The interest he earns in 10 years = $395.42.
What is compound interest?
The interest that is calculated using both the principal and the interest that has accrued during the previous period is called compound interest.
Here the Principal P = $500
Rate of interest= 6% = 6/100 = 0.06
Number of years t= 10 years.
Now using compound interest formula then,
=> Amount = [tex]P(1+r)^t[/tex]
=> Amount = 500[tex](1+0.06)^{10[/tex] = [tex]500\times1.06^{10[/tex]
=> Amount = $895.42.
Now interest = $895.42 - $500 = $395.42
Hence the interest he earns in 10 years = $395.42.
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Expand and simplify 3(6y+5) — 2(4y — 1) pleaseee lots of points for answering
Answer:
10y + 17
Step-by-step explanation:
1) (given): 3(6y+5) — 2(4y — 1)
2) (distributive property): 18y + 15 - 8y + 2
3) (combine like terms): 10y + 17
at first, only 1/3 of the students who were going on the band trip were on the bus. after 21 students got on the bus 4/5 of the students who were going on the trip were on the bus. how many students were going on the band trip
The total number of students going on the band trip is 45.
how many students were going on the band trip?Let's denote the total number of students going on the band trip as "x". According to the given information:
Initially, only 1/3 of the students were on the bus, which means (1/3)x students were on the bus.
After 21 students got on the bus, the number of students on the bus increased to 4/5 of the total number of students going on the trip, which is (4/5)x students.
We can create an equation based on this information:
(1/3)x + 21 = (4/5)x
To solve for "x", we can follow these steps:
Subtract (1/3)x from both sides of the equation to isolate the "x" term on one side:
(1/3)x + 21 - (1/3)x = (4/5)x - (1/3)x
21 = (7/15)x
Multiply both sides of the equation by 15/7 to eliminate the fraction:
(15/7) * 21 = (15/7) * (7/15)x
45 = x
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Pls help! Make up two data sets. List all the values in each data set and write a story to describe where they may have originated. The data sets should meet the following conditions:
- The means should be different
- The MADs should be similar
- The means should be more than one MAD apart
Pls show work for the data sets
Answer:
Here are two example data sets that meet the given conditions:
Data Set 1:
Values: 10, 12, 14, 16, 18, 20
Mean: (10+12+14+16+18+20) / 6 = 15
MAD: Mean Absolute Deviation = sum(abs(x - mean))/n = ((|10-15| + |12-15| + |14-15| + |16-15| + |18-15| + |20-15|)/6) = 2.5
Story: This dataset may have originated from measuring the time taken to complete a series of tasks by a group of skilled workers. The values represent the time taken in seconds, and the low MAD value indicates that the workers' performance was consistent. The mean value of 15 seconds suggests that the workers were efficient, completing the tasks quickly and accurately.
Data Set 2:
Values: 3, 5, 7, 9, 11, 13
Mean: (3+5+7+9+11+13) / 6 = 8
MAD: Mean Absolute Deviation = sum(abs(x - mean))/n = ((|3-8| + |5-8| + |7-8| + |9-8| + |11-8| + |13-8|)/6) = 2.5
Story: This dataset may have originated from measuring the height of a group of plants grown under different conditions. The values represent the height in inches, and the low MAD value indicates that the plants' growth was consistent across all conditions. The mean value of 8 inches suggests that the conditions were not optimal for plant growth, as the mean height is lower than the expected average for this type of plant.
Both data sets have a similar MAD value of 2.5, indicating that the variation in the data is relatively low, and the differences in the mean values suggest that they came from different sources. In both cases, the means are more than one MAD apart, indicating that there are significant differences between the values in each set.
Twenty points! Please help with my Precalc!!
Explain how the special angles are used to find the coordinates points around the Unit Circle and how you find the sine, cosine, and tangent values of the special angles using the Unit Circle.
