Answer:
Step-by-step explanation: Step 1
1 of 2
step 1.2659 ;[26 Discovery Group
October 20
Last
Trade Time
Chg
Open
52-week High
52-week Low
Sales in 100s
High
Low
$38.50
4:00 P.M. ET
$1.56
$37.22
$76.19
$22.78
19,700
$40.10
$36.77
\begin{matrix} \text{Discovery Group} & \text{}\\ \text{October 20} & \text{}\\ \text{Last} & \text{\$42.00}\\ \text{Trade Time} & \text{4:00 P.M. ET}\\ \text{Chg} & \text{\$1.50}\\ \text{Open} & \text{\$42.50}\\ \text{52-week High} & \text{\$76.19}\\ \text{52-week Low} & \text{\$22.78}\\ \text{Sales in 100s} & \text{23,600}\\ \text{High} & \text{\$42.50}\\ \text{Low} & \text{\$42.00}\\ \end{matrix}
Discovery Group
October 20
Last
Trade Time
Chg
Open
52-week High
52-week Low
Sales in 100s
High
Low
$42.00
4:00 P.M. ET
$1.50
$42.50
$76.19
$22.78
23,600
$42.50
$42.00
TWO trains leave the station at the same time, one heading west and the other east. The westbound train travels at 85 miles per hour. The eastbound train
travels at 95 miles per hour. How long will It take for the two trains to be 396 miles apart?
Do not do any rounding.
What is the equation of the line that passes through the points (-2, -6) and (1, 2)?
The equation of the line that passes through the points (-2,-6) and (1,2) is y = 8x/3-2/3.
According to the question,
We have the following information:
Points through which line is passing = (-2,-6) and (1,2)
Now, we have the following values:
x1 = -2, y1 = -6
x2 = 1 and y2 = 2
We know that the following formula is used to find the slope of the line:
m = (y2-y1)/(x2-x1)
m = (2+6)/(1+2)
m = 8/3
Now, the following formula is used to find the equation of the line:
y-y1 = m(x-x1)
y+6 = 8/3(x+2)
y+6 = 8x/3+16/3
Subtracting 6 from both sides:
y = 8x/3+16/3-6
y = 8x/3-2/3
Hence, the equation of the line that passes through the points (-2,-6) and (1,2) is y = 8x/3-2/3.
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5) Can you give some real world examples (at least two for each) of positive and negative slope?
The positive slope is tilted towards the right on a coordinate plane and the negative slope is tilted towards the left on the coordinate plane.
What is the positive and negative slope?When two variables have a positive slope, it means that they are positively correlated; that is, when x rises, y rises as well, and when x falls, y falls as well. A line on a line graph that has a positive slope rises as the line advances from left to right.
A line that slopes downward from left to right is said to have a negative slope. In other words, the rise-to-run ratio of the line is negative.
The graph of the two real-life situations is attached with the answer below. In which the equation y = 4x means that the value of y is increasing by 4. Similarly, the equation for negative slope is y = -4x means that the value of y is increasing in opposite direction by factor 4.
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What is the area of the parallelogram shown?
A= In^2
The area of the parallelogram shown is 6.6 square inches.
According to the question,
We have the following information:
We have a parallelogram with base 2.2 inches and height 3 inches.
We know that the following formula is used to find the area of parallelogram:
Area of parallelogram = Base*height
Area of parallelogram = 2.2*3
Area of parallelogram = 6.6 square inches
(Please note that area of any object or figure is always given in square units. For example, it may be square meters, square inches, square feet, etc.)
Hence, the area of the parallelogram shown is 6.6 square inches.
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What is the equation of the line that passes through the point (8, 6) and has a slope
of o?
The equation of the line that passes through the point (8, 6) and has a slope of 0 is y = 8.
How to find the equation of a line?The equation of a line can be represented in slope intercept form as follows:
y = mx + b
where
m = slopeb = y-interceptTherefore, the equation of the line passes through the point (8, 6) and has a slope of 0.
Therefore,
m = 0
Hence, let's find the y-intercept using the (8, 6)
y = mx + b
6 = 0(8) + b
b = 8
Therefore, the equation is y = 8
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Complete the proof that
With the help of angles we can say that ∠HJI=∠FJG.
