Answer:
$442.75
Step-by-step explanation:
40.25 x 11.00= 442.75
which type of variable does not change during an experiment, and serves as a comparison point for all data points?
Control variables are the type of variable that does not change during an experiment, and serves as a comparison point for all data points.
Control variables are also called constant variables or control variables.
A control variable in an experiment is a variable that is held constant or controlled by the researcher.
A control variable is a variable or item that the researcher wants to keep constant throughout the study so as not to affect the results.
A typical study design measures the influence of an independent variable on the dependent variable. In order for this to be done properly, it is important to control another external or standardized variable. Experimentation is not as simple as changing factors and recording results. In practice, any study has many different factors that can affect its results. A control variable is a way to keep some of these factors constant so that comparisons are unbiased and transparent.
In many experiments, even slight variations in some factors can lead to inaccurate or skewed results. Voxco's Experimental Research Toolkit aims to give researchers greater control over variables to help them achieve the results they want.
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A certain fossil of a beetle contains 15% as much carbon as a living beetle. The age of the fossil can be found using carbon dating.
Calculate the age of this fossil given that the half life of carbon-14 is 5715 years.
Answer:
Hope this helps you!
Step-by-step explanation:
The age of this fossil can be calculated using the following formula:
Age = (5715 years) * ln(1/0.15) / ln(2)
Age = 81,922 years
Challenge: Using the 2 functions shown, circle the choice that must be true. Show your work!
The choice that is true are:
f(0) > g(0)
f(6) = g(12)
f(-4) = g(-4)
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
f(x) = 4x + 2
g(x) = (5/2)x - 4
Now,
f(0) = 2
g(0) = -4
f(0) > g(0)
f(6) = 24 + 2 = 26
g(12) = (5/2) x 12 - 4 = 30 - 4 = 26
f(6) = g(12)
f(-4) = -16 + 2 = -14
g(-4) = -10 - 4 = -14
f(-4) = g(-4)
f(2) = 8 + 2= 10
g(2) = 1
f(2) > g(2)
Thus,
f(0) > g(0) is true
f(6) = g(12) is true
f(-4) = g(-4) is true
g(2) > f(2) is not true
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Given right triangle def, what is the value of sin(e)? three-fifths three-fourths four-fifths four-thirds
The value of sin(e) in the given right angle triangle DEF is 3/5
Given the Right angle DEF,
It is not specified whether angle D= angle F =90°.
Based on the alternatives presented, either base and altitude =3 or 4 and
5 is the hypotenuse.
Case 1. When ∠D=90° In Δ E D F
Sin (E) =altitude/hypotenuse
= 3/5 OR 4/5 [ if base=3, then altitude =4 and if Base =4, Altitude=3]
Case 2. When ∠F=90°, In ΔEFD
Sin (E) =altitude/hypotenuse
= 3/5 or 4/5 [Depending on whether Base =3 then altitude =4, OR Altitude =3 , then Base =4]
Looking at all of the possibilities, 3/5 and 4/5 are accurate.
However, the solution is 3/5, so whether you pick angle D or angle F as 90°, take Altitude=3, Hypotenuse =5, and Base=4.
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Answer:
A. 3/5
Step-by-step explanation:
For right triangle, c^2 = a^2 + b^2
given c = EF = 10, a = DE = 8, b = DF
10^2 = 8^2 + DF^2
DF^2 = 100 - 64 = 36
DF = 6
sin(E) = opposite/hypotenuse = 6/10 = 3/5
julio invests 5360 in a retirement account with a fixed annual interest rate of 4% compounded 4 times per year. What will the account balance be after 17 years?
Answer:
To find the account balance after 17 years, we need to first calculate the annual interest rate. Since the interest is compounded 4 times per year, the effective annual interest rate is equal to (1 + 0.04/4)^4 - 1, which is about 4.169%.
To find the account balance after 17 years, we can use the formula for compound interest: A = P(1 + r/n)^(nt), where A is the final amount, P is the initial principal, r is the annual interest rate, n is the number of times the interest is compounded per year, and t is the number of years. Plugging in the values we know, we get:
A = 5360(1 + 0.04169/4)^(4*17)
A = $9,907.35
So the account balance after 17 years will be about $9,907.35.
How do you find the value of a table?
