Claim: The expressions defining m and p are not equivalent.
Evidence: To show that the expressions are not equivalent, we can expand both functions and compare them term by term.
Reasoning: We can also compare the vertex and x-intercepts of both functions to further support our claim.
What is CER?CER (Claim, Evidence, and Reasoning) is a framework commonly used in scientific writing and critical thinking to help structure arguments and explanations.
The CER framework is often used in science classrooms to teach students how to write scientific arguments. Here's a breakdown of each component:
Claim: The claim is the main argument or point being made. It should be a concise statement that is clear and specific.
Evidence: Evidence is the information or data that supports the claim. This can include scientific research, experiments, observations, or other types of data.
Reasoning: Reasoning is the explanation of how the evidence supports the claim. It should be a clear and logical explanation that connects the evidence to the claim.
In the given question,
Claim: The expressions defining m and p are not equivalent.
Evidence: To show that the expressions are not equivalent, we can expand both functions and compare them term by term:
m(x) = x(x + 6) = x² + 6x
p(x) = (x + 3)² - 9 = x² + 6x + 9 - 9 = x² + 6x
We can see that both functions have the same terms x² and 6x, but m(x) has an additional term of 0x, while p(x) has an additional constant term of 0. Therefore, the expressions defining m and p are not equivalent.
Reasoning: We can also compare the vertex and x-intercepts of both functions to further support our claim.
The vertex of m(x) is located at (-3, -9), since it is a quadratic function with a leading coefficient of 1, and the x-coordinate of the vertex is given by -b/2a = -6/(2*1) = -3. The vertex of p(x) is also located at (-3, -9), since it is a quadratic function in vertex form.
The x-intercepts of m(x) are 0 and -6, since m(x) is equal to 0 when x = 0 or x = -6. The x-intercept of p(x) is -3, since p(x) is equal to 0 when x = -3.
Therefore, we can see that while the vertex of both functions is the same, their x-intercepts are different, which further confirms that the expressions defining m and p are not equivalent.
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Solve for x.
6+17x=-15+14x
Simplify your answer as much as possible.
Answer: \(x=-7\)
Step-by-step explanation:
isolate the x by subtracting anyone, I'm going to subtract 14x from both sides so,
\(6+3x=-15\)
then subtract 6 from both sides to get x by itself so,
\(3x=-21\) [-15-6 is -21]
then divide both sides by 3 to simplify x so,
\(x=-7\) [-21/3 is -7]
is figure pqrstu a translation, reflection, or rotation? Explain your reasoning
PLEASE HELP ME
Answer: I'd say reflection
Answer:
It is a reflection
Step-by-step explanation:
In Geometry, a reflection is known as a flip. A reflection is a mirror image of the shape. An image will reflect through a line, known as the line of reflection. A figure is said to reflect the other figure, and then every point in a figure is equidistant from each corresponding point in another figure.
Marisa has $26 in her purse. She pays $5 for lunch. Which expression represents this situation?
Answer: 26-5
Step-by-step explanation:
literally you take 5 aways from 26
if anybody could help with this, i can give brainliest
Answer:
A.
Step-by-step explanation:
He already had 100 into the account so we add that, 25x is derived from the fact that x=the amount of months and 25 is the amount per a month he saves.
PLEASE HELP QUICK!!!!!!! WILL GIVE BRAINIEST!!!!!!!!
Answer:
C. The answer is molecular motion.
Step-by-step explanation:
When a molecule moves it would heat up. Therefore, by moving it would heat up.
For one Geometry test, Nancy correctly answered 18 questions. These correct answers gave her a percent score of 72%. In total, how many questions were on this Geometry test?
Answer:
25 questions.
Step-by-step explanation:
Correct answer = 18
The percent score of the correct answers is 72%.
Let there are x questions in the test. So,
According to the given condition,
\(72\%\ of\ x=18\\\\\dfrac{72}{100}x=18\\\\x=\dfrac{18\times 100}{72}\\\\x=25\)
Hence, there were 25 questions in the geometry test.
if 30% of r is 33, what is 70% of R
Answer:
77
Step-by-step explanation:
We Know
30% of r = 33
Find 1% by taking
33 / 30 = 1.1
What is 70% of R?
