Answer:
I tried but yes!
Step-by-step explanation: If your trying to simplify i wouldn't gradually use 10 because have look at this.
Thirds are calculated by dividing by 3. For example: One third of 24 =1/3 of 24 = 24/3 = 8. One third of 33 =1/3 of 33 = 33/3 = 11. If this doesn't help im sorry!
ashura will be mine ;) no one will take him from me
what now? nobody wants him but you. i don't even know what he looks like lol. I won't take him.
Marco needs to buy some cat food if the next two or three bags of cat food cost 17.25 how much with Marco spend on two bags of cat food
Answer is in the file below
tinyurl.com/wpazsebu
Answer:
34.50
Step-by-step explanation:you multiply 17.25 times two because thats the amount of bags there is so that will give you 34.50
**NEED ANSWER ASAP** write an equation of a line that passes through the x-intercept 4 with slope -3
Answer:
y=4x+-3 is your equation
According to the same report, the 28.5 million passengers in 2018 represented a 6.7% increase in cruise passengers since 2017. how many cruise passengers must there have been in 2017? write your answer in millions and rounded to two decimal places.
The number of cruise passengers must there have been in 2017 is 26.7 million.
What is percentage?The term "percentage" comes from the Latin phrase "per centum," meaning "by the hundred." Percentages represent fractions with a denominator of 100. In other terms, it is the relationship between portion and whole in which the value of the whole is always assumed to be 100.
Now according to the question;
Let x represent the total number for cruise passengers during 2017.
In 2018, a 6.7% rise in x results in 28.5 million cruise passengers.
So, 106.7 % of x = 28.5
\(\begin{aligned}&\frac{106.7}{100} * x=28.5 \\&\frac{106.7 x}{100}=28.5\end{aligned}\)
Multiplying both sides by 100;
\(\begin{aligned}&\frac{106.7 x}{100} * 100=28.5 * 100 \\&106.7 x=2850\end{aligned}\)
Dividing both sides by 106.7;
\(\frac{106.7 x}{106.7}=\frac{2850}{106.7}\)
x = 26.7
Therefore, the number of cruise passengers in 2017 must have ranged from 26.7 million.
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f(x)=-3x^3+x^2+2x rises as x grows very large
Answer:
False
Step-by-step explanation:
See the attached image - except for a very small part, as x increases, f(x) decreases
Please help me with this
Answer:
one solution
Step-by-step explanation:
7(x-4)=4x+5
solve for x
7x-28=4x+5
3x=33
x=11
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Question
Formulas
Darcy read her thermometer in the morning and the
temperature was -2°C. In the afternoon the same
thermometer showed a temperature of -5' c.
Which of the following is true?
The temperature was 7 degrees colder in the afternoon.
The temperature was 3 degrees colder in the afternoon.
The temperature was 7 degrees warmer in the afternoon.
The temperature was 3 degrees warmer in the afternoon.
Time
Remaining
57:31
The temperature was 3 degrees colder in the afternoon.
Explanations:
Given the following temperature values
• Temperature of thermometer in the morning = -2°C.
,• Temperature of thermometer in the evening = -5°C.
Find the change in temperature
\(\begin{gathered} \triangle t=-5^0C-(-2^0C) \\ \triangle t=-5^0C+2^0C \\ \triangle t=-3^0C \end{gathered}\)Note that the lower the temperature, the colder it will be and the higher the temperature, the warmer.
Since the temperature in the afternoon is lower than the temperature in the morning, hence the temperature is colder in the afternoon.
Based on the explanations above we can conclude that the temperature was 3 degrees colder in the afternoon.
Can someone help me please ASAP
The length of side RQ is 13.00 ft.
Given that a triangle RPQ, with sides RP = 8 ft, PQ = 13 ft and angle P between these sides equal to 71°, we need to find the length of side RQ which is opposite to the angle P,
To find the length of side RQ using the cosine rule, we can use the formula:
RQ² = RP² + PQ² - 2 RP PQ Cos(P)
Let's plug in the given values:
RP = 8 ft
PQ = 13 ft
angle P = 71°
Now we can calculate RQ:
RQ² = 8² + 13² - 2 × 8 × 13 × cos(71°)
Using a calculator, we can evaluate the cosine term:
RQ² = 64 + 169 - 208 × cos(71°)
RQ² ≈ 64 + 169 - 208 × 0.3072
RQ² ≈ 64 + 169 - 63.9936
RQ² ≈ 169.0064
Taking the square root of both sides:
RQ ≈ √169.0064
RQ ≈ 13.00 ft (rounded to two decimal places)
Therefore, the length of side RQ is 13.00 ft.
