t takes 12 hours for half of the He in a container to leak out. If the same container is refilled with Ne, how long will it take for half of the Ne to leak out
The time taken by the Ne to come out of the container will be 26.83 hours
What will be the time?Here it is given in the question that it takes 12 hours for half of the He in a container to leak out If the same container is refilled with Ne then time taken by the Ne gas to leak will be calculated from the formula
[tex]\dfrac{V_{He}}{t_{He}}\times \dfrac{t_{Ne}}{V_{Ne}}=\sqrt\dfrac{M_{Ne}}{M_{He}}[/tex]
Since the volume of both the gases will be same so
[tex]V_{He}=V_{Ne}[/tex]
[tex]\dfrac{t_{Ne}}{t_{He}}=\sqrt5[/tex]
[tex]t_{Ne}=12\times \sqrt5[/tex]
[tex]t_{Ne}=12\times 2.236[/tex]
[tex]t_{Ne}=26.83\ hours[/tex]
Hence the time taken by the Ne to come out of the container will be 26.83 hours
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Which expression matches the verbal description below?
three subtracted from the quotient of thirty and six
O A.30 - (3:6)
O B.30 : 6-3
O C. (30-3)-4
O D.30: (6-3)
Answer:
Quotient = division of one number by another
[tex]\implies \textsf{quotient of 30 and 6} = \sf \dfrac{30}{6}[/tex]
[tex]\implies \textsf{3 subtracted from } \sf \dfrac{30}{6}=\dfrac{30}{6}-3[/tex]
The quotient of 30 and 6 can also be written as the ratio 30 : 6
Therefore, the solution is (30:6) - 3
Let's see
Quotient means division
30/6Three subtracted means
30/6-3Convert to ratio
30:6-3Option B
If x is an even integer greater than 3, then, in terms of
what is the next greatest even integer?
A. X^2
B. 2x
C. X+3
D. X+2
Answer:
x^2
Step-by-step explanation:
Any even number raised to two is even.
Eg: 4^2 = 16
12^2 = 144
Etc...
And
Any odd number raised to two is odd.
Eg: 5^2 = 25
13^2 = 169
Etc...
And also x^2 is greater than 2x & x+3 & x+2
Line p goes through the origin and contains the point (-2,-5). Which
equation represents line p?
[tex]\stackrel{origin}{(\stackrel{x_1}{0}~,~\stackrel{y_1}{0})}\qquad (\stackrel{x_2}{-2}~,~\stackrel{y_2}{-5}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-5}-\stackrel{y1}{0}}}{\underset{run} {\underset{x_2}{-2}-\underset{x_1}{0}}}\implies \cfrac{-5}{-2}\implies \cfrac{5}{2}[/tex]
[tex]\begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{0}=\stackrel{m}{\cfrac{5}{2}}(x-\stackrel{x_1}{0})\implies y=\cfrac{5}{2}x[/tex]
What is the equation to find the Surface Area for a Cone?
Answer:
A=πr(r+h2+r2)
Step-by-step explanation:
literally just search it up
a regular hexagon prism has a volume of of 2546.13cm³ and the base has an edge length of 14cm. what are the height and surface area of the prism?
Answer:
Solution is attached :)
80 PTS!!Two vertices of a right triangle have coordinates (6,-2) and (1,6).
Select EACH ordered pair that could be the coordinates of the third vertex.
[](1,1)
[](6,6)
[](-2,1)
[](1,-2)
Answer:
(6, 6) and (1, -2)Step-by-step explanation:
Let the given points represent the vertices of the hypotenuse.
Then the parallel lines to each coordinate axis will have intersection at other vertices.
The vertices will be the combination of (x₁, y₂) or (x₂, y₁) of the given ordered pairs:
(6, 6) and (1, -2)See the attached to be more clear.
Find an exponential function of the form y = ab* that passes through the points (0,4)
and (2, 100).
