The SUBSTITUTE function in this way allows you to remove the hyphen after the sixth digit in the phone number stored in cell D4.
To remove the hyphen after the sixth digit in cell D4, you can use the SUBSTITUTE function in Microsoft Excel. The SUBSTITUTE function replaces a specified text within a string with another specified text. Here's how you can use it:
1. Select the cell where you want the modified phone number to appear.
2. Type the following formula in the formula bar: =SUBSTITUTE(D4,"-","",1)
- The first argument, D4, is the cell reference to the original phone number.
- The second argument, "-", is the text you want to replace, in this case, the hyphen.
- The third argument, "", is the text you want to replace the hyphen with, in this case, nothing.
- The fourth argument, 1, specifies that only the first occurrence of the hyphen should be replaced.
3. Press Enter to apply the formula.
4. The modified phone number without the hyphen after the sixth digit will appear in the selected cell.
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7
Use the product rule to find the derivative of Use e^x for e. You do not need to expand out your answer. (-4x² + 5x³)(8e + 5)
To find the derivative of the given expression (-4x² + 5x³)(8e + 5) using the product rule, we differentiate each term separately and apply the product rule.
Let's denote the first term as f(x) = -4x² + 5x³ and the second term as g(x) = 8e + 5.
Using the product rule, the derivative of the expression can be calculated as:
(fg)'(x) = f'(x)g(x) + f(x)g'(x)
Differentiating f(x) and g(x) with respect to x:
f'(x) = d/dx (-4x² + 5x³) = -8x + 15x²
g'(x) = d/dx (8e + 5) = 0 (since g(x) is a constant term)
Substituting these values into the product rule formula:
(fg)'(x) = (-8x + 15x²)(8e + 5) + (-4x² + 5x³)(0)
= (-8x + 15x²)(8e + 5)
Therefore, the derivative of the given expression (-4x² + 5x³)(8e + 5) using the product rule is (-8x + 15x²)(8e + 5).
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line has an x-intercept of -5 and a y-intercept of 3. Use this information for questions
8 through 10.
8.
Find the slope of the line.
9. Write the equation of the line in slope-intercept form.
10. Write the equation of the line in standard form.
Answer:
\((1)\;\;\;\text{Slope }= \dfrac{3}{5}\\\)
(2) Equation of line in slope-intercept form is
\(y = \dfrac{3}{5}x + 3\)
(3) Equation of line in standard form is:
\(5y - 3x = 15\)
Step-by-step explanation:
Equation of a line in slope-intercept form is
y = mx + b
where m = slope and b = y-intercept
Slope = \(\dfrac{y2 - y1}{x2-x1}\)
where (x1, y1) and (x2, y2) are two points on the line.
y2 - y1 is known as the rise
x2 - x1 is known as the run
Slope is also defined as rise/run
We are given x-intercept = -5.
The ex-intercept is the point at which the line crosses the x-axis. At this point the y-value = 0.
So we get one of the points (-5, 0)
We are given y-intercept = 3
The y-intercept is the point at which the line crosses the y-axis. At this point the x-value is 0
So another point on the line is (0, 3)
Knowing this we can compute rise and run
rise = y2 - y1 = 3 - 0 = 3
run = x2 - x1 = 0 - (-5) = 0+5 = 5
\((1)\;\;\;\text{Slope = $\dfrac{3}{5}$}\)
(2) Equation is
y = mx + b where m = slope and b = y-intercept
Slope = 3/5 from (1) and y-intercept = 3
So equation of line in slope-intercept form is
\(y = \dfrac{3}{5}x + 3\)
(3) Equation in standard form
In (2) subtract (3/5)x from both sides.
