Answer:
Step-by-step explanation:
increased means add.
5 + 2*t
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The sequence is decreasing as n increases and sequence converges to the value 0.
The given sequence is defined as aₙ = 1 / (7n + 3).
To determine if the sequence converges or diverges, we need to analyze its behavior as n approaches infinity.
As n increases, the denominator 7n + 3 also increases which means that the values of aₙ will get smaller and smaller, approaching zero as n becomes larger.
The sequence converges to the value 0.
The sequence is decreasing as n increases.
The sequence converges to the value 0.
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What 58x 55 what is the answer
Answer:
3190 is the answer may i have brainly?
Step-by-step explanation:
Wes and Trina need a mortgage for $205,000 for a term length of 30 years. They are doing some financial comparisons of two loan options. Loan A: 4% annual interest rate resulting in monthly payments of $978.70 Loan B: 5% annual interest rate resulting in monthly payments of $1100.48 What is the total payback for each loan? (Assume only the minimum payment is made each month.) How much more interest will Wes and Trina pay if they choose Loan B?
Therefore, if Wes and Trina choose Loan B, they will end up paying $43,541 more in interest over the life of the loan compared to Loan A.
What is percent?Percent is a term used to express a proportion or a fraction of a quantity out of 100. It's also important to note that percentages can be used to represent increases or decreases in a quantity relative to its original value.
Here,
To calculate the total payback for each loan, we need to calculate the total amount of money that Wes and Trina will pay over the course of the loan. This includes the principal amount (the $205,000 borrowed) plus the interest.
For Loan A:
Monthly payment = $978.70
Total number of payments = 30 years x 12 months/year = 360 payments
Total amount paid = $978.70 x 360 = $352,632
For Loan B:
Monthly payment = $1,100.48
Total number of payments = 30 years x 12 months/year = 360 payments
Total amount paid = $1,100.48 x 360 = $396,173
So the total payback for Loan A is $352,632 and the total payback for Loan B is $396,173.
To calculate the difference in interest paid between the two loans, we can subtract the principal amount from the total amount paid for each loan and compare the results:
For Loan A:
Total amount paid = $352,632
Principal amount = $205,000
Interest paid = $352,632 - $205,000 = $147,632
For Loan B:
Total amount paid = $396,173
Principal amount = $205,000
Interest paid = $396,173 - $205,000 = $191,173
So the difference in interest paid between the two loans is:
$191,173 - $147,632 = $43,541
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This month my metro water services bill was $36.34 and my Madison Suburban Utilty District bill was $26.03. My total water bill was $
Total water bill for the month is $62.37.
It seems that you may have accidentally left out the total amount of your water bill.
The total amount by simply adding the amounts of the individual bills together:
Total water bill =\($36.34 + $26.03\)
= \($62.37\)
You have not provided enough information to determine your total water bill.
You have only given the amounts of your individual bills from Metro Water Services and Madison Suburban Utility District.
To find your total water bill, you simply need to add the two bills together.
So, the total amount you owe for water this month would be:
Total water bill = \($36.34 + $26.03\)
= \($62.37\)
It appears that you may have forgotten to include the full amount of your water bill by accident.
Simple addition of the separate bill amounts yields the following sum:
Water bill total = \($36.34 + $26.03\)
= \($62.37\)
Your total water bill cannot be calculated because not enough information has been given.
Only the amounts of your individual Metro Water Services and Madison Suburban Utility District bills have been provided.
You just need to combine the two invoices together to get your total water bill.
As a result, this month's total water bill for you would be:
Water bill total = \($36.34 + $26.03\)
= \($62.37\)
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-6x-(-8)=2
step by step
Equation/Question:
-6x-(-8)=2
Answer/Way I did it:
1. Remove parentheses.
-6x+8=2
2. Subtract 8 from both sides.
-6x=2-8
3. Simplify 2-8 to -6.
-6x=-6
4. Divide both sides by -6.
x=1
-------------
Checking:
Equation/Question:
−6x−(−8)=2
----------------------
1. Let x=1.
−6×1+8=2
2. Simplify -6×1 to −6.
-6+8=2
3. Simplify -6+8 to 2.
2=2
Done by NeighborhoodDealer
Question 2
A box contains 22 coloured pencils.
