represent -2 1/4 on a number line
Answer:
Image below.
Step-by-step explanation:
Question #3
Given the following stemplot, determine the maximum value of the original data set.
O 100
8
98
9
0000
Test Scores
5
479
6 146779
7 002557799
8 12223455789
9 000333368
The maximum value of the original data set is 109.
To determine the maximum value of the original data set from the given stemplot, we need to look at the rightmost digits in each stem and identify the highest value.
Looking at the stemplot:
O 10 | 0 0 8 9 8 9 0 0 0
0 20 | 5 4 7 9 6
0 30 | 1 4 6 7 7 9 7
0 40 | 0 0 2 5 5 7 7 9 9 8
0 50 | 1 2 2 2 3 4 5 5 7 8 9 9
0 60 | 0 0 0 3 3 3 3 6 8
The rightmost digits in each stem represent the original data values. We can see that the highest value occurs in the stem "10" with a rightmost digit of "9".
Therefore, the maximum value of the original data set is 109.
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A jewellery store paid a unit price of $250 less 40%, 16 1/3 %, for a shipment of designer watches . The store's overhead is 65% of cost and the normal profit is 55% of cost
a) regular selling price?
b) sale price
3) rate of markdown
The regular selling price of the jewelry is $253.00. The sale price for the jewelry is $189.75. And the rate of markdown is 25%.
A jewellery store paid a unit price of $250 less 40%, 16 1/3 %, for a shipment of designer watches . The store's overhead is 65% of cost and the normal profit is 55% of cost.
Overhead and Profit means those costs incurred by you and paid to a General Contractor to perform and oversee covered repairs to the insured location. “Overhead and Profit” does not apply to independent or specialty contractors including, but not limited to, roofers, plumbers, electricians and painters.
It is given that the unit price of the watch is $250 and the discount rates are 40%, 16 +2/3 or 16.666666667%, and 8%. Therefore the purchase price of watches per unit can be estimated as:
Purchase price of watches per unit = Unit price*(1- first discount %)(1-second discount %)(1-third discount %)
Purchase price of watches per unit = 250*(1-40%)(1-16.66666667%)(1-8%)
Purchase price of watches per unit =115
Now, the overhead expense is 65% of the cost. So the overhead amount is Overhead amount = 65% of the cost
Overhead amount = 115*65%
Overhead amount = 74.75
Now, the profit is 55% of the cost. So
Profit amount = Cost *profit %
Profit amount =115*55%
Profit amount =63.25
a. Thus, the regular selling price can be estimated as:
Regular selling price = Unit purchase cost + overhead + profit
Regular selling price =115+74.75+63.25
Regular selling price =253.00
Therefore, the regular selling price of the watches would be $253.00
b. The sale price to break even would be equal to the cost of the watch plus overhead. It is the amount that is required to cover only the total cost of the product. So,
Break-even price = Cost + overhead
Break-even price =115 + 74.75
Break-even price = 189.75
Therefore, the break-even price is $189.75.
c. From above, the regular selling price is 253.00 and the break-even price is 189.75. Thus,
Mark-down rate to sell at break-even price = (Regular selling price-Breakeven price)/Regular selling price.
Mark-down rate to sell at break-even price = (253-189.75)/253
Mark-down rate to sell at break-even price = 0.25 or 25%
Therefore, the mark-down rate is 25%.
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solve for p. 84,000 x m + 36,000 x p =1,962,800
The solution for p is 701/30 - 3p/7.
What is an equation?
A mathematical statement called an equation demonstrates the equality of two mathematical expressions. Based on the degree, there are three different sorts of equations. Equations that are linear, quadratic, and cubic. In algebra, an equation is a declaration of equivalence that includes one or more variables or unknowable quantities.
Here, we have
Given: 84,000m + 36,000p = 1,962,800
We have to simplify this equation and find the value of p.
84,000m + 36,000p = 1,962,800
84,000m = 1,962,800 -36,000p
m = 1,962,800/84,000 -36,000p/84,000
m = 701/30 - 3p/7
Hence, the solution for p is 701/30 - 3p/7.
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Which of the following pairs consists of equivalent fractions? 3/9 and 5/15 ,12/20 and 20/25,5/6 and 6/5,6/12 and3/4
Answer:
\(The\) \(Answer\) \(Is:\) \(\frac{3}{9}\) \(&\)& \(\frac{5}{15}\)
Step-by-step explanation:
Divide by 4 , 2nd fraction Divide by 5:
3/4 ≠ 4/5
5/6 ≠ 6/5 We can already see it.
