\(\large\huge\green{\sf{Answer:-}}\)
222+209-789-678+1000
222+209+1000-789-678
1431-(789+678)
1431-(1467)
-36
222+208-789-678+1000 = -36
find a direct relationship between x and y.
x=t-5 and y=t^2-6t
The direct relationship of the variables is y = (t^2 - 6t)/(t - 5) * x
How to determine the direct relationship?From the question, we have the following parameters that can be used in our computation:
x = t - 5 and y = t^2 - 6t
The direct relationship between x and y is calculated using
Y = (y/x) * X
Substitute the known values in the above equation, so, we have the following representation
y = (t^2 - 6t)/(t - 5) * x
Hence, the direct relationship is y = (t^2 - 6t)/(t - 5) * x
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a theater can hold 120 giants or 144 elves, if 90 giants are already in the theater how much elves can be admitted?
Answer:
36 more elves
Step-by-step explanation:
90 giants takes up 90/120 = 0.75 of the whole theater, leaving 0.25 empty for the elves.
0.25 * 144 = 36
36 more elves can fit.
Answer:
36 elves
Step-by-step explanation:
Hope this helps
For the given confidence level and values of x and n, find the following.
x=45, n=96, confidence level 95%
The confidence interval based on the given values (x = 45, n = 96, Confidence level = 95%.
The confidence level (95%), sample size (n = 96), and sample mean (x = 45), we can calculate the margin of error and the confidence interval. Here's how:
1. Margin of Error:
The margin of error represents the maximum expected difference between the true population parameter and the sample estimate. It depends on the confidence level and the standard deviation (which we don't have in this case).
Since the standard deviation is unknown, we can use the t-distribution to estimate it. With a sample size of n = 96, the degrees of freedom are (n - 1) = 95. Considering a 95% confidence level, the critical value for a two-tailed test is approximately 1.984 (referencing a t-distribution table or calculator).
The margin of error (E) can be calculated using the following formula:
E = critical value * (standard deviation / sqrt(n))
However, since we don't have the standard deviation, we can't compute the margin of error in this case.
2. Confidence Interval:
The confidence interval represents a range of values within which the true population parameter is likely to fall.
The confidence interval can be calculated using the formula:
CI = x ± (critical value * standard deviation / sqrt(n))
The confidence interval based on the given values (x = 45, n = 96, confidence level = 95%.
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Vehicles generally decrease in value around 14% per year. If you buy a vehicle priced at $39,500 , this can be modeled by the equation A=39500(0.86)t . Estimate the value of the vehicle after 4 years. Round to the nearest cent and do not round until the final calculation.
Rounding to the nearest cent, the estimated value of the vehicle after 4 years is approximately $23,726.20..
To estimate the value of the vehicle after 4 years, we can use the given equation A = 39500(0.86)^t, where A represents the value of the vehicle and t represents the number of years.
Substituting t = 4 into the equation:
A = 39500(0.86)^4
A ≈ 39500(0.5996)
A ≈ 23726.20
Rounding to the nearest cent, the estimated value of the vehicle after 4 years is approximately $23,726.20.
This estimation is based on the assumption that the vehicle's value decreases by 14% each year. The equation A = 39500(0.86)^t models the exponential decay of the vehicle's value over time. By raising the decay factor of 0.86 to the power of 4, we account for the 4-year period. The final result suggests that the value of the vehicle would be around $23,726.20 after 4 years of ownership.
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1493600÷8 i need full steps
When 1,493,600 is divided by 8 the quotient is 186,700.
To divide 1,493,600 by 8, you can follow these steps:
We have to write down the dividend (1,493,600) and the divisor (8).
Now start with the largest place value in the dividend (the leftmost digit) and perform the division.
Divide 1 by 8. Since 1 is smaller than 8, you move to the next digit.
Bring down the next digit (4) and combine it with the previous quotient (0). This gives you 04.
Divide 4 by 8. Since 4 is smaller than 8, you move to the next digit.
