Answer:
Starting with the 3-4-5 right triangle, multiply all lengths by 50, obtaining 150, 200, and 250. So the length of the longer leg is 200 meters.
Which retirement plan comes with a guaranteed retirement benefit at retirement?
401(k)
Fixed Annuity
Roth IRA
Traditional IRA
Answer: B. Fixed Annuity
Step-by-step explanation: A Fixed Annuity is a type of retirement plan where you make regular contributions to an insurance company, and in return, they guarantee a fixed payout during your retirement years. This guaranteed benefit is typically paid out as a stream of income for a specific period or for the rest of your life, depending on the terms of the annuity contract.
Unlike other retirement plans such as a 401(k), Roth IRA, or Traditional IRA, which are investment-based and subject to market fluctuations, a Fixed Annuity provides a guaranteed benefit regardless of how the financial markets perform. This can provide peace of mind for individuals who prioritize a stable and predictable income during retirement.
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If r = 7 units and x = 5 units, then what is the volume of the cylinder
The cylinder's volume is 245 cubic units as a result.
Define the cylinder's volume?It is possible to determine how much material a cylinder can carry by using its volume, which is known as its capacity in geometry. Cubic measurements for a cylinder's volume include cm³, m³, in³, etc.
The formula V = r²h is used to determine the volume of a cylinder, where r is the radius of its circular base and h is the height between the bases' perpendicular centers.
As a result, if r = 7 units and x = 5 units, we can use the formulas below to get the cylinder's volume:
V = πr²h
V = π(7)²(5)
= 245 cubic units per volt
Consequently, the size of the cylinder 245 cubic units as a result.
Complete question given below:
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If r = 7 units and x = 5 units, then what is the volume of the cylinder(height=x)?
The volume of the cylinder is 245π cubic units.
What is cylinder?The cylinder is a three-dimensional shape having a circular base. A cylinder can be seen as a set of circular disks that are stacked on one another.
The formula for the volume of a cylinder is:
V = πr²h
where r is the radius of the base, h is the height, and π is the mathematical constant pi (approximately equal to 3.14).
Substituting r = 7 units and h = 5 units into the formula, we get:
V = π(7)²(5)
V = π(49)(5)
V = 245π
Therefore, the volume of the cylinder is 245π cubic units. Note that the volume is an exact value in terms of π, and cannot be simplified further without a numerical approximation of π.
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The transportation department is resurfacing 12. 75 miles of roadways in Collin County. The crew completes work on ¼ - mile section of roadway each hour. How many hours will it take to complete the resurfacing project?
The number of hours it will take to complete the resurfacing project is:
51 hours
How to divide fractions?We are told that the department of transportation is resurfacing 12. 75 miles of roadways in Collin County.
Now, we are also given that:
Number of miles completed each hour = 1/4 mile in section = 0.25 mile per hour
Thus, the number of hours it will take to complete the resurfacing project is:
That would be 12.75 divided by 0.25 hours
= 12.75/0.25
= 51 hours
Thus, we conclude that is the total time it will take to complete the project
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What is the law of large numbers?
If you were using the relative frequency of an event to estimate the probability of the event, would it be better to use 100 trials or 500 trials? Explain.
The Law of Large Numbers is a fundamental concept in probability theory and statistics stating the number of trials of a random event increases, the average of the outcomes approaches the expected value of the event. It's better to use 500 trials.
In other words, as we repeat an experiment a large number of times, the proportion of times that a certain outcome occurs will converge to its probability of occurrence. This is an important concept in statistical inference, as it helps to ensure that the results of a sample are representative of the population from which it was drawn.
Now, if you were using the relative frequency of an event to estimate the probability of the event, it would be better to use 500 trials rather than 100 trials. The reason is that the larger the number of trials, the more accurate the estimate of the probability is likely to be.
Using a larger sample size reduces the impact of random variation and provides a more precise estimate of the true probability. The Law of Large Numbers tells us that as the sample size increases, the relative frequency of the event should converge to the true probability, so a larger sample size will generally give a more reliable estimate
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PLEASE HELP ME FIND DE, EF, and m
The values of the missing sides and angles of the triangle using sine rule are;
DE = 18.3
<D = 84°
EF = 20.8
How to Use the sine rule?Sine rule is a method that is used to find the missing angles and sides of triangles.
