A recipe for beef stew calls for 1 pound of beef and 3 potatoes. The recipe is doubled to include 2 pounds of beef and 6 potatoes. Given that the proportion 1 3 = 2 6 represents the situation, which of these statements are true? Check all that apply. The numerators represent the number of potatoes. The numerators represent the pounds of beef. The denominators represent the pounds of beef. The denominators represent the number of potatoes.
Answers
the numerators represent the pounds of beef and the denominadors represent the number of potatoes.
Answer:
The second one and the forth one are the two right answers.
Step-by-step explanation:
Related Questions
In performing an ANOVA with a fixed total sample size, as the number of groups being compared increases, the power a) Increases b) Decreases
Answers
In performing an ANOVA with a fixed total sample size, as the number of groups being compared increases, the power decreases i.e., the correct option is B.
The power of a statistical test is the probability of correctly rejecting the null hypothesis when it is false.
In the context of ANOVA (analysis of variance), power refers to the ability of the test to detect significant differences among the group means.
When comparing the means of multiple groups in ANOVA, the fixed total sample size is divided among the groups, resulting in smaller sample sizes for each group as the number of groups increases.
With smaller sample sizes, the ability to detect significant differences becomes more challenging, leading to a decrease in power.
Power is influenced by factors such as the sample size, effect size, and significance level.
In this case, the fixed total sample size means that as the number of groups increases, the sample size per group decreases.
This reduction in sample size limits the ability of the ANOVA test to detect small or moderate differences between group means, thereby decreasing the power of the test.
It is important to consider the trade-off between the number of groups being compared and the power of the ANOVA test.
Increasing the number of groups may provide more detailed comparisons but may result in decreased power and lower sensitivity to detect significant differences among the groups.
Learn more about Probability here:
https://brainly.com/question/15052059
#SPJ11
the area of a triangle 17.5 square meters. The height of the triangle is 3 meters less than twice it’s base. the base of the triangle is x meters
Answers
Answer :
Given that the base of the triangle is x m, the height is 3m less than twice it's base then the height will be represented by the equation:
(2x-3) m
Thus the area will be:
Area=1/2bh
Area=1/2x(2x-3)=17.5
x^2-1.5x=17.5
Writing the above equation is quadratic form of ax^2+bx+c=0 we get:
x^2-1.5x-17.5=0
Determine the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0)
Answers
z = 4(x - 1) - ln (y - 4)
Therefore, the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0) is z = 4(x - 1) - ln (y - 4).
To determine the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0), we first need to find the partial derivatives of the surface with respect to x and y.
∂z/∂x = y/x
∂z/∂y = ln x
Then, we can use these partial derivatives along with the point (1, 4, 0) to find the equation of the tangent plane using the formula:
z - z0 = ∂z/∂x(x0, y0)(x - x0) + ∂z/∂y(x0, y0)(y - y0)
where (x0, y0, z0) is the given point.
Plugging in the values, we have:
z - 0 = (4/1)(x - 1) + ln 1(y - 4)
Simplifying:
z = 4(x - 1) - ln (y - 4)
Therefore, the equation of the tangent plane to the surface z = y ln x at the point (1, 4, 0) is z = 4(x - 1) - ln (y - 4).
Learn more about tangent plane here:
https://brainly.com/question/30260323
#SPJ11
please help this makes no sense
Answers
Answer:
121 1/4
Step-by-step explanation:
The stock market went up 30 1/2 points, then down 90 3/4 points. The total change is equal tor 121 1/4.
If f(x) = -2x + 3 and g(x) = 4x - 3, which is greater, f(5) or g(-2)?
Answers
The first three terms of an arithmetic sequence are u1=3k−1, u2=4k+1, and u3=6k−2. What is the value of k?