A table of values is a collection of ordered pairs that is often produced by replacing numbers in an equation (relation).
Given,
Table of value;
When numbers are substituted into an equation, they typically produce a set of ordered pairs called a table of values (relation). Each ordered pair of numbers in the values table's table of values is related to one another according to the equation.
The relationship between the various data points is displayed using tables of values. In scientific lesson, a table of values could be used. Tables of values are used by scientists and researchers to record their data, which is subsequently examined for patterns. Then, they can utilize this pattern to forecast outcomes.
Therefore,
The process of substituting numbers in an equation results in the creation of a table of values, which is a collection of ordered pairs (relation).
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Nama
2
A store currently has a sale where all televisions are being sold with a discount of 30% of
addition, you have a coupon for $100 off any television. The store will allow you to use both EV
30% off discount and the $100 off coupon on your purchase.
Answer:
It sounds like the store is offering a sale on televisions where you can get a 30% discount on the original price of the television, as well as an additional $100 off with a coupon. This means that you can use both the discount and the coupon to save money on your purchase of a television. If you have a coupon for $100 off, you can use it to save an additional $100 on top of the discount you receive from the sale. This can help you save even more money on your purchase. It's always a good idea to check for sales and coupons when shopping for big-ticket items like TVs, as it can help you save a significant amount of money.
The bureau of labor statistics classifies people who would like to work but have given up looking for a job as:______.
People who are looking for a job are unemployed that is the term used by the bureau of labor statistics which classified people who would like to work but have given up .
Step to Step explanation:
People who are jobless and looking for a job are considered in the category of unemployed by the bureau of labor statistics.People in the certain age range and are not working and are looking for a job comes in the category of unemployed.labor force is made by combination of employed and unemployed.Therefore, the people who would like to work but given up who are looking for a job are unemployed classified by bureau of labor statistics.
The complete question is:
The bureau of labor statistics classifies people who would like to work but have given up looking for a job as:______.
a. Unemployed
b. A discouraged worker
c. Not in the labor force
d. Employed
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is referred to as "energy possessed by an object as a result of its MOTION".
Group of answer choices?
Kinetic Energy is referred to as "energy possessed by an object as a result of its MOTION".
What is Kinetic Energy?
The energy that an item or particle has as a result of its motion is known as kinetic energy. An object accelerates and gains kinetic energy when work—the transfer of energy—is done on it by exerting a net force.
An object in motion always has a velocity, or "v," at any given moment. This energy is referred to as "kinetic energy," and it comes from:
Kinetic Energy = 12×m×v2
Here, m = Mass of the object in motion
Kinetic energy is a type of power that a moving object or particle possesses. An item accumulates kinetic energy when work, which involves the transfer of energy, is done on it by exerting a net force. A moving object or particle has kinetic energy, which depends on both its mass and its rate of motion. The type of motion can be vibration, rotation on an axis, translation (or travel along a path from one place to another), or any combination of these.
A body's translational kinetic energy is equal to 1/2mv2, which is the product of its mass, m, and square of its velocity, v.
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need help asap please!
Answer:
[tex]\textsf{$f(1) = \boxed{1}$ , meaning when a $\boxed{1}$ is rolled on the die, the player is awarded}\\\\ \textsf{ $\boxed{1}$ point. This interpretation $\boxed{\sf makes \; sense}$ in the context of the problem.}[/tex]
[tex]\textsf{$f(4.5) = \boxed{8}$ , meaning when a $\boxed{4.5}$ is rolled on the die, the player is awarded} \\\\ \textsf{ $\boxed{8}$ points. This interpretation $\boxed{\sf does \; not \; make \; sense}$ in the context of the problem.}[/tex]
[tex]\textsf{$f(10) = \boxed{19}$ , meaning when a $\boxed{10}$ is rolled on the die, the player is awarded} \\\\ \textsf{ $\boxed{19}$ points. This interpretation $\boxed{\sf does \; not \; make \; sense}$ in the context of the problem.}[/tex]
[tex]\textsf{Based on the observations above, it is clear that an appropriate domain for the}\\\\ \textsf{function is $\boxed{ \{1, 2, 3, 4, 5, 6\}}$ .}[/tex]
Step-by-step explanation:
Given function:
[tex]f(x)=2x-1[/tex]
where:
x is the value rolled on the six-sided die.The sides of the die are labelled 1 to 6.----------------------------------------------------------------------------------------------------
f(1) means the value of the function when x = 1.
