If 10 +30 +90+...=2657200, what is the value of n?
The number of terms n of the geometric progression is n = 12
Given data ,
Let the geometric progression be represented as A
Now , the value of A is
10 + 30 + 90 + .... = 2657200
And , let the number of terms be n
common ratio r = 30 / 10 = 3
where sum of first n terms of a GP is Sₙ = a(rⁿ-1) / ( r - 1 )
On simplifying , we get
2657200 = 10 ( 3ⁿ - 1 ) / ( 2 )
Divide by 5 on both sides , we get
3ⁿ - 1 = 5,31,440
Adding 1 on both sides , we get
3ⁿ = 5,31,441
Taking log on both sides , we get
n = 12
Hence , the number of terms of GP is n = 12
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The cup on Sophie's desk holds 4 red pens and 7 black pens. What is the probability of her selecting first a black pen, and then a red one?
Answer:14/165
Step-by-step explanation:
its a fraction i did the same qestion and got it right
choose the greatest number you can mutiply by 30 you can get close to but not go over 150
Answer:
If it can be exactly 150, then 50.
there’s not exactly enough info for me to solve.
For the line that passes through the points A(5, 8, -2) and B(-1, 3, 5), find:
a. a vector equation.
b. parametric equations.
c. Symmetric equations
The symmetric equations for the line are:
(36x + 40y - 28z - 100) / 0 = (x-5) / -6 = (y-8) / -5 = (z+2) / 7
To find the parametric equations for the line passing through A(5, 8, -2) and B(-1, 3, 5), we can use the vector equation:
r = A + t(B-A)
where r is the position vector of any point on the line, t is a scalar parameter, and A and B are the given points. Substituting the values, we get:
r = (5, 8, -2) + t((-1)-5, 3-8, 5-(-2))
r = (5, 8, -2) + t(-6, -5, 7)
The parametric equations for the line are:
x = 5 - 6t
y = 8 - 5t
z = -2 + 7t
To find the symmetric equations, we can use the fact that any point on the line is equidistant from points A and B. Thus, the distance from a point (x, y, z) to A must be the same as the distance from the same point to B. Using the distance formula, we get:
√[(x-5)² + (y-8)² + (z+2)²] = √[(x+1)² + (y-3)² + (z-5)²]
Squaring both sides and simplifying, we get:
36x + 40y - 28z - 100 = 0
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please help with this
The solution of the function is as follows:
f(3) = 16
h(0) = -4
h(g(x)) = 3x + 5
g(y) = y + 3
f(x) - h(x) = x² - x + 5
How to solve function?A function relates input and output. In other words, a function is an expression that defines a relationship between one variable (the independent variable) and another variable(dependent variable).
Therefore, let's solve the function as follows:
f(x) = x² + 2x + 1
g(x) = x + 3
h(x) = 3x - 4
Therefore,
f(3) = (3)² + 2(3) + 1 = 9 + 6 + 1 = 16
h(0) = 3(0) - 4 = -4
h(g(x)) = 3(x + 3) - 4 = 3x + 9 - 4 = 3x + 5
g(y) = y + 3
f(x) - h(x) = x² + 2x + 1 - (3x - 4) = x² + 2x + 1 - 3x + 4 = x² - x + 5
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Blank x 2 > 2
8 over 8 or 7 over 8 or 9 over 8
Answer:
dwdaddaw
Step-by-step explanation:
ad plus devide
8 kilometers == meters
Answer: 8000
Step-by-step explanation:
Stefan wants to buy a toy car at the
store. The price is p dollars. He also
has to pay a 6% tax.
Write an expression to represent
how much Stefan will pay in total for
the toy car.
The height of a tree in feet over x years is modeled by the function f(x). Determine if each statement is True or False.
