Write the number name and expanded form for the number of driver ants that could be in two colonies. Up to 22,000,000 driver of ants can live in a single colony
Answer: number name = 22 million
Expanded form: 22,000,000 = 20,000,000+2,000,000
Step-by-step explanation:
To write the number name and expanded form for the number of driver ants that could be in two colonies.
Given: Up to 22,000,000 driver of ants can live in a single colony
Since 1, 000, 000 =1 million
So 22,000,000= 22 million
Expanded form: 22,000,000 = 20,000,000+2,000,000
Hence, number name = 22 million
Expanded form: 22,000,000 = 20,000,000+2,000,000
What are the relative strengths and limitations of each
visual format?
Line graphs
Bar graphs
Cumulative records
Ratio charts
Scatterplots
Line graphs are effective for displaying trends and patterns over time. They are suitable for showing continuous data and allow for easy comparison between multiple variables.
Line graphs provide a visual representation of how values change over a specific time period, making it useful for analyzing trends and making forecasts. However, line graphs may not be suitable for displaying categorical or discrete data, as they primarily focus on the relationship between variables over time.
Bar graphs are useful for comparing data across different categories or groups. They present data in a clear and concise manner, allowing for easy identification of differences between categories. Bar graphs are particularly effective in displaying discrete or categorical data, as each category is represented by a separate bar. However, bar graphs may not be suitable for displaying trends over time or for representing continuous data.
Cumulative records provide a visual representation of the accumulation of data over time. They are commonly used in finance and accounting to track cumulative changes in variables such as revenue or profit. Cumulative records allow for easy identification of cumulative growth or decline, but they may not be suitable for analyzing specific data points or trends within specific time periods.
Ratio charts are used to compare the relationship between two variables. They provide a visual representation of how one variable changes in relation to another. Ratio charts can be effective in identifying patterns or correlations between variables, particularly when plotting data points as a scatterplot along a ratio line. However, ratio charts may not provide a comprehensive view of the data and may require additional analysis to interpret the relationship accurately.
Scatterplots are used to display the relationship between two continuous variables. They are particularly useful for identifying correlations or patterns between variables and determining the strength and direction of the relationship. Scatterplots allow for the identification of outliers and clusters within the data. However, scatterplots may not be suitable for displaying categorical or discrete data, and they may not provide a clear representation of the overall data distribution.
Line graphs are suitable for analyzing trends over time, bar graphs are effective for comparing data across categories, cumulative records track cumulative changes, ratio charts compare the relationship between two variables, and scatterplots display the relationship between two continuous variables. Each visual format has its strengths and limitations, and the appropriate choice depends on the nature of the data and the specific analysis or comparison being made.
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What are the points of the graph: y = 5x ?
Hope you could understand.
If you have any query, feel free to ask.
if a group of students having an average age of 16 years joined a class, the average age of all the students in the class reduces from 18 years to 17 years. what is the ratio of the number of students who joined the class to the number of students who were initially in the class?
The ratio of the number of students who joined the class to the number of students who were initially in the class is 2:1.
What is age ratio?Age ratio refers to the comparison of the number of individuals in different age groups in a population. It is often expressed as a ratio or percentage of the number of people in a particular age group to the total population or the number of people in another age group.
Given by the question.
Now, when the group of students with an average age of 16 years joins the class, the average age of all the students becomes 17 years. This means that the total age of all the students in the class would now be 17 times the total number of students.
Let "y" be the number of students who joined the class. Then, the total number of students in the class after they joined would be x + y.
So, we have two equations:
18x = 17(x+y) (because the total age of all the students remains the same before and after the group joins)
16y = (x+y)*1 (because the average age of the new group is 16)
Simplifying the above equations, we get:
x = 17y
x = 34y
Equating both the equations, we get:
17y = 34y
y = 2
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Jack rides his bike 4 miles in 1/3 of an hour. What is jack unit rate in miles per hour?