Answer:
Step-by-step explanation:
The Unit Circle is a circle with a radius of 1 unit that is centered at the origin of a coordinate plane. It is often used in trigonometry to understand the relationships between angles, coordinates, and trigonometric functions such as sine, cosine, and tangent.
Special angles in trigonometry are angles that have commonly used values for their trigonometric functions. These special angles are 0 degrees, 30 degrees, 45 degrees, 60 degrees, and 90 degrees, and their corresponding angles in radians (which are the preferred units for angles in the Unit Circle). These angles have well-defined coordinates on the Unit Circle, and their sine, cosine, and tangent values can be easily determined.
To find the coordinates of points on the Unit Circle for special angles, we can use the following steps:
Start with the angle in radians. For example, if we are finding the coordinates for the angle of 30 degrees, we convert it to radians by multiplying by the conversion factor pi/180 (since there are pi radians in 180 degrees): 30 degrees * (pi/180) = pi/6 radians.
Identify the coordinates on the Unit Circle that correspond to the angle in radians. For example, for an angle of pi/6 radians, we know that it is located in the first quadrant of the Unit Circle, and the coordinates of the point where the angle intersects the Unit Circle are (cos(pi/6), sin(pi/6)).
Use the values of cosine and sine for the special angle from trigonometric tables or from memory. For example, the cosine of pi/6 radians is sqrt(3)/2, and the sine of pi/6 radians is 1/2.
Substitute the cosine and sine values into the coordinates of the Unit Circle. For example, for the angle of 30 degrees or pi/6 radians, the coordinates on the Unit Circle are (cos(pi/6), sin(pi/6)) = (sqrt(3)/2, 1/2).
Use the tangent function to find the tangent value of the special angle. The tangent function is defined as the ratio of sine to cosine: tan(theta) = sin(theta) / cos(theta). For example, for the angle of pi/6 radians, the tangent value is (sin(pi/6)) / (cos(pi/6)) = (1/2) / (sqrt(3)/2) = 1/sqrt(3).
In summary, special angles in trigonometry are used to determine the coordinates of points on the Unit Circle, and the sine, cosine, and tangent values of these special angles can be found using trigonometric tables or from memory, and then applied to the Unit Circle to determine the coordinates and trigonometric function values for these angles.
Four cards labeled A, B, C, and D are randomly placed in four boxes labeled A, B, C, and D. Count the number of elements in the event that no box contains a card with the same letter as the box. elements
There are 24 possible arrangements for the elements in the occurrences where there are no cards in the box with the same letter.
What is Permutation?Arrangement of objects in a specific order.
From the information provided:
Using the permutation method, the four cards that are arbitrarily placed in the four boxes can be represented as follows:
No box has a card that begins with the same letter as the box, which suggests that:
There are four different ways to arrange Card A in a box, three different ways to arrange Card B in a box, two methods to arrange Card C in a box, and one way to arrange Card D in a box.
Thus, the Permutation of the four cards can be calculated as:
[tex]4^p_4 = 4! = (4 * 3 * 2 * 1) = 24[/tex]
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Surface area of this trapezoid prism
The surface area of the trapazoid based prism is 289.6 ft². The right option is b. 289.6 ft².
What is a prism?A prism is a solid shape that is bound on all its sides by plane faces.
To calculate the surface area of the trapazoid based prism, we use the formula below.
Formula:
S.A = c(a+b)+L(a+b+c+d)..................... Equation 1Where:
S.A = Surface area of the trapazoid based prismc = Height of the base of the prismL = Length of the prisma,b,d = The remaining sides of the trapezium.From the diagram,
Given:
c = 5 ftL = 9 fta = 8 ftb = 6 ftd = 5.4 ftSubstitute these values into equation 1
S.A = 5(6+8)+9(8+6+5+5.4)S.A = 70+219.6S.A = 289.6 ft²Hence, the right option is b. 289.6 ft².
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A tent is in the shape of a triangular prism whose base is an isosceles triangle find the area and volume of the tent
The surface area and volume of the tent are 213.5 ft² and 148?75ft³ respectively.