Therefore, substitute x = 1 into the given function to find f(1):
[tex]\begin{aligned}x=1 \implies f(1)&=2(1)-1\\&=2-1\\&=1\end{aligned}[/tex]
[tex]\textsf{$f(1) = \boxed{1}$ , meaning when a $\boxed{1}$ is rolled on the die, the player is awarded}\\\\ \textsf{ $\boxed{1}$ point. This interpretation $\boxed{\sf makes \; sense}$ in the context of the problem.}[/tex]
----------------------------------------------------------------------------------------------------
f(4.5) means the value of the function when x = 4.5.
Therefore, substitute x = 4.5 into the given function to find f(4.5):
[tex]\begin{aligned}x=4.5 \implies f(4.5)&=2(4.5)-1\\&=9-1\\&=8\end{aligned}[/tex]
As the faces of the six-sided die are labelled 1 to 6, the only values of x that make sense are 1, 2, 3, 4, 5 and 6. Therefore, rolling a "4.5" does not make sense.
[tex]\textsf{$f(4.5) = \boxed{8}$ , meaning when a $\boxed{4.5}$ is rolled on the die, the player is awarded} \\\\ \textsf{ $\boxed{8}$ points. This interpretation $\boxed{\sf does \; not \; make \; sense}$ in the context of the problem.}[/tex]
----------------------------------------------------------------------------------------------------
f(10) means the value of the function when x = 10.
Therefore, substitute x = 10 into the given function to find f(10):
[tex]\begin{aligned}x=10 \implies f(1)&=2(10)-1\\&=20-1\\&=19\end{aligned}[/tex]
As the faces of the six-sided die are labelled 1 to 6, the only values of x that make sense are 1, 2, 3, 4, 5 and 6. Therefore, rolling a "10" does not make sense.
[tex]\textsf{$f(10) = \boxed{19}$ , meaning when a $\boxed{10}$ is rolled on the die, the player is awarded} \\\\ \textsf{ $\boxed{19}$ points. This interpretation $\boxed{\sf does \; not \; make \; sense}$ in the context of the problem.}[/tex]
----------------------------------------------------------------------------------------------------
The domain of a function is the set of all possible x-values.
As the faces of the six-sided die are labelled 1 to 6, the only possible values of x are 1, 2, 3, 4, 5 and 6.
[tex]\textsf{Based on the observations above, it is clear that an appropriate domain for the}\\\\ \textsf{function is $\boxed{ \{1, 2, 3, 4, 5, 6\}}$ .}[/tex]
The domain can also be written as:
[tex]\{x \in \mathbb{N} \; | \; 1 \leq x \leq 6 \}[/tex]
or [tex]\{x \in \mathbb{Z} \; | \; 1 \leq x \leq 6 \}[/tex]
how many different three-letter words (including nonsense words) are there in which successive letters are different?
16250 many different three-letter words—including nonsense words—have different letters in the next position.
Given that,
We have to find how many different three-letter words—including nonsense words—have different letters in the next position.
We know that,
The number of alphabets are 26
First letter has 26 choices.
Second letter can not be same has first letter so 25 choices.
Third letter can not be same has second letter so 25 choices.
So,
Total words = 26×25×25=16250
Therefore, 16250 many different three-letter words—including nonsense words—have different letters in the next position.
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Are the congruent statements true
Answer:
7. No
8. Yes
Step-by-step explanation:
7. No
For example, sides RS and TQ are not given as congruent, but this statement of congruence makes them congruent.
8. Yes
AB is congruent to CD
BD is congruent to DC
AD is congruent to CD
Triangle ABD is congruent to triangle CDB has all the corresponding parts in the correct order.
What is the length of the radius of a circle given the equation x² y² 8?
The length of the radius of a circle with the equation x² + y² = 8 is 2√2 units .
In the question ,
it is given that ,
the equation of the circle is ⇒ x² + y² = 8 ,
we know that the general equation of the circle is given as x² + y² = b² ;
and "b" is the radius of circle ,
On comparing both the equations ,
we get ,
b² = 8
Simplifying the above equation further ,
we get ,
b = √8 = √2 × 2 × 2
the radius "b" is
b = 2√2 units .
