A certain forest covers an area of 2100 km^2. Suppose that each year this area decreases by 5.25%. What will the area be after 6 years

Answers

Answer 1

Answer:

The area after 6 years is [tex]1519.49km^2[/tex]

Step-by-step explanation:

Given

[tex]a = 2100[/tex] --- Initial Value

[tex]r = 5.25\%[/tex] --- Rate

Required

Determine the area after 6 years

Because the area reduces,, the following formula will be used to solve the question.

[tex]y = a*(1 - r)^t[/tex]

Here

[tex]t = 6[/tex]

So, we have:

[tex]y = 2100*(1 - 5.25\%)^6[/tex]

Convert percentage to decimal

[tex]y = 2100*(1 - 0.0525)^6[/tex]

[tex]y = 2100*(0.9475)^6[/tex]

[tex]y = 1519.47866516[/tex]

[tex]y = 1519.49[/tex] -- approximated

The area after 6 years is [tex]1519.49km^2[/tex]


Related Questions

Which expression is a trinomial?
x + y – 13
4xyz

Answers

Answer:

x+y-13

Step-by-step explanation:

A polynomial with three terms is called a trinomial.

rate brainliest if very helpful

two adjacent angles of a parallelogram are in the ratio 5:2: . find all the angles of the parallelogram​

Answers

Given :-

Two adjacent angles of a parallelogram are in the ratio of 5 : 2.

To Find :-

What is the all angles of the parallelogram.Solution :-

Let, the first angles be 5x

And, the second angles will be 2x

As we know that,

★ Sum of all angles = 180° ★

According to the question by using the formula we get,

⇒ 5x+2x=180°

⇒7x=180°

⇒ [tex]\sf x =\: \dfrac{\cancel{180^{\circ}}}{\cancel{7}}[/tex]

➠ [tex]\sf\bold{\red{x =\: 25.7^{\circ}}}[/tex]

Hence, the required angles are,

First angles = 5x = 5(25.7°) = 128.5°Second angles = 2(25.7°) = 51.4°

As we know that, 

opposite angles in a parallelogram

is equal.

∴ The all angles of a parallelogram is 128.5°,51.4°, 128.5° and 51.4°.

Select all the correct answers.

Janine needs to calculate the value of log , 81

Which expressions could she input into her calculator to find this value?

In 81

12



in 81

In 12

log 81

log 12

log 81

In 12

log 12

log 81

Answers

Answer:

In 81 / In 12 ;

log 81 / log 12

Step-by-step explanation:

Log 12 81

Log 81 base 12

According to rule of logarithm :

Log 81 base 12 = (log 81 base 10) / log 12 base 10)

Obtaining the value :

(log 81 base 10) / log 12 base 10) = 1.7684564

Using trial and error method :

log 81 / In 12 = 0.7680308

In 81 / In 12 = 1.7684564

In 81 / 12 = 0.3662040

Hence, the correct answers are :

In 81 / In 12

log 81 / log 12

A. A
Which list is in order from least
greatest? 3/8 2/5 3/4 2/3

Answers

Answer:

Answer:

Order from Least to Greatest

3/8 < 2/5 < 2/3 < 3/4

Step-by-step explanation:

Which of the expressions are equivalent to the one below? Check all that apply.


4 • (8 + 3)

A. (4 • 8) + 3

B. (8 + 3) • 4

C. 4 • (3 + 8)

D. 4 • 8 + 4 • 3

Answers

Step-by-step explanation:

We need to find an expression that is equivalent to 4×(8+3)

We know that,

4×(8+3) = 4(11) = 44

Option (1).

(4 • 8) + 3 = 32+3 = 35. It is incorrect

Option (2).

(8 + 3) • 4 = (11) 4 = 44. It is correct.

Option (3).

4 • (3 + 8) = 4(11) = 44. It is correct.

Option (4).

4 • 8 + 4 • 3 = 32+12 = 44. It is correct.

Hence, the correct options are (2), (3) and (4).

