since you know Lainey has 20 markers and the total cost is $6, all you have to do is solve 20/6 to find the cost of each marker. So, the answer would be about $2.33 dollars, since 20/6 would equal $2.333333333... and I just rounded it up. Hope I helped you! Good luck (:
HELP! PUUUUUHLEEAAAAAASE!
B. (x+5)^3+4
If you graph all the equations you can match and see the differences.
Identify the function type in the graph, and then describe a relationship that could be modeled by the function represented by the graph.
The function in this graph is to figure out the incline of something. The incline is very fast it goes from 0.8 and then stays gradually steady! then it shoot on up to 2! (or 0.2) hope you get 100!
Answer:
It is a decreasing function.
Step-by-step explanation:
Since as the numbers in X-axis is increasing the value of Y-axis get decreased, also this decrement is very little slow, thus the function type in the graph is slowly decreasing function and it touches the x-axis at the end. The graph touches the X-axis when it tends to come at (1,0).
Divide. 2/5÷5/6 Express your answer in simplest form. Enter your answer in the box.
Answer:
2/5÷5/6=12/25 I hope this helps! ;)
Step-by-step explanation:
First you'd flip the second fraction, in this case we'd flip 5/6 and make it 6/5. Then we just multiply the two fractions. 2×6=12 and 5×5=25. Your anwer is 12/25.
The value of 2/5÷5/6 will be 12/25 by division.
What is the arithmetic operator?Arithmetic operators are four basic mathematical operations in which summation, subtraction, division, and multiplication involve.,
Summation = addition of two or more numbers or variable
For example = 2 + 8 + 9
Subtraction = Minus of any two or more numbers with each other called subtraction.
For example = 4 - 8
Division = divide any two numbers or variable called division.
For example 4/8
Multiplication = to multiply any two or more numbers or variables called multiplication.
For example 5 × 7.
Given the division,
2/5÷5/6 = (2/5) / (5/6)
If we divide two fractions then the bottom fraction will go on multiplication by the inverse.
So,
(2/5) / (5/6) = (2/5) × (6/5)
⇒ 12/25
Hence "The value of 2/5÷5/6 will be 12/25 by division".
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The express elevator in a skyscraper goes up 51 floors in 12¾ seconds. How many floors does the elevator go in 2 seconds? A. 8½ B. 4 C. 8 D. 5
the answer is A. 8 1/2, hope this helps
The elevator goes 51 floors in 12¾ seconds for a rate of 4 floors per second. By multiplying this rate by 2 seconds, we find the elevator goes up 8 floors in that duration. Therefore, the answer is C. 8.
Explanation:This question is a simple problem of ratios. The elevator goes up 51 floors in 12¾ seconds, which is the same as 51/12.75 floors per second. To find out how many floors it goes in 2 seconds, we simply multiply this rate by 2.
Here's the step-by-step process:
First, we turn the mixed number 12¾ into an improper fraction. This gives us 51 seconds divided by 51/4 seconds.We then simplify this to get a rate of 4 floors per second.Finally, we multiply this rate by 2 seconds to get 8 floors.So, the elevator goes up 8 floors in 2 seconds. Therefore the answer is C. 8.
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the density of aluminum is 2.70g/cm3 what is the volume of a 612 g piece of aluminum
We can see here that the volume of the 612 g piece of aluminum is approximately 226.67 cm³.
What is density?Density is a physical property of matter that measures how much mass is contained in a given volume of a substance. In other words, it quantifies how closely packed the particles (atoms, molecules, or ions) are within a material. Density is typically expressed in units such as grams per cubic centimeter (g/cm³) in the metric system or pounds per cubic inch (lb/in³) in the imperial system.
To find the volume of a 612 g piece of aluminum, you can use the formula for density:
Density = Mass/Volume
You have the density (2.70 g/cm³) and the mass (612 g), and you want to find the volume. Rearrange the formula to solve for volume:
Volume = Mass/Density
Inputting the values:
Volume = 612g/2.70g/cm³
Calculate the volume:
Volume = 612/2.70
Volume ≈ 226.67cm³
So, the volume of the 612 g piece of aluminum is approximately 226.67 cm³.
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Solve 2/3-4x+7/2=-9x+5/6
A.x=-3/2
B.x=-2/3
C.x=2/3
D.x=3/2
HELP! multiply k + 3/4k - 2 • (12k^2 - 3)
[tex]\dfrac{k+3}{4k-2}\cdot(12k^2-3)=\dfrac{(k+3)(12k^2-3)}{(2)(2k)-(2)(1)}\\\\=\dfrac{(k+3)[(3)(4k^2)-(3)(1)]}{2(2k-1)}=\dfrac{(k+3)(3)(4k^2-1)}{2(2k-1)}\\\\=\dfrac{3(k+3)[(2k)^2-1^2]}{2(2k-1)}=\dfrac{3(k+3)(2k-1)(2k+1)}{2(2k-1)}=\dfrac{3(k+3)(2k+1)}{2}[/tex]
[tex]\text{Used}\\\\a(b\pm c)=ab\pm ac\\\\a^2-b^2=(a-b)(a+b)[/tex]
write a real-world problem that can be modeled by the inequality 10x > 5.5x + 31.5
Kim and Jane invested the same amount in two different types of investment plans.