Answer:
12 miles
Step-by-step explanation:
1/3 of an hour = 20 minutes = 4 miles
1 minute = 4/20 miles
60 minutes = 4/20 x 60 miles
= 4 x 3 miles
= 12 miles
60 minutes = 1 hour
=> 1 hour = 12 miles
Jacks unit rate is 12 miles/hr
Answer:
12
Step-by-step explanation:
There are two ways of doing this problem. I think the easiest way is to use a decimal in the denominator and round
4/0.333333333 = 12.000000001
The answer is obviously meant to be 12.
The other way is more sophisticated, but more accurate.
4/1 // 1/3 This is a 4 tier fraction. The rule is to invert the denominator (turn the bottom fraction upside down) and multiply.
4/1 * 3/1 = 12
The first method is easier to understand. The second is more accurate and more useful for physics.
A mythical king promised to give his favorite jester one gold coin on January 1 and every day thereafter four times the number of coins given on the previous day. The function represents the number of new coins, C , the jester receives on the n th day after January 1 .
The most reasonable domain of the function C = 4ⁿ is all positive integers, which is answer choice (c) i.e. all whole numbers .
What is function?A function is a mathematical object that takes one or more inputs, performs a specified operation on them, and produces an output.
The inputs to a function are called the domain, and the outputs are called the range.
An equation, a graph, or a table can all be used to depict a function.
The function that represents the number of new coins the jester receives on the n-th day after January 1 is given by C = 4ⁿ.
Since n represents the number of days after January 1, it is most reasonable to assume that n is a positive integer, because it doesn't make sense to talk about a negative or fractional number of days in this context.
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The complete question is given below.
share £60 in the ratio 3:1
If we share $60 in the ratio 3:1, then each person will get is $45 and $15 respectively
Given,
The total amount = $60
The ratio = 3:1
Then the amount given to first person = 3x
The amount given to the second person = x
Given that the total amount is 60
Then the equation will become
x+3x=60
4x=60
x=\(\frac{60}{4}\)
x=15
The amount given to the first person = 3x
Substitute the value of x in the equation
The amount given to the first person =3x
=3×15
= $45
The amount given to the second person =x
= $15
Hence, if we share $60 in the ratio 3:1, then each person will get is $45 and $15 respectively
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Hey so this is my question. What’s 0.03 to the 5th power?
Answer:2.43
Step-by-step explanation:
Solve for x. -0.9 + 1.1 = -5.19
Answer:
Pasos para resolver una ecuación lineal
x⋅−0.9+1.1=−5.19
Resta 1.1 en los dos lados.
x(−0.9)=−5.19−1.1
Resta 1.1 de −5.19 para obtener −6.29.
x(−0.9)=−6.29
Divide los dos lados por −0.9.
x=
−0.9
−6.29
Expanda
−0.9
−6.29
multiplicando el numerador y el denominador por 100.
x=
−90
−629
La fracción
−90
−629
se puede simplificar a
90
629
quitando el signo negativo del numerador y el denominador.
x=
90
629
Step-by-step explanation:
if there are 22 liters come out of a tank in 1 min, how many liters come out in 1 hour?
Answer:
1,320 liters
Step-by-step explanation:
First, I multiplied 22 times 60 minutes, because that is how long an hour is, and when you multiply you get 1,320. I hope this helps :)
awnser:
1320?
Step-by-step explanation:
write an expression that has the same value of 5 to the power of 4
Answer:
5x5x5x5
Step-by-step explanation:
The expression that has the same value as \(5^4\) is 25² or 625.
What are Exponents and powers?Exponents and powers are ways used to represent very large numbers or very small numbers in a simplified manner.
The number of times a given integer is multiplied by itself is represented as an exponent.The expression obtained by multiplying a number by itself n times is known as the nth power of the supplied integer.We have \(5^4\).
Usually exponents can be expand using the number the power is raised.
As, if we have 9³ then it means 9 is multiplies by itself three times.
So, 9³ = 9 x 9 x 9= 729
Now, we have to expand \(5^4\) as
= 5 x 5 x 5 x 5
= 5² x 5²
= 25 x 25
= 25²
= 625
So, the Equivalent value to \(5^4\) is 25² or or 5² x 5² or 625.
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If I used the distributive property on this expression, what would it become?
