The batting Wang Xiu Ying uses to fill quilts has a thermal conductivity rate of 0.030.030, point, 03 watts (\text{W})(W)left parenthesis, start text, W, end text, right parenthesis per meter (\text{m})(m)left parenthesis, start text, m, end text, right parenthesis per degree Celsius (^\circ\text{C})( ∘ C)left parenthesis, degrees, start text, C, end text, right parenthesis.
Answers
Answer:
Step-by-step explanation:
The question is incomplete. Here is the complete question.
the batting wang xiu ying uses to fill quilts has a thermal conductivity rate of 0.03 watts (W) per meter(m) per degree celsius. what is the batting thermal conductivity when w/cm•c
Given
K = 0.03W/m°C
Required
Convert K to W/cm°C
Since 1m = 100cm,
K = 0.03w/1×100cm°C
K = 3×10^-2w/10² cm°C
K = 3 × 10^-2w/10² cm°C
K = 3w× 10^{-2-2}cm°C
K = 3w×10^-4cm°C
K = 0.0003w/cm°C
Answer:
0.0003
Step-by-step explanation:
DID IT ON KHAN
and Since 1m = 100cm,
K = 0.03w/1×100cm°C
K = 3×10^-2w/10² cm°C
K = 3 × 10^-2w/10² cm°C
K = 3w× 10^{-2-2}cm°C
K = 3w×10^-4cm°C
K = 0.0003w/cm°C
Related Questions
Which number line represents the solution of 1/2 b ≥ 4 ?
Answers
Answer:
Answer D
Step-by-step explanation:
Solve for b:
\(\frac{1}{2}b \geq 4\)
Divide both sides by a half
\(b\geq 8\)
We see that its a greater than or equal too sign, which means the number line has to be facing to the right with a closed circle. Therefore, D is our answer.
how many hands of three cards dealt from a standard deck contains cards from only one suit?
Answers
There are 1144 hands of three cards dealt from a standard deck that contains cards from only one suit.
To calculate the number of hands of three cards dealt from a standard deck that contains cards from only one suit, we can use the following approach:
Choose one of the four suits - this can be done in 4 ways.
Choose three cards from the chosen suit - this can be done in (13 choose 3) ways.
As we have only one suit in our hand, we cannot choose any cards from the other three suits.
Therefore, the total number of hands of three cards that contain cards from only one suit is:
4 * (13 choose 3) = 4 * (286) = 1144
Hence, there are 1144 hands of three cards dealt from a standard deck that contains cards from only one suit.
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can you help me with my stem and leaf question?
Answers
Answer:
Step-by-step explanation:
Given data set is 3, 8, 12, 12, 14, 20, 21, 23, 26, 34.
So the stem and leaf set will be,
0 | 3 8
1 | 2 2 4
2 | 0 1 3 6
3 | 4
Key :
1 | 4 means 14
A hiker climbed up from the bottom of a mountain. His elevation increased at a rate of 40 feet each hour. Which equation models the change in his elevation at 3 hours.
O A.3(-40)=120
O B.(-3)(-40)=120
O C. 3•40=120
O D.3(-40)=120
Answers
Answer:
I believe it is C
Step-by-step explanation:
Answer:
Its C
Step-by-step explanation:
A-P-E-X
What is the value of the expression (3a-b)/(6(b+a) when a = 4 and b = -2?
Answers
Answer:
5/8 or 0.625
I hope this helped!
There are four activities on the critical path, and the standard deviations for their durations are 4, 11, 32, and 16 days. The standard deviation of the duration of the critical path is: a. 63 b. 37.64 c. 1417 d. 15.75 e. 7.937
Answers
The standard deviation of the duration of the critical path is approximately 37.64 (option b).
To calculate the standard deviation of the duration of the critical path, we need to use the formula for calculating the variance of a path in a project network.
The variance of a path in a project network is the sum of the variances of the activities on that path. The standard deviation is then the square root of the variance.
