Answer:
8.35
A company orders 25 boxed lunches from a deli for $208.75
What do we need to do to find the unit cost?
Given:
[tex]25\\208.75[/tex]
We need to find the cost.
Therefore, we need to work on the numbers we are given:
If each boxed lunch costs the same amount, then we need to divideWe have to divide the numbers given.$208.75 / 25 = 8.35Therefore, the unit cost is 8.35
HELP PLSPLSPSL QUICK
Answer:
B. y > 4x + 2
Step-by-step explanation:
The area of the graph above the dotted line is shaded; therefore, this inequality is greater than. The dotted line's slope is 4, hence x is multiplied by 4, and its y-intercept is at 2, hence + 2 on the right side.
PLS ASAP
An online bookstore sells hardcover books for a regular price of $17.95 and paperback books for a regular price of $9.95. The paperback books
are on sale for 25% off. The bookstore offers two shipping options:
• free shipping on orders of $59 or more
.
shipping charge of $5.95 on orders less than $59
Isa had planned to buy 2 hardcover and 3 paperback books.
How much more will Isa pay if she buys 2 hardcover and 4 paperback books instead of her original plan? Enter the answer in the box.
The extra amount that the store would have to pay for buying 2 hardcover and 4 paperback books instead of her original plan is $1.51
How to solve for the amount of books boughtThe paper back books have a discount of 25%
hence we what would be paid for in such category would be 1 - 25% charge = 75 %
price of hardcover = 17.95
price of paperback = 9.95 dollars
Isa bought 2 hardcover and 4 paper back
we are to find the cost of these items
2 x 17.95 + (4 x 9.95 x 75%)
= 35.9 + 29.85
= 65.75
We have to find the cost of the initial plan of 2 hardcover and 3 paperback books.
2 x 17.95 + 3 x 9.95 x 0.75
35.9 + 22.3875
= 58.29
This is less than 59 dollars, she would have to pay the shipping fee.
58.29 + $5.95
= 64.23
The extra amount that she has had to pay for going with 2 hardcover and 4 paperback books is:
65.75 - 64.23
= 1.51 dollars
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A store manager created this table representing the relationship between the reported number of rainy days during a given month, x, and the sales revenue of raincoats, y, rounded to the nearest dollar.
The predicted number of coffee sales, in hundreds of dollars, for an average daily temperature of 32 degrees is of:
63.34.
What is defined by the line of best fit?The definition of the line of best fit in this problem is given as follows:
y = -0.68x + 85.1.
The variables in the context of this problem are defined as follows:
Variable x: average daily temperature.Variable y: predicted number of coffee sales, in hundreds of dollars.Hence, for an average daily temperature of 32 degrees, the estimate of the number of coffee sales is given as follows:
y = -0.68(32) + 85.1 = 63.34 thousand dollars.
Missing InformationThe problem is incomplete and is given by the image at the end of the answer.
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Clara and toby are telemarketers. yesterday, Clara reached 6 people in 12 calls, while Toby reached 7 people in 13 phone calls. If they continue at those rates, who will reach more peoples in 40 phone calls? How many more?
Step-by-step explanation:
Firstly we determine how many people clara will reach in 40 phone calls.
6 people=12 calls
X people=40 calls.
make X the subject of the formula.
X=(6×40)÷12=20
So clara will reach 20 people in 40 phone calls.
Now lets determine how many people Toby will reach in 40 phone calls.
7 people=13 calls
Y people=40 calls.
Therefore making Y the subject of the formula we have,
Y=(7×40)÷13=21 people.
So toby will reach more people in 40 calls
List the percent decrease for each of the following A year old $30,000 Subaru selling for $24,500
well, the decrease is really 30000 - 24500 = 5500.
now, if we take the 30000 to be the 100%, what is 5500 off of it in percentage?
[tex]\begin{array}{ccll} a&b\\ \cline{1-2} 30000 & 100\\ 5500& x \end{array} \implies \cfrac{30000}{5500}~~=~~\cfrac{100}{x} \\\\\\ \cfrac{ 60 }{ 11 } ~~=~~ \cfrac{ 100 }{ x }\implies 60x=1100\implies x=\cfrac{1100}{60}\implies x=\cfrac{55}{3}\implies x=18\frac{1}{3}[/tex]
A number is between 41 and 46. It has prime factors of 2 and 11. What is the number?
The answer you are looking for would be 44.
Step-by-step explanation:Here,
The number lies between 41 and 46 are 42, 43, 44, and 45
From the straightforward observation and according to the condition that must be divisible by 2 and 11 there is only one number that is divisible by both 2 and 11 is 44.
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Hector saved $726 in 6 months. he saved the same amount each month. How much did hector save each month? I don’t have the answer and I don’t get it !
Answer:
He saved $121
Step-by-step explanation:
All you have to do is divide $726/6 which gives you $121.
