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earnstyle [38]
3 years ago
7

4. An initial population of 825 quail increases at an

Mathematics
1 answer:
OLga [1]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The general form of compound growth formula is:

F=P(1+r)^t

Where

F is the future amount

P is the initial amount

r is the rate of growth in decimal

t is the time in years

In the problem, initially there is 825 quail, so

P = 825

The future amount is given as "Y", so we will replace "F" of formula by "Y"

The rate of growth in 13%. This converted to decimal is:

13/100 = 0.13

The time is 3 years, so t = 3

Now, we substitute and find the model equation:

F=P(1+r)^t\\Y=825(1+0.13)^3\\Y=825(1.13)^3

Correct answer choice is A

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Determine the missing dimension
densk [106]

Answer:

Of what?

Step-by-step explanation:

8 0
3 years ago
A person standing on level ground is 2000 feet away from the foot of a 420-foot-tall building, as shown in the accompanying diag
antoniya [11.8K]

Answer:

12

Step-by-step explanation:

The formula for the tangent of an angle is the length of the opposite side divided by the length of the adjacent side. Therefore, the tangent of angle x is 420/2000=0.21. Taking the arctangent of that to get the angle, you get about 12 degrees. Hope this helps!

7 0
3 years ago
What are the x-intercept and y-intercept of the graph of y=13x−6 ?
gtnhenbr [62]
To find the x-int., let y = 0 and solve for x:  13x = 6, so x = 6/13:  (6/13, 0)

To find the y-int., let x =0 and read off the y-int:  (0, -6)
7 0
3 years ago
Read 2 more answers
a street light is at the top of a 18 ft tall pole. a woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a s
shutvik [7]

The most appropriate choice for similarity of triangles will be given by -

Speed of tip of the shadow of woman  = 6 ft/s

What are similar triangles?

Two triangles are said to be similar, if the corrosponding angles of the triangles are same and the corrosponding sides of the triangles are in the same ratio.

Here,

The diagram has been attached here

Let the distance of woman from the pole be x ft and the distance of tip of the shadow to the pole be y ft.

Height of street light = 18 ft

Height of woman = 6ft

The two triangles are similar [As height of woman is parallel to the height of pole]

\frac{y - x}{6}=\frac{y}{18}\\18y - 18x = 6y\\18y - 6y = 18x\\12y = 18x\\y = \frac{18}{12}x\\y = \frac{3}{2}x\\

To find the speed, we have to differentiate both sides with respect to time 't'

\frac{dy}{dt} =\frac{3}{2}\frac{dx}{dt}\\\frac{dy}{dt}=\frac{3}{2} \times 4\\\frac{dy}{dt} = 6

Speed of tip of her shadow = 6 ft

To learn more about similarity of triangles, refer to the link-

brainly.com/question/14285697

#SPJ4

6 0
1 year ago
• A. All real numbers
ziro4ka [17]

Answer:

Option C

Step-by-step explanation:

you cancel the whole parentheses.

So you know, x+6 can't equal to 0.

that's why there is a choice that is all real numbers but not -6.

7 0
2 years ago
Read 2 more answers
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