Divide by 3. . .
2/4 ≠ 3/4
Divide by 3 , 2nd fraction Divide by 5:
1/3 = 1/3 \(Perfect!\)
The answer is, \(\frac{3}{9}\) & \(\frac{5}{15}\)
Drag and drop the relationships below to classify them as being a function or not a function?
A relation that has more than one output of each input. That is not a function. A function only has one output of each input. Function a and function b are linear functions. Function a is represented by the table values. function b is represented by the equation y=3x+4.
Determine the domain of a piece wise function?Domain, is a term that is used to measure the independent variable’s values. Also known as the “x” values. It tells you what values of “x” are applicable in the function. What values will satisfy the function.
Determine the range of a piece wise function?Range, is a term used to measure the dependent variable’s values. Also known as the “y” values. It tells you what values of why does the graph of the function extends till.
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Can any anyone explain X^3=-125 ?
This is solving polynomial equations.
The value of x in the equation, X^3= -125 is -5.
How do we arrive at the solution for x?To find x in the above polynomial equation, we need to collect like terms and equate the expression to 0. To begin we can arrange the expression this way:
x^3 + 125 = 0
This means that we should find the figure which when multiplied three times would equate to 125. This figure is -5. So, when solved, we have:
-5³ + 125 = 0
-125 +125 = 0
So, the value for x in the equation above is -5.
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Shannon planted t fewer trees than toby. Toby planted 6 trees . Choose the expression that shows how many trees Shannon planted
The expression that presents the number of trees that Shannon planted will be 6 - t.
What is Algebra?Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.
The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.
Shannon planted t fewer trees than toby. Toby planted 6 trees.
Then the number of trees that Shannon planted will be given as,
⇒ 6 - t
The expression that presents the number of trees that Shannon planted will be 6 - t.
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Graph the system of inequalities. Then use your graph to identify the point that represents a solution to the system. x – y ≥ 7 x + 2y < 5
Answer: To graph this system of inequalities, we can first graph each inequality separately and then find the region where they overlap.
Starting with the first inequality, x - y ≥ 7, we can rearrange it to y ≤ x - 7 and graph the line y = x - 7. Since the inequality includes the line, we will use a solid line to represent it, and shade below the line to show the region where y is less than or equal to x - 7.
Next, for the second inequality, x + 2y < 5, we can rearrange it to y < (-1/2)x + 5/2 and graph the line y = (-1/2)x + 5/2. Since the inequality excludes the line, we will use a dashed line to represent it, and shade below the line to show the region where y is less than (-1/2)x + 5/2.
Now we can combine the two shaded regions to find the overlapping region where both inequalities are satisfied. This region is shown in the graph below:
| /
| /
| /
| /
| /
|/
---------------
The point that represents a solution to the system is the point where the two lines intersect. To find this point, we can solve the system of equations:
y = x - 7
y = (-1/2)x + 5/2
Substituting the first equation into the second, we get:
x - 7 = (-1/2)x + 5/2
Simplifying this equation, we get:
(3/2)x = 19/2
x = 19/3
Substituting this value of x into either of the original equations, we get:
y = 19/3 - 7 = 2/3
So the point that represents a solution to the system is (19/3, 2/3).
Step-by-step explanation:
You want to restrict the domain of the function shown in the graph below to make it one-to-one so that it will have an inverse. What are the largest domains, in interval notation you could use
Answer:
(-∞, -3] or [-3, ∞)
Step-by-step explanation:
You want the largest domain interval(s) on which the function shown in the graph could be one-to-one.
One-to-oneA one-to-one function must pass the horizontal line test. That is, no horizontal line can intersect its graph in more than one place.
ApplicationFor that to be true of the given function, the interval on which it is defined cannot include values on both sides of x=-3, where the graph has a minimum. That is, the domain must be either x ≤ -3, or x ≥ -3, (or some subset of either of these).
The largest intervals on which the function has an inverse are ...
(-∞, -3] or [-3, ∞)
<95141404393>
To make the given function one-to-one and have an inverse, we can restrict its domain to (-∞, a) or (a, ∞), where 'a' is the x-coordinate of the highest or lowest point on the graph.
Explanation:To make the given function one-to-one and have an inverse, we need to restrict its domain. The largest domains, in interval notation, that can be used are: (-∞, a) or (a, ∞) where 'a' is the x-coordinate of the highest or the lowest point on the graph, depending on the function type.
If the graph has a highest point, the domain is restricted to (a, ∞), where 'a' is the x-coordinate of the highest point. If the graph has a lowest point, the domain is restricted to (-∞, a), where 'a' is the x-coordinate of the lowest point.
