The population of the island after 10 years will be approximately 2385.
What is the formula for exponential growth and exponential decaying function?The formula for exponential growth is \(y = y_0e^{(kt)}.\)
The formula for exponential decay is \(y = y_0e^{(-kt)}\).
Increases in a population's or a dispersed group's membership are referred to as population growth. The actual annual increase in the human population is about 83 million, or 1.1%.
Given, an island's population grows exponentially and the continuous growth rate is 3% per year and the current population is 1,767.
∴ The population be 10 years from now will be,
\(y_{10} = y_0e^{(0.03)\times10}\).
We have written 3% as a decimal and it is the correct way of putting it into the formula for exponential growth or decaying equations.
\(y_{10} = 1767e^{0.3}\).
\(y_{10} = 1767\times1.35\).
\(y_{10} = 2385\).
learn more about exponential growth here :
https://brainly.com/question/12490064
#SPJ2
6x ( 2/3 divided by 2)+ 0.5
Answer:
2.5
Step-by-step explanation:
Given expression:
\(6 \times \left(\dfrac{2}{3} \div 2\right)+0.5\)
Following the order of operations (PEDMAS), carry out the calculation inside the parentheses first.
When dividing a fraction by a whole number, first covert the whole number into a fraction:
\(\implies 6 \times \left(\dfrac{2}{3} \div \dfrac{2}{1}\right)+0.5\)
When dividing fractions, flip the second fraction (swap the numerator and denominator), then multiply:
\(\implies 6 \times \left(\dfrac{2}{3} \times \dfrac{1}{2}\right)+0.5\)
\(\implies 6 \times \left(\dfrac{2 \times 1}{3\times2}\right)+0.5\)
\(\implies 6 \times \left(\dfrac{2}{6}\right)+0.5\)
\(\implies 6 \times \dfrac{2}{6}+0.5\)
Now carry out the multiplication:
\(\implies \dfrac{6 \times2}{6}+0.5\)
\(\implies \dfrac{\diagup\!\!\!\!6 \times2}{\diagup\!\!\!\!6}+0.5\)
\(\implies 2+0.5\)
Finally carry out the addition:
\(\implies 2.5\)
2.5
6*(2/3)/2 + 0.5
6*1/3 + 0.5
2 + 0.5
=2.5
Which answers below are correct for this equation ( select ALL true answers).
x - 10= 2xy
A. x =20
B. x= 12.5
C. y= 212
D. Need more information to solve.
Answer:
huh
Step-by-step explanation:
Help me please this delta math has to be done today
hola ny yo no puedo y quiero la respuesta
Answer:
B.
21---------------->7
24--------------->8
27--------------->9
Step-by-step explanation:
Since there are 21 cheesecakes for every 7 blocks of cream cheese, we can set up the an equation
So that means there are 3 cheesecakes for every block of cream cheese
So we can create a table
3----------------->1
6------------------>2
9----------------->3
12---------------->4
15---------------->5
18---------------->6
21---------------->7
24--------------->8
27--------------->9
The equation would be:
y = 3x
21 = 3(7)
3x - 17 = 2x + 35
Please help
Answer:
\(x = 52\)
Step-by-step explanation:
We have the following equation:
\(3x -17=2x+35\)
First we simplify the numbers.
\(3x -17+17=2x+35+17\)
\(3x=2x+52\)
\(3x-2x=2x-2x+52\)
\(x=52\)
Answer:
x = 52
General Formulas and Concepts:
Order of Operations: BPEMDAS
Step-by-step explanation:
Step 1: Define equation
3x - 17 = 2x + 35
Step 2: Solve for x
Subtract 2x on both sides: x - 17 = 35Add 17 to both sides: x = 52Step 3: Check
Plug in x to verify it's a solution.
Substitute: 3(52) - 17 = 2(52) + 35Multiply: 156 - 17 = 104 + 35Subtract/Add: 139 = 139Which equation has exactly one solution?
A. 10x - 3x + 20 + 45 = 100 + 7x - 3
B. 4x - 3x = 10(3 - x) + 11x
C. 10x - 20 + 45 = 19 + 7x + 3(2 + x)
D. 9(x - 3) + 28 = 4x - 3
Answer:
The answer is D
Step-by-step explanation:
9(x + -3) + 28 = 4x + -3
Reorder the terms:
9(-3 + x) + 28 = 4x + -3
(-3 * 9 + x * 9) + 28 = 4x + -3
(-27 + 9x) + 28 = 4x + -3
Reorder the terms:
-27 + 28 + 9x = 4x + -3
Combine like terms: -27 + 28 = 1
1 + 9x = 4x + -3
Reorder the terms:
1 + 9x = -3 + 4x
Solving
1 + 9x = -3 + 4x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-4x' to each side of the equation.