\(y - \dfrac{3}{5}x = 3\)
We can multiply both sides by 5 to get
\(5(y - \dfrac{3}{5}x )= 5 \times 3\\\\= 5y - 3x = 15\)
• Hari bought 25 kg of pure ghee at Rs 180 per kg and 25 kg vanaspati ghee of Rs.80 per kg. He mixed both types of ghee and sold the mixture of Rs. 150 per kg. Find profit or loss %
Step-by-step explanation:
as given,
hari bought,
amount of pure ghee he bought = 25 kg
cost of pure ghee per kg = Rs. 180
so, cost of 25 kg of pure ghee = 180 × 25 = Rs 4,500
amount of vanaspati ghee = 25 kg
cost of per kg of vanaspati ghee = Rs. 80
so, cost of 25 kg of vanaspati ghee = 80 × 25 = Rs. 2,000
he mixed both the ghee and got ( 25 + 25 ) = 50 kg of mixed ghee.
he sold them in cost = Rs. 150 per kg
so, total SP of mixed ghee = 150 × 50 = Rs. 7,500
so,
total CP = ( 4500 + 2000 ) = Rs. 6,500
total SP = Rs. 7,500
so,
Profit = SP - CP
→ 7,500 - 6,500 = Rs. 1000
Profit / gain = ( gain × 100 / CP)
→ (1000 × 100 / 6,500 )
→ 1000/65 = 15.38 ( approx.)
therefore, it's a profit of 15.38%.
hope this answer helps you dear! and may u have a great day ahead! take care!
Give the name (monomial,
binomial, trinomial etc.) and
degree of the polynomial.
15x2
ANSWER
Step-by-step explanation:
EXAMPLESmonomial:-20ybinomial:-25x+70ytrinomial:-13x+17y+√16Degree of polynomial of 15x^2 isDEGREE =2
1. Determine if the function is an exponential function.
f(x) = ab^z
The function f(x) = ab^x is an exponential function.
Determining if the function is an exponential function.From the question, we have the following parameters that can be used in our computation:
f(x) = ab^x
As a general rule, and exponential functtion is represented as
f(x) = ab^x
Where
Initial value = aCommon factor = bx and f(x) are the variables and the functionsHence, the function is an exponential function
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The Rosens found a house selling for $113,500. The taxes on the house are $1200
per year, and insurance is $320 per year. They are requesting a conventional loan from the local bank. The bank
is currently requiring a 15% down payment and 3 points, and the interest rate is 10%. The Rosen’s gross
monthly income is $4750. The have more than 10 monthly payments remaining on a car, a boat, and furniture.
The total monthly payments for these items is $420. Their bank will approve a loan that has a total monthly
mortgage of principal, interest, property taxes, and homeowners insurance that is less than or equal to 28% of
their adjusted monthly income.
In order to calculate the maximum loan amount the Rosens can afford, we can use the 28% rule of thumb..Down Payment + Points = 15% Down Payment + 3 Points Down Payment + Points = 15% x 113,500 + 3 Points
In order to calculate the maximum loan amount the Rosens can afford, we can use the 28% rule of thumb. This rule states that the total monthly mortgage payment (principal, interest, taxes, and insurance) should not exceed 28% of the Rosens’ adjusted monthly income. The adjusted monthly income is calculated by subtracting the total monthly payments for their car, boat, and furniture from their gross monthly income To calculate the maximum loan amount, we can use the following formula :Maximum Loan Amount = (Adjusted Monthly Income x 28%) - (Monthly Property Tax + Monthly Home Insurance)For the Rosens, the adjusted monthly income is 4750 - 420 = 4330. The maximum loan amount is then calculated as follows: Maximum Loan Amount = (4330 x 0.28) - (1200/12 + 320/12)Maximum Loan Amount = 1208 - 200 Maximum Loan Amount = 1008.The maximum loan amount the Rosens can receive is then calculated by subtracting the down payment and points from the maximum loan amount .Down Payment + Points = 15% Down Payment + 3 Points Down Payment + Points = 15% x 113,500 + 3 Points.
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Solve the equation for y.
y - 9 = 3x + 2
Answer:
put the value of x yourself .Then it will be easy for you.
Answer:
y=3x+11
Step-by-step explanation:
hope this helps!!!
