Answer:
29% of the drive
Step-by-step explanation:
The plot of the problem is:
Transmitter at origin (0,0)
City to the north at (0,70)
City to the east at (74,0)
The path from city to city is a line with slope:
m = (-70)/74 = -35/37
and y-intercept at y = 70, so the equation is y = (-35/37)*x + 70.
The transmitter reach the area enclosed by the next circle:
x^2 + y^2 = 53^2
See the picture attached
The intersection is gotten from the picture or solving:
x^2 + [(-35/37)*x + 70]^2 = 53^2
the points approximately are: (24.1, 47.2) and (45.8, 26.7)
From Pythagorean theorem the total distance of the trip is:
d1 = √(70^2 + 74^2) ≈ 101.9 miles
And the distance when the signal is picked up is:
d2 =√ [(45.8 - 24.1)^2 + (47.2 - 26.7)^2] ≈ 29.9 miles
You will pick up a signal from the transmitter in (d2/d1)*100 = 29% of the drive.
. Write a function that calculates h for a given value of T. Now, use the function in a script to calculate the altitude of satellites that orbit the Earth (a) once a day, (b) once every 90 minutes, and (c) once every 45 minutes. What do you conclude from these calculations
According to the question The function that calculates h for a given value of T For a. \(\[ h_a = \left( \frac{{G \cdot M \cdot T_a^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\) , For b. \(\[ h_b = \left( \frac{{G \cdot M \cdot T_b^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\) , For c. \(\[ h_c = \left( \frac{{G \cdot M \cdot T_c^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\).
In this function, we use the formula for the orbital period of a satellite:
\(\[ T = 2 \pi \sqrt{\frac{h^3}{G M}} \]\)
where:
- `T` is the orbital period of the satellite in seconds
- `G` is the gravitational constant
- `M` is the mass of the Earth
- `h` is the altitude of the satellite above the Earth's surface
By rearranging the formula, we can solve for `h`:
\(\[ h = \left(\frac{G M T^2}{4 \pi^2}\right)^{1/3} - R \]\)
Let's assume the following values for the constants:
\(\( G = 6.67430 \times 10^{-11} \, \text{m}^3 \, \text{kg}^{-1} \, \text{s}^{-2} \)\) (gravitational constant)
\(\( M = 5.972 \times 10^{24} \\) , \(\text{kg} \)\) (mass of the Earth)
\(\( R = 6.371 \times 10^{6} \, \text{m} \)\) (radius of the Earth)
Using these values, we can calculate the altitudes for satellites orbiting the Earth.
a) Once a day: \(\( T = 24 \times 60 \times 60 \, \text{s} \)\)
b) Once every 90 minutes: \(\( T = 90 \times 60 \, \text{s} \)\)
c) Once every 45 minutes: \(\( T = 45 \times 60 \, \text{s} \)\)
Now let's substitute these values into the formula to calculate the altitudes:
a) For once a day:
\(\[ h_a = \left( \frac{{G \cdot M \cdot T_a^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\)
b) For once every 90 minutes:
\(\[ h_b = \left( \frac{{G \cdot M \cdot T_b^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\)
c) For once every 45 minutes:
\(\[ h_c = \left( \frac{{G \cdot M \cdot T_c^2}}{{4\pi^2}} \right)^{\frac{1}{3}} - R \]\)
By substituting the values and evaluating the expressions, we can find the altitudes for each case.
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PLEASE HELP ME THANKS IF U DO (gets reported if link)
Answer:
5
Step-by-step explanation:
49/9 = 5
WHICH IS THE EQUATION THAT FITS THE PATTERN AND WHAT ARE THE TWO MISSING VALUES FOR Y I NEED HELP ASAP!!!!
Answer:
y= x-28; The missing numbers are 9 and .....
Step-by-step explanation:
As an example in the table it has 32 as x and 4 as y. 32-28 =4
Find P(A or B or C) for the given probabilities.
P(A) = 0.35, P(B) = 0.23, P(C) = 0.18
P(A and B) = 0.13, P(A and C) = 0.03, P(B and C) = 0.07
P(A and B and C) = 0.01
P(A or B or C)
The probability of A or B or C occurring is 0.54.
To find P(A or B or C), we need to use the principle of inclusion-exclusion.