Thus, it is expressed as;
a/sin A = b/sin B = c/sin C
Thus;
12/sin 35 = DE/sin 61
DE = 12(sin 61)/sin 35
DE = 18.3
Sum of angles in a triangle is 180°. Thus;
<D = 180 - (61 + 35)
<D = 84°
Similarly;
EF/sin 84 = 12/sin 35
EF = 12(sin 84)/sin 35
EF = 20.8
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sweets are sold loose,or pre-packed in 120g bags
Step-by-step explanation:
The option that has the better value is the loose sweets.
What is division?
Division is the process of grouping a number into equal parts using another number. The sign used to denote division is ÷. Division is one of the basic mathematical operations.
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Which pack has the better value?
Price per gram for the bag = £1.49 / 120 = £0.0124
Price per gram for the loose sweets = £0.89 / 100 = £0.0089
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In circle E with
m
∠
D
E
F
=
4
8
∘
m∠DEF=48
∘
and
D
E
=
6
DE=6, find the area of sector DEF. Round to the nearest hundredth
The area of sector DEF is 15.09 square units
How to find the area of sector DEF?The formula for area of a sector is:
A = (θ/360) * πr²
Where θ is the angle subtended at the center and r is the radius of the circle.
In this case, DE is the radius.
Thus r = 6 cm and θ = 48°
Substituting:
A = (48/360) * π * 6²
A = (48/360) * (22/7) * 36
A = 15.09 square units
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Complete Question
Check image attached
Question 10(Multiple Choice Worth 2 points)
(Circle Graphs MC)
A New York City hotel surveyed its visitors to determine which type of transportation they used to get around the city. The hotel created a table of the data it gathered.
Type of Transportation Number of Visitors
Walk 120
Bicycle 24
Car Service 45
Bus 30
Subway 81
Which of the following circle graphs correctly represents the data in the table?
circle graph titled New York City visitor's transportation, with five sections labeled walk 80 percent, bus 16 percent, car service 30 percent, bicycle 20 percent, and subway 54 percent
circle graph titled New York City visitor's transportation, with five sections labeled walk 40 percent, bicycle 8 percent, car service 15 percent, bus 10 percent, and subway 27 percent
circle graph titled New York City visitor's transportation, with five sections labeled subway 40 percent, bus 8 percent, car service 15 percent, bicycle 10 percent, and walk 27 percent
circle graph titled New York City visitor's transportation, with five sections labeled subway 80 percent, bicycle 20 percent, car service 30 percent, bus 16 percent, and walk 54 percent
So, the circle graph entitled New York City visitor's transportation with five sections labelled walk 40%, bicycle 8%, car service 15%, bus 10%, and subway 27% is the proper option that displays the data in the circular graphs.
Explain about the circle graphs:A circle represents 360 degrees. A circle can be split up into smaller sections. An arc is a segment of a circle, and arcs are named based on their angles.
To illustrate information and data, use a circle graph or pie chart. Often, a circle graph is used to quickly and proportionately display the findings of an investigation.
Given data:
Type of Transportation Number of Visitors Percentage
Walk 120 120*100/ 300 = 40%
Bicycle 24 24*100/ 300 = 8%
Car Service 45 45*100/ 300 = 15%
Bus 30 30*100/ 300 = 10%
Subway 81 81*100/ 300 = 27%
Total 300
So, the circle graph entitled New York City visitor's transportation with five sections labelled walk 40%, bicycle 8%, car service 15%, bus 10%, and subway 27% is the proper option that displays the data in the circular graphs.
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if an arugmetn is invalid, then whever the premises are all false, the conlucison must also be flase
An argument can be invalid even if the premises are true and the conclusion is false.This statement is actually false.
Invalidity refers to the structure of the argument, not the truth value of the premises or conclusion. An invalid argument fails to establish the truth of its conclusion even if its premises are true. In contrast, a valid argument guarantees that the conclusion follows from the premises, regardless of the truth or falsity of the premises. Therefore, an argument can be valid with false premises, and an argument can be invalid with true premises.
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Conclude that there is no guarantee that the conclusion will be false when all the premises are false in an invalid
argument.
If an argument is invalid, then whenever the premises are all false, the conclusion must also be false.
An invalid argument is one where the conclusion does not necessarily follow from the premises, even if the premises
are all true.
In other words, it is possible for the premises to be true, but the conclusion to be false. However, in the scenario you
described, all the premises are false. In an invalid argument, there is no guarantee that the conclusion will also be false.
Identify the argument as invalid.
Recognize that all the premises are false.
Understand that in an invalid argument, the conclusion does not necessarily follow from the premises.
Conclude that there is no guarantee that the conclusion will be false when all the premises are false in an invalid
argument.