Question 6 of 10
Using the graphing function on your calculator, find the solution to the system
of equations shown below.
A. More than 1 solution
B. x = 4, y = 3
C. No solution
D. x = 3, y = 4
y-2x = -2
y-x = 1
Answer:
D x = 3 y = 4
(3.4)
Step-by-step explanation:
See below
please help please I need i real bad
Answer:
C
Step-by-step explanation:
Answer:
I think the Answer choice = C
Step-by-step explanation:
27. A boy and his sister together weighs 60kg. if the boy is 6.8kg heavier than his sister, calculate his sister's weight. A. 26.6kg 8.23.2kg C. 33.4kg D. 36kg
help uhh don't worry i won't be asking all the time it's just the ones i don't understand
t/4+5=20 how would you solve this problem
Answer:
t = 60
t/4+5=20
Step 1:
multiply both sides of equation by 4 to separate t from the fraction t/4.
t + 20 = 80
Step 2:
Subtract 20 from both sides of the equation ( you have to put constant values on the same side)
t= 80 - 20
Step 3:
Do the math
80-20=60 so t=60
Step-by-step explanation:
hope this helps! please give brainiest ^^^
Find the Maclaurin series of the following functions.
(b) g(x) = sin(3x^2)
The Maclaurin series of sin(3x²) up to n = 3 is
[tex]=3x^2-\dfrac{9}{2}x^6+\frac{81}{40}x^{10}+\ldots[/tex]
The function is given in the question as
g(x) = sin(3x²)
Taylor (Maclaurin) series of sin(3x²) up to n = 3
A Maclaurin series is given by f(x),
[tex]f\left(x\right)=f\left(a\right)+\frac{f^'\left(a\right)}{1!}\left(x-a\right)+\frac{f^{''}\left(a\right)}{2!}\left(x-a\right)^2+\frac{f^{'''}\left(a\right)}{3!}\left(x-a\right)^3+\ldots[/tex]
[tex]f\left(x\right)=f\left(0\right)+\frac{f^'\left(0\right)}{1!}\left(x\right)+\frac{f^{''}\left(0\right)}{2!}\left(x\right)^2+\frac{f^{'''}\left(0\right)}{3!}\left(x\right)^3+\ldots[/tex]
We need to do to get the desired polynomial is to calculate the derivatives, evaluate them at the given point, and plug the results into the given formula.
f⁽⁰⁾(x) = f(x) =sin(3x²)
Evaluate the function at the point: f(0)=0
1st derivative: f(1)(x)=(sin(3x²))′ = 6xcos(3x²)
1st derivative at the given point: (f(0))′=1
2nd derivative: f(2)(x)=(f(1)(x))′=(6xcos(3x²))′=−36x2sin(3x2)+6cos(3x²)
Evaluate the 2nd derivative at the given point: (f(0))′′=6
3rd derivative: f(3)(x)=(f(2)(x))′=(6xcos(3x²))′=−36x2sin(3x²)+6cos(3x²)
Evaluate the 3rd derivative at the given point: (f(0))′′′=0
Now, use the calculated values to get a polynomial:
[tex]g(x)=0+\frac{0}{1!}x+\frac{6}{2!}x^2+\frac{0}{3!}x^3+\frac{0}{4!}x^4+\frac{0}{5!}x^5[/tex]
Thus, the Maclaurin series of sin(3x²) up to n = 3 is
[tex]=3x^2-\dfrac{9}{2}x^6+\frac{81}{40}x^{10}+\ldots[/tex]
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4.40x2.50
i really need this please
Answer:
11
Step-by-step explanation:
If it is correct, could you please give me brainliest? I would really appreciate it! Thank you!
Suppose you go to work for a company that pays one penny on the first day, 2 cents on the second day, 4 cents on the third day and so on.
Hint: use an= a1 (r)^n-1 and Sn= a1 (1-r^n) / 1 - r
A. If the daily wage keeps doubling, what would your income be on day 31? Give your answer in dollars NOT pennies.
Income on day 31 = $ __________
B. If the daily wage keeps doubling, what will your total income be for working 31 days? Give your answer in dollars NOT pennies.