Bring down the next digit (9) and combine it with the previous quotient (0). This gives you 09.
Divide 9 by 8. The quotient is 1, and the remainder is 1.
Bring down the next digit (3) and combine it with the remainder (1). This gives you 13.
Divide 13 by 8. The quotient is 1, and the remainder is 5.
Bring down the next digit (6) and combine it with the remainder (5). This gives you 56.
Divide 56 by 8. The quotient is 7, and there is no remainder.
Bring down the next digit (0) and combine it with the quotient (7). This gives you 70.
Divide 70 by 8. The quotient is 8, and there is no remainder.
There are no more digits to bring down, and the division is complete.
The quotient is the result of the division. In this case, 1,493,600 divided by 8 is equal to 186,700.
Therefore, the result of 1,493,600 ÷ 8 is 186,700.
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Chase and Sara went to the candy store. Chase bought 5 pieces of bobble gum for of $5.70. Sara bought 2 pieces of fudge and 10 pieces of bubble gum for a total of $3.60. Which system of equations could be used to determine the cost of 1 piece of fudge, f, and 1 piece of bubble gum , g.
A new cylindrical can with a diameter of 4cm is being designed by a local company. The surface area of the can is 140 square centimeters. What is the height of the can? Estimate using 3.14 for pi and round to the nearest hundredth. Apply the formula for the surface area of a cylinder SA=2B+Ph
The height of the can of cylinder shape is 9.14 cm.
What is a cylinder?
In mathematics, a cylinder is a three-dimensional solid that maintains two parallel bases separated by a curved surface at a specific distance. These bases frequently have a circular shape (like a circle), and an axis connects their respective centres.
We are given the diameter as 4 cm.
So, the radius is 2cm.
Also, it is given that the surface area of the can is 140 square centimeters.
So, using the surface area of cylinder, we get
⇒Area = 2πr (h + r)
⇒140 = 2π * 2 (h + 2)
⇒140 = 4π (h + 2)
⇒140 = 4 * 3.14 * (h + 2)
⇒140 = 12.56 * (h + 2)
⇒11.14 = h + 2
⇒h = 9.14
Hence, the height of the can of cylinder shape is 9.14 cm.
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1. A. What is the formula for the Pythagorean Theorem? (1 point)
B. Find the missing leg of the triangle using the Pythagorean Theorem. Remember that drawings may not be to scale (Round to the nearest tenth).
Show your work. (4 points)
20 ft
18 ft
x
Answer:
side 1^2 + side 2 ^2 = hypotenuse ^ 2
18^2 + 20^2 = hypotenuse^2
324 + 400 = 724
hypotenuse^2 = 724
hypotenuse = 26.9072480941474
hypotenuse = 26.9
Step-by-step explanation:
URGENT!!!!!!!!
The diameter of circle P is 12 inches. The diameter of circle S is 16 inches. Anise wants to find the difference between the circumference of the circles.
Which two statements are true? \
Select TWO correct answers.
A The circumference of circle P is about 24π
inches.
B The circumference of circle S is about 50.24 inches.
C The difference between the circumferences of the two circles is 12.56 inches.
D The circumference of circle S is about 8π
inches.
E The circumference of circle P is about 75.36 inches.
F The difference between the circumferences of the two circles is 28π
inches.
Answer:
The answer are
B and C
Step-by-step explanation:
r=d/2=12/2=6
r=16/2=8
Circumference=2pir
C=2×6pi
C=12pi
C=2pir
C=2×8pi
C=16pi
answer quick will give 20 points
Answer:
I think c but I'm not sure
Answer:
C: (-3,6)
Step-by-step explanation:
add both equations
5x+2x+2y-2y=-15+(-6)
7x=-21
x=-3
input x=3 into any equation in system and solve for y
2(3)-2y=-6
-2y=-12
y=6
solution: (-3, 6)
Translate this sentence into an equation.
The sum of 10 and Mai's score is 58.
