The area model shows 2 and one-third. What is 2 times 2 and one-third?
Answers
Answer:
14/3 or 4.6
Step-by-step explanation:
Related Questions
Find the interest when the interest is 4.5 times the principal, the principle is p and the time period is 13.5 years
Plz help!!!!
Answers
Answer: Interest will be 3%
Step-by-step explanation:
4.5x = x * r * 13.5
4.5x = 13.5x*r
r = 13.5x/4.5x = 3%
Answer:
Interest will be 3%
Step-by-step explanation:
4.5x = x * r * 13.5
4.5x = 13.5x*r
r = 13.5x/4.5x = 3%
Thank you!
A car dealership is offering $1,500 cash back on the
purchase of a new vehicle. The cost, after the cash
back, of a new vehicle can be modeled by the function
C(x) = X – 1,500, where x is the original price of the
vehicle. The vehicle is subject to a sales tax of 8.43%,
so the total price of the vehicle is represented by the
function P(O) = 1.08430.
Answers
Answer:
D- P(C(x)) = 1.0843x – 1,626.45
Step-by-step explanation:
Answer:
D- PC(x)) = 1.0843x – 1,626.45
Step-by-step explanation:
Is the sqrt{5} greater or the fraction 1 and 1/2?
Answers
Answer:
1 and then 1/2 and the 5
Step-by-step explanation:
it goes frist to lest
Select the correct answer.
To solve this system of equations using substitution, what could be substituted in place of y in the first equation?
4x=5-2y
y-2x=7
Answers
Answer: y=2x+7
(this is a rearranged version of y-2x=7 from question)
Step-by-step explanation:
4x=5-2y
y-2x=7
i would rearrange the 2nd value into y intercept form y=mx+b
so move the -2x to the other side of the = sign by doing the opposite, +2x on both sides to isolate the y
y=2x+7
you didn't give any options for "correct answer" so i can't give
you A B C or D answers
Match the vocabulary word with the correct definition.
Answers
Answer:
hexagon-6 sides
heptagon-7 sides
interior angle-inside angle
equilateral triangle-a trianglr ehose sides are all the same
equilateral-having sides of equal length
hexagon -- a polygon with 6 sides
heptagon -- a polygon with 7 sides
interior angles -- inside angles
equilateral triangle -- a triangles whose sides are all the same length
equilateral -- having sides of equal length
1.
7x(x-2y)
(2+1)(+5)
Answers
Step-by-step explanation:
7x(x - 2y)
= 7x.(x - 2y)
= 7x² - 14xy
= (2 + 1)(+5)
= (3)(5)
= 3 × 5
= 15
Step-by-step explanation:
1) 7x(x - 2y)
= (7x . x) - (7x . 2y)
= 7x² - 14xy
2) (2 + 1)(+5)
= 3(+5)
= (3 . +5)
= (3 . 5)
= 15
Wallace has 1/2 gallon of milk. He wants to pour it into 4 smaller containers putting the same amount in each container
Answers
Answer: c. 1/2 /4
Step-by-step explanation:
There is a 1/2 gallon of milk.
This 1/2 gallon is pour in equal amounts into 4 small containers which means the 1/2 gallon was divided into 4 places.
Formula is therefore:
= 1/2 ÷ 4
= 1/2 /4
When solved you will get a result of:
= 1/8 gallons
The following sum is a partial sum of an arithmetic sequence; use either formula for finding partial sums of arithmetic sequences to determine its value. 23 + 17 + ... + (-139)
Answers
The partial sums of arithmetic sequences to determine its value. In the given, question, the value of the sum of sequence is \(\rm (S_n -1624)\).
The total of an arithmetic sequence's terms is an arithmetic series. The first and last terms of an arithmetic series can be used to calculate the nth partial sum as follows: \(\rm S_n=n(_a_1+a_n)_2\).
\(\rm S_n = \dfrac{n}{2} (a_1 + a_2) \\\\ a_n = a_1 + d (n-1)\)
Given, 23 +17+ ... + (1-139)
\(a_n = a_1+d _(_n__-1)\)
Given \(a_n = -139\)
\(a_1=23\)
\(\rm d=a_2-a_1\)
= 17-23
=-6
\(-139 = 23 -6_ (_n_-_1_)\)
\(-139= 23-6_n+6\)
\(6_n = 139+23+6\)
\(6_n=168\)
n= 168/6
=28
\(\rm S_n = 28/2 (23-139)\)
=28/2 (-116)
= -1629
In the given, question, the value of the sum of sequence is \(\rm (S_n -1624)\).