Total Income for working 31 days = $ _________
Using the given function, the income for day 31 is
$10,737,418.24the total Income for working 31 days is
$21 474 836.47 How to find the income on day 31Using the given function an = a1 (r)^n-1
where
a1 = first day = 1
r = common ratio = 2
The income on day 31, n = 31
= 1 * 2^(31 - 1)
= 2^30
= 1,073,741,824 cents
= $10,737,418.24
Total Income for working 31 days n = 31
Using Sn= a1 (1-r^n) / 1 - r
Sn = (1 * (1 - 2^31)) / (1 - 2)
Sn = (1 - 2^31)) / - 1
Sn = (1 - 2147483648) /-1
Sn = 2147483647
Sn = 2,147,483,647 cents
Sn = $21 474 836.47
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Letters are converted into base two numbers for computer processing The capital letters A through Z are assigned 65 through 90, with each number expressed in base two. Thus, the binary code for A (55) is
1000001. Similarly, the lowercase letters a through z are assigned 97 through 122 in base two. Write the binary representation for the following letter
H
Answer: 1001000
Step-by-step explanation:
IF A= 65
H=72
BINARY OF H= 72 = 1001000
NEED HELP!! Consider the following quadratic function.
f(x)= -3x^2 - 30x - 74
Write the equation in form f(x) = a (x - h)^2 +k. Then give the vertex of its graph.
As per the question, the solution to the equation f(x) = a(x-h)2+k is y = 3(x+5)2 -1.
What is an equation?Equations are mathematical expressions with two algebras on either side of an equal (=) sign. The expressions on the left and right are shown to be similar to one another, demonstrating this relationship. L.H.S. = R.H.S. (left-hand side = right side) is a simple fundamental equation.
As per the given values mentioned in the question,
a=3, b=30, c=74.
To fix this issue, employ the Vertex Formula,
(-b/(2a)) , f(-b/(2a))
-b/(2a)
= -(30)/(2 × 3)
h = -5.
f(-b/(2a))
= 3(-5)² + 30(-5) + 74
k = 75 +-150 +74
k = -1.
Vertex, V = (h,k)
V = (-5,-1).
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A farmer purchased 480 meters of fencing, and will build a rectangular pen with it. To enclose the largest possible area, what should the
pen's length and width be? Model the pen's area with a function, and then find its maximum value.
To enclose the largest possible area, the pen's length should be__and width should be__.
The largest possible area will be 14400 meters², the pen's length should be 120 meters, and the width should be 120 meters.
What is the perimeter of the rectangle?The perimeter of a rectangle is defined as the addition of the lengths of the rectangle's four sides.
Let's assume that the length of the pen would be x.
We have been given the perimeter as 480 meters.
Let w be the width of the rectangle and l be the length of the rectangle
The perimeter of a rectangle = 2(l+w)
So, 480= 2(x + w)
240 = x + w
w = 240 - x
Length = x and width = (240 – x)
Area = x(240 - x) = 240x - x²
To get the maximum area, we equate the first derivative of the area to zero.
A = 240x - x²dA/dx = 240 - 2x = 0
2x = 240
x = 120
So, width = 240 – x = 240 – 120 = 120.
Maximum area = length × width
Maximum area = 120 × 120 = 14400 meters²
Thus, the pen should be 120 meters long and 120 meters wide, with a maximum possible area of 14400 meters².
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Liam is setting up folding chairs for a meeting. If he arranges the chairs in 7 rows of the same length, he has 5 chairs left over. If he arranges the chairs in 5 rows of that same length, he has 17 left over. How many chairs does Liam have?
Answer: 47
Step-by-step explanation: Let's call the number of chairs Liam has x. We can set up the following equations to represent the problem:
7r = x - 5
5r = x - 17
Where r is the length of each row.
To solve for x, we can set the two equations equal to each other:
7r = x - 5
5r = x - 17
Then we can solve for x by combining like terms and solving for the value of x:
7r - 5r = x - 5 - x + 17
2r = 12
r = 6
We can substitute the value of r back into either of the original equations to solve for x:
7r = x - 5
7 * 6 = x - 5
x = 47
Therefore, Liam has 47 chairs.
The function f(x) is defined as f(x) = One-third(6)x. Which table of values could be used to graph g(x), a reflection of f(x) across the x-axis?
The table of values that could be used to graph g(x), a reflection of f(x) across the x-axis is table (c)
How to determine the table of values?From the question, we have the following equation that can be used in our computation:
f(x) = One-third(6)x
When this statement is represented as an equation, we have the following representation
f(x)= 1/3(6)ˣ
The transformation is given as
A reflection of f(x) across the x-axis
This means that
g(x) = -f(x)
So, we have
g(x) = -1/3(6)ˣ
What this means is that the values of f(x) are negated to get g(x)
The table that represents this is table (c)
Hence, the table of values is table (c)
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Answer: C
Step-by-step explanation:
julio pays 12.10 for 2.5 pounds of fish. what is the price per pound of fish
Answer:
$4.84 per pound
Step-by-step explanation:
divide 12.10 by 2.5 and you get 4.84, which is the price per pound
Answer:
12.1 × 2.5 = 30.25
Step-by-step explanation:
12.1 × 2.5
12.1 has 1 decimal place
2.5 has 1 decimal place
Therefore, the answer has 2 decimal places
= 30.25
10 = 2(x - 2)
How would I solve for X?