Oy=5-4x
Oy=4.5*
Oy-4-2*+84
Oy-25-2x
Answer:
2nd option
Step-by-step explanation:
given an exponential function in the form y = a[tex]b^{x}[/tex]
to find a and b use the coordinate points it passes through
using (0, 4 ) , then
4 = a[tex]b^{0}[/tex] [ [tex]b^{0}[/tex] = 1 ] , that is
a = 4 , so
y = 4[tex]b^{x}[/tex]
using (2, 100 )
100 = 4b² ( divide both sides by 4 )
25 = b² ( take the square root of both sides )
[tex]\sqrt{25}[/tex] = b , that is
b = 5
then exponential function is
y = 4 . [tex]5^{x}[/tex]
Every time Carrie bakes a batch of brownies, she uses 18
cup of chocolate. If she has 12
cup(s) of chocolate remaining, how many batches of brownies can Carrie make?
Can someone please help me with this ty!!
What is the area of the tennis court?
Answer:
Length of Service box: 21ft /6.4m . Width of service box:13.5ft/4.1m I
Anyone can answer this ?
Answer:
NOT nets = A, C, D, F
Nets = B, E, G, H
Figure B (Triangular prism)
SA: 3 rectangles + 2 triangles
Rectangles: (20·8) + (20·10) + (20·6) = 480 ft²
Triangles: (8·6)/2 + (8·6)/2 = 48 ft²
Total SA: 528 ft²
Figure E (Square pyramid)
SA: 1 square + 4 triangles
Square: 10·10 = 100 yd²
Triangles: (12·10)/2 + (12·10)/2 + (12·10)/2 + (12·10)/2 = 240 yd²
Total SA: 340 yd²
Figure G (Rectangular prism)
SA = 2 wide rectangles + 4 narrow rectangles
Wide: (7·11) + (7·11) = 154 cm²
Narrow: (2·7) + (2·7) + (11·3) + (11·3) = 94 cm²
Total SA: 248 cm²
Figure H (Cube)
SA = 6 squares
Squares: 6 x (1·1) = 6 m²
Total SA: 6 m²
I hope this helps and God bless!
i don’t know how to do this, anyone know how. please help
Answer:
Step-by-step explanation:
What is the value of
5+5+6+6+7+7+8+8= *2
Answer:
108
Step-by-step explanation:
Answer:
52 or 104
Step-by-step explanation:
Classify the triangle by its sides and angles
5.5in
5.5in
1.5in
Answer:
That would be an isosceles triangle.
Step-by-step explanation:
Isosceles triangles have two sides the same length and one side a different length. I hope this helps! :)
Answer:
Isosceles Triangle
Step-by-step explanation:
A triangle having two sides of equal length is an isosceles triangle.
It's two sides are equal which are 5.5 in , 5.5 in and the third one is not equal 1.5 in
Can I have help on this?
Answer:
—4.5 and 0
Step-by-step explanation:
when x=—4.5 and x=0 y is included in the domain.
12 pennies 9 nickels 23 dimes and 16 quarters
Answer:$6.87
Step-by-step explanation:
if you add them up you end up wit $6.87
The smaller of two regular hexagons has a perimeter of 15 m and an area of 36 m². The area of the
larger is 100 m². What is the perimeter of the larger hexagon?
Answer:
40
Step-by-step explanation:
To find the perimeter of the hexagon, we multiply the square root of the area by 4.
The square root of 100 is 10.
10x4=40
I need answer please
Answer:
A.
Step-by-step explanation:
RST is in the wrong position for it to be congruent.
Regular decagon with apothem = 10m
Answer:
What is the question? There is No question to answer
What 6x squared divided by x is
Answer:
[tex]6x[/tex]
Step-by-step explanation:
Hey there!
In order to solve this problem, you need to first simplify the equation by splitting [tex]6x^2[/tex]
After splitting:
[tex]\frac{6*x*x}{x}[/tex]
Now, we can cross out two of the x values
[tex]\frac{6*x}{1}[/tex]
This is also seen as
[tex]6*x[/tex]
Which simplified is our answer
So the fraction [tex]\frac{6x^2}{x}[/tex] can be re-written or solved as, [tex]6x[/tex]
Answer:
[tex]\frac{6x^{2}}{x} =6x[/tex]
Step-by-step explanation:
[tex]x\neq 0\\\\\frac{6x^{2}}{x} =\frac{6\times x\times x}{x} =6x \ \ \ \ (x \ can \ be \ cancelled \ out)[/tex]
Example :
[tex]\frac{6\times 3^{2}}{3} =\frac{6\times 9}{3} =\frac{54}{3} =18[/tex]
[tex]\frac{6\times 3^{2}}{3} =\frac{6\times 3\times 3}{3} =6\times3=18[/tex]
Mathieu is finding the x-intercepts of the function f(x) = x2 4x 3. his work is shown below. 0 = x2 4x 3 0 = (x 3)(x 1) x 3 = x 1 x = x – 2 0 = –2 there are no x-intercepts. which error did mathieu make? he factored incorrectly. he did not use the constant as the x-intercept. he set the factored expressions equal to each other. he incorrectly solved the equation x 3 = x 1.
