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gladu [14]
3 years ago
5

In 2003 the population of Mayberry was 324 people. After a new factory opened and attracted new families to the area, the popula

tion grew to 450 people. What is the percent of increase in population in Mayberry?
Mathematics
1 answer:
Reptile [31]3 years ago
4 0

Answer:

about 61 percent

Step-by-step explanation:

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NEED HELP IMAGE ATTACHED!!!
masha68 [24]

Answer:

A.

\frac{ {7x}^{2}  - 5x + 1}{4x + 1}

Step-by-step explanation:

Since the denominators are the same we just have to combine the top.

{x}^{2}  - 5x +  {6x}^{2}  + 1

Combine alike terms.

{7x}^{2}  - 5x + 1

put that over our denominator.

\frac{ {7x}^{2} - 5x + 1 }{4x + 1}

6 0
3 years ago
Calculate the 5th term of the sequence which has this explicit formula: an=3/2n(2n+5), n=1,2,...
Zielflug [23.3K]

Answer:

D. 9 ÷ 2

Step-by-step explanation:

For getting the nth value of the sequence we simply put the value of n in a formula.

In the given sequence for finding the 5th term we simply put n = 5 in given explicit formula:

We have a_{n} = \frac{3}{2n}(2n+5)

Putting n = 5

a_{5} = \frac{3}{2\times5}(2\times5+5)

⇒ a_{5} = \frac{3}{10}(15)

⇒ a_{5} = \frac{9}{2}

Thus, option (D) is correct.

8 0
4 years ago
Min wants to make 100 name tags with ribbon attached to them. Each name tag requires 5 centimeters of ribbon. She has 3.25 meter
Kisachek [45]
3.25 meters = 325 cm

325cm / 5 cm= 65 name tags with the ribbon she has.

She still needs 35 name tags, so 35 × 5 = 175cm cm.

She still needs 175cm of ribbon to make a total of 100 name tags.
6 0
3 years ago
This distance-time graph represents a journey made by Jo.
ioda

Answer:

Jo started decelerating at the 10th minute

His average speed for the last 30 minutes of the journey is 4/30 km/minute

Step-by-step explanation:

To get what Jo did at 10 minute, we look at the graph.

At the 10th minute, we can see that we have a sharp turn from the top to the zero position at the 20th minute

so we can say that Jo started deceleration at the 10th minute

For the last 30 minutes of the journey, he travelled a distance of 4km

So, mathematically, his average speed will be;

Distance/ time = 4km/30 minutes = 4/30 km/minute

6 0
3 years ago
Find the perimeter of the figure below. <br><br> someone plz help I have a test due today!! :(
TEA [102]
The triangle at top has a perimeter of 5, 12, and 13. The square has a perimeter of 29, 12, 29, and 12. If you add all those up you get 112
4 0
3 years ago
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