Therefore , the length of the radius of the circle is 2√2 units .
The given question is incomplete , the complete question is
What is the length of the radius of a circle given the equation x² + y² = 8 ?
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In right traingle lmn, l and m are complementary angles and sin(l) is . what is cos(m)?
The cos(m) In the right triangle lmn is 19/20.
Complementary angles are formed when the total of two angles equals 90 degrees. 30 degrees and 60 degrees, for example, are complementary angles.
We have L + M = 90 because the angles L and M are complimentary.
Assuming that,
sin L = sin (90 - L) = sin M
sin (L) = 19/20.
As we know from our rule, the sine of angle L is equal to the cosine of L's complement, which is M.
This implies that the cosine of M is 19/20.
As a result, cos(M) equals 19/20.
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What is 100-293?
I WILL GIVE BRAINLIEST
Answer: the answer is -193
work out volume of prism 10cm 4cm 5cm 8cm 12cm
Answer:
19,200
Step-by-step explanation:
multiply them all together
13. 6x + 2y = 14
please help
The measures of the angles of a triangle are shown in the figure below. Solve for x.
23°
(4x+19)
Answer:
x=12degrees
Step-by-step explanation:
1st Angle=23degrees
2nd Angle=(4x+19)
3rd Angle=(In order to find this angle we need to take this angle as angle3)
angle3+90=180
angle3=180-90
angle3=90degrees
Now lets start with the sum
Sum of angles of a triangle=180degrees
23+(4x+19)+90=180
113+(4x+19)=180
(4x+19)=180-113
(4x+19)=67
4x=67-19
4x=48
x=48/4
x=12degrees
Hope this helps you
Priya can type 575 words in 25 minutes. She starts typing a report at 1035 hours and finishes at 1128 hours. Assuming she types non-stop at her usual rate and does not make any mistakes, find the number of words in the report.
Answer:
128,340 words
Step-by-step explanation:
find how many hours he typed by subtracting 1035 from 1128. 1128-1035=93hoursthen turn the hours into minutes. 93*60=5,580minutesnext find out how many sets of 575 words she typed by dividing 5,580 by 25. 5,580/25=223.2then finally multiply 223.2 by 575 to get your answer of 128,340. 223.2*575=128,340words
A container has 2 cups of milk in it. How many cups of milk are in the container
Answer:
2 cups
Step-by-step explanation:
there should be two cups of milk in it. If I’m not correct I will redo this.
jeremy can row 3 miles in 12 hours. How long will it take him to row 1 mile
By using division, it can be calculated that
Jeremy can row 1 mile in 4 hours
What is division?
Division is the process by which value of single unit can be calculated from the value of multiple unit.
The number to be divided is known as dividend, the number by which the dividend is divided is the divisor, the result obtained is the quotient and the remaining part is the remainder.
There is a well known formula for division
Divisor x Quotient + Remainder = Dividend.
This is a word problem on division
Jeremy can row 3 miles in 12 hours
Jeremy can row 1 mile in [tex]12 \div 3[/tex] = 4 hours
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how many ways are there to select five players from a 10-member tennis team to make a trip to a match at another school?
The combination selecting five players from a 10-member tennis team to make a trip to a match at another school = 252
What do you mean by permutations and combinations?
A permutation is an act of arranging objects or numbers in order.
Combinations are the way of selecting objects or numbers from a group of objects or collections, in such a way that the order of the objects does not matter.
given that
selecting five players from a 10-member tennis team to make a trip to a match at another school
we solve this by using combinations
=10[tex]C_{5}[/tex]
= [tex]\frac{10!}{5!(10-5)!}[/tex]
=[tex]\frac{3628800}{120*5!}[/tex]
=252
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Your mother gave you $13. 31 with which to buy a preent. Thi covered 3 fourth of the cot. How much did the preent cot?
If $13.31 in three fourth of the cost then the cost of the present is $17.747 .
