Given:
The exponential function is:
[tex]y=190(1.471)^x[/tex]
To find:
The percentage of increase or decrease.
Solution:
The general exponential function is:
[tex]y=a(1+r)^x[/tex] ...(i)
Where, a is the initial value,t is the time period, r is the rate of increase if [tex]r>0[/tex] and r is the rate of decrease if [tex]r<0[/tex].
We have,
[tex]y=190(1.471)^x[/tex]
It can be written as:
[tex]y=190(1+0.471)^x[/tex] ...(ii)
On comparing (i) and (ii), we get
[tex]r=0.471[/tex]
Since [tex]r>0[/tex], therefore the given function is an increasing function.
[tex]r\%=0.471\times 100[/tex]
[tex]r\%=47.1\%[/tex]
Therefore, the percentage of increase is 47.1%.
help will give brainlist if right!!!!
PLEASE HELP URGENT!!!!!!!!! 27 and 28
Answer:
27) 4.2
28) D
Step-by-step explanation:
Answer:
27. A 4.2ft
28. D
Step-by-step explanation:
27. Since this is a right triangle, we can use a^2 + b^2 = c^2
3.1^2 + b^2 = 5.2
b = sqrt(5.2^2 - 3.1^2)
b = 4.2ft A
28. sqrt(10^2 + 50^2) does not equat 54, this is not a right triangle.
Ill give brainliest - please help ASAP
WITH THE WORK THO PLEASE?
Answer:
Angles formed by intersecting chords are;<KLU=½(arc KL+arc UM)=½(165+65)=115°
2.
<EFG=½(arc EF+arc PD)
128=½(206+arc PD)
arc PD=128×2-206=50°
3.
<SQR=½(arc(SR+TU))=½(51+165)=108°
4/
<MkL=½(arc(LM+QN)
105×2=155+arc QN
arc QN=210-155=55°
Step-by-step explanation:
wjwhsheueii
I did bad but what's the answer for this?
Answer:
28 degrees
Step-by-step explanation:
A triangle is always equal to 180 degrees so add the degrees together
40+2x+3x=180
40+5x=180
5x/5=140/5
x=28
Factorise the following:
a) x – 5x - 6
b) x + 3x – 40
C) - 7x - 30
Answer:
-4x-6
4x-40
-7x-30
Step-by-step explanation:
can u guys help me with this
Answer:
Step-by-step explanation: Finding the height can be solved using a simple formula using the length of the base and the area. You should multiply length times area! hope this helps.
Given sin= 3/5 find cos
Answer:
Step-by-step explanation: you have to use a caculator this is very similar to log you type in Sin as 3/5 then you will divide by cos then you have your answer
3x + 2y = 9
y = 4x – 1
(solve algebraically)
What’s the answer to this?
Answer:
2
Step-by-step explanation:
Ryan and Sheila are preparing to get married. Sheila has a car payment of $297.00 per month, which is 9% of her monthly income. After they are married, Sheila knows that her car payment will only be 5% of their combined monthly income. How much money does Ryan make per month?
Answer:
$2640
Step-by-step explanation:
Sheila's car payment is 9% of her total income.
let i = total income
this equation can be used to represent the information :
9% x i = $297
to determine i, divide both sides of the equation by 9%
$297 / 0.09 = $3300
After the marriage, the car payment which is 3300 would be 5% of the combined income.
let c = combined income
5% x c = $297
c = $297 / 0.05 = $5940
Ryan's income = combined income - Sheila's income
$5940 - $3300 = $2640
On a hike, Oscar's elevation change after 12 minutes was-84 feet. Assuming his elevation was changing at a constant rate, what integer represents his elevation change per minute?
Answer: -7
Step-by-step explanation:
From the information given, we are.l told that Oscar's elevation change after 12 minutes was -84 feet.
Since his elevation was changing at a constant rate, his elevation change per minute will be:
= -84 feet / 12
= -7feet/minutes
Therefore, the integer is -7.
Marty and Ethan both wrote a function, but in different ways.
Answer:
what did their functions look like?
Step-by-step explanation:
Answer:
Marty and Ethan both wrote a function in a different way.
Step-by-step explanation:
They both wrote a function.
1. Determine the value of x.
Please help
Answer:
55..........................
Work out the lengths of side a and side b 8cm and 5 cm 1 triangle 17cm and 12 cm on the other triangle pythagoras
Answer:
a = 9.4 cm
b = 12.0 cm
Step-by-step explanation:
Check the image uploaded for diagram;
For the first diagram, side length a is calculated as follows;
a² = 8² + 5²
a² = 64 + 25
a² = 89
a = √89
a = 9.4 cm ( approximated to 1 decimal place)
For the second diagram, side length b is calculated as follows;
b² = 17² - 12²
b² = 145
b = √145
b = 12.0 cm (approximated to 1 decimal place)
16 x -4 =
(need process)
Answer:
-64
Step-by-step explanation:
-16+-16+-16+-16=-64
Answer:
[tex] - 64[/tex]
Step-by-step explanation:
Ignore any negative sign for now.
[tex]16 \times 4[/tex]
Use the algorithm method.
1 6
× 4
______
6² 4
Now consider the signs. One number is positive, and the other number is negative. Therefore, the result will be negative.