What are angles?When two straight lines or rays intersect at a single endpoint, an angle is created.The vertex of an angle is the location where two points come together.The Latin word "angulus," which means "corner," is where the term "angle" originates.Vertex: The intersection of two lines or sides at an angle is called a vertex. In the diagram, O is the vertex.Arms: The angle's two sides linked at a single end. The arms of an angle are OA and OB.Initial Side: A straight line from which an angle is drawn, sometimes referred to as the reference line. The reference line is OB.The side that the angle measurement is done up to is known as the terminal side. OA is the terminal side in the diagram that is shown below.Acc to our question-
∠HJI=∠FJG=180 , they are forming linear pairs.due to transitive property of inequality we can say that-they both are equal and congruent.Hence, ∠HJI≅∠FJG are equal and congruent.
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3. Consider the right triangle below in which a = 5 and b = 5.
A. Use the Pythagorean Theorem to solve for c.
Show your work!
B. What is the value of c rounded to the nearest hundredth?
C. What is the value of c in simplified radical form?
Answer:
Consider the right triangle below: State the Pythagorean Theorem as it relates to the above triangle. List the trig identities as they relate to the triangle above. Now suppose hypotenuse C represents a vector R, while sides B and A represent vector components Rx and Ry respectively. Redraw the triangle with the new labels below. Using Pythagorean Theorem, derive the equation for R.
a cattle rancher wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle (see the figure below). there are 510 feet of fencing available to complete the job. what is the largest possible total area of the four pens?
The largest area of the rectangle is 6502.5 square feet.
Given that,
Using fence parallel to one of the rectangle's sides, a cattle rancher wants to surround a rectangular area and divide it into four pens (see the figure below). To finish the task, 510 feet of fencing are available.
We have to find what could the four pens' combined total area be.
We know that,
The rectangular shape's length is l and its width is b.
Total fencing= 2l + 5b=510 feet
2l +5b =510 feet
We can write as,
l=1/2(510-5b)
Total area of the rectangle is length into breath
A(b) = l × b
A(b) = 1/2(510-5b)×b
A(b)= 1/2(510b -5b²)
For maximum area
A'(b)=0
1/2(510b -5(2b))=0
b=51
We get l as
l = 1/2(510-5b)
l = 1/2(510-5(51))
l = 127.5
Total area of the rectangle is 127.5 × 51
Total area of the rectangle is 6502.5 square feet.
Therefore, The largest area of the rectangle is 6502.5 square feet.
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Please help ASAP!! Screenshot below. 10 points
Answer:
The answer to this equation is (-1,1)
Write an equation of the line in point-slope form that passes through the given points in the table. Then write the equation in slope-intercept form.
X
15
20
25
30
35
y
175
210
245
280
315
What is the interquartile range of the data set???
Answer:
14.
Step-by-step explanation:
The interquartile range (IQR) contains the second and third quartiles or the middle half of your data set.
Please give brainliest, will be appreciated.
Answer:
The interquartile range (IQR) measures the spread of the middle half of your data.
a square matrix is nilpotent if for some positive integer . let be the vector space of all matrices with real entries. let be the set of all nilpotent matrices with real entries. is a subspace of the vector space ?
An matrix A is a nilpotent matrix if there exists a positive integer k such that Ak is the zero matrix.
What is nilpotent matrix?A nilpotent matrix in linear algebra is a square matrix N such thatfor some positive integer kk. The index of occasionally the degree of the smallest such k A nilpotent transformation, more generally speaking, It is a linear transformation of a vector space such that Lk=0 for some positive integer. Both of these ideas are specific examples of the more basic idea of nilpotence, which is applicable to rings' constituent parts.acc to our question-
When n=1, the only 1×1 nilpotent matrix is (0). Thus U={(0)} and it is a subspace of VIn this case, we prove that the set U of all 2×2 nilpotent matrices is not a subspace of V.The set U is not a subspace because it is not closed under addition as the following example shows.Hence,An matrix A is a nilpotent matrix if there exists a positive integer k such that Ak is the zero matrix.
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Is 4x + 7y divisible by 2?
⇒ Is 4x + 7y divisible by 2?⇔ This question simply is asking you if there is a possibility that you can take out the highest common factor of 2 in the expression 4x+7y.
⇒ We cannot take out the highest common factor of 2 in this expression since there is the term 7y that has the coefficient 7 which is NOT divisible by 2. the expression 4x+7y
cannot be written in the form a(b+c)
⇒∴ 4x + 7y is not divisible by 2
If you want me to clarify more in this question please say so as soon possible so that I can make time for you.
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Using the velocity, the rocket reaches its maximum height at 3.25 seconds.
In the given question we have to find the maximum height at the rocket reaches.
From the question; a toy rocket is shot vertically into the air from a launching pad 5 feet above the ground with an initial velocity of 104 feet per second.