He set the factored expressions equal to each other. instead of setting them equal to zero
What are quadratic equations?The name Quadratic comes from "quad" meaning square because the variable gets squared (like x2). It is also called an "Equation of Degree 2
The given solution of the quadratic equation in the question is
[tex]f(x) = x^2 + 4x + 3.[/tex]
His work is shown below.
[tex]0 = x^2 + 4x + 3[/tex]
[tex]0 = (x + 3)(x + 1)[/tex]
Here is where we use the zero product property
x+3 = 0 x+1 =0 We do not set them equal to each other
Hence He set the factored expressions equal to each other. instead of setting them equal to zero
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Answer:
The Answer is c
Step-by-step explanation:
Did it on edge
if t(x)=3-2x and g(x)=1/x+5, what is the value of (f/g)(8)
Step-by-step explanation:
I'll assume you meant f(x) = 3 - 2x and not t(x) = 3 - 2x
[tex] \frac{3 - 2x}{ \frac{1}{x + 5} } \times 8[/tex]
[tex]((3 - 2x) \times ( \frac{x + 5}{1} )) \times 8[/tex]
[tex]((3 - 2x)(x + 5)) \times 8[/tex]
[tex]( - 2 {x}^{2} - 7x + 15) \times 8[/tex]
[tex]( \frac{f}{g}) \times 8 = - 16 {x}^{2} - 56x + 120[/tex]
A scientist is studying the effectiveness of 2 different antibiotics on the same strain of bacteria. He uses the same dose of each antibiotic and starts with the same initial bacteria count, in billions, in each petri dish. His results are shown in the tables below. Let x represent the time in hours.
Part A: What is the initial number of bacteria in each petri dish? Explain your answer.
Part B: What is the decay rate for each antibiotic? Explain your answer.
Part C: How many bacteria will be left in each petri dish after the time has reached 8 hours? Round to the nearest thousandth. Show your work.
Answer:
0.37 billion
Step-by-step explanation:
.
What is a trinomial in math
Answer:
an elementary algebra, a trinomial is a polynomial consisting of three terms or monomials.
Step-by-step explanation:
Please help me thank you!!!!!!!!!!!!!!!!!
Probably the answer:
Probably A. but I didn't read it and I just wanted to say this...
table of value for y=2x^2+x
Answer:
values of x and y is (4, -2), (0, 0) and (2, 10)
Step-by-step explanation:
[tex] - 5 = > 45 \\ - 4 = > 28 \\ - 3 = > 15 \\ - 2 = > 6 \\ - 1 = > 1 \\ 0 = > 0 \\ 1 = > 3 \\ 2 = > 10 \\ 3 = > 21[/tex]
JO. Jeff buys 3 boxes of cereal for $2. 99 each a gallon of
mik for $4. 98 and 4 bananas for $0. 50 each. If has a 20% off his
Total bill coupon and he pays with a $20. 00 bil, how much change
will he get back?
Answer:
people got rock to sell the house and I'm going to fly to the land of the block trained me like a dojo now I'm better than yb and I will be there in about it dirk can you ask mom to get
Nate is 10 9/12 years old.How old will he be in 2 5/12 more years?
Answer:
13 1/6 years old
Step-by-step explanation:
10 9/12 + 2 5/12 = 12 14/12 simplifies to 13 2/12 or 13 1/6
22. Peter makes $10.00 per hour as a server. The
restaurant also gives him 15% of his wages as a bonus
For good service. He makes for good service he works 40 hours this week .what are his total earnings for the week
A) $46:00
B)460.00
C) $600.00
D)60.00
Answer:
B) $460.00
Step-by-step explanation: I've got big brain