1 + 9x + -4x = -3 + 4x + -4x
Combine like terms: 9x + -4x = 5x
1 + 5x = -3 + 4x + -4x
Combine like terms: 4x + -4x = 0
1 + 5x = -3 + 0
1 + 5x = -3
Add '-1' to each side of the equation.
1 + -1 + 5x = -3 + -1
Combine like terms: 1 + -1 = 0
0 + 5x = -3 + -1
5x = -3 + -1
Combine like terms: -3 + -1 = -4
5x = -4
Divide each side by '5'.
x = -0.8
Simplifying
x = -0.8
Answer:
the correct answer is D. 9(x-30) + 28 = 4x - 3
Step-by-step explanation:
Sam has a deck that is shaped like a triangle with a base of 18 feet and a height of 7 feet. He plans to build a 2:5 scaled version of the deck next to his horse's water trough.
Part A: What are the dimensions of the new deck, in feet? Show every step of your work. (4 points)
Part B: What is the area of the original deck and the new deck, in square feet? Show every step of your work. (4 points)
Part C: Compare the ratio of the areas to the scale factor. Show every step of your work. (4 points)
The 2 : 5 scaled version of the deck Sam plans to build and the dimensions of the original deck indicates;
Part A; Base length of the new deck = 7.2 feet
Height of the new deck = 2.8 feet
Part B; The area of the original deck is 63 square feet
The area of the new deck is 10.08 square feet
Part C; The ratio of the areas is the square of the scale factor
What is a scale factor?A scale factor is a number or factor that is used to enlarge or reduce the dimensions a shape or size of a figure.
The base length of the triangular deck = 18 feet
The height of the triangular deck = 7 feet
The scale factor for the scaled version Sam intends to build = 2 : 5
Part A; The dimensions of the new deck are;
Base length of the new deck using the the 2 : 5 ratio is; (2/5) × 18 = 7.2 feet
The height of the new deck = (2/5) × 7 = 2.8 feet
Part B; The area of the original deck = (1/2) × 18 × 7 = 63 square feet
Area of the new dec = (1/2) × 7.2 × 2.8 = 10.08 square feet
Part C; The ratio of the areas is; 10.08/63
Ratio of the area = 10.08/63 = 4/25 = 4 : 25
The scale factor is; 2 : 5
Therefore, the ratio of the area is the square of the scale factorLearn more on scale factors here: https://brainly.com/question/28822248
#SPJ1
Gary's daily jogging track is 0.9 miles long. In how many days will she have covered a distance of 27 miles?
Answer:
30 days.
Step-by-step explanation:
27 ÷ 0.9 = 30.
Answer:
in 30 days she will reach 27 miles.
Step-by-step explanation:
27 miles / 0.9 miles = 30 days
Evaluate 51x3 - 21 + 7 when x = -2.
DONE
Answer:
-320 i guess
Step-by-step explanation:
51*-2*3-21+7=-320
dog is congruent to GED?
Answer:
Yes
Step-by-step explanation:
The Angles are the exact same.
Hope I helped! Please leave a review or rating!
Which of the following represents an INEFFICIENT point of production?
a. Point A
b. Point B
c. Point D
d. None
e. Point C
The point that represents an INEFFICIENT point of production is point A.
The correct answer is an option (a)
In this question we have been given a graph of Skateboards vs. Bikes.
We need to find the point that represents an INEFFICIENT point of production.
Inefficient production means the economy can be producing more goods without using any additional resources.
In given production possibility curve, an INEFFICIENT point of production is point A.
Therefore, the point that represents an INEFFICIENT point of production is point A.
The correct answer is an option (a)
Learn more about Inefficient point of production at:
https://brainly.com/question/17351763
#SPJ1
The height of Debbie is 85 centimetres. The height of Leo is 90 centimetres. Write the height of Debbie as a fraction of the height of Leo. Give your answer in its simplest form.
To write the height of Debbie as a fraction of the height of Leo in its simplest form is this: 17/18.
What does it mean to write a figure as a fraction of another?Writing one figure as a fraction of another can be done by representing the figures as numerators and denominators. In this case, what we will have is 85/90. That is the height of Debbie divided by the height of Leo.