The height h in feet of the rocket above the ground at t seconds after launch is given by the function h(t)= -16t^2+104t+5.
As we know that at the maximum height, the velocity will be zero.
So the given function of the heigth is
h(t)= -16t^2+104t+5
Velocity(v) = dh(t)/dt = -32t+104
As the maximum height v=0
-32t+104 = 0
Subtract 104 on both side, we get
-32t= -104
Divide by -32 on both side
t= 3.25 seconds
Hence, the rocket reaches its maximum height at 3.25 seconds.
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a square has a side length that is increasing at a rate of 14 inches per hour. what is the rate of change of the area of the square when the side length is 8 inches
The rate of change of the area of the square when the side length is 8 inches is 224 inches per hour.
Let s be the side of the given square.
A = s²
dA/dt = d (s²)/dt
dA/dt = 2s × ds/dt
Given ds/dt= 14 inches per hour, s = 8 inches
dA/dt = 2×14×8
dA/dt = 224 inches per hour
The area of the square is s². Since we need to find the rate of change we need to differentiate the area with respect to time which will give us 2s × ds/dt. Once we replace the given values with their respective positions we will get the desired answer. Hence the rate of change in the area of the square is 224 inches per hour.
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[tex]\sf -31 - 4x = -5 - 5(1 + 5x)[/tex]
Answer:
x = 1
Step-by-step explanation:
Given equation,
→ -31 - 4x = -5 - 5(1 + 5x)
Now the value of x will be,
→ -31 - 4x = -5 - 5(1 + 5x)
→ -31 - 4x = -5 - 5 - 25x
→ -4x + 25x = -10 + 31
→ 21x = 21
→ x = 21/21
→ [ x = 1 ]
Hence, the value of x is 1.
The value of the variable x in the equation -31 -4x = -5- 5(1+ 5x) will be 1.
The given algebraic expression with the variable x is,
-31 - 4x = -5 -5(1+ 5x)
By further solving it, we get,
- 31 - 4x = -5 -5 -25x
To simplify the equation, we have to first separate the constants and variables,
=> 25x - 4x = -5 -5 + 31
=> 21x = 31 - 5 -5
=> 21x = 31- 10
=> 21x = 21
=> x = 21/21
=> x= 1.
Hence, the value of the variable x in the algebraic expression, -31 - 4x = -5 -5(1+ 5x), is found to be 1.
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5(4 − 9 · 2) − 2( 3 · 2 + 4) + 7?
Answer: i think its -18
Step-by-step explanation:
5*(4-9*2)-2*(3*2+4)+7
= 5*(4-18)-2*(3*2+4)+7
= 5*(-14)-2*(3*2+4)+7
= 5*-14-2*(3*2+4)+7
= 5*-14-2*(6+4)+7
= 5*-14-2*(10)+7
= 5*-14-2*10+7
= -70-2*10+7
= -70-20+7
= -90+7
= -83
Miguel took his son to college in boulder, colorado, 300mi from their hometown. on his way home, he was slowed by a snowstorm so that his speed was 10mph less than when he was driving to boulder. his total driving time was 11hr. how fast did miguel drive on each leg of the trip?
Miguel drove at a speed of 60 mph in the first part of the trip and at a speed of 50 mph in the second part of the trip.
Let the speed while dropping his son to college be x mph
Therefore speed while returning is (x - 10) mph
The distance is 300 mi
Speed = Distance/Tie
or, Time = Distance/Speed
Hence the time taken during the first part of the journey = 300/x hrs
and,
Time taken for the next part of the journey
= 300/(x - 10) hrs
It is given that the total time taken was 11 hrs
Hence we get
300/x + 300/(x - 10) = 11
or, (300x - 3000 + 300x) / x(x - 10) = 11
or, (600x - 3000) / (x² - 10x) = 11
or, 600x - 3000 = 11x² - 110x
or, 11x² -710x + 3000 = 0
Applying the shreedharacharya rule gives us
x = (710 ± √(710² -132000)/22)
x = 50/11 or x = 60
If x = 50/11 then x - 10 will be negative.
hence x = 60
Therefore Miguel drove at a speed of 60 mph in first half and 50 mph in second half.
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the cycle time for trucks hauling concrete to a highway construction site is uniformly distributed over the interval 50 to 70 minutes. what is the probability that the cycle time exceeds 65 minutes if it is known that the cycle time exceeds 60 minutes?
The probability that the cycle time exceeds 65 minutes if it is known that the cycle time exceeds 60 minutes is 0.25 .
What is probability?