The statement is examined using the equation to find that
1. False
2. False
3. True
4. False
How to find the statement is trueThe given equation is
f(x) = 32 / ( 1 + e⁰°⁵ˣ)
Evaluating the first statement by substituting
For x = 3, f(3 ) gives 5.84
For x = 6, f( 6) gives 1.52
5.82 - 1.52 is not equal to 9 ft hence the statement is False
Evaluating the second statement by substituting
when x = 0, the function gives 16 which is against 2 ft hence False
Evaluating the third statement by substituting
For x = 1, f(1) = 12.08 this is less than 16 ft hence a decline hence this is True
fourth statement
The trees maximum height, captured should be 16 ft not 35 ft hence False
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2.30 1.99 sales tax 8%
Answer:
$2.48 and $2.15, respectively
Step-by-step explanation:
2.30 * 1.08 = 2.48
1.99 * 1.08 = 2.15
If s5= -16.3804 and r=9/10,what is a₁?
The first term of GP is a₁ = -4.
Given that,
Sum of five terms of GP = s₅ = -16.3804
Common ratio = 9/10 which is less than 1
Number of terms = n = 5
We know that,
Sum of nth term of GP when common ration is less than 1,
s₅ = a₁(1-[tex]r^{n}[/tex])/(1-r)
Substituting the values,
⇒ -16.3804 = a₁(1-0.9⁵)/(1-0.9)
⇒ a₁ = -16.3804/4.0951
⇒ a₁ = -4
Hence, the value of a₁ is -4.
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How is graphing (5, 0) different from graphing (0, 5)? Explain.
Answer: If the number is placed on the X as in (X,Y) the X value will rise but the Y value will stay the same, but if the number is played on the Y, the Y value will go up, and the X value will stay the same
Please help me answer this urgently. I don’t understand and need a clear explanation.
I thought I understood how to get the answer, but I got the second question wrong so I don't know what to do. Can anyone explain to me how to do it? I also am dyslexic and have a hard time rounding numbers. So, I dont think I understood how to round to the nearest dollar.
Answer:
$223,787
Step-by-step explanation:
r = 0.02
C = 191,000
t = 8
S = 191,000 (1 + 0.02)⁸
Follow order of operations (PEMDAS).
S = 191,000 (1.02)⁸
S = 191,000 (1.171659381)
S = 223,786.9
(We want to round to the nearest dollar, which is the ones place, so ignore all digits after the tenths place.)
Rounding, S = 223,787
30 POINTS! Find the values of x and y
Given that this is an isosceles triangle, then the lengths of the sides opposite the two 45º angles have to be the same length.
For this reason, x = 8.
And since x = 8 and there's only one answer with x=8, the first option must be the answer.
You can calculate the value of y using the Pythagorean Theorem.
[tex]y^2 = 8^2+8^2[/tex]
which will lead you to [tex]y=8\sqrt{2}[/tex].
Use the following information to answer questions 9 and 10.
Suppose we drop a ball from a height of 10 feet. After each bounce, it returns to a height that is k% of the height from which it last fell. After the 5th bounce, it returns to a height of 9.04 feet. We will ignore things like friction and air resistance so that the terms form a geometric sequence.
9 . Determine k.
97.51%
98.00%
98.83%
99.15%
10. How many bounces does it take until the ball bounces back to a height less than 3 inches (1/4 of a foot)?
163
183
203
223
9. The ball returns to 98.00% of its previous height after each bounce Option B
10. It will take 183 bounce until the ball bounces back to a height less than 3 inches. Option B
How do we solve for k% of previous height?To solve for k% of previous height after each bounce, we say
10×(k/100)⁵ = 9.04
k = [tex](9.04/10)^{1/5}[/tex]×100
k = 98.00
To find out how many bounces it takes for the ball to bounce back to a height less than 3 inches (or 0.25 feet), we use the inequality
10 × (0.961)ⁿ < 0.25
The logarithm of both sides gives
n × log(0.961) < log(0.025)
n > log(0.025) / log(0.961)
n > 182.593
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A higher credit score reduces your fixed costs because you ____.
A. will pay lower interest rates
B. can have more credit cards
C. are able to carry more debt
D. can reduce the amount you need to borrow
A higher credit score reduces your fixed costs because you will pay lower interest rates. That is option A.
What is a higher credit score?A higher credit score is one of the factors that are being considered by banks or lenders before one is being viewed as being legible to borrow money.
This is soo because a higher credit score will reduce the lending interest rates of the individual because it shows such will pay back the borrowed money as soon as possible.
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Which of the following is Playfair's axiom?