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if f(x) = 3 - x^2, find f(-2)
Based on the function f(x) = 3 - x², the value of f(-2) include the following: f(-2) = -1.
What is a function?In Mathematics and Geometry, a function can be defined as a mathematical expression which is typically used for defining and representing the relationship that exists between two or more variables such as an ordered pair in tables or relations.
What is a domain?In Mathematics and Geometry, a domain is sometimes referred to as input value and it can be defined as the set of all real numbers for which a particular function is defined.
When the domain (input value) of the given function f(x) is -2, the output value (range) is given by;
f(x) = 3 - x²
f(x) = 3 - (-2)²
f(x) = 3 - 4
f(x) = -1
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The table shows the free throw statistics for four players on Kent Middle School’s basketball team. Who had the best free throw statistics?
Using percentages we know that Terrel has the best free throw statistics which is 70.83%.
What is the percentage?In mathematics, a quantity or ratio known as A% stands for a percentage of 100.
There are several different ways to depict a dimensionless connection between two numbers, including ratios, fractions, and decimals.
To represent percentages, the symbol "%" is typically written after the number.
In mathematics, a percentage is a number or ratio that is expressed as a fraction of 100.
So, in the given situation where we need to get whose statistics are the best.
We need to calculate the percentages in all cases as follows:
Jack: 18/39*100 = 46.15%
Henry: 54%
Terrel: 17/24*100 = 70.83%
Riley: 9/23*100 = 39.13%
Since Terrel has the highest %, so he has the best free throw statistics.
Therefore, using percentages we know that Terrel has the best free throw statistics which is 70.83%.
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PLEASE HELP! PHOTO ATTACHED
The height of a cabinet is twice the width. The depth is 1.5 times the width. The volume of the cabinet is 5.184 in^3. What are the dimensions of the cabinet?
Answer: Width: 12 Height: 24 Depth: 18
Step-by-step explanation: Width= 12, 12x2=24 and 12x1.5=18. 12x24x18=5184in3
To pass an online class a student must answer 75% of questions correcrtly on a final exam. If there are 60 quesrtions on the exam, how many questions must a student answer correctly to pass
Answer: If there are 60 questions and the student has to answer 75% of questions then the number of questions the student must answer is 45
Step-by-step explanation:
No of questions= 60,
Answers to be given= 75%
then no of questions to pass the exam= No of questions*Answers to be given in percentage
=60*75/100\
=45
Jessie likes to ride her bike around a circular track with a radius of
25.8 yards. If she rides around the track 3 times, about how far
will she ride?
A 162 yards
B 243 yards
C 309 yards
D 486 yards
Jessie will cover a distance of about 486 yards.
What is the distance covered by Jessie?The distance that Jessie will ride around the circular track can be calculated as the circumference of the circle.
The formula for the circumference of a circle is:
C = 2πr
Where C is the circumference, π (pi) is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.
In this case, the radius of the circle is 25.8 yards.
We can substitute that into the formula and simplify:
C = 2πr
C = 2 × 3.14 × (25.8)
C = 162.024 yds
Since the circumference of the circular track is approximately 162.024 yards.
If Jessie rides around the track 3 times, the total distance she will ride is:
3 × 162.024 = 486 yards.
Therefore, option D) 486 yards is the correct answer.
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In 2010, Haiti was hit by a devastating earthquake, which registered at 7.0 on the Richter scale. The largest recorded earthquake since 1900 occurred in 1960 in Valdivia, Chile, and registered at 9.5 on the Richter scale. About how many times greater was the intensity of the Chilean earthquake? a. 2.5 b. 25 c. 150 d. 316
In 2010, Haiti was hit by a devastating earthquake, which registered at 7.0 on the Richter scale. The largest recorded earthquake since 1900 occurred in 1960 in Valdivia, Chile, and registered at 9.5 on the Richter scale. About 316 times greater was the intensity of the Chilean earthquake.
Hence, the correct option is D.
The Richter scale is a logarithmic scale that measures the magnitude of an earthquake. Each increase of one on the Richter scale represents a tenfold increase in the amplitude of the seismic waves.
To find out how many times greater the intensity of the Chilean earthquake was compared to the Haitian earthquake, we will have to find the difference in magnitude between the two earthquakes.
9.5 - 7.0 = 2.5
Since each increase of one on the Richter scale represents a tenfold increase in the amplitude of the seismic waves, a 2.5 increase represents
10^(2.5) = 316.2
Hence, the intensity of the Chilean earthquake was about 316 times greater than the intensity of the Haitian earthquake.