What is volume and area of prism?A prism is a solid shape that is bound on all its sides by plane faces.
The surface area of prism is expressed as ;
SA = 2B + ph. Where p is the perimeter and h is the height of the prism. B is the base area
Base area = 1/2 bh
= 1/2 × 7 × 5 = 35/2
= 17.5ft²
perimeter = 7+6+6 = 21ft
SA = 2 × 17.5 + 21 ×8.5
SA = 35+178.5
SA = 213.5 ft²
Volume of prism is expressed as;
V = base area × height
= 17.5 × 8.5
= 148.75 ft³
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The First National Bank pays 8 1/2%?interest per year compounded annually . City Bank pays 8.25 % terest per year compounded daily . In 5 years , what is the difference in the amounts of interest aid on $ 500 by the two banks ? Which bank gave more interest ?
City Bank paid more interest than First National Bank over the 5-year period.
What is compound interest?
Compound interest is the interest earned on both the principal amount and the accumulated interest from previous periods.
We can use the formula for compound interest to calculate the amounts of interest earned by the two banks over 5 years:
Amount of interest with First National Bank = [tex]$P\left(1 + \frac{r}{n}\right)^{n\cdot t} - P$[/tex]
where P is the principal amount, r is the annual interest rate as a decimal, n is the number of times the interest is compounded per year, and t is the number of years.
Amount of interest with First National Bank
=[tex]$500\left(1 + \frac{0.085}{1}\right)^{1\times 5} - 500$[/tex]
= $235.15 (rounded to two decimal places)
Amount of interest with City Bank =[tex]$P\left(1 + \frac{r}{n}\right)^{n\cdot t} - P$[/tex]
where P is the principal amount, r is the annual interest rate as a decimal, n is the number of times the interest is compounded per year (365 in this case, since interest is compounded daily), and t is the number of years.
Amount of interest with City Bank
=[tex]$500\left(1 + \frac{0.0825}{365}\right)^{365\times 5} - 500$[/tex]
= $240.45 (rounded to two decimal places)
The difference in the amounts of interest paid by the two banks is:
$240.45 - $235.15 = $5.30
Therefore, City Bank paid more interest than First National Bank over the 5-year period.
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Assume that you are the president of your company and paid a year-end bonus according to the amount of net income earned during the year. When prices are rising, would you choose a FIFO or weighted average cost flow assumption? Explain, using an example to support your answer. Would your choice be the same if prices were falling?
If prices are rising, I would choose to use the FIFO (first-in, first-out) cost flow assumption. This is because under FIFO, the earliest inventory items purchased are assumed to be sold first, leaving the more recently purchased, and therefore higher-priced, items in inventory. As a result, the cost of goods sold (COGS) will be based on the lower, earlier purchase prices, resulting in higher net income and, therefore, a higher year-end bonus.
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1. Write a statistical question about each situation. a. vacation destinations b. books
a. Statistical question about vacation destinations: What percentage of people who traveled for vacation last year went to a beach destination?
What is a qualitative and quantitative data?Data that is descriptive but not numerical is considered qualitative data. It is frequently used to describe the qualities or traits of things, people, or occasions. Qualitative data examples include hues, textures, tastes, and perspectives.
On the other hand, quantitative data are numerical data that can be measured and statistically analysed. It is frequently used to describe numbers or amounts of different things. Measurements like height, weight, temperature, and test results are examples of quantitative data.
a. Statistical question about vacation destinations: What percentage of people who traveled for vacation last year went to a beach destination?
b. Statistical question about books: What is the average number of books read per month by individuals who report reading as a favorite hobby?
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There are 1176 students in a school. The number of girls is 28 less than the
number of boys. How many boys are there in the school?
Answer:
Let's assume the number of boys in the school as "B".
Then, the number of girls can be expressed as "B - 28".