.Joseph drove 130 miles in 2.5 hours. Which equation can be used to
calculater, the average speed at which Joseph drove?
A . r=130-2.5
B.r=130/2.5
C.130=r/2.5
D.130=r+2.5

Answers

Answer:

c

Step-by-step explanation:

PLEASE GIVE BRANLIEST

A university lecture hall has 100 seats. During class, 30% of the seats are empty. How many students are attending class?

Answers

Answer:

70 students are attending class

Step-by-step explanation:

100% - 30% = 70%

Answer:

70 students

Step-by-step explanation:

100=100% so -30 to get 70 students

Two angle of a tranigle measure 55 and 20 what is the measure of the third angle

Answers

Answer:

105 degrees

Step-by-step explanation:

Recall that the sum of angles in a triangle is 180 degrees. As such, where a, b and c are the angles of a triangle then

a + b + c = 180 ( all in degrees)

Given that two angles of a triangle measure 55 and 20, let the size of gthe 3rd be T then

55 + 20 + T = 180

simplify

75 + T = 180

Subtract 75 from both sides

T = 180 - 75

T = 105

16, -6.4, 2.56, ..., 6th term
The 6th term of the sequence is

Answers

Answer:

the 6th term is = -0.16384

Step-by-step explanation:

Notice this is a geometric sequence with first term 16, and common ratio (-0.4)

Therefore the first 6 terms of the sequence are:

a1 = 16

a2 = 16 * (-0.4) = -6.4

a3 = -6.4 * (-0.4) = 2.56

a4 = 2.56 * (-0.4) = -1.024

a5 = -1.024 * (-0,4) = 0.4096

a6 = 0.4096 * (-0.4) = -0.16384

The the 6th term is = -0.16384

what is the radius with an area of 2.25cm squared?​

Answers

Answer:

9 centimeters He said squared And radius...

(づ ̄ ³ ̄)づHave a nice day

A machine can make 165 granola bars in 3 minutes. At this rate, how many granola bars can the machine make in 7 minutes?

Answers

165/3=55 55x7=385 granola bars in 7 min

Find the nth term for the following question: -5,-2,3,10,19​

Answers

Answer:

[tex]T_n = 2n - 1 + T_{n-1}[/tex]

Step-by-step explanation:

Given

[tex]Sequence: -5,-2,3,10,19[/tex]

Required

Find the nth term

We have:

[tex]T_1 = -5[/tex]

[tex]T_2 = -2 = 3 - 5 = 3 + T_1[/tex]

[tex]T_3 = 3 = 5 - 2 = 5 + T_2[/tex]

[tex]T_4 = 10 = 7 + 3 = 7 +T_3[/tex]

[tex]T_5 = 19 = 9 + 10 = 9 + T_4[/tex]

This gives:

[tex]T_2 = 3 + T_1 = 4 - 1 + T_1[/tex]

[tex]T_3 = 5 + T_2 = 6 - 1 + T_2[/tex]

[tex]T_4 = 7 +T_3 = 8 - 1 + T_3[/tex]

[tex]T_5 = 9 + T_4 = 10 - 1 + T_4[/tex]

---

Solving further, we have:

[tex]T_2 = 4 - 1 + T_1 = 2 * 2 - 1 + T_1[/tex]

[tex]T_3 = 6 - 1 + T_2 = 2 * 3 + T_2[/tex]

[tex]T_4 = 8 - 1 + T_3 = 2 * 4 - 1 + T_3[/tex]

[tex]T_5 = 10 - 1 + T_4 = 2 * 5 - 1 + T_4[/tex]

Following the above sequence: the nth term is:

[tex]T_n = 2n - 1 + T_{n-1}[/tex]

The area of a rectangle is 2- 3/4 inch. ^2 If the length of the rectangle is 1/2 inch, what is the measurement of the width?

Answers

Answer:

The width of the rectangle = 1.15 inches

Step-by-step explanation:

Explanation:-

Given that the length of the rectangle = [tex]\frac{1}{2} inch[/tex]

The area of the rectangle = [tex]\frac{2.3}{4}[/tex] inch²

We have to find the width of the rectangle

The area of the rectangle = length × width

                                  [tex]\frac{2.3}{4} = \frac{1}{2} X width[/tex]

                    ⇒     2 × 2.3 = 4× width

                   ⇒      4.6 = 4 w

                  ⇒      w = 1.15 inches

Final answer:-

The width of the rectangle = 1.15 inches

What expression is not equivalent to 8 + (n - 4)?
A. (8 + n) - 4
B. n + 4
C. 12 + n
D. (8 - 4) + n

Answers

C. 12+n because n+4 is the answer the the question as well as A. And D.
C. 12 + n ....................

What is the solution to the equation?

