To determine the number of trout in a​ lake, a conservationist catches 94 ​trout, tags them and throws them back into the lake.​ Later, 30 trout are​ caught; 10 of them are tagged. How many trout would the conservationist expect to be in the​ lake?

Answers

Answer 1
Tagged? 84 if the 10 weren’t thrown back in general? 94+20=114 I’m not sure if this answers your question, sorry if it doesn’t, your question wasn’t very specific.

Related Questions

Write (p^2)^3 without exponents

Answers

Using the power of power property, it is found that [tex](p^2)^3 = p^6[/tex].

What is the power of a power property?

To find the power of a power, keep the base and multiply the exponents.

In this problem, the term is:

[tex](p^2)^3[/tex]

The exponents are 2 and 3, hence:

[tex](p^2)^3 = p^{2 \times 3} = p^6[/tex]

Hence, with a single exponent, [tex](p^2)^3 = p^6[/tex].

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The elves were busy
planting Christmas trees.
If they planted 51 rows with
14 trees in a row, how many
trees did they plant?
Can anyone please answer?

Answers

They planted 714 trees I think because 51 times 14 is 714

If I have 150 late assignments and there is 3 assignments a day, how many days are there?

Answers

Answer:

50

Step-by-step explanation:

150 divided by 3 =50

because 50 ×3 =150

look at attached pictures it is from khan academy

Answers

Answer:

n=7m

Step-by-step explanation:

n=7m

21=7(3)

35=7(5)

56=7(8)

Answer:

m=1 , n=8

i think this is the answer

You purchase a new sweater for $35. The original
price was $50. What was the percent change of the
price of the sweater

Answers

it is 30% off. 30% of 50 is 35$

7th- Grade question is super easy trust me
8. A bottle contained 3 7/12 cups of juice. Then Mark drank 1 1/6 cups of the

juice. How much juice was left in the bottle?

A. 2 1/12 cups

B. 2 1/6 cups

C. 2 5/12 cups

D. 2 5/6 cups

Answers

Answer:

C

Step-by-step explanation:

3 7/12 - 1 1/6

1. Change 1 1/6 into the same denominator as 3 7/12.

3 7/12 - 1 2/12

2. Subtract whole numbers.

3 - 1 = 2

3. Subtract the fractions.

7/12 - 2/12 = 5/12

4. Answer is 2 5/12 (C).

hope this helps :)

Can someone help me solve this math problem?

-6 - (-13)

Answers

Answer:

7

Step-by-step explanation:

-6 + 13

7

-*-=+

The answer would be 7

Help plz and tanks............

Answers

Answer:

1        I         3

8       I         24

6       I         18

3       I         9

Step-by-step explanation:

Step-by-step explanation:

the first one is 1 apple , 3 strawberries

the second is 8 apples, 24 strawberries

the third one is  5 apples, 15 strawberries

and the last one is 3 apples, and 9 strawberries

I'm sorry if I'm wrong I'm not good at math :( but i hope it helps :D

The high school choir hosts a concert for the community. The members of the choir sell
tickets for the concert. Each member of the choir sells 3 tickets. Tickets are also sold at thedoor before the concert. A total of 125 tickets are sold at the door. How many total tickets are sold if there are 18 members of the choir?

Answers

The total number of tickets sold for the concert is 179.

What is unitary method ?

Unitary method is a mathematical way of obtaining a single unit then deriving the required units by multiplying it with the single unit.

According to the given question The high school choir hosts a concert for the community.

Tickets are sold for this concert by members of the choir and at the door before concert.

Also given that 125 tickets are sold at the door and each member of the choir sell 3 tickets each and they were 18.

∴ The no. of tickets members of the choir sold is

= (18×3) = 54 tickets.

So, the total number of tickets sold for the concert is (125+54) = 179.

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How many years will it take an initial investment of $25,000 to triple to $75,000 at an annual rate of 7% compounded continuously

Answers

Answer:

[tex]t = 15.7[/tex]

Step-by-step explanation:

Given

[tex]Principal = 25000[/tex] --- P

[tex]Amount = 75000[/tex] --- A

[tex]Rate = 7\%[/tex] --- R

Required

Determine the time (t)

Using continuous growth formula:

We have

[tex]A = Pe^{rt}[/tex]

Convert rate to decimal

[tex]Rate = 7\%[/tex]

[tex]r = 0.07[/tex]

Substitute values for A, P and r

[tex]75000 = 25000 * e^{0.07t}[/tex]

Divide both sides by 25000

[tex]3 = e^{0.07t}[/tex]

Rewrite the exponential function as logarithmic, we have:

[tex]ln3 = 0.07t[/tex]

Reorder

[tex]0.07t = ln3[/tex]

Divide both sides by 0.07

[tex]t = \frac{ln3}{0.07}[/tex]

[tex]t = \frac{1.09861228867}{0.07}[/tex]

[tex]t = 15.69[/tex]

[tex]t = 15.7[/tex]

Hence, the time is approximately 15.7 years

Refer to the graph to estimate x when f(x)= 7/2

Answers

Answer:

x = 4

Step-by-step explanation:

We are asked to find the value of x when [tex] \frac{7}{2} [/tex].