According to the problem, the total number of students is 1176. Therefore, we can write an equation as follows:
B + (B - 28) = 1176
Simplifying the above equation, we get:
2B - 28 = 1176
Adding 28 to both sides, we get:
2B = 1176 + 28
2B = 1204
Dividing both sides by 2, we get:
B = 602
Therefore, there are 602 boys in the school.
Joshua says that this picture represents 4.2 . Makayla says that this picture represents 42 . Use the drop-down menus to explain how either could be correct
according to the given statement both are having correct interpretation with or without decimal.
what is decimal?Both integer as well as non-integer amounts are frequently expressed using the decimal number system. The Hindu-Arabic number system has been expanded to include non-integer values. Decimal notation is the method used to represent numbers using the system of decimals. Either a whole number as well as a fractional number can be found in a decimal number. Decimal numbers that fall between integers are used to express complete and partially completed amounts numerically. A decimal point separates the whole number from the fractional portion of a decimal number. The little dot which appears among whole numbers as well as fractions is known as the decimal point.
given,
Joshua could be correct because the picture shows four full squares and two tenths of another square. This can be written as the decimal 4.2, where the 4 represents the four full squares and the 0.2 represents the two tenths of a square.
Makayla could also be correct because the picture can be interpreted as representing 42, but not as a decimal. Rather, each square could represent a value of 10, and the two smaller squares could represent a value of 1 each. This gives a total value of 42, as Makayla suggests.
So, both interpretations of the picture could be correct, depending on whether one is using a decimal or a whole-number system.
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Note: Figure is not drawn to scale. If x = 12 units, y = 4 units, and h = 7 units, find the area of the rhombus shown above using decomposition. A. 112 square units B. 28 square units C. 84 square units D. 15 square units
The area of the rhombus is 84 square units . Option C
How to determine the areaThe formula that is used for calculating the area of a rhombus is expressed with the equation;
A = a × h
Given that the parameters are;
A is the area of the rhombusa is the length of the rhombush is the height of the rhombus.From the information given, we have that;
If x = 12 units, y = 4 units, and h = 7 units.
Then the area of the rhombus will be;
Substitute the values into the equation
A = 12 × 7
Multiply the values
A = 84 square units.
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trish is breaking ground for a rose garden inher backyard. the garden will be a square with a side length of 7 meters. what will be the area of the rose garden?
Answer:
the area is 49m² this because for area you have to mutiple
Step-by-step explanation:
7×7=49
23
A train travelled along a track in 110 minutes, correct to the nearest 5 minutes.
Jake finds out that the track is 270 km long.
He assumes that the track has been measured correct to the nearest 10 km.
Could the average speed of the train have been greater than 160 km/h?
You must show how you get your answer.
Answer: To answer this question, we need to calculate the maximum possible speed of the train based on the given information and check if it is greater than 160 km/h.
First, let's use the given information to find the range of possible speeds of the train. The time taken by the train is given as 110 minutes, correct to the nearest 5 minutes. This means that the actual time taken by the train could be anywhere between 107.5 minutes and 112.5 minutes.
Converting the time to hours, we get:
Lower bound of time = 107.5 minutes = 107.5/60 hours = 1.792 hours
Upper bound of time = 112.5 minutes = 112.5/60 hours = 1.875 hours
Now, let's use the given distance of 270 km, correct to the nearest 10 km, to find the range of possible average speeds of the train. The lower bound of the distance is 265 km, and the upper bound is 275 km.
Lower bound of speed = 265 km / 1.875 hours = 141.3 km/h
Upper bound of speed = 275 km / 1.792 hours = 153.5 km/h
Therefore, based on the given information, the maximum possible speed of the train is 153.5 km/h, which is less than 160 km/h.
So, we can conclude that the average speed of the train could not have been greater than 160 km/h.
Step-by-step explanation:
A researcher collected sample data for 12 middle-aged women. The sample had a mean serum cholesterol
level (measured in milligrams per one hundred milliliters) of 192.4, with a standard deviation of 5.9.