Estimate 1.9 x 4.4
A. Between 4 and 10
B. between 12 and 20
C. between 1 and 5
D Between 1 and 12
Answer:
A
Step-by-step explanation:
it's 8.36 which is between 4 and 10
i need help! please is expression equivalent
No the value of functions are not same .
What is function in math?
A quantitative expression, rule, or law that describes the link between an independent variable and a dependent variable (the dependent variable). In mathematics, functions occur widespread, and they are essential for defining physical links in the sciences.A function is a type of rule that generates one output for a single output. This is represented by the equation y=x2. Any inputs for x result in an output for y. Given that x is the input value, we would state that y is a result of x.- 5 × ( -5)⁻⁹ = -5 × 1/-5⁹ ⇒ 1/5⁸ = 1/390625
[ -5 × (-5)]⁻⁹ = [25]⁻⁹ = 1/25⁹ = 1/3814697265625
No the value of functions are not same .
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Please help, I’m really bad at this
Answer:
true
Step-by-step explanation:
becuse if you put too penicils on the sides or top and bootem the points will never touch
can anyone help me with this problem with a full explanation?? thank you
Answer:
15, 16, 17
Step-by-step explanation:
let the consecutive numbers be n , n + 1 , n+ 2 , then
n + n + 2 = 32 ( sum of first and third )
2n + 2 = 32 ( subtract 2 from both sides )
2n = 30 ( divide both sides by 2 )
n = 15
n + 1 = 15 + 1 = 16
n + 2 = 15 + 2 = 17
The 3 numbers are 15, 16, 17
Step-by-step explanation:
let the 1st and 2nd consecutive number be
x , x + 1 , x + 2
their sum = 32
so, x + x + 2 = 32
→ 2x + 2 = 32
→ 2x = 32 - 2 = 30
→ x = 30/2 = 15
so,
1st and 3rd consecutive number is
x = 15
x + 2 = 15 + 2 = 17
as they are consecutive number so 2nd number is 16
and a/q sum of 1st and 3rd number is 32
15 + 17 = 32
hope this answer helps you dear...take care and may u have a great day ahead!
This equation shows how the total number of necklaces Denise owns is related to the amount of money she spends on additional necklaces.
n = d + 74
The variable d represents the amount of money she spends on additional necklaces, and the variable n represents the total number of necklaces she owns. With $16 to spend on new necklaces, how many total necklaces can Denise own?
If the perimeter of a rectangle garden with a width of 15 is 125, what is the perimeter of the daily record it if the scale factor is 60%
Answer:
(here i assume that the daily record is another rectangle)
For a rectangle with width W and length L, the perimeter is:
P = 2*W + 2*L
in this case we know that:
P = 125
W = 15
Replacing these in the perimeter equation we get:
125 = 2*15 + 2*L
125 = 30 + 2*L
125 - 30 = 2*L
95 = 2*L
95/2 = L = 47.5
Now we know that the daily record has a scale factor of 60%.
This means that each measure of this rectangle is (60%/100%) times the equivalent measure of the rectangle garden.
Then if the width of the daily record is W' and the length of the daily record is L'
This means that:
L' = (60%/100%)*L = 0.6*L = 0.6*47.5
W' = (60%/100%)*W = 0.6*W = 0.6*15
Then the perimeter is:
P' = 2*0.6*47.5 + 2*0.6*15 = 75
(notice that is exactly the same than multiplying the original perimeter by (60%/100%) = 0.6)
a sample of 39 orders was selected, the average number of days was 6.65 with a population standard deviation of 1.5 days. calculate the appropriate test statistic to test the hypotheses. (z value)
The appropriate test statistic to test the hypotheses is 2.71. Hence, the correct option is D.
The appropriate test statistic to test the hypotheses is the z value. The z value is calculated using the formula:
z = (x - μ) / (σ / √n)
Where x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.
In this case, x = 6.65, μ = 6, σ = 1.5, and n = 39.