After a certain period, Kim earned 10 times of what he invested and Jane earned $31.5 more than 5.5 times of the money she invested.
If Kim's earning is more than Jane's earning, find the minimum amount they invested at the beginning.
Let x be the money they invested at the beginning.
So, after a certain period,
Kim's earnings = 10x and
Jane's earnings = 5.5x + 31.5
Since Kim earned more than Jane,
10x > 5.5x + 31.5.
The inequality 10x > 5.5x + 31.5 can represent a scenario comparing two job offers, where one job's pay rate surpasses the other after working more than 7 hours.
A real-world problem that can be modeled by the inequality 10x > 5.5x + 31.5 could involve a scenario where you are comparing two different job offers. Assume one job offers a flat salary of $10 per hour (represented by 10x, where x is the number of hours worked), while the other job offers a base salary of $5.50 per hour plus a weekly bonus of $31.5 (represented by 5.5x + 31.5).
The inequality is asking for the number of hours (x) you must work in order for the flat salary job to pay more than the other job. To find this, you would subtract 5.5x from both sides to get the inequality 4.5x > 31.5. Dividing both sides by 4.5, you find that x must be greater than 7. Therefore, you would need to work more than 7 hours for the flat salary job to be the better choice.
Consider the polynomial 16x2 - 1 what is the value of ac what is the value of b
the answer is
-16
0
-4and4
(4x-1)(4x+1)
Answer:
ac= -16
b=0
[tex](4x+1)(4x-1)[/tex]
Step-by-step explanation:
[tex]16x^2 -1[/tex]
WE write the given polynomial in standard form ax^2 + bx+c
there is no x term so we include 0x
the given expression becomes
[tex]16x^2+0x-1[/tex]
The value of a= 16 , b= 0 and c=-1
[tex]ac= a*c = 16 * (-1) = -16[/tex]
The value of b = 0
Two number to multiply to get ac = -16 are 4 and -4
When we add two numbers we will get
-4 + 4= 0
using factors -4 and 4 , the expression becomes
[tex]16x^2-4x+4x-1[/tex]
[tex](16x^2-4x)+(4x-1)[/tex]
Factor out GCF
[tex]4x(4x-1)+1(4x-1)[/tex]
[tex](4x+1)(4x-1)[/tex] is the factored form
what does 9x-4= -3x-8
Your answer is
x + - 1/3
9x-4= -3x-8
Move term -3x to left side
9x+3x-4=-8
Add 9x to 3x
12x-4=-8
Add 4 both sides
12x=-8+4
Subtract -8 from 4
12x= -4
Divide both sides by 12
12x/12=-4/12
Solve
X=- 1/3
Solve 18n-7p-15n=5p for n
The solution to the given equation 18n - 7p - 15n = 5p for n is n = 4p. Thus, the option D is correct.
The equation is given as follows:
18n - 7p - 15n = 5p
Combine like terms by subtracting 15n from 18n:
(18n - 15n) - 7p = 5p
3n - 7p = 5p
Move the term containing n to the other side of the equation by adding 7p to both sides:
3n - 7p + 7p = 5p + 7p
3n = 12p
Solve for n by dividing both sides of the equation by 3:
(3n)/3 = (12p)/3
n = 4p
Therefore, the solution to the equation 18n - 7p - 15n = 5p for n is n = 4p.
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what is the reciprocal of 3 3/7
It would be A since when you multiply 7 by 3 it's 21 and add 3 it gives you 24/7 but then you have to flip it so it's the first one.
How much does the CEO earns?
p = number of items sold (note: this is not the profit)
1 item sells for $855, so p items sell for 855p dollars
Subtract off the cost of 6780 and we have the expression 855p-6780 which is the profit for that given month.
Now plug in p = 250 because 250 items were sold in that given month
855*p - 6780 = 855*250 - 6780 = 206,970
The company earns $206,970 in profit for that month. Apply 15% to this value
15% of 206,970 = (15/100)*206,970 = 0.15*206,970 = 31,045.50
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Answer: $31,045.50 which is choice C
What is equal to 7 1/3
Mia jogs 3 km in 20 minutes there are about 0.6 miles in a kilometer what is Mia’s approximate speed in miles per minute
Answer:
4.8 MILES
Step-by-step explanation:
To get the answer you change kilometres to miles by multiplying 3 by 0.6
The answer is 4.8 miles.
HOPE IT HELPED
Answer:
4.8
Step-by-step explanation:
...
please help!! 20 POINTS
Cristoble used synthetic division to divide the polynomial f(x) by x + 3
What is the value of f(-3)
f(-3) would be 36.
When looking at synthetic division, the numbers across the top represent the coefficients of x^2, x and the constant in that order. Therefore, the equation is as follows.
2x^2 - 5x + 3
Now we can put -3 into the equation and solve.