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Write an expression for the sum of 7 and a number
Answer:
7+x
Step-by-step explanation:
You need to break down the question so starting with the word sum you know that it means addition. You then see the number 7 and addition so then you know thaat it is 7 plus something and then you can choose a variable and plug it in to be 7+x
Ziyionnah forgot her locker combination. She thinks the first number is a 2, 3, 4 or 5. She is pretty sure the second number is 19 or 20. How many possible locker combinations are there?
is anyone expert here in data forecasting methods? I need some help in some topics like time series(holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series. please reply if you can help me with these topics
Yes, there are experts here in data forecasting methods who can help you with the topics you've mentioned including time series (holts, holts winter), naive method, regression, acf, pacf, arima, stl method and multivariate time series.
Below are brief explanations of each of these terms:
Time Series: A time series is a sequence of observations of a particular quantity measured over time. Holts Method: The Holt’s method is a forecasting method that forecasts the data by taking into account the trend component along with the level component. Holts Winter Method: Holt's winter model is used to forecast seasonal univariate time series.Naive Method: The naive method is a forecasting method that uses the most recent observation as a forecast for the next time period.Regression: Regression is a statistical method used to estimate the strength and direction of the relationship between two or more variables.ACF & PACF: Autocorrelation function (ACF) and partial autocorrelation function (PACF) are statistical tools used to determine the nature of the correlation between a variable and its lag.ARIMA: ARIMA stands for AutoRegressive Integrated Moving Average. ARIMA is a forecasting technique that uses past data points to predict future values.STL Method: STL is a time series decomposition method that separates a time series into three components: trend, seasonality, and random.Multivariate Time Series: Multivariate time series analysis deals with the analysis of time series data that involves more than one variable.Based on the topics you've mentioned, you may want to ask specific questions regarding these topics to get more detailed answers.To know more about data forecasting, visit
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The number of copies made each week by teachers at Langley High School follows a bell-shaped distribution with a mean of 550 copies and standard deviation of 185 copies. Mr Thomas Made 782 copies last week. His z-score is at 1.25. Which of the following statements is best interpret his value
Answer:
it should be 300
Step-by-step explanation:
Answer:
The number of copies Mr. Thomas made is 1.25 standard deviations more than the mean number of copies of teachers at Lamley High School.
Step-by-step explanation:
One card is selected at random from a deck of cards. Find the probability of selecting the following possibilities in the first column.
Note: Write your answer in simplest form and separate the numerator and denominator using a slash "/".
Answer:
2/13
4/13
1/2
Step-by-step explanation:
There's 4 kings and 4 queens==> (4+4)/52 = 2/13
13 hearts and 4 '6's, however don't over count the heart 6===> (13+4-1)/52 = 4/13
Red contains diamonds, so==> 26/52 = 1/2
A jewelry store has 212.75 ounces of 14-carat gold in stock. (a) how many custom necklaces can be manufactured if each requires 2 7/8 ounces of gold? (b) if gold is currently selling for $1,050 per ounce, how much is the gold in each necklace worth (in $)?
Answer:
a. The number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces.
b. The value of the gold in each necklace is $1761
Step-by-step explanation:
(a) Number of necklaces
2\(7/8\) ounces of gold=2.875
No of necklaces=212.75oz x 1 necklaces/2.875oz
=74 necklaces
(b)Value of gold in each necklace
There are 2.875 oz of 14K gold in each necklace. Pure gold is 24K.
Mass of pure gold=2.875oz x 14k/24k
=1.677083oz
Pure 24K gold is worth $1050/oz.
Value of pure gold=1.677oz x 1050/1oz
= 1760.9 dollars
The value of the gold in each necklace is $1761
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The number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces and the value of the gold in each necklace is $ 1761.
2 ounces of gold = 2.875 oz.
Number of necklaces = 212.75 oz. x 1 necklaces / 2.875 oz.
= 74 necklaces
Value of gold in each necklace
There are 2.875 oz. of 14K gold in each necklace.
Mass of pure gold=2.875 oz. x 14 k / 24 k
= 1.677083 oz.
Pure 24K gold is worth $ 1050 / oz.
Value of pure gold= 1.677oz x 1050 / 1oz
= 1760.9 dollars
The value of the gold in each necklace is $1761
Therefore, the number of custom necklaces that can be manufactured if each requires 2 7/8 ounces of gold is 74 necklaces and the value of the gold in each necklace is $ 1761.