6 pencils are pink, 9 pencils are blue and 7 pencils are yellow.
Write down the ratio pink pencils : not pink pencils.
Give your answer in its simplest form.
Answer:
3/8 or 3:8
Step-by-step explanation:
pink : not pink
6 : 16
Think of it as a fraction. Simplify it in the same way.
6/16 simplifies to 3/8
So the pink:notpink ratio is 3/8 or 3:8
A parents' evening was planned to start at
15h45. There were 20 consecutive
appointments of 10 minutes each and a
break of 15 minutes during the evening. At
what time was the parents evening due to
finish?
C O 19h15
O 19h20
O 19h00
O 20h00
O 19h30
The time on which parents evening was due to finish was 19 hour 20 minutes.
What is time and its unit?
Time is the ongoing pattern of existence and things that happen in what seems to be an irreversible order from the past, through the present, and into the future.
It is a component quantity of various measurements used to order events, compare the length of events or the time gaps between them, and quantify rates of change of quantities in objective reality or in conscious experience. Along with the three spatial dimensions, time is frequently considered a fourth dimension.
The International System of Units is built upon the seven base units of measurement stipulated by the Système International d'Unités (SI), from which all other SI units are derived. The primary unit of time is the second. The second can be shortened using either the letter S or the letter sec.
20 consecutive appointments of 10 mins = 20 × 10 mins
= 200 min
= 3 hours 20 mins
A break of 15 mins = 3 hours 20 mins + 15 min
= 3 hours 35 mins
The time that the parents evening due to finish = 15h 45 min +3h 35 mins
= 19h 20min
Thus, the time on which parents evening was due to finish was 19h 20min.
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Determine the critical values for the confidence interval for the population standard deviation from the given values. Round your answers to three decimal places.
n = 12 and c = 0.9.
Answer:
The answer is "\(\chi^2_{L} = 4.575 \ and\ \chi^2_{U}= 19.675\)"
Step-by-step explanation:
\(n=12\\\\\ c= 0.9\)
Calculating the level of significance \((\alpha) = 1 -c\)
\(=1-0.9\\\\=0.1\)
Calculating the degrees of freedom:
\(df=n-1=12-1=11\)
Calculating the critical value:
Applying the Chi-Square table, the critical values for the two-tailed test with a degree of freedom (11) for the significance level of \(\alpha = 0.1\):
\(\chi^2_{L} = 4.575 \\\\\chi^2_{U}= 19.675\)
A packaging company conducts a survey for the two new package designs for lunch boxes in a supermarket. The results are as follows: Design1 158.5 138.4 168.1 149.4 145.8 168.7 154.4 162.9 Design2 150.3 155.4 151.6 158.8 151.4 150.8 161.4 157.6 156.8 147.6 a. What is the range of the true (or population) mean of the data in each design for 80% confidence level
Answer:
Design 1: 151.19≤x≤160.37
Design 2: 152.46≤x≤155.88
Step-by-step explanation:
Confidence interval formula is expressed as;
CI = xbar ± Z×σ/√n
xbar is the mean of the sample
σ is the standard deviation
n is the sample size
z is the z score at 80% confidence level
For Design 1:
158.5 138.4 168.1 149.4 145.8 168.7 154.4 162.9
xbar = Sum of the samples/sample size
Sum of samples = 158.5+ 138.4+ 168.1+149.4+ 145.8+ 168.7+ 154.4+ 162.9
Sum of samples = 1246.2
Sample size = 8
xbar = 1246.2/8
xbar = 155.78