12(x+3)
Answer:
It would become 12x+36
Answer:
12x+36
Step-by-step explanation:
Multiply the parts in parentheses by 12
Now, determine whether the relationship between the two triangles you found in the first task is true for any two triangles. For any line, if you draw two right triangles using the line as the hypotenuse, can the triangles be congruent? Why or why not? Do they have to be congruent? Why or why not?
Answer:
They are not congruent based on the drawing. I don't know what they mean by "do they have to be congruent?", as they don't have to be congruent unless the teacher is asking for them to be congruent.
Step-by-step explanation:
Congruency in geometry is defined as identical in form, meaning that it must follow CPCTC (and can be proven in many different ways).
In the case of the given triangles they are not congruent, as DE and AD do not share congruency with BA and CB, respectively. At best, the two given triangles are similar triangles, as ΔADE is a 2x scale factor of ΔCBA.
I am not sure what the question about "do they have to be congruent" is for. Obviously they aren't congruent and so they don't have to be? There is nothing that states they have to be congruent. If you are aiming for congruency, lines AB & CB's measurements would simply have to match that of ED & AD, respectively.
~
Answer:
The relationship we found is that:
The triangles have same vertical/horizontal segment ratio or slope.But this doesn't indicate the triangles are congruent. They have different side lengths which makes them similar but not congruent.
They can be congruent if corresponding sides are of same length.
How much is car insurance for a 18-year-old per month.
Car insurance for an 18-year-old typically ranges from $200 to $400 per month.
The cost of car insurance for an 18-year-old can vary significantly depending on various factors. Young drivers, especially those with limited driving experience, are generally considered higher risk by insurance companies, which leads to higher premiums. Insurance providers take into account factors such as the driver's age, gender, location, type of vehicle, driving record, and credit history. Additionally, factors like the level of coverage and deductibles chosen, as well as discounts available, can also impact the cost. It's important for young drivers to shop around and compare quotes from different insurance companies to find the best coverage options at the most affordable rates. Additionally, taking driver's education courses and maintaining a clean driving record can help in reducing insurance costs over time.
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What is the average monthly cost of car insurance for an 18-year-old?
Plzz I need help due today!!!!
answer this and don’t answer if you are not smart
Answer:
60 degrees
Step-by-step explanation:
This is a complementary angle, so the equation to use is 30+x=90.
To find out what x is, we have to use the Subtraction Property of Equality.
30+x=90
-30 -30
x=60
Write the equation of this line in slope-intercept form.
The linear function for this problem is defined as follows:
y = -3x/4 + 3.
How to define a linear function?The slope-intercept equation for a linear function is presented as follows:
y = mx + b
In which:
m is the slope.b is the y-intercept.The graph crosses the y-axis at y = 3, hence the intercept b is given as follows:
b = 3.
When x increases by 4, y decays by 3, hence the slope m is given as follows:
m = -3/4.
Hence the function is given as follows:
y = -3x/4 + 3.
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Write a system of equations to solve.
10. A woman's age is three years more than twice her son's age. The sum
of their ages is 84. How old is the son?
11. The length of a rectangle is three times its width. The perimeter of the
rectangle is 100 inches, What are the dimensions of the rectangle?
12. Benecio worked 40 hours at his two jobs last week. He earned $20 per
hour at his weekday job and $18 per hour at his weekend job. He
earned $770 in all. How many hours did he work at each job?
y
13. Choose one of Exercises 1-9 and graph its solution
Does the answer you found by substitution agree
with the answer you got by graphing?
graph #3
Answer:
10: the son is 12
11. W = 12.5 inches L: 37.5 inches
12. 25 hours at his weekday job and 15 hours at his weekend job.
hope you got 13 right! Also I don't really have a step-by-step explanation I kinda just did them in my head so be careful with them. Good Luck!