Plugging these values into the formula gives:
z = (6.65 - 6) / (1.5 / √39)
z = 0.65 / (1.5 / 6.24)
z = 0.65 / 0.24
z = 2.71
Therefore, the appropriate test statistic to test the hypotheses is 2.71, which corresponds to option D.
Note: The question is incomplete. The complete question probably is: A mail-order business prides itself in its ability to fill customers' orders in less than six calendar days, on average. Periodically, the operations manager selects a random sample of customer orders and determines the number of days required to fill the orders. On one occasion when a sample of 39 orders was selected, the average number of days was 6.65 with a population standard deviation of 1.5 days. calculate the appropriate test statistic to test the hypotheses. (z value). A) 4.54 B) 4.87 C) 1.76 D) 2.71.
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Look at this square. Find the value of
S.
S
Perimeter = 16 miles
S =
miles
The value of S, which represents the length of each side of the square, is 4 miles.
To find the value of S, we need to determine the length of each side of the square. Given that the perimeter of the square is 16 miles, we can use the formula for the perimeter of a square, which is 4 times the length of a side.
Perimeter = 4 × S
Given that the perimeter is 16 miles, we can substitute this value into the equation:
16 = 4 × S
To solve for S, we divide both sides of the equation by 4:
16 ÷ 4 = S
4 = S
Therefore, S, which stands for the square's side lengths, has a value of 4 miles.
So, S = 4 miles.
This means that each side of the square measures 4 miles, and the square has equal sides and right angles at each corner.
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Write an example from daily life that uses each type of real number.
rational numbers
Write an example from daily life that uses rational numbers .
Real numbers that may be expressed as p/q, where p, q are integers, and q 0, are rational numbers. The money we have is a rational number. If we spend some sum out of it, it is subtraction of rational number.The running race involves rational numbers if you're an athlete.Rational numbers include the following:the distance runthe time needed to complete the distance,the number of competitors placing first, second, or thirdthe number of heartbeats you take per minute.We use fractions to represent taxes.If you split a pizza or any other food.When you finish a piece of your work, you indicate that you have done half, or 50%.Loan and mortgage interest rates.Savings account interest.To learn more about rational numbers, refer:
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If you invest $1500 in at an interest rate of 7% for 5 years and the interest is compounded quarterly, how much money will you have after the 5 years? Round your answer to the nearest cent.
Answer:
$2122.17 (correct to the nearest cent).
Explanation:
To find the amount after 5 years, we use the compound interest formula below:
\(\begin{gathered} A=P(1+\frac{i}{k})^{nk} \\ \text{Principal, P}=1500 \\ Interest\text{ Rate, i =7\%} \\ \text{Period, k=4 (Quarterly)} \\ \text{Number of years, n=5} \end{gathered}\)Substitute the given values:
\(\begin{gathered} A=1500(1+\frac{0.07}{4})^{4\times5} \\ =1500(1+0.0175)^{20} \\ =1500(1.0175)^{20} \\ =\$2122.17 \end{gathered}\)After 5 years, you will have $2122.17 (correct to the nearest cent).
Suppose Deidre, a quality assurance specialist at a lab equipment company, wants to determine whether or not the company's two primary manufacturing centers produce test tubes with the same defect rate. She suspects that the proportion of defective test tubes produced at Center A is less than the proportion at Center B.
Deidre plans to run a -
test of the difference of two proportions to test the null hypothesis, 0:=
, against the alternative hypothesis, :<
, where
represents the proportion of defective test tubes produced by Center A and
represents the proportion of defective test tubes produced by Center B. Deidre sets the significance level for her test at =0.05
. She randomly selects 535 test tubes from Center A and 466 test tubes from Center B. She has a quality control inspector examine the items for defects and finds that 14 items from Center A are defective and 22 items from Center B are defective.
Compute the -
statistic for Deidre's -
test of the difference of two proportions, −
.
A disco ball has a circumference of 16.558 centimeters, and 448 rhinestones on its surface. Approximately how many rhinestones per square centimeter are on the surface of a disco ball ?