Given the standard deviations of the durations for the activities on the critical path: 4, 11, 32, and 16 days.
To calculate the variance of the critical path, we square each standard deviation and sum them up:
Variance of the critical path = (4²) + (11²) + (32²) + (16²)
= 16 + 121 + 1024 + 256
= 1417
The variance of the critical path is 1417.
To calculate the standard deviation, we take the square root of the variance:
Standard deviation of the critical path = √(1417)
≈ 37.64
Therefore, the standard deviation of the duration of the critical path is approximately 37.64. The correct answer is b) 37.64.
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write another name for < 5
Answers
Answer:
less than 5
x < 5
Use properties of operations to write two expressions that are equivalent
to 3/4n + (8 + 1/3z).
Answers
Answer:
(9z+96nz+4n)/12nz
Step-by-step explanation:
3/4n + 8+ 1/3z. distributive property
The required equivalent expression is [9z + 96nz + 4n] / 12nz and the property used is distributive property.
What is simplification?The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.
here,
= 3/4n + (8 + 1/3z)
Using the distributive property for the association,
= 3/4n + 8 / 1 + 1/3z
= [9z + 96nz + 4n] / 12nz
Thus, the required equivalent expression is [9z + 96nz + 4n] / 12nz, and the property used is the distributive property.
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The height of a triangle is 13 in. less than its base. If the area of the triangle is 24 in2, what is the length of the base? Responses 3 in. 3 in. 10 in. 10 in. 16 in. 16 in. 21 in.
Answers
The length of the base of the triangle is 16 in.
To find the length of the base of the triangle, we can use the formula for the area of a triangle:
Area = (base× height) / 2
Given:
Area = 24 in²
Height = Base - 13 in
Substituting these values into the formula, we get:
24 = (base × (base - 13)) / 2
To solve for the base, we can rearrange the equation and solve the resulting quadratic equation:
48 = base² - 13base
Rearranging further:
base² - 13base - 48 = 0
Now we can factor the quadratic equation:
(base - 16)(base + 3) = 0
Setting each factor equal to zero and solving for the base:
base - 16 = 0
base = 16
base + 3 = 0
base = -3 (not a valid solution for length)
Therefore, the length of the base of the triangle is 16 in.
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If f(x)=7+3x, find f^-1(x)
Answers
Step-by-step explanation:
y=7+3x
x=7+3y
3y=x-7
y^-1=(x-7)/3
Thereby, f^-1(x)= (x-7)/3
Evaluate 4+(m-n)^4 when m =7 and n = 5
Answers
Answer:
20.
Step-by-step explanation:
Plugging m = 7 and n = 5 into the given expression:
Answer = 4 + (7 - 5)^4
= 4 + 2^4
= 4 + 16
= 20.
y=(8/7)x
growth or decay?
Answers
Growth
Step-by-step explanation:
Answer:
Growth
Step-by-step explanation:
Increasing rate greater than 1. It would be decay if it was less than 1.
Can someone please help me. If you do thanks
Answers
Answer:
(B)
Step-by-step explanation:
Can't explain lol, but that's the answer
The strength, S, of a wooden beam depends on the width and depth of the rectangular cross-section of the beam, but not on the length of the beam. For a particular type of wood, the value of S of a beam is proportional to the product of the width and the square of the depth of its cross-section. Suppose the strength of an oak beam is 69 , when the beam is 7 inches wide and 3 inches deep. Determine the strength, S, of the largest rectangular beam that can be cut from a 28 -inch-diameter oak tree, given that the beam must be 14 inches wide. Remember y is proportional to x if there is a constant k such that y=kx. The constant k is known as the constant of proportionality. a) S=9016 b) S=2231 c) S=8232 d) S=392
Answers
The real root of the equation is x = 40 - 39√2, which gives a value of S = 2231 approximately.
Given,The strength, S, of a wooden beam depends on the width and depth of the rectangular cross-section of the beam, but not on the length of the beam.