Hence, the correct option is D.
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Answer:d
Step-by-step explanation:
its d
X2 = 16 what is the anwser?
Answer:
x=4
Step-by-step explanation:
If the equation is:
[tex]x^{2} =16[/tex]
then the answer is 4, because to solve this, you would have to take the square root of both sides to cancel out the square on the left side of the equation:
[tex]\sqrt{x^{2} } =\sqrt{16}\\ x=4[/tex]
Hope this helps :)
Please help me i really don't know what to do
Answer:
A 48 pound catfish would be approximately 45 inches long
Step-by-step explanation:
First find the slope of the line, m, using 2 points on the line, (20, 3) and (25, 12)
m = (12-3) / (25-20) = 9/5
Use the point (30, 21) and slope to find the equation (in point-slope form) of the line:
(y - 21) = 9/5(x - 30) = 9/5x - 270/5 = 9/5x - 54
y = 9/5x - 54 + 21 = 9/5x - 33
y = 9/5x - 33 now you have the equation of the line in y = mx + b form
Find x (catfish length) when y = 48 (catfish weight)
48 = 9/5x - 33
9/5x = 48 + 33 = 81
x = 81 · 5/9 = 45
x = 45 inches
Please help this is the last question I can't get it wrong
Answer:10g-3
Step-by-step explanation:
Answer:
g=0.5
Step-by-step explanation:
2(5—1)=3
10g—2=3
10g—2+2=3+2
10g=5
10g/10=5/10
g=0.5
Y is directly proportional to the cube root of x. When x is increased by 700%, find the percentage increase in y
If Y is directly proportional to the cube root of x, the percentage increase in y when x is increased by 700% is 100%.
If y is directly proportional to the cube root of x, we can write this relationship as y = [tex]kx^{(1/3)[/tex], where k is the constant of proportionality.
To find the percentage increase in y when x is increased by 700%, we first need to determine the new value of x. An increase of 700% means that x is multiplied by (1 + 700%) = 8. Therefore, the new value of x is 8 times the original value.
Substituting the new value of x into the equation for y, we get:
y = [tex]k(8x)^{(1/3)[/tex]
Simplifying this expression, we can write:
y = [tex]k(2^{3x)^{(1/3)[/tex]
y = k2x
So, we can see that when x is increased by 700%, y is increased by a factor of 2. This corresponds to a percentage increase of 100%.
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Bri opened up a savings account that earns 1.25% interest, compounded monthly. If she puts $2500 in the account to start, how much money would be in her account 4 years later, assuming no additional money was deposited or withdrawn from the account? Group of answer choices $2377.32 $2620.36 $2628.11 $2510.43
Answer:
The formula for calculating the future value of an investment with compound interest is:
A = P(1 + r/n)^(nt)
where A is the future value, P is the principal (initial 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 time period in years.
In this case, P = $2500, r = 0.0125 (1.25% as a decimal), n = 12 (since the interest is compounded monthly), and t = 4.
Plugging these values into the formula, we get:
A = 2500(1 + 0.0125/12)^(12*4) ≈ $2,628.11
Therefore, the answer is $2628.11.
Answer: $ 2628.11
Step-by-step explanation:
Compound interest is nasty.
the formula (which you need to memorize) is:
[tex]A = P(1+\frac{r}{n} )^t^n[/tex]
A is the final amount, P is the principle, (original amount of money invested), r is the rate of return (as a decimal NOT percent), n is the number of times compounded annually, and t is the time, (in years), invested.
With all this information, our formula becomes:
[tex]A = 2500(1+\frac{0.0125}{12} )^4^8[/tex]
solving, we get A ≅ 2628.11
This corresponds to answer choice C
What is the median?
0 7 27 10 0 3
Answer: Median is 5
Step-by-step explanation: To find the median, we first need to arrange the numbers in order from least to greatest:
0 0 3 7 10 27
The median is the middle number, or the average of the two middle numbers if there are an even number of values. In this case, there are 6 values, so the median is the average of the two middle numbers:
median = (3 + 7) / 2
median = 5
Therefore, the median of the given numbers is 5.
Solve and simplify your answer.
