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lozanna [386]
2 years ago
11

2x + 8 = -4 solve for c Show work please

Mathematics
1 answer:
andrew-mc [135]2 years ago
7 0

Answer: x=-6

Step-by-step explanation:

Given

2x + 8 = -4

Subtract 8 on both sides

2x + 8 - 8 = -4 - 8

2x = -12

Divide 2 on both sides

2x / 2 = -12 / 2

x = -6

NOTE: I assume the questions "solve for c" actually means "solve for x"

Hope this helps!! :)

Please let me know if you have any questions

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Read 2 more answers
The differential equation below models the temperature of a 95°C cup of coffee in a 19°C room, where it is known that the coffee
frozen [14]

Answer:

y (t) = 19 + 76*e^(-(1/51)*t)

Step-by-step explanation:

We have the following differential equation model:

dy / dt = - (1/51) * (y -19)

The initial conditions are: y (0) = 95 and y '(70) = 1

We solve the differential equation, separating variables:

1 / (and -19) * dy = - (1/51) * dt

we integrate on both sides:

ln (y -19) = - (1/51) * t + C

e ^ ln (y -19) = e ^ (- (1/51) * t + C)

y - 19 = C1 * e ^ (- (1/51) * t)

y = 19 + C1 * e ^ (- (1/51) * t)

replacing, and (0) = 95

95 = 19 + C1 * e ^ (- (1/51) * 0)

95 = 19 + C1 * e ^ 0

95 = 19 + C1

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Therefore the equation would be:

y (t) = 19 + 76 * e ^ (- (1/51) * t)

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3 years ago
The graph shows the value of a certain model of car compared with its age.
victus00 [196]

Answer:

B. The car's age is the explanatory variable

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The graph shows a negative linear relationship between car's age and car's value because, as as one variable increases, the other decreases.

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The statement in option B is FALSE.

3 0
3 years ago
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