Step-by-step explanation:
:P
Ahmad the trainer has two solo workout plans that he offers his clients: Plan A and Plan B. Each client does either one or the other (not both). On Monday there were clients 3 who did Plan A and 2 who did Plan B. On Tuesday there were 5 clients who did Plan A and 6 who did Plan B. Ahmad trained his Monday clients for a total of 3 hours and his Tuesday clients for a total of 7 hours. How long does each of the workout plans last? please help
Answer:
Plan A last for 30 minutes
Plan B last for 45 minutes
Step-by-step explanation:
There are two plans:
Plan A
Plan B
Monday
Plan A=3 clients
Plan B=2 clients
Total hours=3
Tuesday
Plan A=5 clients
Plan B=6 clients
Total hours=7
The equation for the unknown
3A + 2B=3 (1)
5A + 6B=7 (2)
Multiply (1) by 3 and (2) by (1)
9A + 6B=9 (3)
5A + 6B=7 (4)
Subtract (4) from (3)
4A=2
Divide both sides by 4
4A/4 = 2/4
A=1/2 hours
Substitute A=1/2 into (1)
3A + 2B=3
3(1/2) +2B=3
3/2 + 2B=3
2B= 3 - 3/2
2B= 6-3/2
2B=3/2
Divide both sides by 2
B=3/2÷2
=3/2×1/2
B=3/4 hours
A=1/2 hours
B=3/4 hours
60 minutes=1 hour
A=1/2 hours
1/2 × 60 minutes
=60/2
=30 minutes
B=3/4 hours
=3/4×60 minutes
=180/4
=45 minutes
Plan A last for 30 minutes
Plan B last for 45 minutes
What series of transformations gets from the pre image of rectangle ABCD to the image of rectangle A''B''C''D"
Looking at the diagram, A'B'C'D' is a reflection of ABCD across the x axis. We can see that the coordinate of B is (- 2, 6) and that of B' is (- 2 - 6). This conforms with the rule that when a figure is reflected across the x axis, the sign of the y coordinate changes.
For A'B'C'D' to A"B"C"D", we can see that the coordinate of B" is (6, - 2). This conforms with the rule of 90 degrees counterclocwise rotation which states that a coordinate, (x, y) becomes (- y, x). By applying this to B', it becomes (- - 6, - 2) = (6, - 2)
We can see that it corresponds, Therefore, the series of transformation are
ABCD to A'B'C'D' Reflection across the x axis
A'B'C'D' to A"B"C"D" 90 degrees counterclockwise rotation about the origin
What is the equation to find the Surface Area for a Cone?
Answer:
A=πr(r+h2+r2)
Step-by-step explanation:
literally just search it up
7.
The length of a rectangle is increased by 10% while its breadth is decreased by 10%.
Determine, if any, the percentage change in its area.
Answer:
the new area is 1% smaller.
Step-by-step explanation:
the area of a rectangle is length times breadth.
let's call them a and b
Area = a × b
now, a is increased by 10%. that means it is multiplied by 11/10.
because 100% means the whole thing, 1% means a 1/100th part of the whole. and 10% then means 10 times the 1/100th part of 10 × 1/100 = 10/100 = 1/10
if then simmering increases by 10% it means that it is the original 100% plus 10%.
so, it is 100/100 + 10/100 = 10/10 + 1/10 = 11/10
therefore the new length is
a(new) = a(old)×11/10
in exactly the same way, when the breadth is reduced by 10% we get then
breadth(new) = breadth(old)×9/10
so, Area(new) = a(new)×b(new) = a(old)×11/10 × b(old)×9/10
remember, Area(old) = a(old)×b(old)
so, Area(new) = a(old)×b(old) × 11/10 × 9/10 =
= Area(old) × 11/10 × 9/10 =
= Area(old) × 99/100
that means the new area has lost compared to the old area 1/100th of its size. 1/100th = 1%
how do I find the slope and y intercept of y=4x-4
Answer:
the slope is 4/1 because it's 4x and the y intercept is -4
Answer:
slope: 4
y intercept: -4
Step-by-step explanation:
the equation you're given is in y = mx + b format
the "b" in the equation is the y intercept
the x and y are the variables
and the "m" is the slope
so in this case, the "m" would be 4 because it is the number right next to x
the -4 would be the "b" in this because it is after the "y=" and does not have a variable
A recipe calls for 40 ounces of rice how many grams of rice does the recipe require
Answer:
1,120
Step-by-step explanation:
the prices of houses in the us are strongly skewed to the right with a mean of $383,500 and a standard deviation of $289,321. a real estate agent takes a random sample of 10 houses and records the mean price. what is the shape of the distribution of the sample mean for all possible random samples of size 10 from this population? skewed left skewed right approximately normal approximately uniform
The sample means a distribution from this population will be right-skewed for all conceivable random samples of size 10.