Assuming that serum cholesterol levels for middle-aged women are normally distributed, find a 90%
confidence interval for the mean serum cholesterol level of all women in this age group. Give the lower limit
and upper limit of the 90% confidence interval.
The lower limit is 189.331 milligrams per one hundred milliliters, and the upper limit is 195.469 milligrams per one hundred milliliters.
To find the 90% confidence interval for the mean serum cholesterol level of all middle-aged women, we can use the formula:
CI = x' ± t(α/2, n-1) × (s/√n)
where:
x' is the sample mean serum cholesterol level
t(α/2, n-1) is the critical t-value for a two-tailed test with a 90% confidence level and n-1 degrees of freedom
s is the sample standard deviation of the serum cholesterol level
n is the sample size
Substituting the given values, we get:
CI = 192.4 ± t(0.05, 11) × (5.9/√12)
To find the critical t-value, we can use a t-distribution table or calculator. For a two-tailed test with 11 degrees of freedom and a 90% confidence level, the critical t-value is approximately 1.796.
Substituting this value and simplifying, we get:
CI = 192.4 ± 1.796 × 1.707
CI = 192.4 ± 3.069
Therefore, the 90% confidence interval for the mean serum cholesterol level of all middle-aged women is (189.331, 195.469).
This means that we can be 90% confident that the true mean serum cholesterol level for all middle-aged women falls within this interval.
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An altitude divides the hypotenuse of a right triangle into two segments measuring 3.6 and 6.4 centimeters. What is the length of the altitude?
Therefore, the length of the altitude is 4.8 centimeters.
What is triangle?A triangle is a closed two-dimensional shape with three straight sides and three angles. It is one of the basic shapes in geometry and can be classified based on the length of its sides and the size of its angles. The sum of the angles of a triangle is always 180 degrees. Triangles are used in various fields of mathematics and science, including trigonometry, geometry, and physics. They also have practical applications in fields such as construction, engineering, and architecture.
Here,
Let the altitude of the right triangle be 'h' and the hypotenuse be 'c'.
We know that the altitude of a right triangle divides the triangle into two similar triangles, which are also similar to the original triangle.
Therefore, we can set up the following proportion:
h/3.6 = 6.4/h
Simplifying, we get:
h² = 3.6 x 6.4
h² = 23.04
Taking the square root of both sides, we get:
h= √23.04
h = 4.8 centimeters
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In which data set is the mean equal to the median?
Answer: PSD
Step-by-step explanation: perfectly symmetrical distribution
find the value of x and y in simplest radical form. An explanation on how you got an answer would be appreciated.
EDIT: I got the answer, but I'll give points to anyone who wants them.
The value of the variables 'x' and 'y' will be 8√2 cm and 9√2 cm, respectively.
Given that:
Area of a small triangle, A = 72 square cm
The ratio of the matching sides will remain constant if two triangles are comparable to one another.
The equation is given as,
x² / (32)² = y² / (36)² = 72 / (1/2 x 32 x 36)
The value of 'x' is calculated as,
x² / (32)² = 72 / (1/2 x 32 x 36)
x = 8√2 cm
The value of 'y' is calculated as,
y² / (36)² = 72 / (1/2 x 32 x 36)
y = 9√2 cm
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Schuyler purchases 0.4 pound of
almonds that cost $9.95 per pound.
She also purchases 0.6 pound of
walnuts that cost $14.95 per pound. If
she gives the cashier $20, how much
change will she receive?
By adding the formed equations, Schuyler will receive $7.05 in change.
What is addition?
Addition is a basic arithmetic operation in mathematics that involves combining two or more numbers to form a sum.
To find the total cost of the almonds and walnuts, we need to calculate the cost of each separately and then add them together.
The cost of 0.4 pound of almonds is:
0.4 x $9.95 = $3.98
The cost of 0.6 pound of walnuts is:
0.6 x $14.95 = $8.97
The total cost of the almonds and walnuts is:
$3.98 + $8.97 = $12.95
Schuyler gives the cashier $20, so the amount of change she will receive is:
$20 - $12.95 = $7.05
Therefore, Schuyler will receive $7.05 in change.