Standard deviation
σ = √\sum(x-xbar)²/N
σ = (158.5 - 155.775)² + ... + (162.9 - 155.775)²/8
= 821.075/8
= 102.634375
= √102.634375
= 10.13
σ = 10.13
CI = 155.78±(1.282×10.13/√8)
CI = 155.78±(1.282×3.5815)
CI = 155.78±(4.5915)
CI = {155.78-4.5915, 155.78+4.5915}
CI = {151.19, 160.37}
The range for the true mean is 151.19≤x≤160.37
For Design 2:
150.3 155.4 151.6 158.8 151.4 150.8 161.4 157.6 156.8 147.6
xbar = Sum of the samples/sample size
Sum of samples = 150.3+ 155.4+ 151.6+158.8 +151.4+ 150.8+ 161.4 +157.6+ 156.8 +147.6
Sum of samples = 1541.7
Sample size = 10
xbar = 1541.7/10
xbar = 154.17
Standard deviation
σ = (150.3 - 154.17)²+ ... + (147.6 - 154.17)²/10
σ = 177.681/10
σ = 17.7681
σ = √17.7681
σ = 4.22
CI = 154.17±(1.282×4.22/√10)
CI = 154.17±(1.282×1.3345)
CI = 154.17±(1.7108)
CI = {154.17-1.7108, 154.17+1.7108}
CI = {152.46, 155.88}
The range for the true mean is 152.46≤x≤155.88
I cant solve please help me
Answer:
Let us set up a ratio to find the relationship between side lengths of the two triangles.
25:10
5:2
We can divide both sides by two, but there's no need as the smaller triangle has multiples of two.
So, if XZ is 6, let's place it into the ratio and find what "x" is.
5(3) : 2(3)
15 : 6
x = 15
b) The completed construction of a regular hexagon is shown below. Explain why AACF is a 30°-
60°-90° triangle. (10 points)
ACF is a 30º-60º-90º triangle because of the following:
1) Based on a theorem, in a 30°-60°-90° triangle the sides are in the ratio 1 : 2 : \(\sqrt{3}\)
1 → short leg
2 → hypotenuse
\(\sqrt{3}\) → long leg
Side length of the hexagon is the short leg of the triangle. It is 1.
r1 is the radius of the incircle in a regular hexagon. 2(r1) is the diameter of the incircle. It is also the hypotenuse of the right triangle. It is 2.
Using Pythagorean theorem.
\(a^2 + b^2 = c^2\)
\(1^2 + b^2 = 2^2\)
\(b^2 = 2^2 - 1^2\)
\(b^2 = 4 - 1\)
\(b^2 = 3\)
\(\sqrt{b^2} = \sqrt{3}\)
\(b = \sqrt{3}\)
Kristin had some paper with which to
make note cards. On her way to her room
she found seven more pieces to use. In
her room she cut each piece of paper in
half. When she was done she had 22
half-pieces of paper. With how many
sheets of paper did she start
The 22 half-pieces Kristin had from cutting the sheets she started with and the 7 pieces she found, indicates, that the solution to the word problem is that the number of sheets of paper Kristin started with are;
4 sheets of paperWhat is a word problem?A word problem is a mathematical question in which the scenario of the question is described using verbal terms, or complete sentences, rather than mathematical symbols or expressions, but which are solved using mathematical calculations.
Let x represent the initial number of paper Kristin had.
The extra number of papers Kristin found = Seven more pieces
The size in which Kristin cut each piece of paper = In half
The number of pieces she had after cutting the papers = 22 half-pieces
Therefore, the following equation can be used to find the number of sheets of paper, x, she started with;
2 × (x + 7) = 22
2 × (x + 7)/2 = 22 ÷ 2 = 11
x + 7 = 11
x = 11 - 7 = 4
The number of sheets of paper Kristin started with, x = 4 sheets of paper
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Emma made $17.00 per hour, gets a 8% raise, and works 35 hours per week. Will she now earn at least $600 per week?