Use the variable m to represent Mai's score.
Answer:
10+m=58
Step-by-step explanation:
The sum- meaning addition, so 10+Mai's score is 58
We replace the words "Mia's score" with the variable "m"
so we get 10+m is 58
the word "is" can be replaced with "=" hence-
10+m=58
3 Jack walk from Santa Clara to Polo Allo. Il took I hour 25 min to walk from Santa Clot to Los Altos. Than it took 25 minute of wal from los altos to Palo buto. He arrived in Palo alto at 2:45 P.M. of what time die Santa Clara ? he leave Santa clara
The time Jack left Santa Clara is 1 : 55 pm
What is word problem?A word problem in math is a math question written as one sentence or more. These statements are interpreted into mathematical equation or expression.
The time for Jack to walk to lose Altos is 25 min and he uses another 25mins to work to Palo alto.
Therefore, the total time he spent is
25mins + 25 mins = 50 mins
He arrived Palo at 2 :45 pm, therefore the time he left Santa Clare will be ;
2:45 pm = 14 :45
= 14:45 - 50mins
= 13:55
= 1 : 55pm
Therefore he left at 1:55 pm
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1. A friend lends you $400 for a week, which you agree to repay with 5% one-time interest. How much will you have to repay?
Answer
a = 200 + 0.5 (200) = $210
Step-by-step explanation:
2 log5 x=log5 4+log5 9
The equation 2 log₅ x = log₅ 4 + log₅ 9 has two solutions: x = 6.
To solve the equation 2 log₅ x = log₅ 4 + log₅ 9, we can use logarithmic properties to simplify and find the value of x.
Using the properties of logarithms, we can rewrite the equation as follows:
2 log₅ x = log₅ (4 * 9)
Next, we simplify the right side:
2 log₅ x = log₅ (36)
Now, we can use the property of logarithms that states logₐ b = c is equivalent to aᶜ = b. Applying this property, we have:
x² = 36
Taking the square root of both sides, we get:
x = √36
Since the square root of 36 can be either positive or negative, we have two possible solutions:
x = 6
It's important to note that when working with logarithmic equations, we must always check if the obtained solutions satisfy the domain restrictions of the original equation. In this case, since the logarithm has a base of 5, the solution x = 6.
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The ratio of teachers to students at happy hill school is 2:29, which means that for every 2 teachers there are _ _ students. There are 7 doctors and 27 nurses at happy hill hospital. The ratio of doctors to nurses is, therefore, 7:_ _. To find the unlock code, type the numbers that the questions above, putting a space between the two answers and a space after the second. Then, type, in ratio notation (using a colon), the ratio of commas to periods in this entire prompt (the text on tope of the red lock background)
By using the concept of ratio, it can be obtained that
The ratio of teachers to students at happy hill school is 2:29, which means that for every 2 teachers there are 29 students
There are 7 doctors and 27 nurses at happy hill hospital. The ratio of doctors to nurses is, therefore, 7: 27
What is ratio?
Ratio of two numbers compares two numbers with the same unit and determines how much one number is bigger than the other.
The first number is called antecedant and the second number is called consequent
The ratio of teachers to students at happy hill school is 2:29, which means that for every 2 teachers there are 29 students
There are 7 doctors and 27 nurses at happy hill hospital. The ratio of doctors to nurses is, therefore, 7: 27
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What is the value of the trig ratio sin A?
The sine relation is given by the length of the opposite leg to the angle over the length of the hypotenuse.
So, for the given triangle, we have:
\(\begin{gathered} \sin A=\frac{BC}{AC}\\ \\ \sin A=\frac{20}{29} \end{gathered}\)Therefore the value of sin A is 20/29.