6/7 + 1/8
Answer: 41/56
Step-by-step explanation:
first you would try to find a common denominator (or LCM) in this case, its 56 so the revised question is 48/56+7/56 because you have to change the numerator as well. if you subtract the numerators it is 41. so its 41/56. 41/56 is already in its simplest form, so the answer is 41/56
6. How many times larger is the first number in the pair than the second? a. 34 is times larger than 3³. times larger than 5². times larger than 78. times larger than 17. times larger than 5*. b. 5³ is_____ c. 710 is d. 176 is e. 5 1⁰ is
3⁴ is 3 times larger than 3³, 5³ is 5 times larger than 5², 7¹⁰ is 49 times larger than 7⁸ and 17⁶ is 289 times larger than 17⁴.
3⁴ / 3³ = (3 × 3 × 3 × 3) / (3 × 3 × 3) = 3
This means that 3⁴ is 3 times larger than 3³.
5³ is 5 times larger than 5².
5³ / 5² = (5 × 5 × 5) / (5× 5) = 5
7¹⁰ is 49 times larger than 7⁸.
7¹⁰/ 7⁸ = 7² =49
17⁶ is 289 times larger than 17⁴.
17⁶ /17⁴ = 289
Hence, 3⁴ is 3 times larger than 3³, 5³ is 5 times larger than 5², 7¹⁰ is 49 times larger than 7⁸ and 17⁶ is 289 times larger than 17⁴.
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To get system b below the second equation in system a was replaced by the sum of that equation and the first equation and the first equation in system a multiplied by -2
5x-y= -11
The answer of this question is equation [-6x+4y=16].
Define Equation?An equation is a mathematical statement that shows the equality between two expressions, typically separated by an equal sign. It can contain variables, constants, and mathematical operations such as addition, subtraction, multiplication, and division. The goal of solving an equation is to find the value of the variable that makes the equation true.
What is system?In mathematics, a system refers to a collection of mathematical objects or entities that are related or interconnected in some way.
System A
5x-y=-11
3x-2y=-8
System B
5x-y=-11
-2(3x-2y)=-8×(-2)
5x-y=-11
-6x+4y=16
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the weekly earnings of bus drivers are normally distributed with a mean of $395. if only 1.1 percent of the bus drivers have a weekly income of more than $429.35, what is the value of the standard deviation of the weekly earnings of the bus drivers?
The value of the standard deviation of the weekly earnings of the bus drivers is $14.57.
To solve this problem, we can use the standard normal distribution table or a calculator that provides the inverse of the standard normal distribution. Let X be the weekly earnings of the bus drivers, then we have:
P(X > $429.35) = 0.011
Using the standard normal distribution table or calculator, we can find the z-score that corresponds to a probability of 0.011, which is approximately -2.33. We can then use the formula for standardizing a normal variable:
z = (X - μ) / σ
where μ is the mean and σ is the standard deviation of the distribution. Substituting the given values, we have:
-2.33 = ($429.35 - $395) / σ
Solving for σ, we get:
σ = ($429.35 - $395) / (-2.33) = $14.57
Therefore, the value of the standard deviation of the weekly earnings of the bus drivers is $14.57.
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jessica purchased a large cookie in the shape of a spring peep. After arriving home, she ate part of the cookie and had 1/4 remaining. She decided to give the rest of her cookie to her three sisters to let them share equally. What fraction of the original cookie will each of her sisters get to eat
3/4
If she ate part of the large cookie and was left with 1/4 of the cookie, that means only 3/4 of the cookie is left.
Find the distance traveled by a particle with position (x, y) as t varies in the given time interval. x = 3 sin^2 (t), y = 3 cos^2 (t); 0 less than or equal to
From distance formula, the distance covered by a particle with position (x, y) as time, t is equals to the [tex] 18\sqrt{2}[/tex].