We take
1.1 x 70 = 77
So, 70% of R is 77
The question requires to first find the value of R by solving the equation (0.30*R = 33). Then, calculate 70% of R by multiplying the found R value with 0.70.
Explanation:The question tells us that 30% of R equals 33. To find the value of R, we can set up an equation where 0.30 (which is 30% in decimal form) times R equals 33. Dividing both sides of the equation by 0.30 will give us the value for R. Once we have found R, we can then find 70% of R by multiplying R by 0.70 (70% in decimal form).
Step-by-step:Set up an equation: 0.30*R = 33Solve for R: R = 33 ÷ 0.30 Calculate 70% of R: 0.70 * R Learn more about Percentage Calculations here:https://brainly.com/question/329987
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What amount would yield an interest of $66 in 2 years at 3% p.a.?
Please help me i don't know what to do
The diagonal bisects KE is divided into two equal sides, KN and NM, then, KN = MN
ACEG is a square because a quadrilaterals has four congruent sides and four right angles, with two sets of parallel sides
How to prove the statementTo prove the statement, we have to know the different properties of a parallelogram.
We have;
Opposite sides are parallel. Opposite sides are congruent.Opposite angles are congruent. Same-side interior angles are supplementary. Each diagonal of a parallelogram separates it into two congruent triangles.The diagonals of a parallelogram bisect each other.The diagonal bisects KE is divided into;
KN and NM thus KN = MN
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If the number of students taking online courses is increasing at a rate of 7% per
year, how long would it take for the number of students taking online courses to
double?
a) about 28.57 years
b) about 2.8 years
c) about 14.3 years
d) about 10.24 years
Answer:
it will take about 14.3 years
Three partners x,y and z con an amount of kush 1400000 for an investment .The profit from the investment is to be shared based on contribution of each.A profit of kush 250000 after one month.If x got 60000 ,y 110000 and the remainder was Z. Calculate the ratio of the contribution
Answer:
The ratio of the contribution in the order x:y:z is;
6:11:8
Step-by-step explanation:
Herr, we want to know the ratio of the contribution
The title profit is 250,000
What Z got will be;
250,000-60,000-110,000 = 80,000
So the ratio of the contribution following x,y,z will be ;
60,000:110,000:80,000
= 6:11:8
Solve for x and y
4x+y=23
3x-y=12
Answer: y = 3, x = 5
Step-by-step explanation:
Solution by substitution method
4x+y=23
3x-y=12
Suppose,
4x+y=23→(1)
and 3x-y=12→(2)
Taking equation (1), we have
4x+y=23
⇒y= -4x+23→(3)
Putting y= -4x+23 in equation (2), we get
3x-y=12
3x-1(-4x+23)=12
⇒3x+4x-23=12
⇒7x-23=12
⇒7x=12+23
⇒7x=35
⇒x=5→(4)
Now, Putting x=5 in equation (3), we get
y=-4x+23
⇒y=-4(5)+23
⇒y=-20+23
⇒y=3
∴y=3 and x=5
Answer:
(x,y)=(5,3)Step-by-step explanation:
Substitution Method
\(\begin{bmatrix}4x+y=23\\ 3x-y=12\end{bmatrix}\\\\Isolate \:and\: solve\:for\:x :\\4x+y=23 =x=\frac{23-y}{4}\\\\\mathrm{Substitute\:}x=\frac{23-y}{4}\\\\\begin{bmatrix}3\cdot \frac{23-y}{4}-y=12\end{bmatrix}\\\\Simplify\\\\\begin{bmatrix}\frac{69-7y}{4}=12\end{bmatrix}\\\\Isolate \:and\: solve\:for\:y :\\\\\frac{69-7y}{4}=12\\\\y =3\\\\\mathrm{For\:}x=\frac{23-y}{4}\\\\\mathrm{Substitute\:}y=3\\\\x=\frac{23-3}{4}\\\\\frac{23-3}{4} =5\\\\x=5,\:y=3\)
Elimination Method
\(\begin{bmatrix}4x+y=23\\ 3x-y=12\end{bmatrix}\\\\\mathrm{Multiply\:}4x+y=23\mathrm{\:by\:}3\:\\\mathrm{:}\:\quad \:12x+3y=69\\\\\mathrm{Multiply\:}3x-y=12\mathrm{\:by\:}4\:\\\mathrm{:}\:\quad \:12x-4y=48\\\\\begin{bmatrix}12x+3y=69\\ 12x-4y=48\end{bmatrix}\\\\12x-4y=48\\-\\\underline{12x+3y=69}\\-7y=-21\\\\Solve :-7y=-21\\\\\mathrm{Divide\:both\:sides\:by\:}-7\\\frac{-7y}{-7}=\frac{-21}{-7}\\\\Simplify\\y=3\\\\\mathrm{For\:}12x+3y=69,\\\mathrm{\:plug\:in\:}y=3\\\)
\(Solve :12x+3\cdot \:3=69\\\\12x+9=69\\\\12x+9-9=69-9\\\\Simplify\\\\12x=60\\\\\mathrm{Divide\:both\:sides\:by\:}12\\\\\frac{12x}{12}=\frac{60}{12}\\\\Simplify\\\\x=5\\\\\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:}\\\\x=5,\:y=3\)
CAN SOMEBODY PLEASE HELP ME WITH THIS?