P(A or B or C) = P(A) + P(B) + P(C) - P(A and B) - P(A and C) - P(B and C) + P(A and B and C)
Substituting the given probabilities:
P(A or B or C) = 0.35 + 0.23 + 0.18 - 0.13 - 0.03 - 0.07 + 0.01
P(A or B or C) = 0.54
Therefore, the probability of A or B or C occurring is 0.54.
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Find the value of x.
The value of x is 116°
Given that a circle, with two congruent chords, FG and DE we need to find the central angle x,
Here we will use the properties of circle,
Since, the chords are equal, so, the measure of the arc intercepted by them will be equal,
arc DE = arc FG = 116°
Also, we know that the central angle is equal to the measure of the arc intercepted by it,
Therefore, x = m arc DE
x = 116°
Hence, the value of x is 116°
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Smart people of Brainly who know math
Plot function G on the graph
(Picture provided)
Answer:
Down below
Step-by-step explanation:
The graph is attached to the answer.
What is function?The function is an expression, rule, or law that defines the relationship between one variable to another variable. Functions are ubiquitous in mathematics and are essential for formulating physical relationships.
Given is a function,
g(x) = -3, -8≤x-2
1, -2≤x≤4
5, 4≤x≤10
The function g(x) is a discrete function. It is continuous between -8 to -2, -2 to 4, and 4 to 10.
And the open circle at -8, -2, 4, and 10.
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What is the Integral Calculator with Steps for
An integral calculator with steps is a tool that allows you to compute integrals of functions and provides a step-by-step solution to the problem.
This type of calculator is especially useful for students learning calculus, as it allows them to see how the integral is computed and helps them to understand the underlying concepts and techniques.
To use an integral calculator with steps, you typically enter the function you want to integrate and the limits of integration. The calculator then applies a variety of techniques to compute the integral, such as substitution, integration by parts, partial fractions, or trigonometric substitutions.
The output of the calculator usually includes the solution to the integral, as well as a detailed explanation of the steps involved in the computation. Some calculators may also provide graphs of the function and the area under the curve.
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Please help me ASAPPPPPP
Answer:
Step-by-step explanation:
4). Surface area of front and back = 2(lengh × height)
= 2(7×3)
= 63 cm²
Surface area of top and bottom = 2(length × width)
= 2(8×7)
= 112 cm²
Surface area of left and right = 2(width × height)
= 2(8×3)
= 48 cm²
Total surface area = 63 + 112 + 48
= 223 cm²
5). Surface area of top and bottom = 2πr²
= 2π(4)²
= 32π
= 100.53 cm²
Surface area of middle = h(π × d)
= 4(π × 8)
= 32π
= 100.53 cm²
Total surface area = 32π + 32π
= 64π
= 201.06 cm²
6). Surface area of front and back = \(2[\frac{1}{2}(\text{Base})(\text{Height)}]\)
= Base × Height
= 6 × 8
= 48 cm²
Surface area of bottom = 6 × 11
= 66 cm²
Surface area of the left = 8 × 11
= 88 cm²
Surface area of right = 10 × 11
= 110 cm²
Total surface area = 48 + 66 + 88 + 110
= 312 cm²
Solve the inequality. (If there is no solution, enter NO SOLUTION. If all real numbers are solutions, enter REALS.)
Answer:
b ≤ -200
( - ∞, -200]
Explanation:
We have to solve
\(\frac{b}{-10}\ge20\)for b.
Multiplying both sides by -10 reverses the direction of the inequality and gives
\(b\le20\times(-10)\)which simplifies to give
\(\boxed{b\le-200.}\)We plot the above on the number line.
The above plot tells us that all values of b less than or equal to -200 satisfies the inequality.
Using the interval notation, we write the interval as
\((-\infty,-200\rbrack\)Where parenthesis tells us that ∞ itself is not included in the interval, the bracket '[' tells us that -200 is included in the interval.
Decorative sheets of paper sell for
$0.16 per sheet. How many sheets
are sold for $7.84?
Answer:
42 sheet of paper
Step-by-step explanation:
$7.84 divided by $0.16
This equals 42
After spending 7 dollars and 84 cents, 42 sheets of paper will be sold.
water runs into a conical tank at the rate of 26 cubic inches per second. the tank stands point down and has a height of 11 inches and a base radius of 7 inches. how fast is the water level rising when the water is 5 inches deep?
The water level is rising at a rate of approximately 0.017 inches per second when the water is 5 inches deep.