For a particular type of wood, the value of S of a beam is proportional to the product of the width and the square of the depth of its cross-section.
The strength of an oak beam is 69, when the beam is 7 inches wide and 3 inches deep.Thus, we can conclude that k, a constant of proportionality exists, such that: S=k(W x D²), where W is the width, D is the depth of the rectangular cross-section and S is the strength of the beam.
Let's use this to calculate k: When the beam is 7 inches wide and 3 inches deep, S=69. Thus, we get:k = S/W x D²=69/(7 x 3²)=1.
Thus, the equation for S becomes:S = W x D²The radius of the oak tree is 28/2 = 14 inches and the beam must be 14 inches wide.
This implies that the rectangular cross-section of the beam must be square (or the largest rectangular cross-section is a square). Let the side of the square cross-section be x.
Thus, we can write:S = x²Diameter, d = 28 inches => radius, r = 14 inchesWe need to determine the depth of the beam. The depth of the beam is half the height of the cylindrical log from which the beam is cut. The cylindrical log has a diameter of 28 inches. The beam has a width of 14 inches.
The largest rectangular cross-section is a square with sides of length x. This cross-section can be obtained by cutting the log at a height of x/2 from its center.Since the diameter is 28 inches, the radius is 14 inches. The height at which the beam is cut is h = 14 - x/2.
Thus, the depth of the rectangular beam cut from the cylindrical log is given by: D = 2(h) = 2(14 - x/2) = 28 - x.Using the relationship S = W x D² with S = 69, W = 14 and k = 1, we can write:x² (28 - x)² = 69Simplifying the above equation,x⁴ - 56x³ + 784x² - 69 = 0.
Using polynomial long division, we get:(x² + 16x - 69)(x² - 40x + 1) = 0The real root of the equation is x = 40 - 39√2, which gives a value of S = 2231 approximately.Therefore, the answer is (b) S = 2231.
The strength, S, of a wooden beam depends on the width and depth of the rectangular cross-section of the beam, but not on the length of the beam. Let the side of the square cross-section be x. Thus, we can write:S = x²Diameter, d = 28 inches => radius, r = 14 inches. Using the relationship S = W x D² with S = 69, W = 14 and k = 1, we can write:x² (28 - x)² = 69.The real root of the equation is x = 40 - 39√2, which gives a value of S = 2231 approximately.
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if the demand curve shifts to the left, what happens to price and quantity?
Answers
Answer:
A lower price and quantity would result.
In the equation y=mx+b, the m is the slape and the b is the y-intercept. Write an equation with the slope 8 and the y-int erceept 3 .
Answers
The equation with a slope of 8 and a y-intercept of 3 is y = 8x + 3. To write an equation with a slope of 8 and a y-intercept of 3, we can substitute the values into the equation y = mx + b.
Given that the slope (m) is 8 and the y-intercept (b) is 3, the equation becomes: y = 8x + 3. In this equation, the variable y represents the dependent variable, x represents the independent variable, 8 represents the slope (the rate of change of y with respect to x), and 3 represents the y-intercept (the value of y when x is 0).
Therefore, the equation with a slope of 8 and a y-intercept of 3 is y = 8x + 3.
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what is the value of the product {3-2i][3+2i}
Answers
=9+6i-6i-4i^2
i^2=-1
=9-4(-1)
=9+4
=13
Hope this can help.
Answer:
13
Step-by-step explanation:
Step 1: Write out expression
(3 - 2i)(3 + 2i)
Step 2: FOIL
F - 9
O - 6i
I - -6i
L - -4i²
Step 3: Combine
9 + 6i - 6i - 4i²
Step 4: Combine like terms
9 - 4i²
Step 5: Simplify
i² = -1
9 - 4(-1)
9 + 4
13
Factor completely 81x^2 + 1
Answers
Answer:
not factorable
81x^2+1
Step-by-step explanation:
The rim of the volcanic crater shown below is a circle. The diameter is 840 m.
What is the circumference of the rim of the crater in kilometres (km)?