A: Yes, she will make $642.60 each week.
B: No, she will only make $585 each week.
C: No, she will make $47.60 each week.
D: No, she will only make $547.40 each week.
$17 +1.54=$18.53×35hrs=648.55
10%of 17=1.7
5%=0.85
1%=0.17×4=0.68
0.68+0.85=1.53
maybe its A?
Find x and y.
Give reasons to justify your solution
Answer:
X=32, Y=148
Step-by-step explanation:
X is 32 degrees because it is parallel to that 32 between f and b.
Y is 148 degrees because x and y together make a straight line and a straight line is 180 degrees therefore, 180-32 = 148.
The question is asked in the attached file,. Kindly someone answer it in the best way.
According to the Empirical Rule, 99.7% of the measures fall within 3 standard deviations of the mean in the normal distribution.
What does the Empirical Rule state?The Empirical Rule states that, for a normally distributed random variable, the symmetric distribution of scores is presented as follows:
The percentage of scores within one standard deviation of the mean of the distribution is of approximately 68%.The percentage of scores within two standard deviations of the mean of the distribution is of approximately 95%.The percentage of scores within three standard deviations of the mean off the distribution is of approximately 99.7%.More can be learned about the Empirical Rule at https://brainly.com/question/10093236
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What is the y-intercept of the equation of the line that is perpendicular to the line y = 3/5x + 10 and passes through the point (15, –5)? The equation of the line in slope-intercept form is y =-5/3 x + ____
Substituting into point-slope form,
\(y+5=-\frac{5}{3}(x-15)\\\\y+5=-\frac{5}{3}x+25\\\\\boxed{y=-\frac{5}{3}x+20}\)
Which pair of values are NOT equal?
Answer:
\(\tan \theta ~~ \text{and}~~ \tan( \pi - \theta)\)
Step-by-step explanation:
\(\textbf{A)}\\\\-\tan \dfrac{3 \pi}4 = - \tan\left(2 \times \dfrac{\pi}2 - \dfrac{\pi}4 \right) = - \left(- \tan \dfrac{ \pi}4 \right) = \tan \dfrac{\pi}4\\\\\textbf{These pairs are equal.}\\\\\\ \textbf{B)}\\\\\tan \left( \dfrac{5 \pi}4 \right) = \tan \left( 2 \times \dfrac{\pi}2 + \dfrac{\pi}4\right) = \tan \dfrac{\pi}4\\\\\textbf{These pairs are equal.}\\\\ \textbf{C)}\\\\\tan \dfrac{\pi}2= - \tan 90^{\circ} = \infty\\\\\\\textbf{These pairs are equal.}\\\\\\ \textbf{D)}\\\\\)
\(\tan ( \pi - \theta ) = - \tan \theta \neq \tan \theta\\\\\textbf{These pairs are not equal.}\)
Please help me don't understand
Answer:
x=13
Step-by-step explanation:
50+3x=89
89-50=3x
39=3x
13=x
It costs $145 for 10 people to attend a concert. How much does it cost a group of 8 people?
Answer:
It would cost $116 for a group of 8 people.
Step-by-step explanation:
You would divide 145/10 to find the cost for 1 group (which would be $14.5). Then, you would multiply 14.5x8 to get your answer of $116.
Answer:
$116
Step-by-step explanation:
1. First, let's find how much it costs for 1 person to attend a concert by dividing 145 by 10.
\(\frac{145}{10}\) \(14.5\)2. Next, let's multiply 14.5 by 8.
\(14.5 * 8\) \(116\)Therefore, it costs a group of 8 people $116 to attend a concert.
add me
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The value οf the variable y is 9 when k is -3 in the given question.
What is variable?In mathematics and statistics, a variable is a quantity οr a characteristic that can take οn different values οr attributes. Variables can be classified as either quantitative οr categοrical, depending οn the type οf data they represent.
A quantitative variable is a variable that represents a numerical measurement οr quantity. Examples οf quantitative variables include height, weight, temperature, and incοme.
