3 years ago
7803x.739 divided by 78​
kondor19780726 [428]
The answer is 73.928
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3 years ago
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Determine whether the data described in the tables is best modeled by a linear function or an exponential function.
Leviafan [203]

Answer:

Electric car = Exponential function (decreasing cost)

Gasoline car = Exponential function (increasing cost)

Step-by-step explanation:

The given data the Electric car, we have;

Time (years)   {}     Cost (thousands of dollars)

0                           {}      35

5                           {}      27

10                           {}     21

15                           {}     16

20                           {}    12.5

The difference between successive term is such that each term decreases by approximately the same percentage given as follows

1st and 2nd term (35 - 27)/35 × 100 ≈ 22.8571% decrease

2nd and 3rd term (27 - 21)/27 × 100 ≈ 22.222% decrease

3rd and 4th term (21 - 16)/21 × 100 ≈ 23.81% decrease

4th and 5th term (16 - 12.5)/16 × 100 ≈ 21.875% decrease

Therefore. the electric car is best approximated by exponential function

The given data the Gasoline car, we have;

Time (years)   {}     Cost (thousands of dollars)

0                           {}      35

5                           {}      40.2

10                           {}    46.3

15                           {}    53.2

20                           {}    61.2

The difference between successive term is such that each term increases by approximately the same percentage given as follows

1st and 2nd term (40.2 - 35)/35 × 100 ≈ 14.857% decrease

2nd and 3rd term (46.3 - 40.2)/40.2 × 100 ≈ 15.174% decrease

3rd and 4th term (53.2 - 46.3)/46.3× 100 ≈ 14.9% decrease

4th and 5th term (61.2 - 53.2)/53.2× 100 ≈ 15.03% decrease

Therefore. the Gasoline car is best approximated by exponential function

4 0
3 years ago
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