To express this fraction in its simplest form will mean dividing the figures until they can no longer be divided. Using 5 as a common factor for dividing, we can conclude that the simplest form of the answer is 17/18.
Learn more about fractions here:
https://brainly.com/question/1622425
#SPJ1
A line passes through the point (-4,-20) and has a slope of 3. Write an equation of the line satisfying the given conditions. Write the answer in slope-intercept form
9514 1404 393
Answer:
y = 3x -8
Step-by-step explanation:
The point-slope form of the equation of a line can be a useful place to start.
y -k = m(x -h) . . . . . line with slope m through point (h, k)
y +20 = 3(x +4) . . . . with given numbers filled in
y = 3x +12 -20 . . . . eliminate parentheses, subtract 20
y = 3x -8 . . . . . . . . slope-intercept form
PLEASE HELP WITH THIS ONE QUESTION
Answer:
Take the B
Step-by-step explanation:
Amanda is going to build some large wooden storage boxes. The boxes are shaped like rectangular prisms, as shown below. She wants to cover all the sides of each box with special wallpaper. If she has a total of of wallpaper, how many boxes can she cover?
The number of boxes that Amanda can cover with W square inches of wallpaper will be equal to W/2(lw + lh + wh).
Let's assume that Amanda wants to build n wooden storage boxes. All of these boxes are shaped like rectangular prisms, as shown in the image below.
She wants to cover all the sides of each box with special wallpaper. If she has a total of W square inches of wallpaper, we need to find out how many boxes she can cover. Let's solve this problem mathematically.
Mathematical Solution:
Each rectangular prism has six sides (faces). If we want to cover all the six sides of a rectangular prism with special wallpaper, we need to find the total surface area of that rectangular prism. Therefore, the surface area of each rectangular prism can be calculated by the formula:
Surface Area = 2lw + 2lh + 2wh,
where l, w, and h are the length, width, and height of the rectangular prism, respectively.
We know that Amanda has W square inches of wallpaper to cover all the boxes. Therefore, the total surface area of n boxes will be:
n × Surface Area = W.
Substituting the value of the Surface Area, we have:
n × (2lw + 2lh + 2wh) = W
2n(lw + lh + wh) = W
n(lw + lh + wh) = W/2
n = W/2(lw + lh + wh).
To learn more about : number
https://brainly.com/question/24644930
#SPJ8
Help me solve this equation!!!!!
Answer:
\(2x^{2} = 128\)
I hope this helps!
YASSSSSSSSSSS
HELPPPPPPP A SISTA OUT
LoL
Answer:
8 are from South Africa
Step-by-step explanation:
1/4 + 5/8
2/8 + 5/8
1-7/8= 1/8
1/8 of 64 is equal to 8
Cold weather can be especially hard on Sadie's grandfather, so Sadie is knitting him a striped scarf for his birthday. The scarf is almost finished when Sadie discovers a mistake! She has to unravel 0.75 of the scarf, and now the remaining part is only 4.75 long. Use an equation to find the length of the scarf before it's unraveled.
Length of scarf before unraveling = 4.75 + 0.75 = 5.5.
Equation: Length before unraveling = 4.75 + 0.75
Sadie is knitting a striped scarf for her grandfather for his birthday, but discovers a mistake and has to unravel 0.75 of the scarf. After unraveling, the remaining part of the scarf is 4.75 long. To calculate the length of the scarf before it was unraveled, we can use an equation. The equation we will use is Length before unraveling = 4.75 + 0.75. We can interpret this equation as the length before unraveling being equal to the length after unraveling plus the amount unraveled. Therefore, the length of the scarf before unraveling is 4.75 + 0.75, which is equal to 5.5. This equation is useful for finding the original length of the scarf, as it takes into account the amount that was unraveled. Therefore, the original length of the scarf is 5.5.
Learn more about length here
https://brainly.com/question/8552546
#SPJ4
The table shows the age of a painting (x) in years, and its estimated dollar value (y).
A 4-column table with 6 rows. Column 1 is labeled x with entries 50, 54, 62, 65, 68, sigma-summation x = 299. Column 2 is labeled y with entries 1,200, 1,500, 2,400, 3,200, 4,100, sigma-summation y = 12,400. Column 3 is labeled x squared with entries 2,500, 2,916, 3,844, 4,225, 4,624, sigma-summation x squared = 18,109. Column 4 is labeled x y with entries 60,000, 81,000, 148,800, 208,000, 278,800, sigma-summation x y = 776,600.