Let's start with the formula for the volume of a cone.V= 1/3πr²h
Here, h is the height of the water level at a given time. We are given that water is flowing in at a rate of 26 cubic inches per second. Therefore, we can calculate the rate of change of volume as dV/dt = 26.The tank stands point down, which means that the apex of the cone is at the bottom and the base is at the top. The height of the tank is 11 inches, so when the water level is 5 inches deep, the remaining height of the tank that is empty is 11 - 5 = 6 inches.The radius of the tank at the base is 7 inches, which means that the radius of the top of the water level is proportional to the height of the water level. Therefore, the radius of the top of the water level when the water level is 5 inches deep is: r = (5/11) x 7 = 3.18 inches.Now we can use the formula for the volume of a cone to find the volume of water in the tank when the water level is 5 inches deep.
V= 1/3πr²h= 1/3 x π x (3.18)² x 5= 53.4 cubic inches
Now we can find the rate of change of height with respect to time using the formula
dV/dt = A dh/dt, where A is the area of the base of the tank.
A = πr² = π(7)² = 49π square inches.
Therefore, we have:
26 = 49π dh/dt
dh/dt = 26 / (49π)
dh/dt ≈ 0.017
The water level is rising at a rate of approximately 0.017 inches per second when the water is 5 inches deep.
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For the data shown in the scatter plot below, identify a point apart from the main cluster?
A (1, 4)
B (3, 5)
C (8, 7)
D(4, 7)
Answer:
C. (8, 7)Step-by-step explanation:
There are 2 points that are apart from the main cluster:
(8, 7) and (8.5, 7.5)One of them is included in the answer choices:
C. (8, 7)(a) Determine an estimated regression equation that can be used to predict the overall score given the score for Shore Excursions. (Round your numerical values to two decimal places. Let x1 represent the Shore Excursions score and y represent the overall score.) y^= (b) Consider the addition of the independent variable Food/Dining. Develop the estimated regression equation that can be used to predict the overall score given the scores for Shore Excursions and Food/Dining. (Round your numerical values to two decimal places. Let x1 represent the Shore Excursions score, x2 represent the Food/Dining score, and y represent the overall score.) y^= (c) Predict the overall score for a cruise ship with a Shore Excursions score of 78 and a Food/Dining Score of 91 . (Round your answer to one decimal place.)
a. Estimating the regression equation The estimated regression equation is used to predict the overall score given the score for shore excursions. The equation is:
y^ = 12.84 + 0.63x1Where: y^ is the predicted overall scorex1 is the Shore Excursion scoreb. Adding Food/Dining Score The estimated regression equation that can be used to predict the overall score given the scores for Shore Excursions and Food/Dining is:
y^ = 9.93 + 0.55x1 + 0.32x2Where: y^ is the predicted overall scorex1 is the Shore Excursion scorex2 is the Food/Dining score c. Predicting the overall score Predict the overall score for a cruise ship with a Shore Excursions score of 78 and a Food/Dining Score of 91.
Substituting the values into the regression equation:
y^ = 9.93 + 0.55x1 + 0.32x2
y^ = 9.93 + 0.55(78) + 0.32(91)
y^ = 9.93 + 42.90 + 29.12
y^ = 81.95
Thus, the predicted overall score is 81.9.
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perform the necessary questions -5 -(-3) + (-8)
the answer is 0 because -5 -(-3) equals 8 which cancels out when u add negative 8 :)
What is the slope of the line?
Answer:
-1
Step-by-step explanation:
Substitute the two points given into the slope formula:
m= y2-y1/x2-x1
m= 0-1/1-0
m=-1
The Slope is -1
Hope this helps! :)
Consider the following statement: If x is any real number such that 0≤x≤1, then x≥x
2
. (a) Write the contrapositive of the statement. (Hint: First rewrite the statement as: Prove if x is any real number such that x≥0 and x≤1, then x≥x
2
. Then write its contrapositive.) (b) Prove the original statement using a contrapositive proof. (Hint: x
2
is the same as 0
2
−4b−2
=0. (Hint: Use a result from class which states if a
2
is odd then a is also odd.)
In both cases, x is not between 0 and 1, which proves the contrapositive. Therefore, by the contrapositive proof, we can conclude that if 0≤x≤1, then x≥x^2.
The contrapositive of the given statement "If x is any real number such that 0≤x≤1, then x≥x^2" is: "If x is any real number such that x<x^2, then x is not between 0 and 1." To prove the original statement using a contrapositive proof, we assume that x is a real number such that x < x^2 and aim to show that x is not between 0 and 1.