The distance d, traveled by the particle with position vector, r(t) = <x(t), y(t) > over the interval [a,b] is calculated by following
[tex]d = \int_{a}^{b} ( (\frac{dx}{dt})² +(\frac{dy}{dt})² )dt[/tex]. We have a particle with position value (x, y) as t varies in the time interval. The parametric equations are, x = 3 sin² (t), y = 3 cos²(t), on the
time interval [0,3π]. Now the derivative of above parametric equations with respect to time t are [tex]\frac{dx}{dt} = 6 sin(t)cos(t) [/tex] = 3 sin(2t)
[tex]\frac{dy}{dt} = -6 sin(t)cos(t) [/tex]
= - 3 sin(2t)
Therefore, the required distance travelled by particle in the interval [0,3π] is written as [tex]d = \int_{0}^{3π} \sqrt{( (3 sin(2t))² + (-3 sin(2t))²) dt} \\ [/tex]
[tex]= \int_{0}^{3π} \sqrt{ ( 9 sin²(2t) + 9sin²(2t))}dt \\ [/tex]
[tex]= \int_{0}^{3π} \sqrt{18sin²(2t)dt}[/tex]
[tex]= 3\sqrt{2}\int_{0}^{3π} |sin(2t)|dt[/tex]
[tex]= 3\sqrt{2}[ \int_{0}^{\frac{π}{2}} sin(2t)dt - \int_{\frac{π}{2}}^{π} sin(2t)dt + \int_{π}^{\frac{3π}{2}} sin(2t)dt - \int_{\frac{π}{2}}^{2π}sin(2t)dt + \int_{2π}^{\frac{5π}{2}}sin(2t)dt - \int_{\frac{5π}{2}}^{3π}sin(2t)dt \\ [/tex]
[tex]= 3\sqrt{2}([ \frac{cos(2t)}{2}]_{0}^{\frac{π}{2}} - [\frac{cos(2t)}{2}]_{\frac{π}{2}}^{π} + [\frac{cos(2t)}{2}]_{π}^{\frac{3π}{2}} - [\frac{cos(2t)}{2}]_{\frac{3π}{2}}^{2π} + [\frac{cos(2t)}{2}]_{2π}^{\frac{5π}{2} }- [ \frac{cos(2t)}{2}]_{\frac{5π}{2}}^{3π})\\ [/tex]
[tex]= 3\sqrt{2}([ \frac{1}{2} +{\frac{1}{2}] - [\frac{-1}{2}- \frac{1}{2}}] + [\frac{1}{2}+ \frac{1}{2}] - [\frac{-1}{2} - \frac{1}{2}] + [\frac{1}{2} + \frac{1}{2}]- [ \frac{-1}{2} - \frac{1}{2}])\\ [/tex]
[tex]= 3\sqrt{2}(6)[/tex] =[tex]= 18\sqrt{2}[/tex]
Hence, the required distance is [tex] 18\sqrt{2}[/tex].
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Derek had 10 2/3 ounce of water in a glass He drank 1/4 of an ounce
After Derek drinks 1/4 ounce of water, he is left with 95/3 ounces of water in his glass.
Derek initially had 10 2/3 ounces of water in his glass. To find out how much water is left after he drinks 1/4 ounce of water, we need to subtract 1/4 from 10 2/3. To do that, we need to convert the mixed number (10 2/3) into an improper fraction.
To convert a mixed number into an improper fraction, we multiply the whole number by the denominator of the fraction and then add the numerator. In this case, we have:
10 x 3 + 2 = 32/3
Therefore, Derek initially had 32/3 ounces of water in his glass.
To subtract 1/4 from 32/3, we need to make sure the denominators are the same. We can convert 1/4 into twelfths by multiplying both the numerator and denominator by 3. This gives us:
1/4 x 3/3 = 3/12
Now that we have a common denominator of 12, we can subtract:
32/3 - 3/12 = 383/12 - 3/12 = 380/12
To simplify, we can divide both the numerator and denominator by 4:
380/12 ÷ 4/4 = 95/3
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Complete question is:
Derek had 10 2/3 ounce of water in a glass He drank 1/4 of an ounce of the water from his glass how much water is left in Derek's glass?
You have been asked to build a scale model of your school out of toothpicks. Imagine your school is 30 feet tall. Your scale is 1 ft:1.47 cm.
If a toothpick is 6.3 cm tall, how many toothpicks tall will your model be?
. A thermometer shows a temperature of -4.5°C. A nearby thermometer shows a temperature of 3.5°C. Explain how absolute value can be used to decide which temperature is warmer.
Answer:
Step-by-step explanation:
The concept of absolute value can be used to determine which temperature is warmer between -4.5°C and 3.5°C. Absolute value is a mathematical function that returns the magnitude, or distance, of a number from zero, regardless of whether the number is positive or negative. In other words, the absolute value of a number is always a positive number.
In this case, we can calculate the absolute value of each temperature as follows:
| -4.5°C | = 4.5°C
| 3.5°C | = 3.5°C
The absolute value of -4.5°C is 4.5°C, which is greater than the absolute value of 3.5°C, which is 3.5°C. This means that -4.5°C is further from zero than 3.5°C, and therefore it is a colder temperature. So, the temperature of 3.5°C is warmer than the temperature of -4.5°C.
Therefore, we can use the concept of absolute value to determine which temperature is warmer by comparing the absolute values of the temperatures. The temperature with the greater absolute value is farther from zero, and therefore colder, while the temperature with the smaller absolute value is closer to zero, and therefore warmer.