In the question ,
it is given that ,
the amount of money that mother gave to buy the present is = $13.31 ,
the part of cost that the amount covered is = three fourth ,
that means the fraction is 3/4 = 13.31
So , the cost of the present will be = (13.31*4)/3
Simplifying further ,
we get ,
= 53.24/3
Simplifying further ,
we get ,
= 17.746666
rounding off ,
we get,
≈ 17.747
Therefore , the cost of the present is $17.747 .
The given question is incomplete , the complete question is
Your mother gave you $13.31 with which to buy a present. This covered 3 fourth of the cost. How much did the present cost ?
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What value of x is in the solution set of the inequality –5x – 15 > 10 20x? –2 –1 0 1
We have -2 from the values in the provided solution set, which is the necessary value.
what is solution set?
A solution set is a group of values in mathematics that satisfy a specified set of equations or inequalities. A constrained optimization problem's viable zone is its solution set of constraints.
Given: - 5x - 15 > 10 + 20x
Let's eliminate the variable x in order to solve the inequality.
5 times both sides,
- 5x - 15 + 5x > 10 + 20x + 5x
- 15 > 10 + 25x
Subtracting 10 from both sides
- 15 - 10 > 10 - 10 + 25x
- 25 > 25x
Dividing both sides by - 25
-1 > x
x < - 1
We have -2 from the values in the provided solution set, which is the necessary value.
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Answer:
B
Step-by-step explanation:
For what values of x is the expression below defined?
√x+5+√1-x
A. -5
OB. 5> x≤-1
C. 5>x>1
D. 5≤x≤1
Answer:
The expression √x+5+√1-x is defined for all values of x such that the value under the square root sign is non-negative. We can find the values of x that satisfy this condition by considering each of the square roots separately.
For the first square root, the value under the square root must be non-negative, so we have the following inequality:
x + 5 ≥ 0
x ≥ -5
For the second square root, the value under the square root must be non-negative, so we have the following inequality:
1 - x ≥ 0
x ≤ 1
Therefore, the expression is defined for all values of x that satisfy both of these inequalities. This means that the expression is defined for values of x in the range -5 ≤ x ≤ 1. The correct answer is therefore option D.
a drawer contains ten socks with one pair of each of the following colors: brown, black, blue, green, and white. how many socks must be removed from the drawer to guarantee that at least two socks of the same color have been removed?
6 socks must be removed from the drawer to guarantee that at least two socks of same color have been removed.
Given,
It makes no difference how many socks there are; what matters is how many different colours of socks there are, as there are five different colours.
So, if 6 socks are taken from the drawer, it is almost certain that at least two of them will be the same colour.
Because, after taking 5 socks, you will either have a match or a difference. To ensure a matching pair, add one more sock.
You have a pair if the first five are the same colour. If none of the first five socks match, the sixth sock will match one of the first five.
So with 6 socks, you are guaranteed that at least 2 of them will be the same color.
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Jamie swims 1/2 of the length of the swimming pool every 1/4 of a minute
Answer:
Jamie swims 1/2 the length of the swimming pool every 1/4 of a minute. This means that Jamie swims 1/8 of the length of the pool in one second. If the pool is 25 meters long, it would take Jamie 200 seconds, or about 3 minutes and 20 seconds, to swim the length of the pool. This is just an estimation, as the actual time it would take Jamie to swim the length of the pool would depend on factors such as Jamie's swimming ability and the speed at which they swim.
four fair coins are to be flipped. what is the probability that all four will be heads or all four will be tails? express your answer as a common fraction.
The probability that all four will be heads or all four will be tails is 1/8.
What is probability?
A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.Total number of outcomes = 2⁴
Probability of all four will be tails:
P(TTTT) = 1/2⁴
Probability of all four will be heads:
P(HHHH) = 1/2⁴
P(TTTT or HHHH)
= P(TTTT) + P(HHHH)
= 1/2⁴ + 1/2⁴
= 1/16 + 1/16
= 2/16
P(TTTT or HHHH) = 1/8
Hence, the probability that all four will be heads or all four will be tails is 1/8.
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y(6.23x-4.81)-3.19y???
Answer:
6.23yx-8y
Step-by-step explanation:
simplified answer!
What is the slope of the line that passes through the points (−4,−6) and (1,−6)? Write your answer in simplest form.
Answer:
0
Step-by-step explanation:
The [tex]y[/tex] coordinates are the same, meaning the line is horizontal. Thus, the slope is 0.