A. A straight line segment can be drawn between any two points.
B. A circle can be drawn with any center and radius.
C. Through a given point not on a given line, there is exactly one line
parallel to the given line.
D. All right angles are equal to one another.
Answer:
C. Through a given point not on a given line, there is exactly one line parallel to the given line.
Step-by-step explanation:
hope i helped
Answer:
Look down
Step-by-step explanation:
Thanks for reaching out for assistance! Based on the context you provided, it seems like the correct answer is C. Playfair's axiom states that there is exactly one line parallel to a given line that can be drawn through a point not on it. I hope this helps! Let me know if there's anything else I can do for you.
discuss four contributing factors tha may lead to learners abusing the rights of others at school
a train laves los angles at 2pm, heading north at 50mph. If the next train leaves 3 hours later and heads north at 60 mph, at what time will the second train catch up with the first?
Answer:
8 am
Step-by-step explanation:
First train has a 50 m/hr x 3 hr = 150 mile head start
Second train is going 60 - 50 = 10 m/hr faster and will close this 150 mile distance
in 15 hours to catch the first train
2pm + 3 hours + 15 hours = 8 am
What value of x satisfies the equation −1.5x−2.7=20.1+4.5x
To solve for x in the equation −1.5x−2.7=20.1+4.5x, we need to isolate x on one side of the equation. We can do this by adding 1.5x to both sides of the equation and adding 2.7 to both sides of the equation, which gives us:
-1.5x - 2.7 + 1.5x = 20.1 + 4.5x + 1.5x
Simplifying the left side of the equation and combining like terms on the right side of the equation gives us:
-2.7 = 6x + 20.1
Subtracting 20.1 from both sides of the equation gives us:
-22.8 = 6x
Dividing both sides of the equation by 6 gives us:
x = -3.8
Therefore, the value of x that satisfies the equation is -3.8.
The figure shows four box-and-whisker plots. These represent variation in travel time for four different types of transportation from the beginning to the end of one route.
Conrad is at one end of the route. He is trying to decide how to get to an appointment at the other end. His appointment is in 30 minutes. Which type of transportation is LEAST likely to take more than 30 minutes?
a. bus
b. car
c. subway
d. train
A type of transportation is LEAST likely to take more than 30 minutes include the following: d. train.
How to interpret the box-and-whisker plots?In order to determine the type of transportation that is least likely to take more than 30 minutes for Conrad to get to an appointment at the other end, we would have to compare the median minute for each data set (type of transportation) that is represented on the box-and-whisker plot shown above.
By critically observing the box-and-whisker plot, we can reasonably infer and logically deduce that a train is the type of transportation that is least likely to take more than 30 minutes because its median minute is the lowest compare to the other data set (type of transportation) that is represented on the box-and-whisker plot shown above.
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Use the formula A = bh to find the area, in square meters, of the parallelogram below.
9
12 m
m²
18m
The Parallelogram area is 96 square meters.
We have,
The area of a parallelogram is given by the formula A = bh, where b is the length of the base and h is the height.
In this case,
The base of the parallelogram is the length of one of its parallel sides, which is 12 m.
The height of the parallelogram is given as 8 m.
Therefore, the area of the parallelogram is:
A = bh
A = 12 m x 8 m
A = 96 square meters
Thus,
The Parallelogram area is 96 square meters.
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Joe earns $25 mowing his neighbor’s lawn each week (w). He is saving his
money to buy a hoverboard that costs $168. Which inequality matches
this situation? (circle your answer)
a) $168-$25 < w b) $25w > $168 c) $25w < $168
"The correct option is (C) $25w < $168." This means that Joe needs to save for at least 7 weeks (since he can't save for a fraction of a week) to afford the hoverboard.
The hoverboard costs $168 and Joe earns $25 each week. To determine if Joe can afford the hoverboard, we need to determine how many weeks he needs to save to reach the cost of the hoverboard.
Let's represent the number of weeks Joe needs to save as "x". Each week, he earns $25, so the total amount he will have after "x" weeks is 25x. In order to buy the hoverboard, he needs to have saved $168. Thus, we can write the inequality:
25x ≥ 168
This inequality represents the fact that the amount of money Joe earns after "x" weeks must be greater than or equal to $168, the cost of the hoverboard, for him to be able to afford it. Simplifying this inequality, we get:
x ≥ 6.72.