A categοrical variable is a variable that represents a grοup οr categοry. Examples οf categοrical variables include gender, race, and type οf car.
Given: y=k x
where, x= -3 and k= -3
we can find the value of y by multiplying k with x,
so, y=k x
now, putting values as follows:
we get, y = -3 × -3
= 9
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Sam will pour 3 gallons of water into a cylindrical container. After he pours all the water into the cylindrical container, it will be 90% full. If the diameter of the container is 8 inches, what is the approximate height of the container in inches?
For water, use the conversion 1 cubic foot = 7.48 gallons
a. 14.16
b. 1.29
c. 116.16
d. 15.48
Using the volume of a cylinder, it is found that the approximate height of the container in inches is given by:
d. 15.48
What is the volume of a cylinder?The volume of a cylinder of radius r and height h is given by:
\(V = \pi r^2h\)
In this problem, Sam pours 3 gallons of water into a cylindrical container, and it will be 90% full. Hence, the volume, in cubic feet, is:
\(0.9V = \frac{3}{7.48}\)
\(V = \frac{3}{0.9(7.48)}\)
\(V = 0.4456\)
The diameter of the container is 8 inches, hence the radius is of 4 inches = 0.3333 feet, considering a feet has 12 inches.
The height, in feet, will be given by:
\(V = \pi r^2h\)
\(0.4456 = (0.3333)^2\pih\)
\(h = \frac{0.4456}{(0.3333)^2\pi}\)
\(h = 1.2768\)
Considering a feet has 12 inches, in inches, the height will be of:
1.2768 x 12 = 15.48
Hence option D is correct.
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• She used a coupon for $3.00 off the total price of the items she
This expression can be used to determine the price of the items Nakit
(2(3.50 -0.80) + 4.85 + 2.40) – 3.00
What is the price of the items Nakita bought?
A $6.95
B $10.45
C $9.65
D $12.65
In QRS, RS QR and m/Q = 46°. Find m/S.
In triangle QRS, ∠S=67⁰ if ∠R =∠S and ∠Q=46⁰
What is meant by an angle?An angle is a figure in Euclidean geometry made up of two rays that share a vertex, or common endpoint, and are referred to as the sides of the angle. Two planes intersecting at an angle also produces an angle.
A measure of an angle or of a rotation is also referred to as an angle. The ratio of a circular arc's length to radius is known as this quantity. When it comes to a geometric angle, the arc's vertex serves as its center and its sides as its boundaries. When there is a rotation, the arc is defined by the rotation's image and any other point other than the rotation's center.
In triangle QRS,
And from the figure,
∠R=∠S
Therefore,
∠R+∠S+∠Q=180⁰
2∠S+46⁰=180⁰
2∠S=134⁰
∠S=67⁰
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A tissue box shaped like a cube, has a volume of about 90 cubic inches. What is the approximate length of one side of the tissue box?
The approximate length of one side of the tissue box which has a volume of about 90 cubic inches is 4.5 inches.
What is of volume of cube?Volume of cube is the amount of quantity, which is obtained by it in the 3 dimensional space.
The volume of the cube can be given as,
\(V=a^3\)
Here, (a) is the side of the cube.
A tissue box, shaped like a cube, has a volume of about 90 cubic inches. Put the value of volume in above formula,
\(90=a^3\\a^3=90\\a=\sqrt[3]{90}\\a=4.48\\a\approx 4.5\rm\; in\)
Thus, the approximate length of one side of the tissue box which has a volume of about 90 cubic inches is 4.5 inches.
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Based on these segment lengths, which group of segments can form a triangle?
OA.
3, 10, 14
B.
8, 7, 13
Oc.
3, 2,5
OD.