Answers
Answer:
• From common difference of an arithmetic progression:
\({ \tt{u _{3} - u _{2} = u _{2} - u _{1} }}\)
• substitute into the expression above:
\({ \tt{ \{(6k - 2) - (4k + 1) \}} = \{(4k + 1) - (3k - 1) \}} \\ \\ { \tt{6k - 4k - 2 - 1 = 4k - 3k + 1 + 1}} \\ \\ { \tt{2k - 3 = k + 2}} \\ \\ { \tt{2k - k = 2 + 3}} \\ \\ { \underline{ \underline{ \bf{ \: \: k = 5 \: \: }}}}\)
Mr. Smith went to buy a refrigerator. He had $346. The refrigerator cost $783.
Part A
About how much more money does Mr. Smith need in order to buy the refrigerator?
Round your answer to the nearest hundred dollars.
Part B
After visiting the bank ,Mr.Smith paid $800 for the refrigerator.How much change did he receive Mr.Smith receive in change ?
Answers
Answer:
Part A- $400
Part B- $17
Step-by-step explanation:
Answer:
A- 400.00 more dollars.
B- 17 dollars in change.
Step-by-step explanation:
783-346 and then round up.
800-783 for change
I NEED HELP THIS IS DUE TODAY!
Answers
The algebraic expression that is defined by the model is given as follows:
3x + 2y + 5.
How to define the algebraic expression?The algebraic expression is defined as the sum of multiple terms as defined by the tiles.
We have 3 tiles with terms of x, hence:
3x.
We have 3 tiles with values of y, hence:
3x + 2y.
Finally, we also have five constant tiles, hence the complete algebraic expression is given as follows:
3x + 2y + 5.
More can be learned about algebraic expressions at https://brainly.com/question/4344214
#SPJ1
What is the sum of the first five terms of a geometric series with a_(1) = 6 and r = 1/3?
"Express your answer as an improper fraction in lowest terms without using spaces."
Answers
The sum of the first five terms of a geometric series is 242/27
How to determine the sum of the first five terms of a geometric series?The given parameters are
a1 = 6
r = 1/3
The sum of the first five terms of a geometric series is represented as;
Sn =a * (1 - r^n)/(1 - r)
This gives
S5 = 6 * (1 - (1/3)^5)/(1 - 1/3)
Evaluate the exponent
S5 = 6 * (1 - 1/243)/(2/3)
Evaluate the difference
S5 = 6 * (242/243)/(2/3)
This gives
S5 = 2 * (242/81)/(2/3)
So, we have:
S5 = 2 * (242/81) * 3/2
Evaluate the product
S5 = 242/27
Hence. the sum of the first five terms of a geometric series is 242/27
Read more about geometric series at
https://brainly.com/question/24643676
#SPJ1
ILL MARK BAINLIEST HELP TTTTTTTTTREEEEEEEEEEEEEEEEEEEE
Answers
Answer:
Yes
Step-by-step explanation:
30 POINTS!! Help Asap
How many wolves will there be in 5 years?
Answers
Answer:
\(94 {e}^{.044 \times 5} = 117\)
In 5 years, there will be 117 wolves.
help plz.............
Answers
Answer:
525 mL
Step-by-step explanation:
Never mind it is not 175 that is what is left he drank 525ml
HALPPPPDNEISIXJVHRSIZJJHRSUXJGHFEHWHSHCVRHHEHSHXCHFUDJ HAHAHAHAHHAHAAHAHAAHHA LOL
Answers
Answer:
&T *OA*&
Step-by-step explanation:
round 5495 to the nearest 1000
Answers
Answer:
5000
Step-by-step explanation:
less than 500 so it goes to the closest 1000 under the number
Rounding off the given value 5495 ( five thousand four hundred and ninety four ) to the nearest one thousand is 5000 ( five thousand ).
What is Rounding numbers?Rounding simply means making a number easier or simpler but keeping its value close to its previous value. This might be less accurate, but easier to read.
To round 5495 to the nearest 1000.
Rounding off to the nearest thousand, if the digit in the hundreds place is between 0 and 4 then the hundreds place is replaced by ‘0’.If the digit in the hundreds place is 5 or greater, then the hundreds place is replaced by ‘0' and the thousands place is increased by 1.5495 to the nearest 1000 will be 5000.