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(b) If the population doubled in size over 26 months and the current population is 20,000, what will the population be 5 years from now?
The population will be approximately people.
(Do not round until the final answer. Then round to the nearest whole number as needed.)
The population will be approximately 29,628 people 5 years from now. (Rounded to the nearest whole number)
To calculate the future population, we need to take into account the growth rate over time.
In this case, we know that the population doubled in size over 26 months and the current population is 20,000.
Let's break down the problem step by step:
Calculate the monthly growth rate:
Since the population doubled in size over 26 months, the monthly growth rate can be calculated as the 26th root of 2.
This is because if the population doubles in size over 26 months, each month the population grows by the 26th root of 2.
Monthly growth rate [tex]= 2^{(1/26) } \approx 1.027[/tex]
Calculate the number of months in 5 years:
Since there are 12 months in a year, the number of months in 5 years is [tex]5 \times 12 = 60[/tex] months.
Calculate the future population:
We start with the current population of 20,000 and apply the monthly growth rate for 60 months.
Future population = Current population [tex]\times[/tex] (Monthly growth rate)^{(Number of months)
Future population [tex]= 20,000 \times (1.027)^60 \approx 29,628.12[/tex]
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which equation can be used to find the value of x x=60 + 40
Answer:
x = 50
Step-by-step explanation:
2x = 60+40
simply 60 + 40 to 100
so 2x = 100
and then divide 2 to get it to the other side.
like this = x = 100/2
then divide 100 by 2 and get 50
so x=50
How many ways can 5 different cards be dealt from a standard 52-card deck?
Answer:
there are 2,598,960 ways to deal 5 different cards from a standard 52-card deck.
Step-by-step explanation:
The number of ways 5 different cards can be dealt from a standard 52-card deck is given by the combination formula:
C(52,5) = 52! / (5! * 47!)
which simplifies to
C(52,5) = (52 * 51 * 50 * 49 * 48) / (5 * 4 * 3 * 2 * 1)
= 2,598,960
A coordinator will select five songs from a list of 11 songs to compose in events, musical entertainment lineup. How many different lineups are possible?
There are 462 different possible lineups of 5 songs that can be composed from the given list of 11 songs.
How to determine the number of different musical entertainment ?We need to use the idea of combinations to figure out how many different lineups of musical entertainment can be made. A way to select objects from a larger set without regard to their order is called a combination.
In this problem, we have to choose five songs from an 11-song list. We would like to know how many different ways there are for us to select five songs from the eleven that are available, where the order of the songs in the lineup is irrelevant. We can use the combination formula to solve this.:
n choose k = n! / (k! * (n - k)!)
where n is the total number of items to choose from, k is the number of items to choose, and ! denotes factorial, which is the product of all positive integers up to and including that number.
In this case, we have 11 songs to choose from and we want to choose 5 songs. So we can plug these values into the formula:
11 choose 5 = 11! / (5! * (11 - 5)!)
= (11 * 10 * 9 * 8 * 7) / (5 * 4 * 3 * 2 * 1)
= 11,880 / 120
= 462
Consequently, there are 462 unique potential setups of 5 tunes that can be created from the given rundown of 11 melodies.
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what fraction is equivelent to - (7/8)
Answer: The negative sign in front of 7/8 indicates that the fraction is negative. To find an equivalent fraction, we can keep the same value but change the sign. Therefore, an equivalent fraction that is positive would be (-(7/8)) = (-7)/8.
Step-by-step explanation:
A right triangular pyramid has a height of 14 yards. Its base has a leg that is 8 yd. The volume of the pyramid is 168 cubic yd. The other leg of the base is ___ yd.
Therefore , the solution of the given problem of volume comes out to be the other leg of the right triangular pyramid's base is 12 yards long.