For example, if the graph has a highest point at (3, 5), the domain would be restricted to (3, ∞) to make the function one-to-one and have an inverse.
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y is directly proportional to x^ . if y=12 when x=2 find, y when x=5
Answer:
The value of y = 30 when x = 5
Step-by-step explanation:
We know that when 'y' varies directly proportional to 'x', we get the equation
y ∝ x
y = kx
k = y/x
where k is called the 'constant of direct variation'.
We are given
y = 12 when x = 2
so substituting y = 12 and x = 2 in the equation
k = y/x
k = 12/2
k = 6
Thus, the value of k = 6
We have to determine the value of y when x = 5
so substitute x = 5 and k = 6 in the equation
y = kx
y = 6(5)
y = 30
Therefore, the value of y = 30 when x = 5
Find the first five terms of the following sequence, starting with n=1.
Answer:
-2,1,6,13,22
Step-by-step explanation:
cn = n^2 -3
Let n=1
c1 = 1^2 -3 = 1-3 = -2
Let n=2
c2 = 2^2 -3 = 4-3 = 1
Let n=3
c3 = 3^2 -3 = 9-3 = 6
Let n=4
c4 = 4^2 -3 = 16-3 = 13
Let n=5
c5 = 5^2 -3 = 25-3 = 22
use the least common denominator to enter an equivalent fraction for each fraction.
Answer:
1/9 = 5/45 2/15 = 6/45
Step-by-step explanation:
9: 9, 18, 27, 36, 45
15: 15, 30, 45
Happy Card Co. designs personalized cards which cost $1.10 per card. The fixed cost to make the cards is $264 per day. If the company charges $5.10 per card, how many cards must be delivered daily to make a profit of $52? Show work below.
Step-by-step explanation:
x = number of cards
the production costs (PC) per day are
PC(x) = 264 + 1.1x
the sales (S) are
S(x) = 5.1x
the profit (P) per day is sales minus costs
P(x) = S(x) - PC(x) = 5.1x - (264 + 1.1x) =
= 5.1x - 264 - 1.1x = 4x - 264
we need to find the value of x, so that P(x) = 52.
52 = 4x - 264
316 = 4x
x = 316/4 = 79
79 cards must be delivered daily to make a profit of $52.
A dairy farm's cows produce 60 gallons of milk in 2 hours. The farm owner wants production to be at least 3 quart
per minute. Based on the farmer's wishes, what step should take place, and why?
O None, because the cows already produce 3 quarts per minute.
O None, because the cows produce more than the farmer wishes, at 6 quarts per minute.
The farmer needs to increase production, since the current rate is 2.5 quarts per minute.
O The farmer needs to increase production, since the current rate is 1 quart per minute.
O The farmer needs to increase production, since the current rate is 2 quarts per minute.
Answer:
The farmer needs to increase production, since the current rate is 2 quarts per minute.
Step-by-step explanation:
Just took the lil quiz
2530 divided by 7 in long divsonAnd written step by step.
EXPLANATION
In order to calulate long division, first we need to divide:
7 / 2530
The first number that is greater than 7 is 25, soDivide 25 by 7 to get 3
3
7/_ 2530
Multiply the quotient digit (3) by the divisor 7:
3
7 /__ 2530
21
Subtract 21 from 25:
3
7 /__ 2530
21
4
Bring down the next number of the dividend:
3
7 /__ 2530
21
43
Divide 43 by 7 to get 6:
36
7 /__ 2530
21
43
Multiply the quotient digit (6) by the divisor 7.
36
7 /__ 2530
21
43
42
Subtract 42 from 43:
36
7 /__ 2530
21
43
42
1
Bring down the next number of the dividend:
36
7 /__ 2530
21
43
42
10
Divide 10 by 7 to get 1:
361
7 /__ 2530
21
43
42
10
Multiply the quotient digit (1) by the divisor 7 to get 7
361
7 /__ 2530
21
43
42
10
7
Subtract 7 from 10:
361
7 /__ 2530
21
43
42
10
7
3
Answer: The solutions for long division of 2530 divided by 7 is 361 with remainder of 3.
361 Remainder 3
need help with this algebra ii question
Vertex form: y = |x - h| + k
Vertex = (h, k)
G(x) was shifted 3 to the right and up 2.