Which regression equation correctly models the data?
y = 41.47x + 0.09
y = 41.47x + 1,279.93
y = 153.32x – 6,688.54
y = 153.32x – 6,325.76
Regression equation correctly models the data is: y = -43.98x + 1,279.93
To determine the regression equation that correctly models the data, we can use the method of linear regression. The regression equation for a straight line is generally expressed as y = mx + b, where m is the slope and b is the y-intercept.
Using the given table, we can calculate the necessary values to determine the regression equation. Let's denote the sigma notation as Σ.
The slope (m) can be calculated using the formula:
\(m = (Σxy - (Σx)(Σy) / n(Σx^2) - (Σx)^2)\)
Plugging in the values from the table:
m =\((776,600 - (299)(12,400) / 6(18,109) - (299)^2)\)
m = (776,600 - 3,708,800 / 6(18,109) - 89,401)
m = (-2,932,200 / 66,654)
m ≈ -43.98
The y-intercept (b) can be calculated using the formula:
b = (Σy - m(Σx)) / n
Plugging in the values from the table:
b = (12,400 - (-43.98)(299)) / 6
b ≈ 1,279.93
The correct regression equation that models the data is:
y = -43.98x + 1,279.93
Out of the given options, the correct regression equation is:
y = -43.98x + 1,279.93
For more such questions on Regression
https://brainly.com/question/25987747
#SPJ8
Solve the following quadratic inequality x^2+x-6>0
Answer:
x < -3 or x > 2
Step-by-step explanation:
x² + x - 6 > 0
Convert the inequality to an equation.
x² + x - 6 = 0
Factor using the AC method and get:
(x - 2) (x + 3) = 0
If any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0.
x - 2 = 0
x = 2
x + 3 = 0
x = -3
So, the solution is x < -3 or x > 2
Consider the line y=-8x+6.
Find the equation of the line that is parallel to this line and passes through the point (7, 5).
Find the equation of the line that is perpendicular to this line and passes through the point (7, 5).
The equation of the line that is parallel and perpendicular to y = -8x + 6 and passes through the point (7, 5) are y = -8x + 61 and \(y = \frac{1}{8}x + \frac{33}{8}\) respectively.
What is the equation of line parallel and perpendicular to the given line?The slope-intercept form is expressed as;
y = mx + b
Where m is slope and b is the y-intercept.
Given the equation of the original line:
y = -8x + 6
Using the slope intercept:
Slope m = -8
Since the desired line is parallel, it will have the same slope.
Therefore, the slope of the parallel line is also -8.
Plug in the slope m = -8 and the poin (7,5) into the point-slope form:
( y - y₁ ) = m( x - x₁ )
( y - 5) = -8( x - 7 )
Simplify
y - 5 = -8x + 56
y = -8x + 56 + 5
y = -8x + 61
The equation of the parallel line is y = -8x + 61.
For the perpendicular line:
The slope of the perpendicular line will be the negative reciprocal of -8, which is 1/8.
Hence, plug slope m = 1/8 and point (7,5) into the point-slope form:
( y - y₁ ) = m( x - x₁ )
\(y - 5 = \frac{1}{8} ( x + 7 )\\\\y - 5 = \frac{1}{8}x + \frac{7}{8} \\\\y = \frac{1}{8}x + \frac{7}{8} + 5\\\\y = \frac{1}{8}x + \frac{33}{8}\)
Therefore, the perpendicular line is \(y = \frac{1}{8}x + \frac{33}{8}\).
Learn more about equation of line here: brainly.com/question/2564656
#SPJ1
A Store makes a profit of 18 on a blanket after a markup of 30% what was the selling price
Answer:
78
Step-by-step explanation:
% profit= profit/CP ×100/1
Profit= selling price (S.P) - cost price(C.P)
%profit= 30
profit= 18
% profit= profit / CP×100/1
30= 18/CP ×100/1
30 = 1800 /CP
CP= 1800/30
CP =60
Recall that:
Profit= SP- CP
SP= Profit +CP
= 18+60
=78
Ms. Sperlak bakes 3 1/2 pies in 20 minutes. At this rate how many pies can she bake in 1 hour? 2 hours? (This is math)
Find the gradient of the line segment between the points (-4,4) and (0,12)
Answer:
Hope that will help you
Robert has some nickels and some dimes. He has a maximum of 29 coins worth no less than $2.20 combined. If Robert has 10 nickels, determine all possible values for the number of dimes that he could have. Your answer should be a comma separated list of values. If there are no possible solutions, submit an empty answer.
Robert's dimes are anywhere between 17 and 19.