Hence, rounding the given value 5495 ( five thousand four hundred and ninety four ) to the nearest one thousand is 5000 ( five thousand ).
Learn more about rounding off numbers here here: https://brainly.com/question/13391706
#SPJ2
Hello, I need some assistance with this homework question please for precalculusHW Q16
Answers
SOLUTION:
Case: Shifting a graph
The graph of a function can be moved up, down, left, or right by adding to or subtracting from the output or the input. Adding to the output of a function moves the graph up. Subtracting from the output of a function moves the graph down. Here are the graphs of y = f (x), y = f (x) + 2, and y = f (x) - 2
Given:
\(\begin{gathered} y=x^3 \\ shifting\text{ 8 units up} \end{gathered}\)Required:
To show how the function changes
Method:
Step 1:
The original function
\(y=x^3\)At the original function, the graph cuts through (0,0).
Step 2:
When it is shifted 8 units up, the graph will now cut through (0,8).
The function will now be:
\(y=x^3+8\)Final answer:
\(y=x^3+8\)
A certain company keeps a list of 50 employees and their annual salaries. When the salary of the very highly paid president is added to this list, which of the following statistics is most likely to be approximately the same or nearly the same for the original list and the new list? A The highest salary B The range C The mean D The median E The standard deviation
Answers
Answer:
The median or Answer d
Step-by-step explanation:
i just do it already
What level of measurement is required of the independent variable (iv) and dependent variable (dv) to conduct a chi-square analysis?
Answers
The level of measurement is required of the independent variable (iv) and dependent variable (dv) to conduct a chi-square analysis is "the chi-squared test for independence."
What is chi-square test?A chi-square (X²) statistic is a test which compares a model to real observed data. A chi-square statistic requires data that is random, raw, mutually exclusive, obtained from independent variables, & drawn from a large enough sample. Tossing a fair coin, for example, meets these criteria.
Some key features regarding chi-square test are-
Chi-square analysis is excellent for assessing such disparities in categorical variables, particularly nominal variables.X² is determined by the amount of the discrepancy between the observed and real values, its degrees of freedom, as well as the sample size.X² can be used to figure out if two variables are connected or independent.It can also be used to determine the goodness-of-fit between being an observed distribution or a theoretical frequency distribution.To know more about chi-square test, here
https://brainly.com/question/4543358
#SPJ4
michael is examining a data set and trying to determine which category he can transform into a dummy variable. of the four variables, employee number, pay rate, hire date, and sex, which is the best fit to use a dummy variable?
Answers
Of the four variables, employee number, pay rate, hire date, and sex, the "Sex" variable is the best fit to use as a dummy variable.
The variable "Sex" is the best fit to use as a dummy variable. A dummy variable is used to represent a categorical variable with a numerical value, such as 0 or 1. In this case, "Sex" is a categorical variable with two categories (male and female) and can be transformed into a dummy variable with values 0 or 1 to represent the categories. The other variables, Employee Number, Pay Rate, and Hire Date, are not categorical variables and would not be appropriate to use as dummy variables.
Read more about variables:
brainly.com/question/15158734
#SPJ4
1. Pick two animals to be in a race and answer the following questions.
a. Suppose two animals are in a race. Choose two animals from Table 1 and calculate the speed of each animal in yards per second. (6 points)
Example: Kangaroo – 30 miles/hour multiply by 1760 (conversion to yards) divided by 3600 (conversion to seconds). So the speed of a Kangaroo is 14.67 yd/sec.
b. You decide how much of a head start (in yards) the faster animal will offer the slower animal. For each animal, write an equation relating speed (v), distance from the starting line (d), and time (t). (6 points)
Formula:
c. Graph the two equations on the same coordinate plane. (4 points)
d. How long will it take the faster animal to overtake the slower animal? How many yards from the starting line are the animals when the faster animal overtakes the slower animal? (3 points)
e. Reduce the head start by half and repeat parts (c) and (d) from above. (9 points)
(c)
(d) How long will it take the faster animal to overtake the slower animal? How many yards from the starting line are the animals when the faster animal overtakes the slower animal?