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I need help please with 6, 7 and 8
6. Solution for |2x-3| = |x| are x = 1,3
7. Solution for 8 + |4v - 7| ≥ 17 is,
v ≥ 4 , v ≤ -1/2
8. Number of computer meets in the condition = 6
Average:
Average of given number is given by sum of all numbers divided by total number of numbers.
6. |2x-3| = |x|
Case I :
when x<0
|2x-3| = |x|
-(2x-3) = -x
-2x + 3 = -x
2x - x = 3
x = 3 ( Not possible as x<0 )
No solution in this case.
Case II :
when 0< x< 3/2
|2x-3| = |x|
-(2x -3) = x
-2x + 3 = x
2x +x = 3
3x = 3
x =1 (Valid solution)
Case III :
when x>3/2
|2x-3| = |x|
2x-3 = x
2x -x =3
x = 3 (Valid solution)
Thus solution for |2x-3| = |x| are x = 1,3
7.
8 + |4v - 7| ≥ 17
|4v - 7| ≥ 17 -8
|4v - 7| ≥ 9
⇒ 4v - 7 ≥ 9
4v ≥ 9+7
v ≥ 4
and,
4v - 7 ≤ - 9
4v ≤ -2
v ≤ -1/2
Thus solution for 8 + |4v - 7| ≥ 17 is,
v ≥ 4 , v ≤ -1/2
8.
We know,
Average of quantity = sum of quantity / Number of quantity
For the given question,
Sum of price of all computer = $ (890+650+ 660+450+ 725+750+370+670+650+825)
= $ 6640
and Number of computer = 10
Average price of computer = $ 6640/10
= $ 664
Absolute deviation is $100
So i can pay price between
($ 664 - $100) to ($ 664 + $100)
that is $564 to $764
Number of computer meets in this condition = 6
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25) lan bikes 18 mph for 15 miles. Which is true? a. lan rode exactly 1 hour b. lan rode more than 1 hour C. lan rode less than 1 hour
Answer:
C. Ian rode less than 1 hour
Step-by-step explanation:
It never hurts to think about what the problem statement is telling you. Ian rode at a speed that would take him 18 miles in 1 hour.
InterpretationClearly, Ian would pass the 15-mile mark in a 1-hour ride before an hour had elapsed. If he only rode 15 miles, he rode less than 1 hour.
The actual time Ian rode is given by the relation between speed, time, and distance.
time = distance/speed
time = (15 mi)/(18 mi/h) = (15/18) h = 5/6 h
Ian's riding time was 5/6 of an hour, which is less than 1 hour.
Confused on what operation symbols to put.
Answer:
4x(3+2)-6x1
Step-by-step explanation:
4 x ( 3+2) -6x1
4 x 5- 6
20 - 6
= 14
I hope I helped <33
Solve the equation in standard form
The solutions to the equation -30x² + 9x + 60 = 0 are x = 5/2 and x = -4/5.
To solve the equation, we can start by bringing all the terms to one side to have a quadratic equation equal to zero. Let's go step by step:
-5/3 x² + 3x + 11 = -9 + 25/3 x²
First, let's simplify the equation by multiplying each term by 3 to eliminate the fractions:
-5x² + 9x + 33 = -27 + 25x²
Next, let's combine like terms:
-5x² - 25x² + 9x + 33 = -27
-30x² + 9x + 33 = -27
Now, let's bring all the terms to one side to have a quadratic equation equal to zero:
-30x² + 9x + 33 + 27 = 0
-30x² + 9x + 60 = 0
Finally, we have the quadratic equation in standard form:
-30x² + 9x + 60 = 0
Dividing each term by 3, we get:
-10x² + 3x + 20 = 0
(-2x + 5)(5x + 4) = -10x² + 3x + 20
So, the factored form of the equation -30x² + 9x + 60 = 0 is:
(-2x + 5)(5x + 4) = 0
Now we can set each factor equal to zero and solve for x:
-2x + 5 = 0 --> x = 5/2
5x + 4 = 0 --> x = -4/5
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if 11 is subratecet from 4 times a number the result is 89 find the number
Answer:
25
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
4x-11=89
4x=89+11
4x=100
x= 25
I hope this will help
Question 2 20 pts A p-value for correlation which is statistically significant implies the correlation is due to random chance. True O False Question 5 20 pts For each one unit increase in X we expect Y to increase by b1 units, on average. Interpretation of the intercept Interpretation of a residual Interpretation of r-squared Interpretation of the slope
A p-value for correlation which is statistically significant implies the correlation is due to random chance. The correct solution to this is False.