Answers

Answer:

C- t=411

Step-by-step explanation:

there is this really cool site/app called

math

way

it helps for everything, just use it

Please. help me guys. ​

Answers

Answer:

40

Step-by-step explanation:

there are 4 quarters so if one quarter is 10 then 4 quarters are 40

10 x 4 = 40

pls help
I suck at this

Answers

Answer:

65

Step-by-step explanation:

We know that one angle is 50 degrees, so the angle supplementary to it will be 180-50, or 130 degrees.

Since these two lines are parallel, then the angle supplementary to 2x will be equal to 50 degrees, giving us 2x = 130 degrees, and x = 65 degrees.

Let me know if this helps!

side length z =

angle d =

Answers

side length z=20
angle d=53

since they are similar triangles, angles should be the same, therefore,
d=53

if we consider the ration between the sides of the first triangle, its,
6:8:10 = 3:4:5 (when divided by the least common factor; 2)

by applying the same ratio for the second triangle, we can get,
15:20:25 (u can first divide both 15 and 25 by 5 and then multiply each term in 3:4:5 by 5)

therefore, z=20

Evaluate:
65−15÷5 +(−19)​

Answers

The answer is 44 by using pemdas.

Answer:

43

Step-by-step explanation:

65-15/5+(-19)

65-3+(-19)

62-19=43

Please help ASAP!!!!!!!!

Answers

Answer:

A=hb3/2

Step-by-step explanation:

A=1/2(hb1+hb2)

A=hb1+hb2/2

A=hb3/2

Jason is making pumpkin bread. He needs 4 cups of pumpkin for every 3 cups of sugar. What is the ratio of cups of sugar to cups of pumpkin that Jason will need?

A. 3 to 4
B. 4 to 3
C. 4 to 7
D. 7 to 3​

Answers

3 to 4 hope this helps!

Answer:

3 to 4 - A

Step-by-step explanation:

Akiko shot 204 baskets in 17 minutes. Find her basket rate in baskets per minute

Answers

Answer:

204/17

Step-by-step explanation:

and then you should get your answer

Answer:

12 baskets/per minute

Step-by-step explanation:

so u know that she can shoot in 204 baskets in 17 u just need to take 204 divided by 7 to figure out how many she makes per minute. ( 204 ÷ 7 = 12 )

Look at the picture

Answers

9514 1404 393

Answer:

  A

Step-by-step explanation:

When angles are between the parallel lines, they are called interior. If they are both on the same side of the transversal, they are "same-side interior."

If angles are on opposite sides of the transversal, they are exterior.

If angles are in the same direction from the intersection point, they are corresponding.

Angles in opposite directions from the point of intersection are vertical angles.

  same-side interior: {3, 5} and {4, 6}. (supplementary)

  same-side exterior: {1, 7} and {2, 8}. (supplementary)

  alternate interior: {3, 6} and {4, 5}. (congruent)

  alternate exterior: {1, 8} and {2, 7}. (congruent)

  corresponding: {1, 5}, {2, 6}, {3, 7}, {4, 8}. (congruent)

  vertical: {1, 4}, {2, 3}, {5, 8}, {6, 7}. (congruent)

Angles 6 and 4 are same-side interior angles; their sum is 180°.

Factor each expression, if possible. Identify any special cases, such as the difference of squares or a perfect square trinomial xy-4y+2x-8

Answers

Answer:

[tex]xy-4y+2x-8 = (y + 2)(x-4)[/tex]

Step-by-step explanation:

Given

[tex]xy-4y+2x-8[/tex]

Required

Factor the expression

[tex]xy-4y+2x-8[/tex]

Group the expression

[tex](xy-4y)+(2x-8)[/tex]

Factor each group

[tex]y(x-4)+2(x-4)[/tex]

This gives:

[tex](y + 2)(x-4)[/tex]

Hence:

[tex]xy-4y+2x-8 = (y + 2)(x-4)[/tex]

Simplify the expression by combining like terms.