2. Pick a third animal and answer the following questions.
a. Choose a third animal. Calculate its speed in yards per second. Compare its speed with the speed of the two animals you chose in Activity 1. (6 points)
b. Decide which two animals should get head starts and how much of a head start each should get. Write three equations relating distance from the starting line to time. (10 points)
c. Graph all three equations on the same coordinate plane. (6 points)
Part B: Which Community Garden Plan? (50 possible points)
The Community Garden Club would like to plant a garden on a small lot in a local neighborhood. One community member, Nancy, suggests a square garden while another member, Juan, suggests a rectangular garden. You will be in charge of determining which of the two gardens would cover the most area while using the least amount of fencing to surround it. You should show all calculations, and give complete explanations.
1. Nancy’s plans for a square garden include an area of (x2 + 12x + 36) m2. Write expressions for the length and width of this square garden. (8 points)
2. The plans for the square garden shows a length of 12 m. What is the width of the square garden? Using the area from problem 1, what is the value of x? What is the total area of this square garden? (9 points)
3. Juan’s plans include a rectangular garden with an area of (x2 + 14x + 24) m2. Write expressions for the length and width of the rectangular garden. (8 points)
4. The plans for the rectangular garden shows a length that is 6 m. longer than the length of the square garden. What is the width of the rectangular garden? How much shorter is the width of the rectangular garden than the square garden? (9 points)
5. Write expressions for the perimeter of each garden in terms of x. Then find each perimeter for the x-values calculated in the previous questions. (8 points)
6. The Community Garden Club would like the garden that covers the most area possible while requiring the least amount of fencing needed to completely surround it. Which garden plan should they choose? Explain your reasoning using the information you calculated for each garden plan. (8 points)
This project can be submitted electronically. Check the Project page in the online course for more detailed instructions.
Answers
Answer:
You can pick a Hare and a Tortoise LOL
Step-by-step explanation:
Perform the indicated operation.
a/7 x b/2
a) ab
b) 9ab/14
c) ab/14
Answers
Answer:
c) ab/14
Step-by-step explanation:
\(\frac{a}{7} * \frac{b}{2} =\frac{ab}{14}\)
multipling fractions rule is to multiply nominators and denominators separately
Let f(x) = 3x2 + 1 and g(x) = - 2x +6. Find the following. (f-9)(-2) (f-9)(-2) = Let f(x) = x2 - 20 and g(x) = 10 - x. Perform the composition or operation indicated. (f9)(-7) (19)(-7)=0 Let f(x) = 2x - 1 and g(x) = je Find (f+g)(x), (-9)(x), (fg)(x), and 19. (x). Give the domain of each. (f +9)(x) = (Simplify your answer.) (f-g)(x) = (Simplify your answer.) (fg)(x) = (Simplify your answer.) (h) = (simplify your answer) The domain off+g is (Type your answer in interval notation.) The domain off-g is (Type your answer in interval notation) The domain of fg is (Type your answer in interval notation) The domain of is (Type your answer in interval notation.) f(x + h) – f(x) For the function f(x) = x2 -9, find (a) f(x + h), (b) f(x + h) – f(x), and (c) h (a) f(x +h) = (Simplify your answer.) (b) f(x + h) – f(x) = (Simplify, your answer.) f(x+h)-f(x) (c) h (Simplify your answer.) Let f(x) = 4x - 1, h(x) = - X+4. Find (f o h)(-4). (fo h)( - 4) = 0
Answers
The expressions involving those variables remain.Let's go through each part of the question one by one:
For f(x) =\(3x^2 + 1\) and
g(x) = -2x + 6,
we are asked to find (f-9)(-2):
(f-9)(-2) = \((3x^2 + 1 - 9)(-2)\)
=\((3x^2 - 8)(-2)\)
= \(-6x^2 + 16\)
For f(x) =\(x^2 - 20\) and
g(x) = 10 - x,
we are asked to perform the composition or operation indicated:
(f9)(-7)
(f9)(-7) = f(9)
=\(9^2 - 20\)
= 81 - 20
= 61
For f(x) = 2x - 1
and g(x) = je,
we are asked to find (f+g)(x), (-9)(x), (fg)(x), and 19(x), and give the domain of each:
(f+g)(x) = (2x - 1) + (je)
= 2x - 1 + je
(-9)(x) = -9x
(fg)(x) = (2x - 1)(je)
= 2xje - je
= 2jex - je
19(x) = 19x
The domain of each function is not specified, so we assume it to be all real numbers.