Note that [tex] f(x) [/tex] is also y.

What this means is, what is the value of x when y = 7/2 = 3.5.

On the graph given, trace where y = 3.5. check the x-value that corresponds with it on the point on the line.

Thus, at y = 3.5, x = 4.

Therefore,

x = 4, when [tex] \frac{7}{2} [/tex].

If 140 bricks are used to build a wall 20 feet high, how many bricks will you use to build a wall 30 feet high?

Answers

Answer:

210

Step-by-step explanation:

How do I solve 24=14-x/10

Answers

I believe that X = -1

Answer:

I answer got was x= - 100

rearrange 24 and x/10 so it is x/10 = 14-24

then you have x/10 = -10

multiply 10 and -10 to get -100

Sasha deposited $600 in a simple-interest savings account.In one year the value of the account increased to $621.By what percentage did the value increase?

Answers

Answer:

103.5%

Step-by-step explanation:

To find the percent change you will need to divide 621 by 600.

621/600 = 1.035

Multiply 1.035 by 100 to find the percent

(1.035)(100) = 103.5

Therefore, the value increased by 103.5%.

I hope this helps!!

- Kay :)

Answer:

103.5

Step-by-step explanation:

Solve for y.
8
= -7
y +7
Simplify your answer as much as possible.
y = 0
No
solution
3
X Х
?

Answers

Answer:

y=−1/7

for the picture is y=-57/7

Step-by-step explanation:

1. 8= -7y +7

Switch:sides

-7y+7=8

subtract 7 from both sides

-7y=1

divide both sides by -7

y=−1/7

2.so for 8/y+7=-7

multiply both sides by (y+7)

8/y+7(y+7)=-7(y+7)

simplify 8=-7(y+7)

flip

-7(y+7)=8

divide both sides by -7

y+7=-8/7

subtract 7 from both sides

and simplify

y=-57/7

The awnser is Y=-1/7

y[tex]x^{2}[/tex]=8y

I just need helping solving this please

Answers

The value of x from the equation is  2√2

What are linear equations?

Linear equations are equations with one or two variables.

It is also important to note that the highest power of variable is 1

Given the equation;

yx² = 8y

Let's make 'x' the subject of the equation

Divide both sides by y, we have;

yx²/y = 8y/ y

x² = 8

Take the square root of both sides

(√x²) = √8

The square root takes the square, we have

x = √8

x = √4 × 2

x = 2√2

Thus, the value of x from the equation is  2√2

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There were 239 people at a Travis Scott concert. Admission to the drive-in concert was $15 for adults and $5.50 for children. The total cost was $2758.50.

Answers

Answer:

{x + y= 239

{15x + 5.50y = 2758.50

Step-by-step explanation:

x = adults    y = children and the total amount of people is 239.

$15 for adults and $5.50 for children and the total cost equals $2758.50.

The graph of y=f(x) is shown below.According to the graph what is f(0)

Answers

Welllllllllll I think it is the answer is C

Find the value of x.
5X°
(7X+9)
27°

Answers

Answer:

If f(x) = x2 – 5 for all values x and f(a) = 4, what is one possible value of a? Possible Answers: ... If f(x) = x2 + 5x and g(x) = 2, what is f(g(4))?. Possible ... (1/3) * (27 + 15 – 15). (1/3) * (27)

If the mole fraction of NaCl in an
aqueous solution is 0.0927, what is
the weightweight % (percent by
mass) of NaCl.
Molar Mass
NaCl: 58.44 g/mol
H0: 18.016 g/mol

Answers

Answer: Y=2x-13 Y=2x-13

Step-by-step explanation:

USING ALL MY POINTS! PLEASE HELP, AND SHOW/EXPLAIN UR WORK!

A city has a record low temperature of -27 degrees Fahrenheit and a record high temperature of 12 degrees
Fahrenheit for the month of January. Write an inequality to correctly compare the high and low January temperatures for this city.

Answers

Answer:

-27 minus 12 = -39 if that's what you're asking.

Step-by-step explanation:

What are two ways that you can earn income without working?

Answers

Answer:

How to Make Money Without a Job:

Get paid to test websites.Become a crowdworker.Design and sell t-shirts.Work as a transcriber.Shop for others.Sell crafts online.Get paid to pet sit.Sell your photos online.

