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zysi [14]
4 years ago
15

" title="x + 1.2x + 1 = 100 \\ \\ find \: x" alt="x + 1.2x + 1 = 100 \\ \\ find \: x" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
uysha [10]4 years ago
4 0

Answer: x=45

<u>Simplify both sides of the equation</u>

<u></u>x+1.2x+1=100

(x+1.2x)+(1)=100 (Combine Like Terms)

2.2x+1=100

<u>Subtract 1 from both sides</u>

<u></u>2.2x+1-1=100-1\\2.2x=99<u></u>

<u></u>

<u>Divide both sides by 2.2</u>

<u></u>2.2x/2.2=99/2.2<u></u>

<u></u>x=45<u></u>

abruzzese [7]4 years ago
3 0

Answer:

Step-by-step explanation:

x+1.2x+1=100\\\\2.2x+1=100\\\\2.2x=100-1\\\\2.2x=99\\\\x=\frac{99}{2.2}\\\\x=\frac{99*10}{2.2*10}\\\\x=\frac{990}{22}\\\\x=45

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3241004551 [841]

Answer:

Growth rate = 8% = 0.08

Initial value (Po) = $255

F(t) = Po* e^rt

F(t) = $412.09897

Step-by-step explanation:

Given that:

Initial cost = $255

Rate of increase per year (r) = 8% = 0.08

Growth rate :

Final amount = Initial amount * (1 + rate)^time

Growth rate = 8% = 0.08

Initial value (Po) = $255

Exponential model for the cost :

F(t) = Initial value * e^(rate * time)

F(t) = Po* e^rt

Value after 6 years :

F(t) = Po* e^rt

t = 6

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F(t) = 255 * 1.6160744

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3 years ago
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dangina [55]

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Step-by-step explanation:

8 0
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The area of a parallelogram is 49.7 cm 2 , and the base of the parallelogram is 3.5 cm. What is the height of the parallelogram
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Answer:

14.2 cm

Step-by-step explanation:

A parallelogram is a quadrilateral (a four sided object) with parallel sides

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2. Opposite angels are congruent  

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3 years ago
GIVING BRAINLIEST<br> What is the solution to the system of linear equations graphed below?
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Answer:

The first option so (3\frac{1}{2}, -4) is the answer

<u>Skills required: Graphing Knowledge, Systems Knowledge</u>

Step-by-step explanation:

1) The solution to any system is the intersection between any 2 lines or functions. In this case, we are given two functions on a graph, and need to find the solution to them. That is the intersection.

2) We can see the intersection and see that the x-axis value for the coordinate point is around 3 1/2 (or 3.5 -- whatever you prefer), and that the y-axis value for the point is -4.

Therefore, the coordinate point is: (3\frac{1}{2}, -4) since this answer best matches the coordinate values of that point.

==================================================================

Select the first option, have a nice day! :D

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