9514 1404 393
Answer:
3/2 feet
Step-by-step explanation:
4 yards = (4 yd)(3 ft/yd) = 12 ft
1/8 of that is ...
(1/8)(12 ft) = (12/8) ft = 3/2 ft = 1 1/2 ft
Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid
(x^2/4) + (y^2/64) + (z^2/49) = 1
Hint: By symmetry, you can restrict your attention to the first octant (where x,y,z=0), and assume your volume has the form V=8xyz. Then arguing by symmetry, you need only look for points which achieve the maximum which lie in the first octant.
What is the maximum volume?
The maximum volume of the largest rectangular box that can be inscribed in the ellipsoid can be calculated by finding the x, y, and z coordinates in the first octant that satisfy the equation (x^2/4) + (y^2/64) + (z^2/49) = 1.
Since the box must have edges parallel to the axes, the coordinates will also be the lengths of the box's edges. From the equation, we get the x coordinate to be 2, the y coordinate to be 8, and the z coordinate to be 7.
The volume of the box is the product of its edges, so the maximum volume of the box is V = 8xyz = 8 * 2 * 8 * 7 = 896.
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Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in
producing large tubes of toothpaste.
O 2.1.3.4
O 4.1,2,3
O 4,3,1,2
The companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste is 4, 3, 1, 2 that is option C.
Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste.
Toothpaste company
Large tubes
Small tubes
1) Sparkling
100 per hour
200 per hour
2) Bright White
100 per hour
250 per hour
3) Fresh!
200 per hour
250 per hour
4) Mint
150 per hour
150 per hour
Formula for comparative advantage is
CA=rate of producing large tubes/rate of producing small tube
For 1 Sparkling:
CA = 100/200
CA = 0.5
For 2 Bright White:
CA = 100/250
CA = 0.5
For 3 Fresh:
CA = 200/250
CA = 0.8
For 4 Mint:
CA = 150/150
CA = 1
thus, to place the companies in order of greatest comparative advantage to least comparative advantage in producing large tubes of toothpaste is 4, 3, 1, 2.
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Complete question:
Use the numbers to place the companies in order of greatest comparative advantage to least comparative advantage in
producing large tubes of toothpaste.
2.1.3.4
4.1,2,3
4,3,1,2
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the second angle of a triangle is 28 more than the first angle. the third angle is two times the first. find the three angles.
solve 90x = 81+25x^2
Answer:
1.8
Step-by-step explanation:
Solve for x
90
x
=
81
+
25
x
2
Subtract
25
x
2
from both sides of the equation.
90
x
−
25
x
2
=
81
Subtract
81
from both sides of the equation.
90
x
−
25
x
2
−
81
=
0
Factor the left side of the equation.
Tap for more steps...
−
(
5
x
−
9
)
2
=
0
Multiply each term in
−
(
5
x
−
9
)
2
=
0
by
−
1
Tap for more steps...
(
5
x
−
9
)
2
=
0
Set the
5
x
−
9
equal to
0
.
5
x
−
9
=
0
Solve for
x
.
Tap for more steps...
x
=
9
5
The result can be shown in multiple forms.
Exact Form:
x
=
9
5
Decimal Form:
x
=
1.8
Mixed Number Form:
x
=
1
4
5
Upgrade to
solve |x+1| + 7 = 31
Answer:
x1=-25,x2=23
Step-by-step explanation: hope it helps :)
Find the area of the shape below.
In the given diagram, the area of the shape is approximately 35.7 mm²
Calculating the area of the shapeFrom the question, we are to calculate the area of the shape.