The possibility or chance of an event happening is commonly believed to be the probability of it happening. In the most basic scenarios, the probability that a specific event 'A' will occur as a result of an experiment is calculated by dividing the number of ways that 'A' can happen by the total number of possible outcomes.
P(A) = Number of events concerning 'A' / Total events in consideration.
A highway construction site's cycle time for trucks transporting concrete is evenly spread over the range of 50 to 70 minutes, thus a = 50 and
b = 70
f(x) = 1/[b - a] = 1/[70 - 50] = 1/20 = 0.05, thus a uniform distribution.
Let P(cycle time is less than 65 minutes if it is known that the cycle time exceeds 55 minutes) be:
P(60 < X < 65) = ₆₀∫⁶⁵ f(x) dx = ₆₀∫⁶⁵ (0.05) dx = 0.05*[65 - 60] = 0.05*5
= 0.25
Thus, the probability that the cycle time exceeds 65 minutes if it is known that the cycle time exceeds 60 minutes is 0.25 .
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consider the polynomial function p given by p(x)=5x^3+6x^2+4x
evaluate the function at x=-5 and x=15
Answer:
p(-5) = -495p(15) = 18285Step-by-step explanation:
You want the value of p(x)=5x^3+6x^2+4x for x=-5 and x=15.
Horner formWriting a polynomial in Horner form can simplify evaluation.
p(x) = ((5x +6)x +4)x
p(-5)p(-5) = ((5(-5) +6)(-5) +4)(-5) = (-19(-5) +4)(-5) = 99(-5) = -495
p(15)p(15) = ((5(15) +6)(15) +4)(15) = (81(15) +4)(15) = 1219(15) = 18285
DIMENSIONAL ANALYSIS (MATH) GIVING BRAINILIEST!
Q1: What is the speed of a horsefly in feet per second? Round to the nearest hundredth.
Q2: How many times does a dragonfly's wing beat per minute?
Q3: About how many times can a bumble bee travel in one minute?
1) The speed of a horsefly in feet per second is; 0.63 beats per minute
2) The number of times that the dragonfly's wing beats per minute is; 3 ft/s
3) The number of times that a bumble bee travels in one minute is; 0.11 miles per minute
How to carry out dimensional Analysis?Dimensional analysis is defined as the study of the relationship that exists between physical quantities with the help of dimensions and units of measurement.
Dimensional Analysis is also defined as a method of problem solving that takes into consideration the identity property of multiplication whereby the product of a number and 1 will always give the same number, that is 1 × n = n whereby the value "n" remains the same after the multiplication.
1) We are given from the table that the speed of a horsefly in miles per hour = 4.4 miles per hour. We want to know the speed expressed in feet per second.
From conversions, we know that;
1 mile per hour = 1/1.467 ft/s
Thus; 4.4 miles per hour = 4.4 * 1/1.467 = 3 ft/s
2) We are given from the table that the dragonfly's wing beat per second = 38 beats per second. We want to know the dragonfly's in wing beat per minute
From conversions, we know that;
1 beat per second = 1/60 beat per minute
Thus; 38 beats per second = 38 * 1/60 = 0.63 beats per minute
3) We are given from the table that the speed of a bumble bee in miles per hour = 6.4 miles per hour. We want to know the speed expressed in miles per minute
From conversions, we know that;
1 mile per hour = 1/60 miles per minute
Thus;
6.4 miles per hour = 6.4 * 1/60 = 0.11 miles per minute
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Calculate (8.42 x 109) − (2.35 x 108).
Answer:
Step-by-step explanation:
663.98
Answer: 663.98
Step-by-step explanation:
(8.42*109)=917.78
(2.35*108)=253.8
917.78-253.8=663.98
Karen buys a pack of 8 bottles of water.
The pack costs £1.25
Karen sells all 8 bottles of water for 50p each
Work out Karen's percentage profit.
The percentage of the profit gain by karen on a pack of 8 bottles is 220%.
Karen buys a pack of bottles of water. = 8
Karen sells all 8 bottles of water for rupees = 50p each
= 50p/100 each
= 0.5 rupees
Total rupees for 8 bottles = 8 x 0.5 = 4
The pack costs = 1.25
Profit % = (Profit / C.P.) × 100
Profit = SP - CP
= 4 - 1.25
= 2.75
then using these values in equation we get :
profit = [tex]\frac{4 - 1.25}{1.25} * 100[/tex]
profit = (2.75/1.25 )x 100
profit = 2.2 x 100 = 220
profit = 220%
The percentage of the profit gain by karen on a pack of 8 bottles is 220%.