Give your answer to 1 d.p.
840 m
Not drawn accurately
Answers
Answer:
2.6 kilometers
Step-by-step explanation:
To find the circumference of a circle, we can use the formula:
Circumference = π * diameter
Given that the diameter of the volcanic crater is 840 meters, we can substitute this value into the formula:
Circumference = π * 840
Using the approximate value of π as 3.14159, we can calculate the circumference:
Circumference = 3.14159 * 840
Circumference ≈ 2643.1796 meters
To convert the circumference to kilometers, we divide the value by 1000:
Circumference in kilometers = 2643.1796 / 1000
Circumference ≈ 2.6432 kilometers
Therefore, the circumference of the rim of the volcanic crater is approximately 2.6 kilometers (rounded to 1 decimal place).
Marco needs to buy some cat food At the nearest store, 3 bags of cat food cost $16.50. How muc
would Marco spend on 5 bags of cat food?
Answers
The percentage of measurements that are above the 39th percentile is.
Answers
The percentage of measurements that are above the 39th percentile is 61%.
To calculate the percentage of measurements above the 39th percentile, we need to find the complement of the percentile value. The 39th percentile represents the value below which 39% of the measurements fall. Therefore, the complement of the 39th percentile is the percentage of measurements above that value. Since the total percentage adds up to 100%, subtracting 39% from 100% gives us the percentage of measurements above the 39th percentile, which is 61%.
In summary, the percentage of measurements that are above the 39th percentile is 61%. This means that 61% of the measurements are higher than the value corresponding to the 39th percentile.
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What is the percentage of measurements that fall above the 39th percentile?
What is the surface area of this triangular pyramid?
8 in
8 in
8 in
5 in
6.9 in
square inches
pls help out
Answers
Answer:
Step-by-step explanation:
Hence, the surface area of a triangular pyramid is 140 square units.
Tai went to a shopping mall. He spent $25.75 on a shirt, $15.49 on a hat, and $9.95 on a poster, before tax. Tax
was 8.25% on all purchases. What was the total cost of Tai's purchases, including tax?
Answers
Answer: 39.98$
Hope it helped it took me like 10 minutes <3
-x/5-8=12
Show work
And check
Answers
Answer:
\(\huge\boxed{\sf x = -100}\)
Step-by-step explanation:
Given equation:\(\displaystyle -\frac{x}{5} -8=12\\\\Add \ 8 \ to \ both \ sides\\\\-\frac{x}{5} = 12+ 8\\\\-\frac{x}{5} = 20\\\\Multiply \ both\ sides \ by \ 5\\\\-x = 20 \times 5\\\\-x = 100\\\\Multiply\ both \ sides \ by\ -1\\\\x = -100\\\\\rule[225]{225}{2}\)
Which expression is equivalent to ½ sin 2 theta for all values of theta
Answers
Given:
Given the expression
\(\frac{1}{2}\sin2\theta\)Required: An equivalent expression
Explanation:
Use the formula
\(\sin2\theta=2\sin\theta\cos\theta\)Dividing by 2 on both sides gives
\(\begin{gathered} \frac{1}{2}\sin2\theta=\frac{1}{2}(2\sin\theta\cos\theta) \\ =\sin\theta\cos\theta \end{gathered}\)Option D is correct.
Final Answer: An equivalent expression of
\(\frac{1}{2}\sin2\theta\)is
\(\cos\theta\sin\theta\)a bag contains 9 blue marbles and 1 green marble. what is the probability of drawing a blue marble (no replacement) followed by a green marble?
Answers
The probability of drawing a blue marble (no replacement) followed by a green marble is 2/207
Total marbles: 2 + 9 + 18 + 10 + 7 = 46
In the first scenario, the likelihood of getting a red marble is 2/46=1/23.
Since there are now 45 marbles, the probability of drawing a purple marble in the second scenario is 10/45, or 2/9.
Therefore, the likelihood of taking out a red marble in the first scenario, failing to replace it, and taking out a purple marble in the second scenario is 1/23 * 2/9.