The number of rhinestones per square centimeter on the surface of a disco ball is 448/274.167.
How to find the surface area of a sphere?Suppose that radius of the considered sphere is of 'r' units.
Then, its surface area S would be:
\(S = 4\pi r^2 \: \rm unit^2\)
Given;
A disco ball has a circumference of 16.558 centimeters
448 rhinestones on its surface.
Now,
2pi*r=16.558
r=8.279/pi
Surface area of sphere=4pi*r^2
=4*68.541841
=274.167
Here, 448/274.167
Therefore, the surface area per square cm will be 448/274.167.
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Find the value of the variable and the measure of each labeled angle
Answer:
x+15=5x-41
5x - x = 15 + 41
4x = 56
x= 56/4
X = 14x+15 = 14 + 15 = 29°5x - 41 = 5(14)-41 = 70 - 41 = 29°We consider the unknown angle as " y "
y +29 =180 —> y=180 -29= 151
SO; X = 14 and angle 29° , 29° —> Opposite angles
and other angles 151° , 151° —> Opposite angles
I hope I helped you^_^
in the _____ theory of interpersonal relationship satisfaction, you would feel happiest in relationships when you feel that the rewards of the relationship equal or exceed its costs.
The Social Exchange Theory of interpersonal relationship satisfaction suggests that individuals are motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.
In the Social Exchange Theory of interpersonal relationship satisfaction, you would feel happiest in relationships when you feel that the rewards of the relationship equal or exceed its costs.
The Social Exchange Theory states that people evaluate their relationships in economic terms, with rewards being the benefits of the relationship and costs being the negatives. Rewards can include affection, attention, emotional support, sex, and companionship. Costs can include time, effort, money, and negative emotions such as stress, anxiety, and sadness.
According to the theory, individuals will be motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.
The opposite is also true; if individuals feel that the costs of the relationship are greater than the rewards, they will be motivated to leave the relationship.
Therefore, people are constantly evaluating their relationships to determine whether they are getting what they need from the relationship and whether it is worth continuing.
The Social Exchange Theory of interpersonal relationship satisfaction suggests that individuals are motivated to stay in a relationship as long as they feel that the rewards of the relationship are greater than the costs.
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Just need a step-by-step on how to do it
Answer:
area of the shape is 12,6 5 2
Which could be the resulting equation when elimination is used to solve the given system of equations?
5a+5b-25
(-5a+5b-35
O 10a = 60
O 10b = 60
0-10 a = 60
-10b = 60
Answer:
10b=60 is correct
Step-by-step explanation:
in a test of purchase orders, the auditor selected a random sample of 60 items out of a population of 1,200 purchase orders. the auditor discovered $4,000 in overstatements in the sample. the company's materiality threshold is $65,000. the tolerable misstatement for purchases is $50,000. which option best describes what the auditor should do next?
With 60 random samples, the auditor should communicate the finding of the material misstatement to the appropriate level of management.
What is random sampling?
In statistics, sampling is a way of picking a subset of the population from which to draw statistical conclusions. The characteristics of the entire population may be approximated from the sample. Market research sampling may be divided into two types: probability sampling and non-probability sampling.
Now,
Based on the information provided, the auditor should evaluate whether the overstatement of $4,000 in the sample is indicative of a material misstatement in the population of purchase orders.
To do this, the auditor can calculate the projected misstatement and compare it to the tolerable misstatement for purchases.
The projected misstatement can be calculated as follows:
Projected misstatement = (Total population / Sample size) x Sample misstatement
Projected misstatement = (1,200 / 60) x $4,000
Projected misstatement = $80,000
Since the projected misstatement of $80,000 exceeds the tolerable misstatement of $50,000, the auditor should conclude that there is a material misstatement in the population of purchase orders.