What is 1.28×10 power negative 1 ×10 power negative 2
Answer:
0.00128
Step-by-step explanation:
1.28 x 10^-1 x 10^-2
1.28 x 0.1 x 0.01
1.28 x 0.1 x 0.01
0.00128
Andrew spents 1 1/6 hours studying for his science exam. He spends another 1 1/2 studying for his history exam. How many hours did he spend studying in all
Answer:Andrew spent 2 2/3 hours studying in all
Step-by-step explanation:
hours spent studying for his science exam=s 1 1/6 hours
hours spent studying for his history exam= 1 1/2
Total hours spent studying both subjects =1 1/6 hours+1 1/2 hours
add whole numbers to whole numbers and fraction to fraction
1 1/6 hours+1 1/2 hours
=2 1+3 /6
=2 4/6 =2 2/3 hours
A random sample of small business stock prices has a sample mean of x¯=$54. 82 and sample standard deviation of s=$8. 95. Use the Empirical Rule to estimate the percentage of small business stock prices that are more than $81. 67
The estimated percentage of small business stock prices that are more than $81.67 is approximately 0.3%.
To estimate the percentage of small business stock prices that are more than $81.67 using the Empirical Rule, we need to determine the z-score for $81.67 and then find the corresponding percentage using the standard normal distribution.
The z-score can be calculated using the formula:
z = (x - μ) / σ
where x is the value we are interested in ($81.67), μ is the mean ($54.82), and σ is the standard deviation ($8.95).
z = ($81.67 - $54.82) / $8.95
≈ 3.00
Now, we can use the Empirical Rule to estimate the percentage.
According to the Empirical Rule:
Approximately 68% of the data falls within one standard deviation of the mean.
Approximately 95% of the data falls within two standard deviations of the mean.
Approximately 99.7% of the data falls within three standard deviations of the mean.
Since we are interested in prices more than $81.67, which is three standard deviations away from the mean, we can estimate that approximately 0.3% of the data will be beyond this point.
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5a) Determine the measure of each unknown angle
Answer:
Step-by-step explanation:
25, i think
The functions u and w are defined as follows.
u(x) = 2x+2
w(x) = – 2x² +2
Find the value of w (u(2)).
Answer:
w(u(2)) = -70
Step-by-step explanation:
u(x) = 2x + 2
w(x) = -2\(x^{2}\) + 2
w ( u (2) )
Find u(2), substitute in 2 for x in the function u.
u(2) = 2(2) + 2
= 4 + 2
= 6
w(u(2))
= w(6)
Now subsitute in 6 for x, in the function w.
