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vladimir2022 [97]
3 years ago
7

Solve this equation -129=6(7+7x)-3

Mathematics
2 answers:
leva [86]3 years ago
7 0

Answer:

-4

Step-by-step explanation:

-129 = 6(7 + 7x) - 3

Distribute the 6 into the parentheses.

-129 = 42 + 42x - 3

Add like terms.

-129 = 39 +42x

Subtract 39 from both sides.

-168 = 42x

Divide 42 from both sides.

-4 = x

BlackZzzverrR [31]3 years ago
6 0

Answer:

x = -4

Step-by-step explanation:

6(7 + 7x) - 3 = -129

=>42 + 42x - 3 = -129

=>39 + 42x = -129

=>42x = -129 - 39

=>42x = -168

=>x = -168/42

=>x = -4

HOPE THIS HELPS YOU...

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3 years ago
The number of bacteria in a culture is given by the function n(t) =950e^0.45t Where t is measured in hours A) what is the contin
tatiyna

Answer:

a) The continuous rate of growth of this bacterium population is 45%

b) Initial population of culture at t = 0 is 950 bacteria

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Step-by-step explanation:

The number of bacteria in a culture is given by

n(t) = 950e^{0.45t}

a) rate of growth is

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