A p-value for correlation which is statistically significant implies that it is unlikely that the observed correlation is due to random chance alone. In other words, it suggests that there is evidence to support the presence of a true correlation between the two variables being studied. The p-value is a measure of the strength of evidence against the null hypothesis (i.e., that there is no correlation between the two variables), and a smaller p-value indicates stronger evidence against the null hypothesis.
Interpretation of the intercept: The intercept in a linear regression model represents the value of the dependent variable when all independent variables are equal to zero. It is the value of the dependent variable when there is no effect of the independent variable(s) on it. For example, in a regression model predicting height based on age, the intercept would represent the expected height of a person at age zero (which is not a realistic scenario).
Interpretation of a residual: A residual is the difference between the actual observed value of the dependent variable and the predicted value of the dependent variable based on the regression model. It represents the part of the dependent variable that the model was not able to explain. A positive residual means that the actual value is greater than the predicted value, while a negative residual means that the actual value is smaller than the predicted value.
Interpretation of r-squared: R-squared is a measure of how much of the variation in the dependent variable is explained by the independent variable(s) in the regression model. It ranges from 0 to 1, with higher values indicating a better fit of the model to the data. Specifically, it represents the proportion of the total variation in the dependent variable that is explained by the independent variable(s) in the model. For example, if r-squared is 0.75, it means that 75% of the variability in the dependent variable is explained by the independent variable(s) in the model.
Interpretation of the slope: The slope in a linear regression model represents the change in the dependent variable that is associated with a one-unit increase in the independent variable, holding all other variables constant. It reflects the average change in the dependent variable for each unit change in the independent variable. For example, in a regression model predicting height based on age, the slope would represent the average change in height for each additional year of age.
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(q66) Approximate the integral
using Trapezoidal rule, where n = 4.
Answer:
A. 1.921
Step-by-step explanation:
The Trapezoid Rule is a numerical method used to approximate the value of a definite integral. It is based on approximating the area under a curve by dividing it into a series of trapezoids and summing their areas.
The general formula for the Trapezoid Rule is as follows:
\(\displaystyle \int_{a}^{b} y\: \:\text{d}x \approx \dfrac{1}{2}h\left[(y_0+y_n)+2(y_1+y_2+...+y_{n-1})\right] \quad \textsf{where }h=\dfrac{b-a}{n}\)
Essentially, this means add the first and last heights (y₀ + yₙ) to twice the sum of all the other heights, then multiply the result by h/2.
Given definite integral:
\(\displaystyle \int^3_1 \left(\sin\sqrt{x}\right)\; \text{d}x\)
Therefore:
\(y = \sin \sqrt{x}\)a = 1b = 3Given n = 4, calculate the value of h (the width of each trapezoid):
\(h=\dfrac{3-1}{4}=\dfrac{2}{4}=\dfrac{1}{2}\)
Therefore, the width of each trapezoid is 0.5.
This gives the values of x₀ = 1, x₁ = 1.5, x₂ = 2, x₃ = 2.5, and x₄ = 3.
Calculate the value of y for each of value of x:
\(\begin{array}{|l|c|c|c|c|c|}\cline{1-6}\vphantom{\dfrac12}x&1&1.5&2&2.5&3\\\cline{1-6}\vphantom{\dfrac12}y&\sin \sqrt{1}&\sin \sqrt{1.5}&\sin \sqrt{2}&\sin \sqrt{2.5}&\sin \sqrt{3}\\\cline{1-6}\end{array}\)
Now use the formula to find the approximate value of the integral:
\(\begin{aligned}\displaystyle \int_{1}^{3} \left(\sin \sqrt{x}\right)\: \:\text{d}x & \approx \dfrac{1}{2}\cdot \dfrac{1}{2}\left[(\sin\sqrt{1}+\sin \sqrt{3})+2(\sin \sqrt{1.5}+\sin \sqrt{2}+\sin \sqrt{2.5})\right]\\\\&=\dfrac{1}{4}\left[1.828...+2(2.928...)\right]\\\\&=\dfrac{1}{4}\left[1.828...+5.856...\right]\\\\&=\dfrac{1}{4}\left[7.685...\right]\\\\&=1.92134030...\\\\&=1.921\; \sf (3\;d.p.)\end{aligned}\)
Therefore the approximation of the integral using the Trapezoid Rule is 1.921.
When solving for x, the sine of 33º is used. What other angle and trigonometric function could be used to solve for x? a. cos 57º c. tan 57º b. tan 33º d. cos 33º
hurry
Answer:
The answer is A.Cos 57.
