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Inessa [10]
4 years ago
15

Can you help i dont understand pls use the picture provided.

Mathematics
1 answer:
WARRIOR [948]4 years ago
3 0
The answer is the one on the bottom left.
That is the correct answer since it starts from the origin
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A 1000 gallon tank, initially full of water, develops a leak at the bottom. Given that 300 gallons of water leak out in the firs
Over [174]

Answer:

option F

Step-by-step explanation:

given,

capacity of tank = 1000 gallon

volume of water leak = 300 gallon

time = 30 min

water is leaking at the rate

formula used

A = B e^{-kt}

At t = 0   A = 1000 gallons

1000= B e^{-k\times 0}

B = 1000

A = 1000 e^{-kt}

at t = 30        A  = 700

700= 1000 e^{-k\times 30}

e^{-k\times 30}=0.7

taking ln both side

-k\times 30=ln(0.7)

k=-\dfrac{ln(0.7)}{30}

now,

A = 1000 e^{\dfrac{ln(0.7)}{30}t}

A = 1000\times 0.7 e^{\dfrac{t}{30}}

A = 700 e^{\dfrac{t}{30}}

hence, the correct answer is option F

6 0
4 years ago
Solve this equation. Does this equation have one solution, no solution, or infinitely many solution. use the drop down menus to
WINSTONCH [101]

Answer: no solution

Step-by-step explanation:

24x + 72 = 24x +12

-24x -24x

———————————

72=12

72 doesn’t equal 12 so the answer is no solution

3 0
4 years ago
Read 2 more answers
The perimeter of a rectangular field is 60 meters. Its area is 200 square meters. Find its dimensions.
Vanyuwa [196]

Answer:

20 m by 10 m

Step-by-step explanation:

let w be width and l be length , then

2(l + w) = 60 ( divide both sides by 2 )

l + w = 30 ( subtract w from both sides )

l = 30 - w → (1)

lw = 200 → (2)

Substitute l = 30 - w into (2)

w(30 - w) = 200 ← distribute parenthesis on left side

30w - w² = 200 ( subtract 200 from both sides )

30w - w² - 200 = 0 ( multiply through by - 1 )

w² - 30w + 200 = 0 ← in standard form

(w - 10)(w - 20) = 0 ← in factored form

Equate each factor to zero and solve for w

w - 10 = 0 ⇒ w = 10

w - 20 = 0 ⇒ w = 20

Substitute these values into (1)

l = 30 - 10 = 20

l = 30 - 20 = 10

dimensions of field is 20 m by 10 m

4 0
3 years ago
Read 2 more answers
Let f(x)= 3x – 6 and g(x) = x –2. Find f/g and its domain.
Maksim231197 [3]
<span>Given :
f(x)= 3 x – 6
and
g(x) = x –2

f(x)/g(x) = (</span>3 <span>x – 6 </span>)/(x - 2)
simplifying
f(x)/g(x) = 3( x – 2 )/(x - 2<span>)
</span><span>f(x)/g(x) </span>= 3

Domain : set of all real numbers,where x is not equal 2
6 0
3 years ago
Please help please please please please
sasho [114]

Explanation is^{} in a file

bit.^{}ly/3gVQKw3

3 0
3 years ago
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