From the given information, we have a trapezium and a semicircle cut out of it
The area of the shape = Area of the trapezium - Area of the semicircle
Area of a trapezium = 1/2(a + b) × h
Where a and b are the parallel sides
and h is the perpendicular height
Area of a semicircle = 1/2 πr²
Where r is the radius
Thus,
Area of the shape = [1/2(a + b) × h] - [1/2 πr²]
In the given diagram,
a = 10 mm
b = 15 mm
h = 6 mm
r = 10 / 2 mm = 5 mm
Substituting the parameters, we get
Area of the shape = [1/2(10 + 15) × 6] - [1/2 π(5)²]
Area of the shape = 75 - 39.2699 mm²
Area of the shape = 35.7301mm²
Area of the shape ≈ 35.7 mm²
Hence,
The area is 35.7 mm²
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(1 point) (a) find the coordinate vector of x=⎡⎣⎢−35−1⎤⎦⎥ with respect to the ordered basis e=⎧⎩⎨⎪⎪⎡⎣⎢178⎤⎦⎥,⎡⎣⎢01−5⎤⎦⎥,⎡⎣⎢001⎤⎦⎥⎫⎭⎬⎪⎪ of r3: [x]e=
The coordinate vector of x = [-3, 5, -1] with respect to the ordered basis e = {[1, 7, 8], [0, 1, -5], [0, 0, 1]} is [x]e = [5, -6, -1].
To find the coordinate vector of x with respect to the basis e, we need to express x as a linear combination of the basis vectors and determine the coefficients.
x = [-3, 5, -1]
e = {[1, 7, 8], [0, 1, -5], [0, 0, 1]}
We need to find the coefficients c1, c2, c3 such that:
x = c1 * [1, 7, 8] + c2 * [0, 1, -5] + c3 * [0, 0, 1]
This can be written as a system of equations:
-3 = c1 * 1 + c2 * 0 + c3 * 0
5 = c1 * 7 + c2 * 1 + c3 * 0
-1 = c1 * 8 + c2 * (-5) + c3 * 1
Simplifying the equations, we have:
c1 = -3
7c1 + c2 = 5
8c1 - 5c2 + c3 = -1
Substituting the value of c1 in the second equation:
7(-3) + c2 = 5
-21 + c2 = 5
c2 = 26
Substituting the values of c1 and c2 in the third equation:
8(-3) - 5(26) + c3 = -1
-24 - 130 + c3 = -1
c3 = 105
Therefore, the coefficients are:
c1 = -3
c2 = 26
c3 = 105
The coordinate vector of x with respect to the basis e is:
[x]e = [c1, c2, c3] = [-3, 26, 105]
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Samir's retirement party will cost $294 if he invites 6 guests. If there are 12 guests, how much will Samir's retirement party cost? Solve using unit rates.
Answer:
$588
Step-by-step explanation:
$294 = 6 Guests
$588 = 12 Guests
Systems requests do not deal with factors involved in improving service.
a. true
b. false
The distance between two cities on a map 3.5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometers. What is the actual distance between these two cities in kilometers?
Answer:
70 kilometers
Step-by-step explanation:
if 1 cm is equal to 20 kilometers, then 3 cm would be 60 kilometers, and 0.5 cm would be 10 kilometers. making 3.5 cm 70 kilometers.
suppose sin(A) = 2/5. use the trig identity sin^2(A)+cos^2(A)=1 to find cos(A) in quadrant I. show all steps and round to ten-thousandth
In quadrant I, \(\cos(A)\) is positive. So
\(\sin^2(A) + \cos^2(A) = 1 \implies \cos(A) = \sqrt{1-\sin^2(A)} = \dfrac{\sqrt{21}}5 \approx \boxed{0.9165}\)
1. Given f(x) = x2 - 4x + 5, find each value.
a. f(2)
Knowing \(f(x)=x^2-4x+5\) then \(f(2)=2^2-4\cdot2+5=4-8+5=1\)
Hope this helps :)
Answer:
1
Step-by-step explanation:
f(x) = x^2 - 4x + 5
Plug in:
f(x) = x^2 - 4x + 5
f(x) = 2^2 - 4(2) + 5
f(x) = 4 - 8 + 5
f(x) = -4 + 5
f(x) = 1
Hope this helped.
6 is greater than or equal to 9, is that the same thing as ALL REAL NUMBERS?
Answer:
No it is not the same
Step-by-step explanation:
A real number is any number, positive or negative, whole number or decimal.