Explanation:Nickels
are worth 5 cents, and
dimes
are worth 10 cents. Since Robert has 10 nickels, he already has 50 cents. To reach a minimum of $2.20, or 220 cents, Robert needs at least 170 more cents. Because each dime is worth 10 cents, he needs a minimum of 17 dimes. If he has a maximum of 29 coins in total, subtracting the 10 nickels means that he can have up to 19 dimes. So, Robert could have anywhere between 17 and 19 dimes.
Learn more about Counting Coins here:https://brainly.com/question/32061237
#SPJ3
What is the greatest common factor of 12,18,26
Add the fractions and whole numbers
21 13/16 +
5 3/32
Answer: 16 2/8
21 13/16+5 3/32=?
13/16 3/32 32 divided by 16 = 2 so you need to simplified 32/16 and 3/32= 16 so both 13/16 + 32/16= 48/16 then you need to simplified again to make it even and it will be 3 so you add the three with the wholes it will make 16 so know we simplified and divide the fraction 48/16 so once you divide it equals 8 because 8x2=16 and 8x6=48 so it will be 2/8 so the answer is 16 and 2/8
pls rate this and give brainiest
have a nice day : )
Question (2)
ASAP Please help.
Construct the "Square root spiral". Take a large sheet of paper and construct the "Square root spiral" in the following fashion.
Start with a point O and draw a line segment \(\rm{P_{1} P_{2}}\) perpendicular to \(\rm{OP_{1}}\) of unit length. Now draw a line segment \(\rm{P_{2} P_{3}}\) perpendicular to \(\rm{OP_{2}}\) . Then draw a line segment \(\rm{P_{3} P_{4}}\) perpendicular to \(\rm{OP_{3}}\). Continuing in this matter, you get line segment of unit length perpendicular to \(\rm{OP_{n-1}}\). In this manner, you will have created the points \(\rm{P_{2}, P_{3},...... P_{n}....}\), and joined them to create a beautiful spiral depicting \(\rm{\sqrt{2}, \sqrt{3}, \sqrt{4},...}\)
Answer:
The "square root spiral," donned the "Spiral of Theodorus" was created by Theodorus to visualize a set of 17 isosceles triangles where \(n\) is equal to a value between one and seventeen.
The central angle is attached to a central point, and the side opposite of the central angle is always equal to 1.The hypotenuse of the triangle is equivalent to \(\sqrt{n+1}\). The hypotenuse becomes a leg for the next triangle.I have attached an image of the Square Root spiral below.
What's the value of 2 in 6,159.372
Answer:
2 just 2
Step-by-step explanation:
It is in the ones place
b. The sum of two consecutive integers is 109. Determine the integers in 4 steps.
Step 1:
Step 2:
Step 3:
Step 4:
The value of the first and second integers are 54 and 55 respectively.
What are the consecutive integers?Let
First integer = x
Second integer = x + 1
Sum of the integers = 109
So,
First integer + Second integer = Sum of the integers
x + (x + 1) = 109
x + x + 1 = 109
2x + 1 = 109
Subtract 1 from both sides
2x = 109 - 1
2x = 108
divide both sides by 2
x = 108/2
x = 54
Ultimately,
First integer = x
= 54
Second integer = x + 1
= 54 + 1
= 55
Therefore, the solution in 4 steps are;
Step 1: x + (x + 1) = 109
Step 2: 2x + 1 = 109
Step 3: 2x = 108
Step 4: x = 54
Read more on consecutive integers:
https://brainly.com/question/26352026
#SPJ1
What are the values of x and y? x = 2, y = 22 x = 2, y = 44 x = 5, y = 22 x = 5, y = 44.
The value of x and y is 5 and 22 respectively.
BC=2x+7, AB=4x-3, AD=CD, ∠ABC=79° and ∠BCD=(5y)°
we have to find the values of x and y.
As in given figure AD=CD
which implies the figure ABCD is kite.
Two disjoint pairs of consecutive sides of kite are congruent, AB=BC
2x+7 = 4x-3.
4x-2x=7+3 = 10.
2x= 10.
x=5
As the non-vertex angles of a kite are congruent.
⇒ ∠BAD=∠BCD=(5y)°
Now as ABCD is a quadrilateral therefore by angle sum property of quadrilateral, the sum of all angles of quadrilateral equals to 360°
∠A+∠B+∠C+∠D=360°
5y+79°+5y+61°=360°
10y=220°
y=22
To know more about quadrilateral:
https://brainly.com/question/29934291
#SPJ4