Since x < x^2, we can rewrite the inequality as x^2 - x > 0. Factoring x out, we have x(x - 1) > 0. This inequality holds true when either both factors are positive or both factors are negative. Considering the first case, if x > 1, then x - 1 > 0. Since x > 1, x is not between 0 and 1. In the second case, if x < 0, then x - 1 < 0. Again, x is not between 0 and 1.
Thus, in both cases, x is not between 0 and 1, which proves the contrapositive. Therefore, by the contrapositive proof, we can conclude that if 0≤x≤1, then x≥x^2.
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24 is what percent of 60
Answer: 14.4
Step-by-step explanation:
60 * (24/100) = 14.4
Tristian read 50% of his dear book this weekend if he read 78 pages over the weekend then how many pages are in tristians book ?
We roll a fair die repeatedly until we see the number four appear and then we stop. a) what is the probability that we need at most 3 rolls?
The given scenario of rolling a fair die repeatedly until we see the number four appear, and then we stop, is an example of a geometric distribution. The probability that we need at most 3 rolls is 91/216
This can be calculated as follows:
Given that we roll a fair die repeatedly until we see the number four appear and then we stop.
Let X be the number of times the die is rolled until we see the number four. Then X is a geometric random variable with the parameter p = 1/6.
The probability that we need at most 3 rolls is the probability that we get a four on the first, second, or third roll.
P(X ≤ 3) = P(X = 1) + P(X = 2) + P(X = 3)
The probability of getting a four on the first roll is:
P(X = 1) = (1 - p)^(1-1) * p = (5/6)^0 * 1/6 = 1/6
The probability of getting a four on the second roll is:
P(X = 2) = (1 - p)^(2-1) * p = (5/6)^1 * 1/6 = 5/36
The probability of getting a four on the third roll is:
P(X = 3) = (1 - p)^(3-1) * p = (5/6)^2 * 1/6 = 25/216
Therefore, P(X ≤ 3) = P(X = 1) + P(X = 2) + P(X = 3) = 1/6 + 5/36 + 25/216 = 91/216
The probability that we need at most 3 rolls is 91/216.
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A house is valued at £240 000.
Its value is predicted to rise by 2.8% per
annum.
Calculate its predicted value after 2 years.
The formula for calculating the amount predicted at t years is expressed as:
A = P(1+r)^t. The predicted value after 2 years is £253.62
Exponential functionThe formula for calculating the amount predicted at t years is expressed as:
A = P(1+r)^t
where
P is the principalr is the ratet is the timeSubstitute the given parameters
A = 240(1+0.028)^2
A =240 (1.028)^2
A = £253.62
Hence the predicted value after 2 years is £253.62
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point p partitions directed segment AB in the part to part ratio of 4:4. If A(5,-7) and B(1,-1), find the y-coordinate of P. Round your answer to 2 decimals
Using the fact that P is the midpoint of the segment AB, we will see that its y-value is -4.
How to find the y-coordinate of P?We know that point P partitions directed segment AB in the part to part ratio of 4:4.
Notice that the ratio is equivalent to 1:1
So point P is just the midpoint of the segment, remember that for a segment whose endpoints are (a, b) and (c, d), the midpoint is:
M= ( [a+ c]/2, [b + d]/2)
P is the midpoint of (5,-7) and (1,-1), then the value of the y-coordinate of P is:
y = (-7 + (-1))/2
y = (-7 - 1)/2
y = -4
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What is an equation that goes through (12, 5); m = -3
Please help
Answer:
Step-by-step explanation:
Use this formula:
y - y1 = m ( x - x1 )
We are told m = -3 and given the point (12 , 5) ---- > so x1 = 12 and y1= 5
Put these values into the formula above and you get:
y - y1 = m ( x - x1 )
y - 5 = -3 ( x - 12 )
y - 5 = -3x + 36
y = -3x + 36 + 5
y = -3x + 41
a nurse is planning care for a client to prevent postoperative atelectasis. which of the following interventions should the nurse include in the plan of care except?
Answer:
You didn't provide any choices or options to pick from but here are the possible answers is:
- Encourage the use of the incentive spirometer every 2 hours
-Instruct to splint incision when coughing and deep breathing.
-Reposition the client every 2 hours
-Assist with early ambulation.
Step-by-step explanation:
Hope I could help!