(EX) 1, 1.00567, -2, -2.659365
Any number!
what is the values of x,y and z?
5x+2y+6z=85
Answer:
x = 3
y = 14
z= 7
what is 652.42 rounded to the hundreds place
Answer:
650.00
Step-by-step explanation:
2 is the hundreds place but since its not 5 or over it will be 0
Find the measures of the interior angles of the triangle,
Answer:
Angle B = 88
Angle C = 44
Step-by-step explanation:
X+48+(X-44)=180
Subtract 48 from both sides
X+48-48+(x-44)=180-48
X+(x-44)=132
2x-44+44=132+44
2x= 176
X=88
Angle A=48
Angle B =88
Angle C=44
(88-44)
88+44+48=180
Answer:
∠A = 48°
∠B = 48°
∠C = 84°
Explanation:
For C, it is parallel to A, so it would be the same sized angle. For context, all angles of a triangle add up to 180°, so you do; ∠A + ∠C and get 96°
Then you do, 180° - 96° to get 84°
So ∠C would be 84°
Write the quadratic function f(x) = x2 + 8x + 3 in vertex form.
WORTHHHHHHH.......30 POINTS
PLEASE HELP ASAP YOU GOT 20 MINUTES
Parin digs a hole at a rate of 5/6 feet every 15 minutes. After digging for 45 minutes, Parin places a bush in the hole that fills exactly 3/4 feet of the hole.
Relative to ground level, what is the elevation of the hole after placing the bush in the hole?
!!!!!!I REPEAT ENTER YOUR ANSWER AS A SIMPLIFIED MIXED NUMBER!!!!!!!
Answer: 3 1/4 Is the correct answer.
Find the value of x in the triangle shown below.13c12Choose 1 answer:A = 1B= 5C=156D= V313
We are given a right-angled triangle.
Recall that the Pythagorean theorem is given by
\(a^2+b^2=c^2\)Where a and b are the shorter sides and c is the longest side.
For the given case, one shorter side (12) and the longest side (13) is given
Let us find the other shorter side (x)
\(\begin{gathered} a^2+b^2=c^2 \\ a^2=c^2-b^2 \\ a^2=13^2-12^2 \\ a^2=169-144 \\ a^2=25 \\ a=\sqrt[]{25} \\ a=5 \end{gathered}\)Therefore, the third side x is 5
\(x=5\)The grocery business saw broad changes over the course of the
Covid-19 pandemic. As restaurants closed their doors to all but
take-out orders, grocery store revenues increased by approximately
10% ove
The COVID-19 pandemic led to significant changes in the grocery business. As restaurants closed their doors to all but take-out orders, grocery store revenues increased by approximately 10%. This increase in demand resulted in significant operational changes for grocery stores.
including expanded hours, increased staffing, and the implementation of strict health and safety protocols. Retailers also invested heavily in e-commerce capabilities to accommodate the increase in online orders. Furthermore, the pandemic has also impacted consumer behavior, as customers stockpiled items and made fewer trips to the store, opting instead for bulk purchases.
As the pandemic continues, the grocery industry will continue to evolve to meet consumer demands and changing economic conditions. In the future, we may see further investments in e-commerce capabilities, increased attention to health and safety protocols, and continued efforts to cater to shifting consumer preferences.
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what is the radius if the circumference is 1.0
Answer:
r = 0.16
Step-by-step explanation:
C = 2·π·r
1 = 2·π·r
1/2 = π·r
0.5 = π·r
0.5 / 3.14 = r
0.16 = r
Ryan invested $5000 in an account that averaged 5% growth per year. Which equation would be used to best model the situation?
Answer:
f(x)=5000(1+0.05)^x
Step-by-step explanation:
Use the formula: f(x)=P(1+b)^x
P is principal or y-intercept. 5000 is principal.
b is the percentage in decimal form. 0.05 is b.
x is time, in this case years. Since there is not a certain number of years leave x as x.
f(x)=5000(1+0.05)^x
Hope this helps!