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maya received an 80 dollar gift card for a coffee store. She used it in buying some coffee that cost $8.79 per pound. after buying the coffee she had $44.84 left on her card. How many pounds of coffee did she buy
__________________________________
= 80 - 44.84= 35.16= 35.16 ÷ 8.79= 4 lbsMaya Bought 4 Pounds of Coffee__________________________________
The values of x and y are proportional. proportionality (k) and find the missing values. 2. UX x 6 15 9 y 42 200 d. X 14 y 21 6 15 3 7 8 Determine the constant of proportionality
Step-by-step explanation:
To determine the constant of proportionality (k) in a proportional relationship, we need to compare corresponding values of x and y and calculate the ratio between them.
Let's examine the given values:
2. UX: x 6 15 9 y 42 200
To find the constant of proportionality (k), we can take any pair of corresponding values and calculate their ratio. Let's choose the first pair: (6, 42).
k = y / x
k = 42 / 6
k = 7
So, the constant of proportionality (k) is 7.
Now, let's find the missing values for the second set of values:
d. X: 14 y: 21 6 15 3 7 8
Since we know the constant of proportionality is 7, we can calculate the missing values of y by multiplying each corresponding x value by 7.
Missing values for y:
- For x = 21, y = 21 * 7 = 147
- For x = 6, y = 6 * 7 = 42
- For x = 15, y = 15 * 7 = 105
- For x = 3, y = 3 * 7 = 21
- For x = 7, y = 7 * 7 = 49
- For x = 8, y = 8 * 7 = 56
Therefore, the missing values of y are: 147, 42, 105, 21, 49, and 56.
PLEASE HELP ME QUICKLY.
Find the average rate of change between the two labeled points.
[The point in between is (3, 72.6).]
Answer: 2/13.86
Step-by-step explanation:
A lines rate of change is equal to it's slope
Slope is rise over run (Y/X)
The point is up 2 on the Y axis and over 13.86 on the X axis
The slope is= 2/13.86
What is the place value of 2 in 369.425
Step-by-step explanation:
do it yourself what do you do while teacher is teaching
do it yourself what do you do while teacher is teaching
3.
Carly deposits money into a compound interest account in 2010. The equation P = 600(1.0375)
represents the amount of money in her account, P, after t years.
Determine how much money Carly has in her account in 2047. What was the growth rate?
How long does it take for Carly's account to reach $750? Round answer to the nearest tenth.
The compound interest is solved and the amount in her account in 2047 is given by A = $ 1315.46
Given data ,
To determine how much money Carly has in her account after 37 years, we need to substitute the value of t as 37 into the equation:
P = 600(1.0375)^t
P = 600(1.0375)^37
P ≈ 600(1.0375)^37 ≈ 600(2.19243) ≈ $ 1315.46
Therefore , Carly has approximately $1315.46 in her account after 37 years.
To calculate the growth rate, we need to find the rate of change between the initial and final amounts over the given time period.
Regarding how long it takes for Carly's account to reach $750, we'll assume you mean when the account reaches or exceeds $750. Let's set up the equation and solve for t:
750 = 600(1.0375)^t
Dividing both sides by 600, we get:
1.25 = 1.0375^t
Taking the logarithm of both sides (base 1.0375):
log(1.25) = t * log(1.0375)
t ≈ log(1.25) / log(1.0375) ≈ 8.5 years
Hence , it takes approximately 8.5 years for Carly's account to reach or exceed $750
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What is the slope of the line through (-2,-2)(-2,-2)left parenthesis, minus, -2, comma, -2, right parenthesis and (2,-4)(2,−4)left parenthesis, 2, comma, minus, 4, right parenthesis?
Step-by-step explanation:
To find the slope of the line between two points, you can use the formula:
slope (m) = (y2 - y1) / (x2 - x1)
Plugging in the given coordinates, we have:
m = (-4 - (-2)) / (2 - (-2))
m = (-4 + 2) / (2 + 2)
m = (-2) / (4)
m = -1/2
The slope of the line through the points (-2, -2) and (2, -4) is -1/2.