G(x) = |x - 3| + 2
Hope this helps!! :)
What is an equation of the line that passes through the points (5, 0) and (-5, -8)
Answer:
Step-by-step explanation:
m = (y2-y1) / (x2-x1)
m = (-8-0) / (-5-5) = 4/5
note that it does not matter which points you chose to be second or first
then use slope point equation again it does not matter which point from the slope you use
y - y1 = m ( x - x1 )
y - 0 = 4/5 ( x - 5)
y = 4/5x -4
please if you find my answer helpful mark it brainiest
A given angle measures 30° and the measure of its vertical angle is expressed as (5x + 5).
Part A
Write an equation to determine the value of x. Solve for 2.
Enter the correct answers in the boxes.
Answer:
Equation: 5x+5 = 30
x = 5
Step-by-step explanation:
Since vertically opposite angles are equal, then;
5x+5 = 30
Subtract 5 from both sides
5x +5-5 = 30-5
5x = 25
x = 25/5
x = 5
The required equation is 5x+5 = 30 (vertically opposite angles are equal)
The value of x is 5
4. f(x) = 2x4 - 3x2 + 5. Find f(-1).
What is the answer
Answer:
\({ \rm{f(x) = 2 {x}^{4} - 3 {x}^{2} + 5 }}\)
• for f(-1), substitute x with -1
\({ \rm{f( - 1) = 2 {( - 1)}^{4} - 3 {( - 1)}^{2} + 5 }} \\ \\ { \rm{f( - 1) = 4}}\)When solving algebraic equations, you must undo the operations of
terms in reverse PEMDAS order. In other words, first, undo addition or
subtraction of terms, then undo multiplication or division of terms, then
undo exponents, then undo anything inside of parenthesis.
O True
O False
The statement is false, as the PEMDAS order must be respected, that is, parenthesis operations are done first, then exponents, then multiplication/division and finally addition/subtraction.
What is the precedence of operations?The precedence of operations is defined by the PEMDAS acronym, with a highest to lowest order of precedence, as follows:
P: power operations.E: exponent operations, with the same precedence as power operations, depending which appears first on the expression.M: multiplication operations.D: division operations, with the same precedence as division operations, depending which appears first on the expression.A: addition operations.S: subtraction operations, with the same precedence as subtraction operations, depending which appears first on the expression.More can be learned about precedence of operations at brainly.com/question/550188
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Which expressions are equivalent to the given expression?
y-8y3x0x-2
Equivalent expressions are expressions that have equal values
The equivalent expressions of \(y^{-8}y^3x^0x^{-2}\) are \(x^{-2}y^{-5}\) and \(\frac{1}{x^2y^5}\)
The expression is given as:
\(y^{-8}y^3x^0x^{-2}\)
Express x^0 as 1
\(y^{-8}y^3x^0x^{-2} = y^{-8}y^3 \times 1 \times x^{-2}\)
Apply law of indices
\(y^{-8}y^3x^0x^{-2} = y^{-8 + 3}\times x^{-2}\)
\(y^{-8}y^3x^0x^{-2} = y^{-5}\times x^{-2}\)
Remove the product sign (x)
\(y^{-8}y^3x^0x^{-2} = y^{-5}x^{-2}\)
Rewrite as:
\(y^{-8}y^3x^0x^{-2} = x^{-2}y^{-5}\)
Rewrite as positive exponents
\(y^{-8}y^3x^0x^{-2} = \frac{1}{x^2y^5}\)
Hence, the equivalent expressions of \(y^{-8}y^3x^0x^{-2}\) are \(x^{-2}y^{-5}\) and \(\frac{1}{x^2y^5}\)
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Which of the following values are solutions to the inequality 1 < 4x-3
Answer:
x>1 (inequality form)
(1,∞)
Step-by-step explanation:
Hope this helped :)
An insurance company claims that in the population of homeowners, the mean annual loss from fire is u-$5000 with a standard deviation of o-$250
distribution of loss is strongly right-skewed: Many policies have $0 loss, but a few have large losses.
If we create a sampling distribution with a sample of 64 homeowners, what is the z-score that corresponds to a sample average of $5100?
Round to four decimals
Type your answer.
1 point
Answer:
To find the z-score, we use the formula:
z = (x - mu) / (sigma / sqrt(n))
where:
x = sample mean = $5100
mu = population mean = $5000
sigma = population standard deviation = $250
n = sample size = 64
Substituting the values, we get:
z = (5100 - 5000) / (250 / sqrt(64))
z = 2.56
Therefore, the z-score that corresponds to a sample average of $5100 is 2.56 (rounded to four decimals).
Step-by-step explanation:
I clicked on the black picture. thought is was the box to enter the answer.
