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3 years ago

-2(6x + 5) = 74 Can you solve this for me?

Mathematics

2 answers:

Law Incorporation [45]3 years ago

8 0

−2(6x+5)=74

Simplify both sides of the equation.

−2(6x+5)=74

−2 x 6x−2 x 5=74

−12x−10=74

Add 10 to both sides.

−12x−10=74

+10 +10

−12x=84

Divide both sides by -12.

−12x = 84

/−12 /-12

x=-7

hope it helps!

AlekseyPX3 years ago

6 0

-2(6x+5)=74
-12x-10=74
-12x=84

X= -7

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A seat on a Ferris wheel is level with the center of the wheel. The diameter of the wheel is 210 feet (ft). If the wheel

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Answer:

The change in the height of the seat of the Ferris wheel is a reduction in height of approximately 74.25 feet

Step-by-step explanation:

The given information are;

The position of the seat on the Ferris wheel = The center level of the wheel

The diameter of the Ferris wheel = 210 feet

The angle of rotation of the wheel = 45° counterclockwise

The height of a point on the Ferris wheel is given by the relation;

h = A·cos(b·x + c) + d

With regards to the question, we have;

h = The height of the seat of the Ferris wheel

A = The amplitude = 1/2 × The diameter of the wheel = 210/2 = 105 feet

360/b = The period

c = The phase shift = 90°

d = The mid line = 0

For a rotation of 45° counterclockwise or-45° clockwise, we have;

b·x = 45°, therefore;

h = 105 × cos(45° + 90°) + 0 = 105 × cos(135°) + 0

h = 105 × cos(135°) ≈ -74.25 feet

Therefore, the height of the seat of the Ferris wheel reduces by 74.246 feet.

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german

Answer:

$P(t)=2500(1.04)^t$

Step-by-step explanation:

None of your proposed answers has an exponent <em>t</em>.

Here's the logic behind the answer:

Year 0: pop. = 2500

Year 1: pop. = 2500(1.04) That is 104% of the previous year's pop.

Year 2: pop. = 2500(1.04)(1.04) = 2500(1.04)^2

Year 3: pop. = 2500(1.04)^2 x (1.04) = 2500(1.04)^3

See the pattern? The exponent matches the year number.

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