In the plan of care to prevent postoperative atelectasis, interventions should not include the use of tobacco products or exposure to secondhand smoke.
The nurse should include several interventions in the plan of care to prevent postoperative atelectasis, but there are specific interventions that should not be included. Atelectasis is the partial or complete collapse of the lung, and preventing it is crucial after surgery. Here are some interventions that should be included:
Incentive Spirometry: The nurse should encourage the client to use an incentive spirometer to promote deep breathing and lung expansion.
Early Ambulation: Encouraging the client to get out of bed and walk as soon as possible after surgery helps improve lung function.
Pain Management: Adequate pain control measures should be in place to ensure the client can take deep breaths without discomfort.
Coughing and Deep Breathing Exercises: The nurse should teach and encourage the client to perform regular coughing and deep breathing exercises to clear the airways and prevent mucus buildup.
Positioning: Proper positioning, such as elevating the head of the bed, can aid lung expansion.
What should not be included in the plan of care is the use of tobacco products or exposure to secondhand smoke, as smoking and smoke exposure are detrimental to lung health and can worsen atelectasis. These should be strictly avoided to prevent postoperative complications.
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a • 9 for a = 2 I do not understand how to do it
Answer:
Answer is 18
Step-by-step explanation:
Substitute the variable.
2 x 9 =
Then solve
2 x 9 = 18
Find the value of 3a when a= 6.
Answer:
18
Step-by-step explanation:
a = 6
3a = 6 x 3 = 18
When you see alphabets with numbers at the back like 2, 4 or etc, just multiply them.
I need help with problem five
Answer:
x=110
Step-by-step explanation:
360-(110+90+50)=110
x=110
is 6:4 and 4:3 equivalent ratios?
Answer:
nooooo
Step-by-step explanation:
an equivalent ratio to 6:4 would be 3:2 and an equivalent ratio for 4:3 would be 8:6
hope this helps! :)
The ratios 3:2 and 4:3 are not the same ratio, we can conclude that 6:4 and 4:3 are not equivalent ratios.
What are ratios and proportions?A proportion is a statement that two ratios are equal. It compares two ratios and states that they are equivalent.
No, the ratios of 6:4 and 4:3 are not similar. We must reduce each ratio to its simplest form in order to determine whether two ratios are equivalent (by dividing both the numerator and denominator by their greatest common factor).
For 6:4, the greatest common factor is 2, so we can simplify to:
6:4 = 3:2
For 4:3, there are no common factors other than 1, so it is already in its simplest form.
Since 3:2 and 4:3 are not the same ratio, we can conclude that 6:4 and 4:3 are not equivalent ratios.
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Nash's Trading Post, LLC took a physical inventory on December 31 and determined that goods costing $208,000 were on hand. Not included in the physical count were $30,000 of goods purchased from Swifty Corporation, FOB, shipping point, and $23,500 of goods sold to Marigold Corp. For $30,000, FOB destination. Both the Swifty purchase and the Marigold sale were in transit at year-end.
Answer:
$261,500
Step-by-step explanation:
What amount should Nash report as its December 31 inventory?
Item Amount
Goods on hand as per physical count $208,000
(+) Goods purchased from Swifty $30,000
Corporation FOB shipping point
(+) Goods sold to Marigold Corp $23,500
FOB destination (at cost value)
Ending inventory $261,500
Notes:
1) In case of FOB shipping point, the ownership of goods is transferred to the buyer when the goods are shipped and hence in the case of purchases from Swifty corporation, the goods should be included in the inventory of Nash's Trading Post as the goods are shipped and are in transit.
2) In case of FOB destination, the ownership of goods is transferred to the buyer when the goods reaches to the buyer, hence in the case of sales made to Marigold Corp, the goods are still in transit and the ownership is not transferred to Marigold Corp, hence Nash's Trading Post should included that goods in its inventory.
I WILL MARK BRAINIEST
PLEASE HELP ASAP
Answer:
3
Step-by-step explanation:
math
what is front-end estimation
Front-end estimation is a particular way of rounding numbers to estimate sums and differences.
To use front- end estimation, add or subtract only the numbers in the greatest place value. Then add the decimals rounded to the nearest tenth.
Step-by-step explanation:
In front end estimation we are going to replace the original number with a number that is close by but only has one non zero digit. Examples: {20, 300, -50, 1,000, 80,000}. For example take the number 32, the choices to replace it with are 30 or 40 (they both have only one non-zero digit).