Step-by-step explanation:
Took the test..
Como expresar este ejercisio por cada 6 cuadrados hay 3 círculos.
The ways that the exercise can be expressed such that for every 6 squares there are 3 circles include:
Ratio FormProportional statement Equation form How to express the exercise ?This question is asked in Spanish on an English site so the answer will be provided in English for better learning by other students.
The ratio of squares to circles is 6:3 or simplified, 2:1. This means for every 2 squares, there is 1 circle.
You could also use a proportional statement such that the number of squares is twice the number of circles. For every 6 squares, there are 3 circles.
There is also equation form where we can say, if S is the number of squares and C is the number of circles, the relationship could be expressed as S = 2C. This means the number of squares is twice the number of circles.
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The translated question is:
How to express this exercise for every 6 squares there are 3 circles.
you have a cup with 19 coins inside. the total inside the cup is 1.30. determine how many nickels and dimes are inside the cup
There are 12 nickels and 7 dimes in the cup.
What is equation?An equation can be described mathematically as a statement that supports the equality of two expressions joined by the equals sign "=".
Let x be the number of nickels and y be the number of dimes in the cup.
We know that:
x + y = 19 (the total number of coins)
0.05x + 0.10y = 1.30 (the total value of coins in dollars)
We can use the first equation to express y in terms of x:
y = 19 - x
Substituting this into the second equation, we get:
0.05x + 0.10(19 - x) = 1.30
0.05x + 1.90 - 0.10x = 1.30
-0.05x = -0.60
x = 12
Therefore, there are 12 nickels and 7 dimes in the cup.
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Alissa has two pieces of carpet runner one is 2 1/3 yards long and the other is 3 1/3 yard long she needs 10 yards of carpet runner altogether how much more does she need to buy
Which of the following statement(s) about multiple regression analysis is FALSE?A. Multiple regression analysis allows you to analyze more than one dependent (Y) variable at a time.B. Multicollinearity occurs when the X variables are highly correlated with the Y variable in multiple regression.C. Multicollinearity occurs when two or more of the X variables are highly correlated with one another.D. Both A and B are false statements.E. All of the statements above are false.
Multiple regression analysis analyze more than one dependent variable at a time and multicollinearity occurs when the X variables are highly correlated with the Y variable in multiple regression are false. Correct option is D.
The statement (A) that "Multiple regression analysis allows you to analyze more than one dependent (Y) variable at a time" is false. In multiple regression, there is only one dependent variable (Y) that is being predicted by a combination of independent variables (X).
The statement (B) that "Multicollinearity occurs when the X variables are highly correlated with the Y variable in multiple regression" is also false.
Multicollinearity occurs when two or more independent variables (X) are highly correlated with each other, which can cause problems in accurately estimating the effect of each independent variable on the dependent variable.
The statement (C) that "Multicollinearity occurs when two or more of the X variables are highly correlated with one another" is true.
Therefore, the correct answer is (D) "Both A and B are false statements."
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twenty and thirty-six thousandths in standards form
Answer:
twenty and thirty-six thousandths in standards form is 20.036
Answer:
20.006
Step-by-step explanation:
I think this is what you need but not a lot of info. sorry if it's not
If the regular recipe that makes 14 pancakes calls for 1 cup of milk, how many cups should I use to make 21 pancakes? Group of answer choices 1 cup 2 cups 0.5 cups 1.5 cups
Answer:
x = 1 1/2 cups
1.5 cups
Step-by-step explanation:
We can use ratios to solve
14 pancakes 21 pancakes
------------------ = ------------
1 cup x cups
Using cross products
14x = 21*1
Divide each side by 14
14x/14 = 21/14
x = 3/2
x = 1 1/2 cups
Which two conversion factors would be used to convert the quantity of 4500 seconds into hours.
Answer: (1 min / 60 s) (1 hr / 60 min)
a group contains 6 men and 5 women. find the number of ways to select a committee with 3 men and 3 women.
The number of ways to select a committee with 3 men and 3 women is 200.
We have a group. The number of men in the group is 6. The number of women in the group is 5. We need to find out the number of ways to select a committee with 3 men and 3 women.
We will use the concepts of permutations and combinations. The number of ways to select 3 men out of 6 men is 6C3 = 20. The number of ways to select 3 women out of 5 women is 5C3 = 10. The total number of ways to form the committee that consists of 3 men and 3 women is the product of the above-mentioned calculation.
N = 20*10
N = 200
Hence, the number of ways to select a committee with 3 men and 3 women is 200.
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