What do we mean by the sample mean?The mean value of a data sample drawn from a significant data population is referred to as the "Sample Mean." It is a useful tool for figuring out the population mean if the sample size is large and the statistical researchers randomly choose portions of the population. The most obvious advantage of the sample means is the ability to provide information that is appropriately applicable to a larger group. This is important because it makes it possible to conduct statistical analysis without having to go through the challenging process of surveying each participant.So, in the situation where, home prices in the US are heavily skewed to the right, with a mean price of $383,500 and a standard deviation of $289,321.
For all conceivable random samples of size 10 from this population, the sample means distribution will have a right-skewed form.
Therefore, the sample means a distribution from this population will be right-skewed for all conceivable random samples of size 10.
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A hot-air balloon is flying at an altitude of 2999 feet. If the angle of depression from the pilot in the balloon to a house on the ground below is 34degrees, how far is the house from the pilot?
Answer:
5668.3
Step-by-step explanation:
The problem can be represented as a right angled triangle as shown below.
The angle of depression is equivalent to the angle inside the triangle (alternate angles) and it is 34°.
The altitude of the balloon is 2999 feet. (opposite)
Using trigonometric function, SOHCAHTOA, we can solve this:
\(sin(34) = \frac{opposite}{hypotenuse}\\ \\sin(34) = \frac{altitude}{distance}\\\\sin(34) = \frac{2999}{distance}\\\\distance = \frac{2999}{sin34}\\\\distance = 5668.3 feet\)
The pilot is 5668.3 feet far away from the house.
The level of sound in decibels (db) is given by the formula
L = 10 log(I x 1012),
where I is the intensity of the sound in watts per square meter. If the intensity of the sound at a rock concert is 0.004 watts per square meter at a distance of 76 meters from the stage, then what is the level of sound at this point in the audience?
The level of sound at this point in the audience is approximately 96.02 decibels.
To find the level of sound at a point in the audience, we can use the given formula L = 10 log(I x 10^12), where I is the intensity of the sound in watts per square meter.
Given that the intensity of the sound at a rock concert is 0.004 watts per square meter at a distance of 76 meters from the stage, we can substitute this value into the formula:
L = 10 log(0.004 x 10^12)
First, we simplify the expression inside the logarithm:
0.004 x 10^12 = 4 x 10^9
Then we substitute this value back into the formula:
L = 10 log(4 x 10^9)
Using logarithmic properties, we can simplify further:
L = 10(log 4 + log 10^9)
Since log 10^9 equals 9, we have:
L = 10(log 4 + 9)
Calculating the logarithm and adding:
L = 10(0.602 + 9)
L = 10(9.602)
L ≈ 96.02 dB
Therefore, the level of sound at this point in the audience is approximately 96.02 decibels.
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The product of 5/6 x 48
Answer:
5/6 x 48 = 5 x 8=40
Step-by-step explanation:
Pls mark as brainliest
Answer:
40
Step-by-step explanation:
\( \frac{5}{6} \times 48 \\ \frac{5 \times 48}{6} \\ \frac{240}{6} = 40\)
Subtract. (7b 1) - (3b - 1) what is the answer? question 1 options: a. 4b 2
b. 10b c. 4b d. 10b 2
Answer: 4b+2
Step-by-step
(7b+1)-(3b-1)
7b+1-3b+1
4b+2
When (7b -1) - (3b - 1) is substrate then final value will be 4b.
Answer is 4b and correct option is a.
Subtraction would be the operation as well as process of determining the difference among two numbers or quantities. Subtracting one amount from another is however known as 'taking one number aside from another'.
Here given that,
(7b-1)-(3b-1)
we need to subtraction , so first we need to open brackets,
7b-1-3b+1= 4b
7b-3b will be equal to 4b.
so got the answer 4b and option a is correct according to this answer.
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help me please its hard and im like really not smart.
Answer:
B
Step-by-step explanation:
Answer:
B= <B
Step-by-step explanation:
The lines indicate the congruence, <G and <C both have the two lines