2(-3)^2 - 5(-3) + 3
2(9) + 15 + 3
18 + 15 + 3
36
I'll make you the branliest if you answer this question correctly
Every hour, the number of liters decreases by 0.5 liter.
It takes 0.5 hour for the water to decrease by one liter. You can also tell because the line is going down showing that it is decreasing or you can subtract the X-axis
2 - 1.5 which equals 0.5.
What is the direct variation equation for the table of ordered pairs?
X Y
20 24
30 36
40 48
The equation for the direct variation is y = 1.2x
In order to find this, we start with the base for any direct variation equation.
y = kx.
Now we use the ordered pairs to find the value of k to model the equation.
y = kx
24 = k(20)
1.2 = k
Now that we know this, we can model the equation as y = 1.2x and test for the other values --- each of which work in the newly written equation.
Answer:
its actually 0.8x
Step-by-step explanation:
im saying this for future people
Water is poured into a conical paper cup at the rate of 3/2 in^3/sec. If the cup is 6 inches tall and the top has a radius of 3 inches, how fast is the water level rising when the water is 2 inches deep?
THE ANSWER IS IN A RED BOX BELOW
How do i write 4x-2y=12 in function notation
Question 42 Unsaved
Find the least common multiple of x3 - x2 + x - 1 and x2 - 1. Write the answer in factored form.
Question 42 options:
(x3 - x2 + x - 1)(x2 - 1)
(x + 1)(x - 1)(x2 + 1)
(x + 1)(x - 1)(x2 - 1)
(x + 1)2(x - 1)
[tex]x^3-x^2+x-1=x^2(x-1)+1(x-1)=\boxed{(x-1)}(x^2+1)\\\\x^2-1=x^2-1^2=\boxed{(x-1)}(x+1)\\\\LCM=\boxed{(x-1)}(x^2+1)(x+1)[/tex]
[tex]Answer:\ (x+1)(x-1)(x^2+1)[/tex]
Given the midpoint (1.5,1.5) and the endpoint (5,7) where is the other endpoint located
The formula of a midpoint:
[tex]M_{AB}\left(\dfrac{x_A+x_B}{2},\ \dfrac{y_A+y_B}{2}\right)[/tex]
We have:
[tex]M(1.5,\ 1.5)\to x_M=1.5,\ y_M=1.5\\A(5,\ 7)\to x_A=5,\ y_A=7[/tex]
Substitute
[tex]\dfrac{5+x_B}{2}=1.5\qquad|\cdot2\\\\5+x_B=3\qquad|-5\\\\x_B=-2\\\\\dfrac{7+y_B}{2}=1.5\qquad|\cdot2\\\\7+y_B=3\qquad|-7\\\\y_B=-4[/tex]
Answer: (-2, -4)Yesterday, The tempature at noon was 11.4. By midnight, the temperature had decreased by 15.7 degrees. The temperature then decreased 1.2 decrease each hour from midnight to 2am. What was the temperature at 2 am
the temp at 2 am is -6.7 degrees
Can anyone help me? I’m stuck
Angle A and Angle BCA are corresponding angles and equal.
Angle x and Angle BCA are VERTICAL angles and equal.
Therefore Angle A = Angle BCA = Angle x = 62 degrees.
the average child will wear down 739 crayons by his or her 10th birthday find the number of boxes of 64 crayons this is equivalent to round to the nearest tenth
739/64 = 11.546 then round it off
How do you write 0.253 in two other forms?
Expanded form
0.200 + 0.050 + 0.003
Standard (word) form
zero and two hundred fifty three
hope that helps :)
253/1000 and 253% is the answer to your question :)
What could be a appropriate title for this graph ? Please help me !!!!
Alan already baked five cakes and he can bake one cake with each additional stick of butter he buys with 10 additional sticks of butter how many total cakes can hour to bake
There are 75 students in grade 3. There are 44 more students in grade 4 than in grade 3. How many students are in grade 4?
There is 119 students. The key words are 'more than'. You add 75 plus 45 to get 119
If there are 75 students in grade 3. There are 44 more students in grade 4 than in grade 3. Then 119 students are in grade 4.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given,
There are 75 students in grade 3
There are 44 more students in grade 4 than in grade 3.
It means grade 4 has seventy five plus 44 students
Grade 3=75
Seventy five plus forty four.
Grade 4=75+44
Seventy five plus forty four is one hundred ninteen.
=119
Hence if there are 75 students in grade 3. There are 44 more students in grade 4 than in grade 3. Then 119 students are in grade 4.
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Jamina drove for 2 hours at an average speed of 40km/h. She then drove for 3 hours at an average speed of 50km/h. What was her average speed for the whole journey?
Remark
Average Speed = Total distance divided by total time.
Total Time
2 hours + 3 hours = 5 hours. The total time is 5 hours.
Total Distance
d = rate * time
d1 = 40 km/hour * 2 hours = 80 km
d2 = 50 km/hour * 3 hours = 150 km
d = d1 + d2
d = 80 + 150 = 230 km
Average Speed
Av = Total distance / Total Time = 230 / 5 = 46 km/hr