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tigry1 [53]
3 years ago
12

What is the answer? 4b/3b3

Mathematics
2 answers:
Viefleur [7K]3 years ago
5 0
<span>4b/3b3
= </span><span>4/3b^2 
hope it helps</span>
Lorico [155]3 years ago
4 0
The answer would be b= 0.
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A rare coin appreciates at a rate of 5.2% a year. If the initial value of the coin is $500, after how many years will its
Kisachek [45]

Answer: 36 years

Step-by-step explanation:

Exponential equation to represent growth:-

y=A(1+r)^t , where A is the initial value , r is the rate of growth and t is the time period.

Given : A rare coin appreciates at a rate of 5.2% a year. If the initial value of the coin is $500.

i.e. Put A= 500 and r= 0.052 in the above formula.

The amount after t years:

y=500(1.052)^t

Inequality for value cross $3,000 mark:

3000

Divide both sides by 500

6

Taking log on both sides , we get

\log6\dfrac{0.778151250384}{0.0220157398177}=35.345223773\\\\t\approx36

Hence, it will take approx 36 years to cross the $3,000 mark.

5 0
3 years ago
You and your friend are selling magazine subscriptions. You sell 8 fewer magazine subscriptions than your friend. Together you s
horsena [70]

The question is incomplete, here is the complete question:

You and your friend are selling magazine subscriptions. You sell 8 fewer magazine subscriptions than your friend. Together you sell 42 magazine subscriptions. Write a system of linear equations that represents this situation.

The system of linear equations that represents this situation is:

x + y = 42

x - y = 8

Step-by-step explanation:

To solve the problem assume that

  • x represent the number of magazine subscriptions that your friend sell
  • y represents the number of magazine subscriptions that you sell

∵ Your friend sells x magazine subscriptions

∵ You sell y magazine subscriptions

∵ Together you sell 42 magazine subscriptions

∴ x + y = 42 ⇒ (1)

∵ You sell 8 fewer magazine subscriptions than your friend

∵ Your friend sells x magazine subscriptions

∵ You sell y magazine subscriptions

- That means y = x - 8

∴ y = x - 8

- Add 8 for both sides

∴ 8 + y = x

- Subtract y from both sides

∴ 8 = x - y

- Switch the two sides

∴ x - y = 8 ⇒ (2)

The system of linear equations that represents this situation is:

x + y = 42

x - y = 8

Learn more:

You can learn more about the system of linear equations in brainly.com/question/6075514

#LearnwithBrainly

8 0
3 years ago
Solve:<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bdy%7D%7Bdx%7D%20%20%3D%20%20%7Bx%7D%5E%7B3%7D%20%20%2B%205x%20-%2018" i
Gwar [14]

y =  \frac{1}{4} {x}^{4}  +  \frac{5}{2} {x}^{2}  - 18x + k

Step-by-step explanation:

dy = ( {x}^{3}  + 5x - 18)dx

Integrating the above expression, we get

y = \int( {x}^{3}  + 5x - 18)dx

=  \frac{1}{4} {x}^{4}  +  \frac{5}{2} {x}^{2}  - 18x + k

where k is the constant of integration

5 0
3 years ago
PLEASE ANSWER + BRAINLIEST !!!
Kisachek [45]

Answer:

the answer is c sorry


Step-by-step explanation:


4 0
3 years ago
What is an equation of the line in slope intersect form? the slope is 2
padilas [110]

Answer:

Y=2x+B

Step-by-step explanation:

The slope intercept form is the equation Y=mx+b. In which case m= the slope and B=the point on the graph where the line crosses the y-axis

5 0
3 years ago
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