20, 7, 13
Answer:
20,7,13. are the most correct for a triangular shape
Can you check and see if I am doing this right
Given:
\(\cos ^2\mleft(\frac{1}{2}\cos ^{-1}\mleft(-\frac{4}{5}\mright)\mright)\)To find the exact value:
We know the formula,
\(\cos ^2x=\frac{1+\cos 2x}{2}\)If we take,
\(x=(\frac{1}{2}\cos ^{-1}(-\frac{4}{5}))\)Then, the given problem can be rewritten as,
\(\begin{gathered} \cos ^2(\frac{1}{2}\cos ^{-1}(-\frac{4}{5}))=\frac{1+\cos\lbrack2(\frac{1}{2}\cos^{-1}(-\frac{4}{5}))\rbrack}{2} \\ =\frac{1+\cos \lbrack\frac{2}{2}\cos ^{-1}(-\frac{4}{5})\rbrack}{2} \\ =\frac{1+\cos \lbrack\cos ^{-1}(-\frac{4}{5})\rbrack}{2} \end{gathered}\)Cancelling cos and its inverse we get
\(\begin{gathered} =\frac{1+(-\frac{4}{5})}{2} \\ =\frac{1-\frac{4}{5}}{2} \\ =\frac{\frac{1}{5}}{2} \\ =\frac{1}{10} \end{gathered}\)Hence, the exact value is,
\(\frac{1}{10}\)A manufacturer produces a commodity where the length of the commodity has approximately normal distribution with a mean of 13.2 inches and standard deviation of 2.3 inches. If a sample of 37 items are chosen at random, what is the probability the sample's mean length is greater than 12.1 inches? Round answer to four decimal places.
The probability that the sample's mean length is greater than 6.3 inches is0.8446.
Here, we have,
Given mean of 6.5 inches, standard deviation of 0.5 inches and sample size of 46.
We have to calculate the probability that the sample's mean length is greater than 6.3 inches is 0.8446.
Probability is the likeliness of happening an event.
It lies between 0 and 1.
Probability is the number of items divided by the total number of items.
We have to use z statistic in this question because the sample size is greater than 30.
μ=6.5
σ=0.5
n=46
z=X-μ/σ
where μ is mean and
σ is standard deviation.
First we have to find the p value from 6.3 to 6.5 and then we have to add 0.5 to it to find the required probability.
z=6.3-6.5/0.5
=-0.2/0.5
=-0.4
p value from z table is 0.3446
Probability that the mean length is greater than 6.3inches is 0.3446+0.5=0.8446.
Hence the probability that the mean length is greater than 6.3 inches is 0.8446.
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The circumference of the cylinder below is 6 cm and the height is 8 cm. What is the curved surface area of the cylinder? If your answer is a decimal, give it to 1 d.p. circumference = 6 cm
8 cm
The curved surface area of the cylinder is 48.06 cm².
The circumference of a cylinder is given by the formula:
C = 2πr
where C is the circumference and r is the radius of the base.
In this case, the given circumference is 6 cm.
So, 6 = 2πr
r = 6 / (2π)
r ≈ 0.955 cm
Now, the curved surface area (CSA) of the cylinder using the formula:
CSA = 2πrh
Given the height as 8 cm, we can substitute the values into the formula:
CSA = 2π(0.955 cm)(8 cm)
CSA ≈ 48.06 cm²
Therefore, the curved surface area of the cylinder is 48.06 cm².
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Please help
2) Using the figure of question 1. Calculate the measure of each of the base angles. *
There is no figure mentioned in question is it is not possible to guess answer
the ratio of the length of two similar re rectangles is 3 ratio 4. what is the scale ratio of their areas in
full solving
Answer:
9:16
Step-by-step explanation:
The ratio of sides of the lengths of rectangles is 3:4.
Now since the scale is constant. So the scale ratio of area will be square of the side ratio .That is :-
→ Ratio of Area = ( 3 : 4)²
→ Ratio of Area = (3/4)²
→ Ratio of Area = 9/16
→ Ratio of Area = 9:16
Hence the ratio of areas is 9:16 .