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Divide.
8 3/4÷(−3 1/2)
Enter your answer as a mixed number, in simplified form, in the box.
A group of friends wants to go to the amusement park. They have no
more than $465 to spend on parking and admission. Parking is $12.50,
and tickets cost $33 per person, including tax. Which inequality can be
used to determine p, the maximum number of people who can go to
the amusement park?
14 people can go to the amusement park. Inequality of wealth in major cities Economic inequality comes in many forms, most notably wealth inequality measured by the distribution of wealth and income inequality measured by the distribution of income.
How to calculate No. of people?Inequality: 33p + $12.50 ≤ $465
14 people can go to the amusement park
Inequality:
$465= Amount of money they have
$12.50= Parking Cost
$33= Cost of tickets per person
Because they only have $465, they can't spend more than that amount.
Therefore, the inequality would be the ticket cost per person, times the amount of people being payed for (aka x) plus the parking cost is less than or equal to the amount of money they have to spend. Hence the inequality:
33p+ $12.50 ≤ $465
$465- $12.50 = $452.5 (452.5 is how much is left for tickets after subtracting the parking cost)
$33 x1 4 = $462 (14 tickets can be bought for the price of $33)
$462 - $452.5 = $9.5 (9.5 isn't enough for another person)
So, the solution to the inequality is 14 people can go to the amusement park.
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Answer: 45.5p is less than or equal to 465
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Answer:
Step-by-step explanation:
x² + (x + 2)² = (x + 3)²
x² + x² + 4x + 4 = x² + 6x + 9
x² - 2x - 5 = 0
[tex]x_{1}[/tex] = [tex]\frac{-(-2)+\sqrt{4+20} }{2}[/tex] = 1 + √6 ≈ 1 + 2.45 = 3.45 units
[tex]x_{2}[/tex] = [tex]\frac{-(-2)-\sqrt{4+20} }{2}[/tex] = 1 - √6 < 0 can not be solution of the given problem.
x ≈ 3.4 units
x + 2 ≈ 5.4 units
x + 3 ≈ 6.4 units
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The equation of the parabola with the vertex (3,5) in the form of f(x)=a(x-h)^2+k is f(x)=7(x-3)^2+5.
In the given question we have to find the equation of parabola in the form of f(x)=a(x-h)^2+k
The given function is f(x)=7x^2.
The given vertex = (3,5)
The equation of the parabola with the vertex of (h,k) is
y=a(x-h)^2+k
On comparing we get; a=7, h=3, k=5
Now putting the value
f(x)=7(x-3)^2+5
Hence, the equation of the parabola with the vertex (3,5) in the form of f(x)=a(x-h)^2+k is f(x)=7(x-3)^2+5.
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Find X in all three problems below
The lengths for the missing side of each case, determined by the use of trigonometric functions, are listed below:
Case D: 50.513
Case E: 46.165
Case F: 2.052
How to determine missing lengths of right triangles by trigonometric functions
In this problem we have three cases of right triangles, each of which has an unknown side length. Each length can be found by using trigonometric functions. Now we proceed to determine it for each case:
Case D
tan 29° = 28 / x
x = 28 / tan 29°
x ≈ 50.513
The missing side length is approximately 50.513 units.
Case E
tan 18° = 15 / x
x = 15 / tan 18°
x ≈ 46.165
The missing side length is approximately 46.165 units.
Case F
cos 70° = x / 46
x = 46 · cos 70°
x ≈ 2.052
The missing side length is approximately 2.052 units.
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Evaluate f(x) = log₂ (x) for f(8).
The value of f(8) is 3.
What is logarithm?
The opposite of exponentiation in mathematics is the logarithm. The exponent to which b must be raised in order to obtain a number x is hence the logarithm of a number x to the base b. For instance, since 1000 = 103, log10 of 1000 is 3, or [tex]log_1_0=3[/tex].
Let, [tex]f(x) = log_2(x)[/tex]
We have to find the value of f(8).
Plug x = 8 in the above equation.
[tex]f(8) =log_2(8)[/tex]
Here 8 = 2 x 2 x 2 = 2^3
So, replace 8 with 2^3 in the above equation.
[tex]f(8) = log_2(2^3)[/tex]
Using the log rule: [tex]log_a(a^b) = b[/tex]
Here a = 2, b = 3
So, [tex]log_2(2^3) = 3[/tex]
Hence, f(8) = 3.
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x+3y+z=-8
4x-2y-z=-9
5x+3y+2z=-19
please help me with this
That aint no question