w(6) = -2\((6)^{2}\) + 2
= -2 * 36 + 2
= -72 + 2
= -70
w(6) = -70
w(u(2)) = -70
1) Which expression is equivalent to 4 - (-7)?A 7 + 4B 4 - 7C-7-4D - 4 + 7
Answer:
\(4-(-7)=7+4\)Explanation:
Given the expression;
\(4-(-7)\)simplifying;
\(-\times-=+\)we have;
\(4+7=7+4\)Therefore;
\(4-(-7)=7+4\)Ziptrac commuter trains carry passengers between the three cities of Amra, Delta, and Gabrin. Trains leave Amra promptly on the half hour beginning at 8 am, and travel 10 miles to Delta. After a 10 minute stopover the trains then travel for 50 minutes to Gabrin. However, every third train originating from Amra is a one-hour express to Gabrin that does not stop at Delta. From the Amra station, commuters can also take a local bus, which leaves promptly every half hour starting at 9:30 am, to the Delta station. The local bus travels 3/4 as fast as the train, while the train travels 10 miles per hour faster than the bus does
It seems like there are multiple options for commuters traveling between these three cities, including taking a train from Amra to Delta and then transferring to another train to continue on to Gabrin, or taking a bus from Amra to Delta instead.
It sounds like the Ziptrac commuter trains provide transportation between the cities of Amra, Delta, and Gabrin. The trains leave Amra on the half hour starting at 8 am and travel 10 miles to Delta. After a 10 minute stopover in Delta, the trains then travel for 50 minutes to Gabrin.
However, every third train originating from Amra is a one-hour express to Gabrin that does not stop at Delta. This means that two out of every three trains will stop at Delta before continuing on to Gabrin, while one out of every three trains will be an express train that goes straight from Amra to Gabrin without stopping at Delta.
In addition to the trains, commuters can also take a local bus from the Amra station to the Delta station. The local bus leaves promptly every half hour starting at 9:30 am and travels at a speed that is 3/4 as fast as the train. However, the trains travel 10 miles per hour faster than the bus does.
Overall, it seems like there are multiple options for commuters traveling between these three cities, including taking a train from Amra to Delta and then transferring to another train to continue on to Gabrin, or taking a bus from Amra to Delta instead.
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please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Step-by-step explanation:
cos F = HF/FG
cos 52° = x/(4.3)
0.6 = x/4.3
=> x = 4.3 × 0.6
x = 2.58
so the length of HF = 2.58 = 2.6 ft
PLEASE HELP ME!!! Which of the following graphs represents a function?
I dont really know but I believe its D.
If m angle EFH = (5x+1), m angle HFG = 62 degrees, m angle EFG = (18x+11), find each measure
The measure of each angles are 21 and 83degrees
Addition postulateA line is defined as the distance between two points while an angle is the point where two lines intersect.
From the diagram shown, the expression below is true;
<EFH + <HFG = <EFG
Substitute the given parameters to have:
5x+1 + 62 = 18x + 11
Collect the like terms
5x - 18x = 11 - 63
-13x = -52
x = 52/13
x = 4
Find each measure
<EFH = 5(4) + 1
<EFH = 21
degrees
<EFG = 18(4) +11
<EFG = 72 + 11
<EFG = 83 degrees
Hence the measure of each angles are 21 and 83degrees
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suppose that this decade begins on 1 january 2020 which is wednesday and the next decade begins on 1 january 2030. how many Wednesday are there in this decade?
Answer:
521
365 *10 = 3650
365/7 = 521.4
Step-by-step explanation:
For which of the following is x = -5 a solution? Select all that apply.
Answer:
Options 2, 3, 4, 5 are the solutions.
Step-by-step explanation:
Option 1).
x + 10 = -5
x = -10 - 5
x = -15
Therefore, x = -5 is not the solution.
Option 2).
-x² + 50 = 25
-x² = 25 - 50
-x² = -25
x² = 25
x = ±5
Therefore, x = -5 is a solution
Option (3)
|2x| = 10
2x = ± 10
x = ± 5
Therefore, x = -5 is a solution.
Option (4)
x < 0
Since, -5 < 0
Therefore, x = -5 is a solution.
Option (5)
2x < 10
x < 5
Since, -5 < 5
Therefore, x = -5 is a solution.
Options 2, 3, 4, 5 are the solutions.
The function f(x) is shown below.
If g(x) is the inverse of f(x), what is the value of f(g(2))?