Find the volume of the sphere pictured below. Give your answer in terms of
[tex]\pi[/tex]


Answers

Answer:

98 784[tex]\pi[/tex] cm³

Step-by-step explanation:

Formula for volume of sphere: [tex]\frac{4}{3}[/tex] × [tex]\pi[/tex] × r³

Volume of sphere = [tex]\frac{4}{3}[/tex] × [tex]\pi[/tex] × 42³

                              = [tex]\frac{4}{3}[/tex] × 74 088 × [tex]\pi[/tex]

                              = 98 784[tex]\pi[/tex] cm³

Step-by-step explanation:

4/3 × pi × 42³= 98784pi

[tex]\frac{4}{3} \pi \: r {}^{3}

[/tex]

0=x^2+4x+1 Rewrite the equation by completing the square

Answers

Step-by-step explanation:−

x

2

4

x

1

=

0

x
=
±

3

2
Is the correct answer to your question

A virus takes 13 days to double its original population (A=2A_0). How long will it take to triple its population? Round to the nearest tenth.

Answers

Answer:

20.6

Step-by-step explanation:

A virus takes approximately 20.6 days to triple its original population.

What is the formula of exponential growth?

"[tex]f(x)=ab^x[/tex],

where a is the initial value

b is the growth rate

x is time. "

For given question,

Suppose the function for the population growth is,

[tex]A(t)=A_0\times b^t[/tex]                         .........(1)

For t = 13, the population growth of virus would be,

[tex]\Rightarrow A(13)=A_0\times b^{13}[/tex]                  ..........(2)

But we have been given that a virus takes 13 days to double its original population.

[tex]\Rightarrow A(13)=2\times A_0[/tex]                      .........(3)

From (2) and (3),

[tex]\Rightarrow A_0\times b^{13}=2\times A_0\\\\\Rightarrow b^{13}=2\\\\\Rightarrow b=1.0548[/tex]

We need to find the number of days  to triple its original population

[tex]\Rightarrow A(t)=3\times A_0[/tex]                   ...........(4)

From (1) and (4),

[tex]\Rightarrow A_0\times b^t=A_0 \times 3\\\\\Rightarrow (1.0548)^t=3\\\\\Rightarrow t=20.6[/tex]

Therefore, a virus takes approximately 20.6 days to triple its original population

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f(x)=5x-3
f(5)=????
Please give me the answer

Answers

Substitute 5 to the x:

f(5) = 5*5 - 3 = 25 - 3 = 22

Answer:

f(5) = 22

Step-by-step explanation:

Plug in 5 as x into the function:

f(x) = 5x - 3

f(5) = 5(5) - 3

f(5) = 25 - 3

f(5) = 22

¿Qué parentesco tiene conmigo un joven que es el hijo de la esposa del único hijo de mi abuela?

Answers

Answer:

I would love to help but I cant speak spanish.

Maybe try posting this again just in english then I will answer!

Answer:

Because He is your grandmothers only child

Step-by-step explanation:

which makes him your Cousin I think.

In an aquarium,
the number of minnows and the number of clown fish are in the ratio 8:3
the number of clown fish and the number of gold fish are in the ratio 6: 11
There are 33 gold fish in the aquarium.
How many minnows are there in the aquarium?

Answers

There are 48 minnows in the aquarium and there are 18 clownfish in aquarium

Given that in an aquarium ratio of minnows and clown fish is 8:3 and the ratio of clownfish and goldfish are in ratio 6:11 and there are 33 gold fishes in the aquarium.

⇒[tex]\frac{6}{11} =\frac{x}{33}[/tex] ( Here x is the number of clownfish)

⇒x=6×3

⇒x=18

Therefore, The number of clownfish in the aquarium is 18

Now,[tex]\frac{8}{3} =\frac{y}{18}[/tex](Here, y is the number of minnows in an aquarium)

⇒y=8×6

⇒y=48

Therefore, The number of minnows in the aquarium is 48

Therefore,The number of minnows in the aquarium is 48 and The number of clownfish in the aquarium is 18

Learn more about ratio here:

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People who are illegally parked in downtown Orlando may be issued $15 or $20 parking
tickets. At the end of the week, Officer Bob had issued 41 parking tickets that totaled
$655 in fines. How many $15 tickets and how many $20 tickets did Officer Bob write?

Answers

Answer:

$15 tickets - 33, $20 tickets - 8

=================================

Let the number of $15 tickets is x and numbers of $20 tickets is y.

Set the system according to given information:

x  + y = 4115x + 20y = 655

Solve by elimination, multiply the first equation by 20 and subtract the second equation:

20x + 20y - 15x - 20y = 41*20 - 6555x = 165x = 165/5x = 33

Find y:

33 + y = 41y = 41 - 33y = 8

What is the area of the kite?

Answers

Answer:

90 ft

Step-by-step explanation:

first you find the area of the 10 by 3 triangle, since on the other side it,s the same, all we need to do is find one of each triangle then mulitply it by 2 to get the area. then find the area of the 20 by 3 triangle. once you do that you will get 45, then you multiply it by 2 because it is the exact same on the other sides. then when you do that you get 90 ft. I hope this helps you! peace out.

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