If not, I am sorry.
How long would the minute hand of a clock have to be if its end were to move at 100km/hour?
To move at 100 km/hour at its end, the length of the minute hand that has an angular velocity of 2·π radians per hour, has to be approximately 15.92 kilometers
What is angular velocity?Angular velocity is the rate and direction of rotation of a body about an axis.
The required linear speed of the minute hand = 100 km/hour
The formula to convert angular speed to linear speed is presented as follows;
\(\omega = \dfrac{v}{r}\)Which gives;
\(r = \dfrac{v}{\omega}\)The angular speed of the minute hand = 2·π rad/hour
The required length of the minute hand is therefore;
\(r = \dfrac{100 \ km/hour}{2\cdot \pi/hour} = \dfrac{50}{\pi}\, km \approx 15.92 \, km\)
The length of the minute hand that that give a motion of 100 km/hour at the end is approximately 15.92 km
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PLEASE HELP!! WILL GIVE BRAINLIESTTTT
Jackie has a choice of 3 pairs of shoes, 3 pants, and 4 shirts that can make an outfit for today. Each pair of shoes has a different heel height, each pair of pants is made from a different fabric, and each shirt is a different color.
Jackie randomly picks some clothes.
What is the probability that she chooses an outfit consisting of the flat heel or spike heel shoes, the twill or the denim pants, and the white or black shirt?
2/13+2/13+2/13
= 6/13
Step-by-step explanation:
The probability that she chooses an outfit consisting of the flat heel or spike heel shoes, the twill or the denim pants, and the white or black shirt is given by P ( A ) = 22.22 %
What is Probability?The probability that an event will occur is measured by the ratio of favorable examples to the total number of situations possible
Probability = number of desirable outcomes / total number of possible outcomes
The value of probability lies between 0 and 1
Given data ,
Jackie has a choice of 3 pairs of shoes, 3 pants, and 4 shirts that can make an outfit for today.
Each pair of shoes has a different heel height, each pair of pants is made from a different fabric, and each shirt is a different color.
So , There are a total of 3 x 3 x 4 = 36 possible outfits.
The number of outfits with the specified choices is:
2 (choices of shoes) x 2 (choices of pants) x 2 (choices of shirts) = 8
Therefore, the probability that Jackie chooses an outfit consisting of the specified choices is:
8 / 36 = 2 / 9 ≈ 0.2222 or about 22.22%
Hence , the probability is P ( A ) = 22.22 %
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Write a formula that describes the value of an initial investment of $300, growing at an interest rate of 6%, compounded monthly.
The formula which describes the given situation is A = 300 \(e^{0.06t}\) . The solution is obtained by using compound interest.
What is compound interest?
Unlike simple interest, which does not take the principal into account, compound interest does so when calculating the interest for the following month. Compound interest is sometimes represented by the letter C.I. in algebra.
We know that the formula for compound interest is
A = P\(e^{rt}\)
In the question, we are provided with the following information
P = $300
r = 0.06
So, from this we get
A = 300 \(e^{0.06t}\)
Hence, the formula which describes the given situation is A = 300 \(e^{0.06t}\) .
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For each problem below, solve the equation for the missing variable. Then, use that equation to find the missing quantity in the situation. Show all steps.
1.) A train travels 616 miles at a speed of 55 miles per hour. Use the equation d equals r t to find the time the train travels.
2.) The equation I equals P invisible times r t gives the amount of interest a bank account receives after a certain period. An individual invests $6,000 into an account that receives 7% interest. How much time has passed if the amount of interest is $3,360?
3.) The area of a triangle is 84 square meters. What is the base if the height is 12 meters?
4.) If the perimeter of a rectangle is 37 inches and the width is 10 inches, what is the length of the rectangle?
5.)
The volume of a right cylinder is found by the formula V equals pi r squared h. Two cylinders both have a height of 10 centimeters. One has a volume of 2009.6 cubic centimeters. The other has a volume of 196.25 cubic centimeters. What is the radius of each cylinder? (Use 3.14 as an approximation of pi.)