Answer:
f(g(2)) = 2
Step-by-step explanation:
g(2)
g is the inverse function of x, which means that \(g(2)\) is the value of x for which \(f(x) = 2\), which is \(x = -3\), and thus, \(g(2) = -3\)
f(g(2))
\(g(2) = -3\)
Thus
\(f(g(2)) = f(-3)\)
Looking at the table, when \(x = -3, f(x) = 2\)
Thus: \(f(g(2)) = 2\)
The 99 confidence interval for a population proportion is [0.24, 0.86]. what is the sample mean proportion?
The sample mean proportion is 0.55.
The question is asking for the sample mean proportion. To find the sample mean proportion, we need to take the average of the lower and upper bounds of the confidence interval.
In this case, the lower bound of the confidence interval is 0.24 and the upper bound is 0.86. To find the sample mean proportion, we add these two values together and divide by 2:
(0.24 + 0.86) / 2 = 1.1 / 2 = 0.55
Therefore, the sample mean proportion is 0.55.
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Consider the set of digits to write numbers in decimal notation, i.e., set of digits = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9} a) How many 3-digits numbers are even?
b) How many 3-digits numbers have odd sum of digits?
C) How many 5-digits even numbers are there if reversing the order of the digits?, it is still the same number? Note that reversing the number 1234 we obtain 4321.
a) There are 450 3-digit even numbers.
b)There are 225 3-digit numbers with an odd sum of digits.
c)there are 4,500 5-digit even numbers that remain the same when their digits are reversed.
a) To determine the number of 3-digit even numbers, we need to consider the choices for each digit.
For the first digit, we have 9 choices (1 to 9) since the number cannot start with 0.
For the second and third digits, we have 10 choices each (0 to 9) since they can be any digit.
Since the number needs to be even, the last digit must be one of {0, 2, 4, 6, 8}. Therefore, there are 5 choices for the last digit.
To find the total number of 3-digit even numbers, we multiply the number of choices for each digit: 9 * 10 * 5 = 450.
Therefore, there are 450 3-digit even numbers.
b) To determine the number of 3-digit numbers with an odd sum of digits, we can consider the choices for each digit.
For the first digit, we have 9 choices (1 to 9) since the number cannot start with 0.
For the second and third digits, we have 10 choices each (0 to 9) since they can be any digit.
To ensure odd sum of digits, we can have one of the following combinations:- Odd + Odd + Odd = Odd
- Odd + Even + Odd = Odd
- Even + Odd + Odd = Odd
Therefore, the possible combinations for the sum of the second and third digits are: {1, 3, 5, 7, 9}.
For the first digit, there are no restrictions, so we have 9 choices.
For the second and third digits, we have 5 choices each (from the set {1, 3, 5, 7, 9}).
To find the total number of 3-digit numbers with an odd sum of digits, we multiply the number of choices for each digit: 9 * 5 * 5 = 225.
Therefore, there are 225 3-digit numbers with an odd sum of digits.
c) To determine the number of 5-digit even numbers that remain the same when their digits are reversed, we need to consider the choices for each digit.
For the first digit, we have 9 choices (1 to 9) since the number cannot start with 0.
For the second and fourth digits, we have 10 choices each (0 to 9) since they can be any digit.
For the third digit, since it needs to remain the same when reversed, it must be an even digit. Therefore, we have 5 choices (0, 2, 4, 6, 8) for the third digit.
For the fifth digit, it must be the same as the first digit to ensure the number remains the same when reversed. Therefore, there is only 1 choice the fifth digit.
To find the total number of 5-digit even numbers that remain the same when their digits are reversed, we multiply the number of choices for each digit: 9 * 10 * 5 * 10 * 1 = 4,500.
Therefore, there are 4,500 5-digit even numbers that remain the same when their digits are reversed.
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12/55 × 15/16 Give your answer as a fraction in its simplest form.
Answer:
9/44
Step-by-step explanation:
12 * 15
55 16
12 * 15 = 180
55 * 16 = 880
180
880
/2
90
440
/2
45
220
/5
9
44
Lewis is rolling a 10-sided die 250 times. Each side of the die is labeled with a number 1 – 10. Based on the theoretical probability, how many times would Lewis be expected to roll a multiple of 3?
25
30
75
83
Answer:
is 30 because 3 multiply by 10 is 30