35=11x. i need help
Answer:
x= 35/11
Step-by-step explanation:
steps
35 = 11x
swich sides
11x = 35
Divide both sides by 11
11x/11 = 35/11
simplify
x = 35/11
Express the following sum in sigma notation. Use 1 as the lower limit of summation and k for the index of summation. 1+16+81+256+625+1296
The answer to the sum is: ∑ k⁴ (k ranges from 1 to 6)
Express the sum in sigma notation :
According to the question,
1 = lower limit of summation
k = the index of summation
1 + 16 + 81 + 256 + 625 + 1296 = 1² + 4² + 9² + 16² + 25² + 36²
= 1⁴ + 2⁴ + 3⁴ + 4⁴ + 5⁴ + 6⁴ ( i.e 16 = 4²=(2²)²)
= ∑ k⁴ (k ranges from 1 to 6)
So, The answer to the sum is - ∑ k⁴ (k ranges from 1 to 6).
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A contractor better job at $750 for materials plus $43 per hour for labor. The total cost for the job can be modeled by C= 43H+ 750$.
Find the number of hours that he has for the job if the owner would like the total cost to be under $2000, rounded to the nearest hour.
The contractor has a maximum of 29 hours (rounded down) to complete the job while keeping the total cost under $2000.
To find the number of hours the contractor has for the job while keeping the total cost under $2000, we can use the given cost model equation: C = 43H + 750.
Since the owner wants the total cost to be under $2000, we can set up the inequality:
43H + 750 < 2000
Now, let's solve this inequality for H, the number of hours:
43H < 2000 - 750
43H < 1250
Dividing both sides of the inequality by 43:
H < 1250/43
To determine the maximum number of hours the contractor has for the job, we need to round down the result to the nearest whole number since the contractor cannot work a fraction of an hour.
Using a calculator, we find that 1250 divided by 43 is approximately 29.07. Rounding down to the nearest whole number, we get:
H < 29
Using the cost model equation C = 43H + 750, where C represents the total cost and H represents the number of hours, we set up the inequality 43H + 750 < 2000 to satisfy the owner's requirement of a total cost under $2000.
By solving the inequality and rounding down to the nearest whole number, we find that the contractor has a maximum of 29 hours to complete the job within the specified cost limit.
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QUESTION IS IN IMAGE!! DONT SHOW WORK JUST THE ANSWER UNLESS YOU NEED TO
Given:
m∠SPQ = 113 degrees
Let's find the measure of angle RQS, m∠RQS.
By applying the angle-arc relationship, we have:
m∠SPQ = measure of arc SQ = 113 degrees.
Since RQ is the diameter, measure of arc RQ = 180 degrees.
Now, let's find the measure of arc RS:
measure of arc RS = 360 - arc SQ - arc RQ
measure of arc RS = 360 - 113 - 180 = 67 degrees.
To find the m∠RQS, apply angle-arc relationship:
\(\begin{gathered} m∠RQS=\frac{1}{2}arcRS \\ \\ m∠RQS=\frac{1}{2}*67 \\ \\ m∠RQS=33.5^o \end{gathered}\)Therefore, the measure of angle RQS is 33.5 degrees.
ANSWER:
m∠RQS = 33.5°
Pls hurry I’m being timed
Answer:
its B
Step-by-step explanation: its the only "division" thing. and 15-14 is 1 not 2 so its B
Standard automobile license plates in a country display 2 digits, followed by 2 letters, followed by 3 digits. How many different standard plates are possible in this system? (Assume repetition of letters and digits is allowed.)
Your answer is :
There are 67,600,000 possible standard license plates in this system.
Multiplication principle of counting:
The concept used to solve this problem is the multiplication principle of counting, which states that the total number of outcomes for a sequence of independent events is equal to the product of the number of outcomes for each individual event.
Here we have
Standard automobile license plates in a country display 2 digits, followed by 2 letters, followed by 3 digits.
For the first two digits,
As we know the number of digits = 10 [ from 0 to 9 ]
Hence, there are 10 possibilities for each digit (0-9),
The number of possibilities for 2 digits = 10×10 = 100 possibilities.
For the next two letters,
There are 26 possibilities for each letter (A-Z) as there are 26 letters
The number of possibilities for 2 letters = 26×26 = 676 possibilities.
For the last three digits,
There are 10 possibilities for each digit (0-9),
The number of possibilities for 3 letters = 10×10×10 = 1000 possibilities.
To get the total number of possible license plates,
Multiply the number of possibilities
= 100 × 676 × 1000 = 67,600,000
Therefore,
There are 67,600,000 possible standard license plates in this system.
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