[tex]16. \: - 4 = > negative[/tex]
Therefor, 16 × -4 = -64
[tex] - 64[/tex]
Which describes the number and type of roots of the equation x^3 + 121x = 0?
a. 2 real roots, 1 imaginary root
b. 1 real root, 2 imaginary roots
c. 3 real roots
d. 3 imaginary roots
Answer:
b; 1 real root and 2 imaginary roots
Step-by-step explanation:
From here, we have
x(x^2 + 121) = 0
x = 0 (1 real root)
or
x^2 + 121 = 0
x^2 = -121
x = √(-121) (2 imaginary roots)
so is would be two complex numbers from above
Select the ordered pairs that are part of the
solution set of this system of inequalities.
Answer:
ye boy
Step-by-step explanation:
Answer:
the second one, I asked my Kids.
In 3 hours, Fast Eddy performed 21 663 loops with his yo-yo. How manyloops could he do in 8 hours at this rate?
57 768
58 738
59 348
56 588
Answer:
58 738
Step-by-step explanation:
Hope this helps!
Answer: 57 768
Step-by-step explanation:
None needed you'll thank me later
Is this the right answer?
Answer:
yes
Step-by-step explanation:
10 is half of 20 but the equation is 11/20 therefore 11/20 is greater than 10/20=1/2
the product of a number and two more than the number .. what is the expression?
How do you solve this? I really don't understand...
Answer:
MEAN 5.8 add all the points up then divide by the number of dots
MEDIAN 5 the middle of the data
MODE 5 most accruing one
RANGE 7 maximum minus minimum
What is the volume of the rectangular prism?
1
Which descriptions apply to a coordinate plane? Choose more
than one answer.
Cartesian plane
Two-dimensional
Three-dimensional
Extends forever
Perpendicular axes
Parallel axes
The descriptions that apply to a coordinate plane are:
a) Cartesian plane
b) Two-dimensional
d) Extends forever
e) Perpendicular axes.
The descriptions that apply to a coordinate plane are:
Cartesian plane: A coordinate plane is often referred to as a Cartesian plane, named after the mathematician René Descartes, who introduced the concept of using coordinates to represent points in space.
Two-dimensional: A coordinate plane is a two-dimensional space where points are represented using two perpendicular axes (usually labeled as x-axis and y-axis).
Extends forever: The coordinate plane extends infinitely in all directions along the x-axis and y-axis, allowing representation of points with arbitrary coordinates.
Perpendicular axes: The two axes in a coordinate plane are perpendicular to each other, intersecting at the origin (0, 0). The x-axis is horizontal, and the y-axis is vertical.
The description "Three-dimensional" does not apply to a coordinate plane. A coordinate plane is a two-dimensional space, and it does not have a third axis to represent points in three dimensions.
In a three-dimensional space, you would need an additional axis (usually labeled as z-axis) perpendicular to the x-axis and y-axis to represent points in three dimensions.
Hence, The descriptions that apply to a coordinate plane are:
a) Cartesian plane
b) Two-dimensional
d) Extends forever
e) Perpendicular axes.
learn more on coordinate plane :
https://brainly.com/question/17298849
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A recipe for lemonade calls for 4
cups of sugar for every 24 cups of cold
water. If you only have 2 cups of sugar,
how much water should you use?
The graph of f(x) = 3 . 2*-3 is shown below. g(x) is a transformation of f(x).
How would you write the equation for the function g(x)?
Answer: (c)
Step-by-step explanation:
Given
Function [tex]f(x)[/tex] is [tex]3\times 2^x-3[/tex]
Also, [tex]g(x)[/tex] is the transformation of [tex]f(x)[/tex]
From the graph, it is clear that [tex]g(x)[/tex] passes through the point [tex](0,5)[/tex]
Now check the option which satisfies the condition
option (c) seems to obey it
[tex]g(x)=3\cdot 2^x+2\\g(0)=3\cdot 2^0+2\\g(0)=3\cdot 1+2\\g(0)=3+2\\g(0)=5[/tex]
Therefore, option (c) is correct.
please help me with this problem!!
Answer:B hope this helps! :D
Step-by-step explanation:
David kicks a soccer ball off the ground and in the air, with an initial velocity of 35 feet per second. Using the formula H(t) = −16t2 + vt + s, what is the maximum height the soccer ball reaches?
Answer:
Step-by-step explanation:
The function for this problem is: h(t) = -16(t)^2 + vt + s h= the height t= time v= velocity s= starting height With the information given, we know that the starting height is 0, since it was from the ground, and the velocity of the ball is 35 feet per second. Inserting the these information into the equation, we get: h(t) = -16(t)^2 + 35t Now the question asks to find the maximum height. It can be done by using a grapher to graph the maximum of the parabola. It could also be done by finding the vertex, which would be the maximum, of the graph by using x= -b/(2a), where b is equal to 35 and a is equal to -16. We get x=35/32, the x-value of where the vertex lies. You can use this value as the t-value in the previous equation to find the h-value of the vertex. When you do, you get h= 19.1 feet, or answer D.
hope this helps
A farmer is fencing off his field. A diagram is given and shows how the field has been divided into two regions. Find the perimeter of the entire field. Reaction 1 has length 530 feet and width 526 feet. Region 2 has length 974 feet and width 526 feet. a. 2556 ft c. 4052 ft b. 4060 ft d. 5112 ft
Answer:
the answer is B 4060 ft
Step-by-step explanation:
the answer is B have a nice day
hallar el numero de intervalo de
33 - 11= 22
Answer:
22=22
Step-by-step explanation:
33-11
22
22=22
which of these expression is equivalent to -2(3-y)
[tex]( - 6 + 2y)[/tex]
answer the question