For (f+9)(x) and (f-g)(x), we are asked to simplify our answer:
(f+9)(x) = (2x - 1) + 9
= 2x + 8
(f-g)(x) = (2x - 1) - (-2x + 6)
= 2x - 1 + 2x - 6
= 4x - 7
For (fg)(x), we are asked to simplify our answer:
(fg)(x) = (2x - 1)(je)
= 2xje - j*e
= 2jex - je
The domain of f+g, f-g, fg, and 19 are not specified, so we assume it to be all real numbers.
For f(x) =\(x^2 - 9\),
we are asked to find (a) f(x + h), (b) f(x + h) - f(x), and (c) h:
(a) \(f(x + h) = (x + h)^2 - 9\)
= \(x^2 + 2hx + h^2 - 9\)
(b) f(x + h) - f(x)
= \((x^2 + 2hx + h^2 - 9) - (x^2 - 9)\)
= 2hx + h^2
(c) h is a variable and is not simplified further.
For f(x) = 4x - 1 and
h(x) = -x + 4,
we are asked to find (f o h)(-4):
(f o h)(-4) = f(h(-4))
= f(-(-4) + 4)
= f(8) = 4*8 - 1
= 31
Please note that in some cases, the expressions contain variables (such as j and e) which were not given specific values.
Therefore, the expressions involving those variables remain
To know more about variables visit:
https://brainly.com/question/15078630
#SPJ11
End of Week Number 1 2 3 4 5 6 7 PV $ 60,000 $ 25,000 $ 15,000 $ - $ 30,000 $ 30,000 $ 30,000 EV $ 60,000 $ - $ 25,000 $ 15,000 $ 30,000 $ 30,000 $ 30,000 AC $ 62,000 $ - $ 26,000 $ 15,000 $ 32,000 $ 33,000 $ 30,000 1. What is the planned value (PV) at the END OF WEEK 7? 2. What is the earned value (EV) at the END OF WEEK 7? 3. What is the actual cost (AC) at the end of WEEK 7? 4. What is the cost variance (CV) at the end of WEEK 7? 5. What is the schedule variance (SV) at the end of WEEK 7? 6. What is the cost performance index (CPI) at the end of WEEK 7? 7. What is the schedule performance index (SPI) at the end of WEEK 7? 8. At the end of WEEK 7, how is this project performing? Use CPI nd SPI to justify your conclusion.
Answers
The project is performing well at the end of WEEK 7.
1. The planned value (PV) at the end of WEEK 7 is $30,000.
2. The earned value (EV) at the end of WEEK 7 is $30,000.
3. The actual cost (AC) at the end of WEEK 7 is $30,000.
4. The cost variance (CV) at the end of WEEK 7 is $0.
5. The schedule variance (SV) at the end of WEEK 7 is $0.
6. The cost performance index (CPI) at the end of WEEK 7 is 1.0 (CV/AC).
7. The schedule performance index (SPI) at the end of WEEK 7 is 1.0 (EV/PV).
8. At the end of WEEK 7, this project is performing according to the plan. The CPI and SPI are both equal to 1.0, indicating that the project is on track in terms of cost and schedule. The cost variance (CV) and schedule variance (SV) being zero further support this conclusion, as it means that the project is meeting its planned budget and schedule.