Please help me im so confused ive been at this for hours
The time taken for the for the train to arrive is 11.2 hours.
1) We have;
distance (d) = 616 miles
Speed (v) = 55 miles per hour
time (t) = distance/speed = 616 miles/55 miles per hour = 11.2 hours
2) We have;
Interest (I) = $3,360
Principal (P) = $6,000
Rate (R) = 7%
Time = 100 I/PR
Time = 100 × 3,360/6,000 × 7
Time = 8 years
3) Area (A) = 84 square meters
Height (h) = 12 meters
Base (b) = 2 A/h = 2 × 84/12 = 14 meters
4) Perimeter = 37 inches
width = 10 inches
length = P/2 - w = 37/2 - 10 = 8.5 inches
5) V = πr^2h
For the first cylinder;
V = 2009.6 cubic centimeters
h = 10 centimeters
r = √V/πh
r = √2009.6 /3.14 × 10
r = 8 centimeters
For the second cylinder;
r = √V/πh
r = √196.25/3.14 × 10
r= 2.5 centimeters
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solve this system of equations using the substitution method
y=x+7
-2x-11=y
Answer:
x=-6, y=1
Step-by-step explanation:
Let's solve your system by substitution.
y=x+7;−2x−11=y
Step: Solve y=x+7 for y:
y=x+7
Step: Substitute x+7 for y in −2x−11=y:
−2x−11=y
−2x−11=x+7
−2x−11+−x=x+7+−x(Add -x to both sides)
−3x−11=7
−3x−11+11=7+11(Add 11 to both sides)
−3x=18
−3x/ −3 = 18/ −3 (Divide both sides by -3)
x=−6
Step: Substitute−6 for x in y=x+7:
y=x+7
y=−6+7
y=1 (Simplify both sides of the equation)
Answer:
x=−6 and y=1
plsss help (ZOOM TO SEE FULL PIC)
Answer:
350+280+553=1183
C
Step-by-step explanation:
Can you prove triangles congruent by SAS?.
The triangle ABC and XZY are proved to be congruent by SAS.
Explain the concept of congruence.Congruence of triangles: Two triangles are supposed to be harmonious assuming each of the three comparing sides are equivalent and every one of the three relating angle are equivalent in measure. These triangles can be slides, pivoted, flipped and went to be seemed to be indistinguishable.
By the rule of SAS which means, Two sides are equal thhen the angle between the two sides is also equal (SAS: side, angle, side)
Here in he given triangle,BC=YZ
AC=XZ
∠ACB=∠XZY
By SAS ΔABC≅ΔXYZ
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prove for any real constants x and y, where y > 0 (n 7x) y = θ(n y ).
To prove that y^n = θ(n^y) for any real constants x and y, where y > 0, we need to show that y^n is both O(n^y) and Ω(n^y).
To show that y^n = O(n^y), we need to find a positive constant C and a value of n_0 such that for all n ≥ n_0, we have y^n ≤ Cn^y. We can rewrite this inequality as n^(ylog(y)) ≤ Cn^y. If we choose C = y^(y+1) and n_0 = 1, then for all n ≥ n_0, we have:
n^(ylog(y)) = n^(log(y^n)) = y^n ≤ y^(y+1) * n^y = Cn^y.
Thus, y^n = O(n^y).
To show that y^n = Ω(n^y), we need to find a positive constant C and a value of n_0 such that for all n ≥ n_0, we have y^n ≥ Cn^y. We can rewrite this inequality as (y/n)^n ≥ C. Since y > 0 and n ≥ 1, we have y/n ≥ 1, which implies (y/n)^n ≥ 1^n = 1. If we choose C = 1 and n_0 = 1, then for all n ≥ n_0, we have:
(y/n)^n ≥ 1.
Thus, y^n = Ω(n^y).
Since we have shown that y^n = O(n^y) and y^n = Ω(n^y), we can conclude that y^n = θ(n^y). Therefore, the statement is proved.
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