As the materiality threshold of the company is $65,000, the auditor should communicate the finding of the material misstatement to the appropriate level of management and consider adjusting the financial statements accordingly. The auditor may also need to perform additional audit procedures to further evaluate the extent of the misstatement and identify the cause of the overstatements.
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Determine the area of the triangle.
90.6 square units
50.1 square units
94.2 square units
106.0 square units
Answer:
94.2 square units.
I got 94.09 but that seems to be the closer answer.
Sports science researchers determined that, of those people who skateboard, 22% have never had an injury, 45% have had one injury, 18% have had two injuries, and 15% have had three or more injuries. What is the probability that a randomly chosen skateboarder has not had three or more injuries?
0.15
0.25
0.50
0.85
Answer:
Step-by-step explanation:
0.63 hope this helps
The required value of probability can be found as 0.85. The correct option is (D).
What is probability?Probability is the branch of Mathematics that deals with the measurement of the chance of occurrence of a random event.
The probability of any event always lie in the close interval of 0 and 1 [0,1].
The percentage of people having no, one, two and three or more injuries are given as 22%, 45%, 18% and 15% respectively.
Then, the probability of an event is equivalent to the percent value.
Now, the probability of skateboarders not having 3 or more injuries is given as,
⇒ 1 - P(Three or more injury)
⇒ 1 - 15/100
⇒ 0.85
Hence, the probability can be obtained for not having 3 or more injuries as 0.85.
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Write a problem based on the given information.
P = Cost of dinner
0.15p = cost of a 15% tip
P + 0.15p = 23
Answer:
The cost of dinner plus a 15% tip was $23. How much is the dinner?
the cost of the dinner = $20
Step-by-step explanation:
Given that:
p= cost of dinner
0.15p = cost of a 15% tip
p + 0.15 p = 23
The objective is to represent this problem in words based on the given information.
From above, we can say that:
The cost of dinner plus a 15% tip was $23. How much is the dinner?
SO;
p + 0.15 p = 23
1.15 p = 23
Divide both sides by 1.15
p = 23/1.15
p = 20
Therefore, the cost of the dinner = $20
Solve using the quadratic formula
By using the quadratic formula, the solution to this quadratic equation is equal to -0.5251 or -3.8081.
What is a quadratic equation?In Mathematics, a quadratic equation can be defined as a mathematical expression that can be used to define and represent the relationship that exists between two or more variable on a graph. In Mathematics, the standard form of a quadratic equation is given by;
ax² + bx + c = 0
Mathematically, the quadratic formula is modeled or represented by this mathematical expression:
\(x = \frac{-b\; \pm \;\sqrt{b^2 - 4ac}}{2a}\)
From the information provided, we have the following values;
3x² + 13x + 4 = 0
Where:
a = 3
b = 13
c = 4
Substituting the values into the quadratic formula, we have the following;
\(x = \frac{-(13)\; \pm \;\sqrt{(13)^2 - 4(3)(13)}}{2(3)}\\\\x = \frac{-13\; \pm \;\sqrt{169 - 72}}{6}\)
x = (-13 + √97)/6
x = -0.5251 or -3.8081.
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Solve for x in the diagram below.
120°
3x
0
2=
Answer:
x=40
Step-by-step explanation:
The 2 angles are opposite each other. Therefore, they are vertical angles. This means the 2 angles are equal. So, we can set them equal to each other.
120=3x
We want to find out what n is. In order to do this, we have to get n by itself. Perform the opposite of what is being done to the equation. Keep in mind, everything done to one side, has to be done to the other.
x is being multiplied by 3. The opposite of multiplication is division. Divide both sides by 3.
120/3=3x/3
120/3=x
40=x
x is equal to 40.
Answer:
40
Step-by-step explanation:
i had this a while ago
Donald bought a box of golf balls for $9.26. There were 18 golf balls in the box. About how much did each golf ball cost?
Answer:
$0.51 per golf ball.
Step-by-step explanation:
9.26 divided by 18 is 0.51.
Answer:
$1.94 dollars
Step-by-step explanation:
hehe