To know more about project, visit:
https://brainly.com/question/28476409
#SPJ11
You pick two marbles from a bag containing 30 marbles: 3 green, 6 white, 4 red, 7 yellow, and 10 blue. Find the given probabilities. Show your work. Simplify all answers.
P(red)
P(blue)
P(white)
P(yellow)
P(green)
Answers
Red balls=4
Green=3
White=6
Yellow=7
Blue=10
event P(E) = (Number of favorable outcomes) ÷ (Sample space).
So p(red)=no red balls/total balls in the marble
P(red)=4/30=2/15
P(blue)=10/30=1/3
P(white)=6/30=1/5
P(yellow)=7/30
P(green)=3/30=1/10
T= 3x +4y work out the value of T when x = 5 and y = -7
Answers
Answer:
T=-13
Step-by-step explanation:
substitute T=3*5+4*(-7)
the product:T=15-28
the sum:T=-13
Patty buys a new car and gets it appraised every few years. After owning the car for 3 years, it’s value is $15,000. After owning the car for 5 years, it’s value is $9,000. What is the constant of proportionality in this inverse variation?
Answers
Answer: $3,000 per year
Step-by-step explanation: 15,000 divided by 9,000 is 6,000, 5 minus 3 is 2 6,000 divided by 2 equals 3,000.
PLS HELP WILl MARK BRAiNLIEST
Answers
Step-by-step explanation:
draw a triangle then label corners a and b. spread them 120 degrees apart and there you have it.
Which of the following is not the test of similarity?
A) AAA test B) SAS test C) SAA test D) SSS test
Answers
Answer:
AAA test
Step-by-step explanation:
AAA is not test of similarity
A cyclist rides into the country at an average speed of 10 miles per hour. When his bike gets a flat tire, he walks it back at an average speed of 3 miles per hour. If he returns home 6 and a half hours after he starts, how far into the country does he go?
Answers
The distance the cyclist traveled into the country, given that he rides into the country at an average speed of 10 miles per hour is 15 miles
How do i determine the distance traveled?Let the total distance traveled into the country be y.
Now, we shall determine the riding time. Details below:
Speed = 10 mile per hourDistance traveled = yRiding time = ?Riding time = Distance / speed
Riding time = y / 10
Next, we shall obtain the walking time of the cyclist. This is shown below:
Speed = 3 mile per hourDistance traveled = yWalking time = ?Walking time = Distance / speed
Riding time = y / 3
Finally, we shall obtain the total distance traveled. This is illustrated below:
Riding time = y / 10Riding time = y / 3Total time = 6.5 hoursTotal distance = y =?Total time = riding time + walking time
6.5 = y/10 + y/3
6.5 = (3y + 10y) / 30
6.5 = 13y / 30
Cross multiply
13y = 6.5 × 30
13y = 195
Divide both sides by 13
y = 195 / 13
y = 15 miles
Thus, the total distance traveled by the cyclist into the country is 15 miles.
Learn more about distance travelled:
https://brainly.com/question/18265275
#SPJ1
Plzzzzz help meee!!!!!!!!!!!!
Answers
Answer:
The believe the function is 3.
Answer:
since there is one value of Y for every value of X its a function
Step-by-step explanation: like all of its a function
For each inequality, show it on the number line and write all one-digit integers that satisfy it. k>0
Answers
The one-digit integers that satisfy the inequality k>0 are 1, 2, 3, 4, 5, 6, 7, 8, and 9.
What is a number line?A number is a line that is made up of positive and negative numbers with the distance between the preceding and succeeding unit to be 1.
The negative values on the number line are -1, -2, -3...-9 while the value greater than zero are 1, 2, 3, 4,...9Hence the one-digit integers that satisfy the inequality k>0 are 1, 2, 3, 4, 5, 6, 7, 8, and 9.Learn more on number line here: https://brainly.com/question/26480824