What exactly does volume mean?The volume of a three-dimensional item, which is measured in cubic units, describes how much room it occupies. Litre and in3 are the symbols for cubic measurements. However, in order to determine an object's dimensions, you must be aware of its volume. It's common practise to translate an object's weight onto metric units like kilogrammes.
Here,
Let's use "x" yards to represent the unknown leg of the right triangular pyramid's base.
A pyramid's volume can be calculated using the following equation: => => Volume = (1/3) * Base Area * Height
In this instance, the height of the pyramid is 14 yards, and its base is a right triangle with legs that are 8 yards and 'x' yards in length.
Consequently, we can formulate the equation for the pyramid's volume as follows:
=> 168 = (1/3) * (8 * x) * 14
The simplified formula gives us 168 = (4/3) * 14 * x.
We may find "x" by dividing both sides of the equation by
=> [(4/3)*14]: 168 / [(4/3)*14] = x.
=> x = 12
Therefore, the other leg of the right triangular pyramid's base is 12 yards long.
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Use an array model on graph paper to solve and explain your solution to – Candy comes in 3 1/2pound bags. At a recent party, those attending ate 2 1/4 bags of candy. How many pounds of candy did they eat? Your solution should be in simplest form.
those attending the party ate 4 1/2 pounds of candy in total.
How to solve the question?
To solve this problem using an array model on graph paper, we can draw a rectangular array with 2 1/4 rows and 3 1/2 columns. Each cell in the array represents a 1/4 pound of candy. The total number of cells in the array will give us the total amount of candy eaten.
To start, we can divide each row into four equal parts to represent 1/4 pound of candy. We can also divide each column into two equal parts to represent 1/2 pound of candy. Then, we can shade in the cells that represent the amount of candy eaten.
Starting with the first row, we shade in two full rows and an additional half row, representing 2 1/2 bags of candy. Then, in the second row, we shade in two full columns and an additional half column, representing 2 1/4 bags of candy.
When we count the total number of shaded cells in the array, we see that there are 18 cells shaded. Each cell represents 1/4 pound of candy, so we can multiply 18 by 1/4 to get the total amount of candy eaten:
18 * 1/4 = 4 1/2 pounds
Therefore, those attending the party ate 4 1/2 pounds of candy in total.
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The rule for the pattern is add one column. What are the next three terms? (3 points) An image of a pattern. Term one has six dots, term two has eight dots, and term three has ten dots. a 15, 20, 25 b 12, 14, 16 c 8, 10, 15 d 6, 8, 10
Answer:
b 12, 14, 16
Step-by-step explanation:
You want the next three terms of a sequence that starts 6, 8, 10, ....
RuleThe rule seems to be "add 2." If we continue to add 2 to each term, we find the next terms to be ...
10 +2 = 12
12 +2 = 14
14 +2 = 16
The next 3 terms are 12, 14, 16.
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Additional comment
Without the figure, the idea of "add one column" is meaningless. Since answers are in terms of dot counts, it would be more meaningful to describe the pattern in terms of what happens to the dot count.
Adeline earns $28 for mowing lawns for 7 hours. If Adeline charges at the same rate, how many hours will it take her to earn $40?
Answer:
10 hours
Step-by-step explanation:
[tex] \frac{28}{7} = \frac{40}{h} [/tex]
[tex]28h = 280[/tex]
[tex]h = 10[/tex]
Find the surface area
Round to the nearest tenth
The total surface area of the given cone is 628 in².
What is the area of the cone?
The overall area a cone occupies in a three-dimensional space is referred to as its total surface area. It is equivalent to the total of the cone's curved surface and base. Total Surface Area (TSA) = CSA + Area of Circular Base is the formula for calculating a cone's total surface area.
Given :
Slant height of the cone = 17 inches
Diameter of the cone = 16 inches
Radius of the cone = Diameter/2
= 16/2
= 8 inches
Total Surface area of the cone = πr(l+r)
= π*8(17+8)
= 8π* 25
= 200π
= 628 in².
Hence, the total surface area of the given cone is 628 in².
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