Answer:
x = 7Step-by-step explanation:
10 = 2(x - 2)
How would I solve for X?
10 = 2(x - 2)
10 = 2x - 4
14 = 2x
x = 7
--------------------
check
10 = 2(7 - 2)
10 = 2 x 5
10 = 10
the answer is good
Answer:
x=7
Step-by-step explanation:
Given:
A linear equation is given as:
[tex]10=2(x-2)[/tex]
To Find:
The objective is to solve the equation and find the value of x.
Explanation:
[tex]10=2(x-2)\\[/tex]
⇒ [tex]\frac{10}{2}=x-2[/tex]
⇒[tex]5=x-2[/tex]
⇒ [tex]x=7[/tex]
Final Answer :
The value of x is 7.
Connor borrows $8,000 at a rate of 19% interest per year. What is the amount due at the end of 7 years if the interest is compounded continuously?
$14,576.95
$30,248.35
$43,791.58
$29,215.37
Answer:
Step-by-step explanation:
30,248.35
Given f(x)=ln x, evaluate
a) f (e⁴)
b) f (e ㏑ 5)
c) f (e³ ㏑ 5)
The natural logarithms of the given questions are f(e⁴) = 4, f(e ㏑ 5) = 5, and f(e³ ㏑ 5) = -0.5108.
What is the natural logarithm?
A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.
Given,
f(x) = ln x,
a) f(e⁴)
f(e⁴) = In(e⁴)
= 4In(e)
= 4 * 1
f(e⁴) = 4
b) f(e ㏑ 5)
= f(e⁻⁵)
= [tex]f(e^{\frac{1}{5} })[/tex]
= In(1) - In(e⁵)
= 0 - 5In(e)
= 5*1
f(e ㏑ 5) = 5
c) f(e³ ㏑ 5)
[tex]= f(e^{\frac{3}{5} })[/tex]
= In(3) - In(e⁵)
= ln(3) - ln(5)
f(e³ ㏑ 5) = -0.5108
Hence, The natural logarithms of the given questions are f(e⁴) = 4, f(e ㏑ 5) = 5, and f(e³ ㏑ 5) = -0.5108.
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40! points Which expression is equivalent to 2x + 7y + 4x - 3y * 1 point
6x + 10y
6x - 10y
6x + 4y
6x - 4y
Supposed you invest 1000 at 9% interest, compound monthly . Find the amount you have after 18 months
The amount you have after 18 months is $ 1143.96 .
what is compound interest?
Interest that is added to a loan or deposit sum is known as compound interest. In our daily lives, it is the notion that is employed the most frequently. Compound interest is calculated for a sum using the principal and interest accrued over time. Compound interest and simple interest differ primarily in this way.
[tex]A=P {(1 +\frac{r}{n})^{nt} }[/tex]
Given:
P = 1000 , r in decimal = 0.09 ,
n = 12 , t = 1.5 ( 18 months = one and a half years).
Substituting the values into the formula:
A = 1000 ( 1 + 0.09/ 12 ) ^[12 ( 1.5 )]
≈ 1000 ( 1.143960 )
= 1143.960
Rounding to the nearest cent, we get $ 1143.96 .
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How do I solve this?
11) (Level 2):
I believe if you just multiply the shaded area (10x6), then maybe subtract the non-shaded area (20cm and 10 cm). After doing this process, I believe you will get: 200-60 = 140! (But then again I could be wrong, I’ll admit it I’m not a pro but at least I gave effort!)
Fraction: 14/10
Decimal: 1.4
Percent: 140%
12) (Level 3):
I have absolutely no idea about this question and I don’t want to guess! Sorry!
The sum of 10 and b, multiplied by 8
find the inverse of
f(x) = 4x + 2 over 3
Answer: f^-1(x)=(3x-2)/4
Step-by-step explanation:
1. Change the x and y
y=(4x+2)/3 → x=(4y+2)/3
2. Swap sides (optional)
x=(4y+2)/3 → (4y+2)/3=x
3. Multiply the equation by 3 on both sides
(4y+2)/3=x → (3)*(4y+2)/3=x*(3)
4. Subtract 2 from both sides
(3)*(4y+2)/3=x*(3) → 4y=3x-2
5. Divide 4 from both sides
4y=3x-2 → y=(3x-2)/4
6 Substitute f^-1(x) for y
y=(3x-2)/4 → f^-1(3x-2)/4
SOLVE FOR P
-2p = -3p + 8
P=
Answer:
P= 8
Step-by-step explanation:
-1 (-2p = -3p + 8)
2p = 3p - 8
-p = -8
p = 8
to check this...
-2(8) = -3(8) + 8
-16 = -24 + 8
-16 = -16
How many lines of symmetry does a peace sign have
Answer:
A peace sign has one line of symmetry.
The one line is up and down in the center.
Hope this helps! :D
Step-by-step explanation: