The equation C(l) = l3 – l2 + l + 2.5 models the cost to mail a package as a function of its length. To the nearest quarter inch, approximately what is the length of a package that costs $11.00 to mail? Enter your answer as a decimal.
Answers
Answer:
2.25
Step-by-step explanation:
Given the cost model:
C(l) = l3 – l2 + l + 2.5
l = Length fo package
The length of a package that cost $11.00
11 = l³ - l² + l + 2.5
From the table given :
Length of mail which cost $11 will just be slightly greater Than 2 as the cost of 2 length mail cost 8.50
Taking l as 2.20
2.2^3 - 2.2^2 + 2.2 + 2.50 = 10.508
Taking a slightly higher value :
Put l = 2.25
2.25^3 - 2.25^2 + 2.25 + 2.50 = 11.078
Ww can conclude that the length of mail would be 2.25
Answer:
2.75
Step-by-step explanation:
Related Questions
in a box of doughnuts, 4/7 of the doughnuts are chocolate and the rest are filled with jam. what is the ratio of chocolate doughnuts to jam doughnuts
Answers
What two numbers are located 3/4 of a unit from 1/10 on a number line?
Answers
Answer:
it's A cus i made a good grade so A is the right answer
A bottle contains 1.6 litres of water.
750 millilitres of the water is poured into a jug.
How much water is left in the bottle
Answers
Answer:
850 millilitres or 0.85 litreStep-by-step explanation:
1 litre = 1000 ml1.6 litre = 1000 ×1.61.6 litre = 1600 mlleft water = 1600ml - 750ml = 850mlMARK ME BRAINLISTThere are 2 rectangles. One was 1.2 cm by 3.4 cm. The other was measured 2.1 cm by 1.7 cm. How much is the perimeter?
Answers
Answer: See explanation
Step-by-step explanation:
Perimeter of a rectangle is given as:
= 2(length + breadth)
First rectangle measures 1.2 cm by 3.4 cm. The perimeter will be:
= 2(1.2+ 3.4)
= 2(4.6)
= 2 × 4.6
= 9.2cm
Second rectangle measured 2.1 cm by 1.7 cm. The perimeter will be:
= 2(2.1 + 1.7)
= 2 × 3.8
= 7.6cm
Total perimeter = 9.2cm + 7.6cm = 16.8cm
Arthur’s dinner bill totaled $13.72, before sales tax and tip.
Sales tax at the restaurant is 5.8%.
After sales tax, he left a 15% tip.
What was Arthur’s total bill, including sales tax and tip?
A.13.84
B.14.52
C.15.78
D.16.70
Answers
Answer:
16.70
Step-by-step explanation:
i am sure this is the correct answer 100 percent sure
There are places in the world where the forests have been destroyed and trees no longer grow. What needs to take place for a forest to be a renewable resource?
what is the answer?
Answers
Reforestation must take place if forests have been destroyed.
Afforestation is creating new forest where non had existed before.
Answer:
Reforestation must take place if forests have been destroyed.Afforestation is creating new forest where non had existed before.
Step-by-step explanation:
Which expression is equivalent to (6 * p ) + 3? *
Answers
Answer:
What are the other choices
Step-by-step explanation:
Dana and her husband wanted to take the youth group to a pizza park. It costs each child $7 to ride all the rides and double that amount for adults. They took 13 children with them.
How much did they spend at the pizza park?
Answers
Mental math Solve the equation n/10+5=12
Answers
Why are these two triangles are congruent and prove reason
Answers
Answer:
SAS
Step-by-step explanation:
UN || A?
SN || D?
m< N ≅ m<?
Side angle side.
SUN ≅ DA?
? Is the angle that is not marked or cropped off
✨✨Please help✨✨ will mark brainliest
Answers
Answer:
2/3, 62%, 61, 0.6.
Step-by-step explanation:
62% stays 62%
0.6 is 60%
61 is 61%
2/3 is around 66.67%
so the order from greatest to least would be
2/3, 62%, 61, 0.6.
Mike is a cashier. He works 35 hours and is paid a total of £217
What is Mike's hourly rate of pay? (2 marks)
Your answer
Answers
Answer:
Answer vary :
Mike is paid $6.20 per 1 hour.
Step-by-step explanation:
honestly in my opinion that’s the answer.
‘what is happening is we need to find out how much he is paid for only one hour.
knowing that mike is paid 217 in 35 hours we divide
- 217 divided by 35 = 6.2
and that’s the answer to check if it’s right we multiple 6.2 by 35
- 6.2 times 35 = 217
wich shows it is correct.
and that is how I came to that solution.
The expression 3(-2m + 5) - 6(-4m - 2) can be written in the form am + b. What is the value of a + b?
Answers
Answer: 45
Step-by-step explanation:
3(-2m + 5) -6(-4m - 2) =
-6m + 15 + 24m + 12=
18m + 27
18= a 27= b 27 + 18= 45
The value of the expression a + b is 45.
What is an expression?An expression contains one or more terms with addition, subtraction, multiplication, and division.
We always combine the like terms in an expression when we simplify.
We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.
Example:
1 + 3x + 4y = 7 is an expression.
3 + 4 is an expression.
2 x 4 + 6 x 7 – 9 is an expression.
33 + 77 – 88 is an expression.
We have,
First, we can simplify the expression using the distributive property:
3(-2m + 5) - 6(-4m - 2) = -6m + 15 + 24m + 12
Combining like terms, we get:
18m + 27
So, a = 18 and b = 27, which means:
a + b = 18 + 27 = 45
Therefore,
The value of a + b is 45.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ3
Determine if the system has no solutions, one
solution, or infinitely many solutions.
y = 3x
y = 3x - 1
Answers
Answer:
no solutions
Step-by-step explanation:
they will be parallel cuz same slope but diff y-intercepts
Answer: no solution
Step-by-step explanation:
I think because their parallel to eachother
An 11-m tall building casts a shadow. The distance from the top of the building to the tip of the shadow is 14 m. Find the length of the shadow. If necessary,
round your answer to the nearest tenth.
14
11
?
Answers
Answer:
8.66 m
Step-by-step explanation:
Given that,
The distance from the top of the building to the tip of the shadow is 14 m
The height of the building is 11 m.
We need to find the length of the shadow. we can see that the length of the shadow forms the base of the triangle.
The distance from the top of the building to the tip of the shadow form hypotensue and height of the building forms perpendicular. So, we can use Pythagoras theorem to find the base.
So,
[tex]H^2=b^2+h^2\\\\b^2=H^2-h^2\\\\b=\sqrt{14^{2}-11^{2}}\\\\b=8.66\ m[/tex]
So, the length of the shadow is 8.66 m.
After 14 years, I shall be three times as old as I was 4 years ago. What is my present age?
Answers
Answer:
Present age = 13 years
Step-by-step explanation:
Let the present age be x years.
14 years after age = (x + 14) years
4 years ago age = (x - 4)
According to the given information:
14 years after age = 3 times 4 years ago age
x + 14 = 3(x - 4)
x + 14 = 3x - 12
14 + 12 = 3x - x
26 = 2x
x = 26/2
x = 13 years
Thus, the present age is 13 years
Pls answer both parts clearly and fast thxs❤️
Answers
Answer:
part 1 is $27.72
part 2 is $33.88
Step-by-step explanation:
part 1
8% + 25%= 33%
-----
100
33x84 divided by 100= $27.72
part 2
11x56 divided by 100x5.50=33.88
hope this helps!
You are running the concession stand at a volleyball game, selling hot dogs and cans of pop. Each hot dog costs $1.50 and each soda costs $0.50. At the end of the night you have made exactly $78.50. You know that you have sold exactly 87 items, but cannot remember how many of each. That mean PTA lady will never let you work the concession stand again if you don’t report the correct number of each item sold! How many of each did you sell?
Answers
Answer:
Hot Dogs: 35
Soda: 52
Step-by-step explanation:
35 hot dogs + 52 sodas is 87 items.
35 x $1.50 = $52.50
52 x $0.50 = $26.00
$52.50 + $26.00 = $78.50
5(-2k-3)+2k5(−2k−3)+2k5, left parenthesis, minus, 2, k, minus, 3, right parenthesis, plus, 2, k equals
Answers
Answer:
[tex]5(-2k-3)+2k= -8k - 15[/tex]
Step-by-step explanation:
Given
[tex]5(-2k-3)+2k[/tex]
Required
Determine equivalent expression
[tex]5(-2k-3)+2k[/tex]
Start by opening the bracket
[tex]-5*2k-5*3+2k[/tex]
[tex]-10k-15+2k[/tex]
Collect Like Terms
[tex]2k-10k-15[/tex]
Evaluate like terms
[tex]-8k - 15[/tex]
Hence:
[tex]5(-2k-3)+2k= -8k - 15[/tex]
On a recent day, 8 euros were worth $9 and 40 euros were worth $45. Enter an equation of the form y = kx to show the relationship between the number of euros and the value in dollars. Let y be the value In dollars and x be the number of euros. The equation is y =
Answers
Answer: y = 1.125x
Step-by-step explanation:
Divide the amount in dollars by the number of euros.
9/8 = 1.125
45/40 = 1.125
Since the constant change is 1.125, the input the 1.125 into the formula y=kx for k to get the equation y = 1.125x
Please help me with this!!!
Answers
Answer:
a-12
d-16
Step-by-step explanation:
sorry gawa gawa kolang yan ehh
Susan wants to buy containers of paint for herself and each of her 7 friends. What is the least amount of money Susan will need?
Answers
Answer:
The last one $21.76
Step-by-step explanation:
First you look at the chart and see that a container of paint is $2.72 next you multiply 2.72 by 8 not 7 because Susan AND her seven friends and get $21.76.
Answer:
$21.76
Step-by-step explanation:
thnk me later
Sarah rolled two 6-sided number cubes. Find the probability that the sum of the numbers is equal to 12.
Answers
Answer:
1/36
Step-by-step explanation:
trust me I took the practice test with the same question and got it incorrect, I look over the practice test and learned the correct answer was 1/36
basically 6x6 (two dice)= 36
Sarah is decorating her house for Christmas with lights. She wants to surround a circular window with special LED lights that makes a pattern. The window has a diameter of 18 inches. How long must the the string of lights be in order to surround the entire window?
Answers
Answer:
56.57 inches
Step-by-step explanation:
If Sarah wants to surround her circular window, she wants to cover the circumference of the window
The formula for calculating circumference of a circle = Dπ = 18 x 22/7 = 56.57 inches
The graph shows the relationship between time and the number of soda bottles a machine can make. Use the points (5,80) and (8128) to find the number of soda bottles the machine can make each minute
Answers
Answer:
16
Step-by-step explanation:
not sure if you still need the answer since its been two weeks but 80 divide 5 you get 16 and 128 divide 8 you get 16.
Two friends shop for fresh fruit. Jackson buys a watermelon for $6.45 and 4 pounds of cherries. Tim buys a pineapple for $4.25 and 3 pounds of cherries. Use the variable p to represent how much more Jackson spent.
Answers
You just bought a used car and are determining your monthly costs. Your monthly
car payment will be $252. Your car insurance costs $684 every 6 months.
15. Write a verbal model for the monthly
car expenses.
Answers
Answer:
366$ per month
Step-by-step explanation:
To get the answer you know that you are paying 252 evey month for the car payment and 684 every 6 month so yo take the 684 and divide it by 6 to get how much you pay each month and add it to the 252 and that's your answer of 366$
Please help?..........
Answers
C thank me later
:))
How many wreaths could Diego make with the available ribbon
Answers
Answer:
9
Step-by-step explanation:
8. A square has side length 6 inches. A parallelogram has a base of 6 inches.
The area of the square is equal to the area of the parallelogram. What is the
height of the parallelogram?
Answers
Answer:
6?
Step-by-step explanation:
umm. maybe im wrong but 6 x 6 is thirty six so im pretty sure its 6.