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public class BinarySearch \{ public static void main(Stringll args) f int [1]yl ist ={1,2,3,7,10,12,20}; int result = binarysearch ( inylist, 20); if (result =−1 ) System, out, println("Not found:"); else System.out.println("The index of the input key is " + result+ ". "): y public static int binarysearch(int]l List, int key) \{ int low =0; int high = iist. length −1 while (high >= low) \& int mid =( low + high )/2; if (key < List [mid] high = mid −1; else if (key =1 ist [ mid ] ) return inid; else low = mid +1; return −1; // Not found \} l TASK 4: Binary Search in descending order We have learned and practiced the implementation of the binary search approach that works on an array in ascending order. Now let's think about how to modify the above code to make it work on an array in descending order. Name your new binary search method as "binarysearch2". Implement your own code in Eclipse, and ensure it runs without errors. Submit your source code file (.java file) and your console output screenshot. Hint: In the ascending order case, our logic is as follows: int mid =( low + high )/2 if ( key < list [mid] ) else if (key = ist [mid]) return mid; In the descending order case; what should our logic be like? (Swap two lines in the above code.)
Answers
The task involves modifying the given code to implement binary search on an array in descending order. The logic of the code needs to be adjusted accordingly.
The task requires modifying the existing code to perform binary search on an array sorted in descending order. In the original code, the logic for the ascending order was based on comparing the key with the middle element of the list. However, in the descending order case, we need to adjust the logic.
To implement binary search on a descending array, we need to swap the order of the conditions in the code. Instead of checking if the key is less than the middle element, we need to check if the key is greater than the middle element. Similarly, the condition for equality also needs to be adjusted.
The modified code for binary search in descending order would look like this:
public static int binarysearch2(int[] list, int key) {
int low = 0;
int high = list.length - 1;
while (high >= low) {
int mid = (low + high) / 2;
if (key > list[mid])
high = mid - 1;
else if (key < list[mid])
low = mid + 1;
else
return mid;
}
return -1; // Not found
}
By swapping the conditions, we ensure that the algorithm correctly searches for the key in a descending ordered array.
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Previous Answers Set up, but do not evaluate, an integral for the volume of the solid obtained by rotating the region in the first quadrant bounded by the curves y-tan-x, y-3, and x-0 about the line y-3. tan(2x)2x dx 0
Answers
To set up an integral for the volume of the solid obtained by rotating the region in the first quadrant bounded by the curves y = tan(x), y = 3, and x = 0 about the line y = 3, we use the formula V = π∫a b[(R(x))^2 - (r(x))^2]dx, where R(x) and r(x) are the radius of the outer and inner circle respectively.
For this problem, a = 0 and b = 2 since the region is in the first quadrant. We can calculate the radii of the inner and outer circle by substituting in the boundaries of the region:
R(x) = 3 - tan(x)
r(x) = 3 - 3 = 0
So, the integral to calculate the volume of the solid obtained by rotating the region in the first quadrant bounded by the curves y = tan(x), y = 3, and x = 0 about the line y = 3 is:
V = π∫02[(3 - tan(x))^2 - 0]dx
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Choose the best answer.
1 point
A store sold $325 of strawberries and
blueberries. It sold x pints of strawberries
and y pints of blueberries. The store
charged $3 per pint for strawberries and
$5 per pint for blueberries. Which equation
represents the relationship among pints of
strawberries, pints of blueberries, and the
total amount of money?
A.
3x + 5y - 325
B. 5x + 3y = 325
C. 8(x + y) = 325
D. 4(x + y) = 325
Answers
Answer:
B. 5x+3y=325
Step-by-step explanation:
the total value of the strawberries and blueberries sold is equal to 325. we have to multiple the variable for each fruit with the amount its sold for in order to get this equation.
he estimated coefficient for BB is b2 = 0.085 (rounded to three decimal places), which is positive as expected. In words, this estimated value implies that a unit increase in the share of households with high-speed internet access increases GDP growth per capita by 0.085% (about one-tenth of one percent). The F-test discussed in Question 2b evaluates the overall fit of the model. To examine the statistical significance of the individual model components, we can use the t-ratio and p-value associated with each estimated coefficient. For example, the t-ratio for BB is 3.995 with p-value 0.0004. Under the null hypothesis for each explanatory variable, the coefficient equals zero and does not affect GDP growth. The t-ratio increases in absolute value and the p- value declines toward zero as the strength of the evidence against the null hypothesis increases. We should reject the null hypothesis and conclude that the coefficient is significantly non-zero if the p-value is less than 0.10. Otherwise, if the p-value is larger than 0.10, we should fail to reject the null hypothesis and conclude that the coefficient is not significantly different from zero. Here, the p-value for BB is less than 0.10, so BB is a statistically significant explanatory variable for Q2GDP. Based on the p-values in the GRETL output, is the coefficient associated with CHILD significantly different from zero (i.e., p-values less than 0.10)? Please briefly explain how we should interpret the estimated value of the CHILD coefficient.
Answers
The coefficient associated with CHILD is not significantly different from zero, since its p-value is greater than 0.10. The p-value for the CHILD coefficient is 0.208, which is greater than 0.10.
This means that we cannot reject the null hypothesis that the coefficient is equal to zero. Therefore, we cannot conclude that the coefficient is significantly different from zero.
The estimated value of the CHILD coefficient is -0.045, which means that a unit increase in the number of children per capita is associated with a decrease in GDP growth per capita by 0.045%. However, since the p-value is greater than 0.10, we cannot be confident that this decrease is real.
In other words, the data does not provide enough evidence to conclude that the number of children per capita has a significant impact on GDP growth per capita.
Here is a table of the p-values for the estimated coefficients:
Coefficient p-value
BB 0.0004
CHILD 0.208
As you can see, the p-value for the CHILD coefficient is much larger than the p-value for the BB coefficient. This means that there is much less evidence to suggest that the CHILD coefficient is significantly different from zero.
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What is the number of possible outcomes in the sample space formed by rolling a dice and flipping 2 coins?
Answers
Answer:
24
Step-by-step explanation:
6 sides on die
2 sides on each coin
6 x 2 x 2 = 24
1. Ben wrote a report on trains.
Author's Reason:
Explain:
Answers
Answer:
Step-by-step explanation:
the answer is 2 because if you subtract and add you will get your and and good luck on the state test 5th 6th and 7th and younger kids.
which of the relations given by the following sets of ordered pairs is a function?
a. {(5,2),(4,2),(3,2),(2,2),(1,2)}{(5,2),(4,2),(3,2),(2,2),(1,2)}
b. {(−4,−2),(−1,−1),(3,2),(3,5),(7,10)}{(−4,−2),(−1,−1),(3,2),(3,5),(7,10)}
c. {(−8,−3),(−6,−5),(−4,−2),(−2,−7),(−1,−4)}{(−8,−3),(−6,−5),(−4,−2),(−2,−7),(−1,−4)}
d. {(−6,4),(−3,−1),(0,5),(1,−1),(2,3)}
Answers
{(5, 2), (4, 2), (3, 2), (2, 2), (1, 2)}, {(−8, −3), (−6, −5), (−4, −2), (−2, −7), (−1, −4)} and {(−6, 4), (−3, −1), (0, 5), (1, −1), (2, 3)} are the sets of ordered pairs considered as a function.
{(−4, −2), (−1, −1), (3, 2), (3, 5), (7, 10)} is not a function.
In mathematics, ordered pair is a pair of numbers that are written in a specific order. They are generally written in (x, y) form. For example (3, 5) is an ordered pair.
The function can also be represented by a set of ordered pairs. A function Is a set of ordered pairs in which no two different ordered pairs have the same value of x coordinate.
Option (a) : {(5, 2),(4, 2),(3, 2),(2, 2),(1, 2)}
No two ordered pairs have the same value of the x coordinate.
So it is a function.
Option (b) : {(-4, -2),(-1, -1),(3, 2),(3, 5),(7, 10)}
Two ordered pairs have the same value of x coordinate (3, 2) and (3, 5).
So, it can not be considered a function.
Option (c) : {(-8, -3),(-6, -5),(-4, -2),(-2, -7),(-1, -4)}
No two ordered pairs have the same value of the x coordinate.
So it is a function.
Option (d) : {(-6, 4),(-3, -1),(0, 5),(1, -1),(2, 3)}
No two ordered pairs have the same value of the x coordinate.
So it is a function.
Therefore, Options (a), (c), and (d) are the functions.
Option (b) is not a function.
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-3x+8x-5=-8 solve for x
Answers
The requried solution to the equation is x = -3/5.
To solve the equation, we need to simplify and isolate the variable x on one side of the equation.
Starting with:
-3x + 8x - 5 = -8
Combining like terms on the left side, we get:
5x - 5 = -8
Adding 5 to both sides, we get:
5x - 5 + 5 = -8 + 5
Simplifying, we get:
5x = -3
Finally, dividing both sides by 5, we get:
x = -3/5
Therefore, the solution to the equation is x = -3/5.
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Joe opened a bank account with $80. He then withdrew $35 and deposited $115. What is his account balance after these transactions?
$__
Answers
Answer
\(160\)
Explanation
Based on the given conditions, formulate: \(115+80-35\)
Calculate the sum or difference: \(195-35\)
Calculate the sum or difference: \(160\)
get the result: \(160\)
Answer: \(160\)
Answer:
$ 160
Step-by-step explanation:
80 -35 +115 = 160
Under what circumstances should the chi-square statistic not be used: Question 15 options: if the expected frequencies are >5 for any cell if the expected frequencies are <5 for any cell if the expected frequencies
Answers
The chi-square statistic should not be used under certain circumstances, specifically when the expected frequencies in any cell of the contingency table meet certain criteria.
The two conditions that indicate when the chi-square statistic should not be used are if the expected frequencies are greater than 5 for any cell or if the expected frequencies are less than 5 for any cell. When the expected frequencies are greater than 5, it implies that the sample size is large enough, and the chi-square test can be considered valid and reliable. However, when the expected frequencies are less than 5, it may lead to unreliable results and less accurate statistical inference. In such cases, the assumptions underlying the chi-square test may not hold, and alternative methods or tests should be considered, such as Fisher's exact test or Monte Carlo simulation. Using the chi-square test with expected frequencies that do not meet these criteria can lead to inflated type I error rates and unreliable conclusions. Therefore, it is important to assess the expected frequencies in each cell of the contingency table before applying the chi-square test and consider alternative approaches if the conditions are not met.
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Given a decile cut point value of 10.4, where the tenth sequential value is 32 and the eleventh value is 42, what is the actual decile value
Answers
The actual decile value is 126.6
To get the actual decile value, the decile formula is used. The formula used is:
Di = I (n+1) / 10 multiplied by (n - n+1)/10
This implies that the decreased fee, which in this case is 32 + 1, is delivered to the entire multiplication of the cut point 10.4, and the difference among the more tremendous value whilst organized in the ascending fee and the newly brought decreased value.
This gives:
33 + 10.4 * (42 - 33)
= 126.6
The actual decile value is 126.6
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A fabric store sells two types of ribbon. One customer buys 3 rolls of the lace ribbon and 2 rolls of the satin ribbon and has a total of 120 yards of
ribbon. Another customer buys 2 rolls of the lace ribbon and 4 rolls of the satin ribbon and has a total of 160 yards of ribbon.
How many yards are on one roll of lace ribbon and one roll of satin ribbon?
OA. There are 10 yards on one roll of lace ribbon and there are 40 yards on one roll of satin ribbon.
OB. There are 20 yards on one roll of lace ribbon and there are 30 yards on one roll of satin ribbon.
OC. There are 30 yards on one roll of lace ribbon and there are 20 yards on one roll of satin ribbon.
OD. There are 40 yards on one roll of lace ribbon and there are 10 yards on one roll of satin ribbon.
Answers
Answer:
B
Step-by-step explanation:
3(20)=60
2(30)=60
60+60=120
2(20)= 40
4(30)= 120
40+120=160
Answer:
20 yards in the lace ribbon and there are 30 yards on one roll of satin ribbon
Step-by-step explanation:
3x + 2y = 120 (1)
2x + 4y = 160 (2)
Divide eq(2) by 2 (both sides). Keep equation (1) as is. You will get
3x + 2y = 120 (1')
x + 2y = 80 (2')
Now subtract eq(2') from eq(1'). You will get
2x = 120 - 80 = 40
x = 40/2 = 20.
Then from equation (2'),
20 + 2y = 80
2y = 80 - 20 = 60
y = 60/2 = 30
please help me!!
basic Radicals
Answers
Answer:
C)
Step-by-step explanation:
\(x = \frac{\sqrt{a}}{ \sqrt{b}} = \sqrt{\frac{a}{b}}\\\\\)
Both sides take square
\(x^{2}= ( \sqrt{\frac{a}{b}})^{2}=\frac{a}{b}\)
elimination process
7a-3b = 26
a + 2b =11
Answers
Answer:(a=5,b=3)
7a-3b = 26--------(1)
a + 2b =11---------(2)
on mutlplying by7 in eq 2
= 7a+14b=77-------(3)
from eq(1) and (3) (on substracting)
7a+14b=77
7a-3b=26
________
=-17b=51
b=51/17
b=3
on putting value of b in eq 1
7a-3b = 26
=7a-9=26
7a=35
a=5
Step-by-step explanation:
hope it helps
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x/-18=-6 what is x?????
Answers
Answer:
x = 108
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtract Property of EqualityStep-by-step explanation:
Step 1: Define
x/-18 = -6
Step 2: Solve for x
Multiply -18 on both sides: x = 108Step 3: Check
Plug in x into the original equation to verify it's a solution.
Substitute in x: 108/-18 = -6Divide: -6 = -6Here we see that -6 does indeed equal -6.
∴ x = 108 is the solution to the equation.
If marco buys a shirt for $45.20 and has a discount of 30% what is the new price of the shirt?
Answers
Find the smallest number a such that A + BB is regular for all B> a.
Answers
The smallest number a such that A + BB is regular for all B > a can be determined by finding the eigenvalues of the matrix A. The value of a will be greater than or equal to the largest eigenvalue of A.
A matrix A is regular if it is non-singular, meaning it has a non-zero determinant. We can consider the expression A + BB as a sum of two matrices. To ensure A + BB is regular for all B > a, we need to find the smallest value of a such that A + BB remains non-singular. One way to check for singularity is by examining the eigenvalues of the matrix A. If the eigenvalues of A are all positive, it means that A is positive definite and A + BB will remain non-singular for all B. In this case, the smallest number a can be taken as zero. However, if A has negative eigenvalues, we need to choose a value of a greater than or equal to the absolute value of the largest eigenvalue of A. This ensures that A + BB remains non-singular for all B > a.
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what's 4x=36 what would the x be
Answers
Answer:
x=9
Step-by-step explanation:
Since we know that 4x=36, we would have to do the inverse operation of the multiplication to isolate the variable. Thus, we do 4x/4 and 36/4. (Since you have to do it on both sides.)
Which would equal to x=9.
In equation form:
4x=36
÷4 ÷4
-----------
x = 9
Hope this helps!!! ^^
How do you solve a differential equation with exponential equations?
Answers
To solve a differential equation with exponential equations, start by isolating the dependent variable and any coefficients that may exist on either side of the equation. Next, take the natural logarithm of both sides of the equation and use the properties of logarithms to simplify the equation. Solve for the dependent variable. Finally, take the exponential of both sides of the equation and simplify it to get the solution.
For example, consider the differential equation dy/dx = 2y.
Isolate the dependent variable to get y = dx/2.
Then, take the natural logarithm of both sides to get ln(y) = ln(dx/2).
Use the property ln(a/b) = ln(a) - ln(b) to get ln(y) = ln(dx) - ln(2).
Solve for ln(y) to get ln(y) = ln(dx) - ln(2).
Then, take the exponential of both sides to get \(y = e^{ln(dx) - ln(2)}\) and simplify to get the solution \(y = (dx/2) e^{ln(dx)}\).
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Does 1 2 and 5 make a right triangle
Answers
Answer:
Yes.
Step-by-step explanation:
If the catetes are 5 and 12, then the hypotenuse is 13, and it is a special right triangle.
Jessica made an ice cream with a radius of 4.5 centimeters and a height of 9 centimeters. Find the volume of the cone in cubic centimeters. Show your work and include the units. Round to the nearest whole number if necessary.
Please help me
Answers
The volume of the cone is approximately 191 cubic centimeters.
What is the volume of a cone?
The formula for the volume of a cone is:
V = (1/3) * π * r² * h
where "r" is the radius of the base, "h" is the height, and "π" is pi (approximately equal to 3.14).
Substituting the given values, we get:
V = (1/3) * π * (4.5 cm)² * 9 cm
V = (1/3) * π * 20.25 cm² * 9 cm
V = (1/3) * π * 182.25 cm³
V ≈ 191.36 cm³
Rounding to the nearest whole number, we get:
V ≈ 191 cm³
Therefore, the volume of the cone is approximately 191 cubic centimeters.
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joy organises a large wedding.guests had to choose their meal from beef,chicken or vegertarian
1/3 of the guests chose beef
5/12 of the guests chose chicken
69 of the guests chose vegetarian
how many guests are at the wedding
Answers
Answer:
276 guests
Step-by-step explanation:
69/x = 3/12
(the 3/12 is from the amount of guests that chose vegetarian. 1/3=4/12, and 4/12+5/12=9/12. 12/12-9/12=3/12=1/4)
69/x=1/4
cross multiply
69*4=x
276=x