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Eddi Din [679]
3 years ago
7

Evaluate the function g(t)=23t, when t = 30.

Mathematics
1 answer:
Mademuasel [1]3 years ago
7 0
The best answer would be be C.20
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The birth rate of a population is b(t) = 2300e0.024t people per year and the death rate is d(t)= 1450e0.019t people per year, fi
Shalnov [3]

Answer:

Area = 10025.66 square units

Step-by-step explanation:

We are given the following in the question:

The birth rate of a population:

b(t) = 2300e^{0.024t}

The death rate of a population:

d(t)= 1450e^{0.019t}

The area between the curve for 0 ≤ t ≤ 10, is given by:

\displaystyle\int_0^{10}b(t) - d(t)~ dt\\\\\displaystyle\int_0^{10} 2300e^{0.024t}-1450e^{0.019t}~dt\\\\= \Bigg[\frac{2300e^{0.024t}}{0.024}\Bigg]_0^{10}-\Bigg[\frac{1450e^{0.019t}}{0.019}\Bigg]_0^{10}\\\\= \Bigg[\frac{2300e^{0.24}}{0.024}-\frac{1450e^{0.19}}{0.019}\Bigg]-\Bigg[\frac{2300}{0.024}-\frac{1450}{0.019}\Bigg]\\\\= 29543.2058565 - 19517.5438596 \approx 10025.6

4 0
3 years ago
What is the length (magnitude) of the vector (7, -2)?
Sedbober [7]

Answer: B

Step-by-step explanation:

I just got it right on A P E X

have a good day

4 0
3 years ago
Read 2 more answers
Solve this question fast....in the attachment​
avanturin [10]

Answer:

z = 4

y = -1

x = 2

Step-by-step explanation:

x - y = 3

Therefore => x = 3 + y

y + 2z =7

Therefore => y= 7 - 2z

We have the equation :

2x + 3y + 4z = 17

2(3 + y) + 3(7 - 2z) + 4z = 17

6 + 2y + 21 - 6z +4z = 17

2(7 -2z) - 2z + 27 = 17

14 - 4z - 2z + 27 = 17

-6z + 41 = 17

-6z = -24

z = 4

4 0
3 years ago
How do you Graph y= x + 4
Marrrta [24]

put x=0 then y=4

put y=0 then x=-4

therefore 2 ccordintes are

(0,4) and (-4,0)

take a scale and construct a line joining these two points.

you will get the required graph.

hope it helps.

please follow if you like.

8 0
3 years ago
Read 2 more answers
You know the distance between two cities is 140 miles. What is the distance in kilometers?
Juli2301 [7.4K]
The unknown is the distance in kilometres
The given is the distance in miles=140 miles
1 mile=1.6093km
140 miles=?
140/1*1.6093km=225.302km
Therefore the 140 miles in km is 225.302km
7 0
3 years ago
Read 2 more answers
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