Therefore, the likelihood of removing a red marble in the first scenario, choosing not to replace it and removing a purple marble in the second scenario
=2/46 x 10/45
=1/23 x 2/9
=2/207
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let g be the group of upper triangular real matrices. for each of the following subsets, determine whether or not s is a subgroup, and whether or not s is a normal subgroup. if s is a normal subgroup, identify the quotient group g/s
Answers
We need specific subsets (denoted by "s") within the group of upper triangular real matrices (denoted by "g") to determine whether they are subgroups and normal subgroups. Additionally, if a subset is a normal subgroup, we can identify the quotient group (denoted by "g/s").
To determine if a subset "s" is a subgroup, it must satisfy two conditions: closure under matrix multiplication and inverse existence. If all matrices in "s" multiplied together yield another matrix in "s," and if the inverse of each matrix in "s" is also in "s," then "s" is a subgroup of "g."
On the other hand, to determine if a subgroup "s" is a normal subgroup, we need to check if it is invariant under conjugation. That is, for any matrix "h" in "g" and any matrix "s" in "s," the conjugate of "s" by "h" (i.e., \(hsh^(-1))\)is also in "s." If this condition holds, "s" is a normal subgroup.
If "s" is indeed a normal subgroup, the quotient group "g/s" is formed by taking the left cosets of "s" in "g." Each coset represents a distinct equivalence class of matrices in "g" that differ by an element of "s." The quotient group "g/s" can be used to study the structure and properties of the group "g" after factoring out the normal subgroup "s."
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Given: 2x−43=2
Prove: x = 5
Select from the drop-down menus to correctly complete the proof.
Statement Reason
2x−43=2 Given
2x−4=6
Choose...
2x = 10
Choose...
x = 5
Answers
Therefore , the solution of he given problem of linear equation comes out to be x = 5.
A linear equation is defined.A linear equation is one that has the form y=mx+b in algebra. B is the slope, and m is the y-intercept. It's usual to refer to the previous clause as a "linear equation with two variables" because y and x are variables. The two-variable linear equations known as bivariate linear equations. There are several instances of linear equations: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. It is referred to as being linear when an equation has the form y=mx+b, where m stands for the slope and b for the y-intercept.
Here,
Given : 2x-4=6
To prove x =5
Thus,
We have to find the value of x
=> 2x =10
=> x =10/2
=> x =5
Therefore , the solution of he given problem of linear equation comes out to be x = 5.
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30 POINTS!! Given triangle ABC shown below, which graph shows the transformation (x-2, y+4)?
Answers
Answer:
Its C
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Take point A at ( 4,-1)
We are shifting down 2 and to the right 4
(4-2, -1+4) becomes ( 2,3)
Choice C has A' at ( 2,3)
Use the measure of the angles of the trapezoid to find to measure of the base angles JEF and JFE. Add these measurements to your drawing.
Answers
Add the measurements to the drawing. Angle JEF and angle JFE both measure x degrees, while angle JED measures 180 - x degrees.
To find the measure of the base angles JEF and JFE in a trapezoid, we need to consider the fact that the opposite angles of a trapezoid are supplementary, meaning they add up to 180 degrees.
Since the trapezoid has two pairs of opposite angles, we can apply this property to solve for the base angles. Let's assume angle JEF measures x degrees. Since angle JEF is opposite to angle JFE, the measure of angle JFE is also x degrees.
Now, let's consider the other pair of opposite angles. Since the sum of the measures of the opposite angles is 180 degrees, the measure of angle JEF plus the measure of angle JED equals 180 degrees. Since angle JEF measures x degrees, we can set up the equation: x + JED = 180.
The given question is half of part , the full answer for the question is below.
To find the measure of JED, we subtract x from both sides: JED = 180 - x. Finally, we can add the measurements to the drawing. Angle JEF and angle JFE both measure x degrees, while angle JED measures 180 - x degrees.
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