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34kurt
3 years ago
13

Please HELP! I will mark best answer as brainliest

Mathematics
1 answer:
elena-s [515]3 years ago
8 0
Its decreased by 200  in the 4 years from 1994 to 1998 That is  50  less per year
In 1990  the population  would have been  2500 
So the required formula is 

P = -50t + 2500  ( or you could write it as P = 2500 - 50t
You might be interested in
The yearly expenses for the Glenn family are represented in the circle graph. The Glenn’s have just purchased a new car. A new c
tiny-mole [99]

Answer:

Car: 18.4% Other: 4.9%

Step-by-step explanation:

Glenn family yearly total expenses are

\$8,600+\$4,800+\$5,400+\$2,400+\$7,000+\$1,800=\$30,000

Other expenses are $7,000.

The payments for the new car are: $375.00 per month and the insurance for the new car $85.00 per month, in total, $460 per month. Yearly expenses for car are

\$460\cdot 12=\$5,520

Now, the expenses for the following two categories are

Car - $5,520

Other - $7,000 - $5,520 = $1,480

Percentage:

Car:

\dfrac{5,520}{30,000}\cdot 100\%=18.4\%

Other

\dfrac{1,480}{30,000}\cdot 100\%\approx 4.93\%

4 0
3 years ago
Find the VOLUME of this composite solid.
Black_prince [1.1K]

Answer:

  (294π +448) cm³ ≈ 1371.6 cm³

Step-by-step explanation:

The half-cylinder at the right end has a radius of 7 cm, as does the one on top. Together, the total length of these half-cylinders is 8 cm + 4cm = 12 cm. That is equivalent in volume to a whole cylinder of radius 7 cm that is 6 cm long.

The cylinder volume is ...

  V = πr²h = π(7 cm)²(6 cm) = 294π cm³

__

The cuboid underlying the top half-cylinder has dimensions 4 cm by 8 cm by 14 cm (twice the radius). So, its volume is ...

  V = LWH = (4 cm)(8 cm)(14 cm) = 448 cm³

Then the total volume of the composite figure is ...

  (294π +448) cm³ ≈ 1371.6 cm³

8 0
3 years ago
What is 14.79 as a rounded number​
Alex_Xolod [135]

Answer:

15

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Claire power walks 1/9 of a mile in 1/54 of an hour compute the unit rate as the complex fraction
Phantasy [73]
1/9 * 54/1 = 54/9.

So she is walking 6mph.
4 0
3 years ago
Read 2 more answers
Ian and April wish to have 8,000 available for the wedding in six years how much money should be set aside now at 6% compounded
ira [324]

Answer:

\$5,586.42  

Step-by-step explanation:

we know that    

The compound interest formula is equal to  

A=P(1+\frac{r}{n})^{nt}  

where  

A is the Final Investment Value  

P is the Principal amount of money to be invested  

r is the rate of interest  in decimal

t is Number of Time Periods  

n is the number of times interest is compounded per year

in this problem we have  

t=6\ years\\ A=\$8,000\\ r=0.06\\n=12  

substitute in the formula above  

8,000=P(1+\frac{0.06}{12})^{12*6}  

8,000=P(1.005)^{72}  

P=8,000/(1.005)^{72}  

P=\$5,586.42  

8 0
3 years ago
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