16 - 2v + 3

a
2v + 19
b
-2v + 13
c
2v + 13
d
-2v + 19

Answers

Answer:

d

Step-by-step explanation:

16 - 2v + 3

-2v + 3 + 16

-2v + 19

Answer d

Answer:

D) -2v + 19

Step-by-step explanation:

Combined like terms:

16 - 2v + 3

1. Add 16 and the +3 to combine these terms

-2v + (16 + 3) = -2v + 19

Ken door is 2.29 meters tall. How many centimeter tall is his door

Answers

Answer:

229

Step-by-step explanation:

The downtime per day for a computing facility has mean 4 hours and standard deviation .8 hour. Suppose that we want to compute probabilities about the average daily downtime for a period of 30 days.
i. What assumptions must be true to use the result of Theorem 7.4 to obtain a valid approximation for probabilities about the average daily downtime?
ii. Under the assumptions described in part (i), what is the approximate probability that the average daily downtime for a period of 30 days is between 1 and 5 hours?

Answers

Answer:

1

Step-by-step explanation:

Given :

Mean, μ = 4

Standard deviation, s = 0.8

Sample size, n = 30

The distribution is independent.

Z = (x - μ) / s /sqrt(n)

Probability that downtime period is between 1 and 5

P(1≤ x ≤ 5) :

[(x - μ) / (s /sqrt(n))] ≤ Z ≤ [(x - μ) / (s /sqrt(n))]

[(1 - 4) / (0.8 /sqrt(30))] ≤ Z ≤ [(5 - 4) / (0.8 /sqrt(30)]

[-3 / 0.1460593] ≤ Z ≤] 1 / 0.1460593]

P(-20.539602 ≤ Z ≤ 6.8465342)

P(Z ≤ 6.8465342) - P(Z ≤ - 20.5396)

P(Z ≤ 6.8465342) = 1 (Z probability calculator)

P(Z ≤ - 20.5396) = 0 (Z probability calculator)

1 - 0 = 1

Pentagon VWXYZ below has an interior angle sum of 540°. Pentagon V W X Y Z. Angle Z is 94 degrees, angle Y is 120 degrees, angle X is 120 degrees, angle W is 94 degrees, and angle V is unknown. What can be determined about Angle V? Angle V is a right angle that measures 90°. Angle V is an acute angle that measures less than 90°. Angle V is a straight angle that measures 180°. Angle V is an obtuse angle that measures 112°.

Answers

Answer:

D.) <V is an obtuse angle that measures 112.

yw ig

Answer:

D

Step-by-step explanation:

yes

Solve (2x - 1)^2 = 9.
A. X = 2, -1
B. X = -2,1
C. x = -2, -1
D. X = 2,1​

Answers

Answer:

x=2, -1

Step-by-step explanation:

The student council raised $2,790 during its annual fundraiser. The money was shared equally among the Events Committee, the Sports Committee, and the Sunshine Committee. a. The Sports Committee wants to use its share of the money to purchase t-shirts. If each t-shirt costs $12, what is the greatest number of t-shirts the Sports Committee can purchase? The greatest number of t-shirts that the Sports Committee can purchase is .

Answers

Answer:

The greatest number of t-shirts that the Sports Committee can purchase is 232.

Step-by-step explanation:

The student council raised $2,790 during its annual fundraiser.

Each t-shirt costs $12.

The total cost of buying x t-shirts is given by:

[tex]T(x) = 12x[/tex]

What is the greatest number of t-shirts the Sports Committee can purchase?

The total cost has to be lesser, or equal, to 2790. So

[tex]T(x) \leq 2790[/tex]

[tex]12x \leq 2790[/tex]

[tex]x \leq \frac{2790}{12}[/tex]

[tex]x \leq 232.5[/tex]

Since you cant buy half a shirt.

The greatest number of t-shirts that the Sports Committee can purchase is 232.

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