Please help me I really need help
Answer:
5
7
9
11
13
Step-by-step explanation:
u just have to plot the x values into the x variable if that makes sense
here is an exampla
How much work is done lifting a 35 pound object from the ground to the top of a 25 foot building if the cable used weighs 2.5 pounds per foot
Answer:
3400 ft-lbs
Step-by-step explanation:
The Workdone in lifting the rope :
Number of feet = x
Distance = 25 feets
2.5x + 35
Taking the integral :
∫2.5x + 35 dx at x = 40
Integrating, we have :
1/2(2.5x² ) + 35x at x = 40
1/2(2.5(40)²) + 35(40)
1/2(4000) + 1400
2000 + 1400
= 3400
Hence, Workdone in lifting the rope = 3400 ft-lbs
PLEASEEEEEE IM BEGGGINGGGG SOMEONE PLEASEEEEEEEE PLEASEEEEEEE I NEED THISS PLEASEEEEEEEEE PLEASEEEEE
Which points are separated by a distance of 4 units? a. (7,7) (1,7) b. (3,3) (1,3) c. (4,2) (8,2) d. (2,4) (5,4)
Answer:
c
Step-by-step explanation:
with the knowledge that we are comparing the x position we can get the equation |x_1-x_2|=4, then just do the maths
(4,2) (8,2) points are separated by a distance of 4 units.
What is distance formula?The 2D distance formula gives the shortest distance between two points in a two-dimensional plane.
Distance Formula = \(\sqrt{(x_{2} -x_{1} )^{2} +(y_{2}-y_{1} )^{2} }\)
Given
Distance of 4 units
Option A:
\((x_{1} ,y_{1})=(7,7)\)
\((x_{2} ,y_{2})=(1,7)\)
Distance = \(\sqrt{(x_{2} -x_{1} )^{2} +(y_{2}-y_{1} )^{2} }\)
= \(\sqrt{(1-7)^{2}+(7-7)^{2} } =6\)
Option B:
\((x_{1} ,y_{1})=(3,3)\)
\((x_{2} ,y_{2})=(1,3)\)
Distance = \(\sqrt{(x_{2} -x_{1} )^{2} +(y_{2}-y_{1} )^{2} }\)
= \(\sqrt{(1-3)^{2}+(3-3)^{2} } =2\)
Option C:
\((x_{1} ,y_{1})=(4,2)\)
\((x_{2} ,y_{2})=(8,2)\)
Distance = \(\sqrt{(x_{2} -x_{1} )^{2} +(y_{2}-y_{1} )^{2} }\)
= \(\sqrt{(8-4)^{2}+(2-2)^{2} } =4\)
Option C is correct.
Option D:
\((x_{1} ,y_{1})=(2,4)\)
\((x_{2} ,y_{2})=(5,4)\)
Distance = \(\sqrt{(x_{2} -x_{1} )^{2} +(y_{2}-y_{1} )^{2} }\)
= \(\sqrt{(5-2)^{2}+(4-4)^{2} } =3\)
Hence, (4,2) (8,2) points are separated by a distance of 4 units.
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What is X?
I’m at a loss
Answer:
9
Step-by-step explanation:
5x-3= 2x+24
5x=2x+27
3x=27
X=9
Answer: A. 9
Step-by-step explanation:
The diagonal is bisected by the other diagonal. So the 2 parts of the diagonal are equal
5x - 3 = 2x + 24 >Bring like terms to 1 side
3x = 27 >Divide both sides by 3
x = 9
2. Solve for x. Round to the nearest tenth if necessary.
25
Answer:
x = 15
Step-by-step explanation:
To solve this question and find value of x, we need to use Euclidean relation.
According this relation:
\( {x}^{2} = 9 \times 25\)
\( {x}^{2} = 225\)
Find the root of both expressions,
x = 15
A library spent 5/8 of its budget to buy new books. They set aside 1/12 of the book money to buy young adult novels. What part of the budget went towards buying young adult novels?
Answer:
5/96
Step-by-step explanation:
Fraction used to buy new books = 5/8
Amount for book money = 1/12 of amount of adult novels
Part used for adult movies = 1/12 * 5/8
Part used for adult movies = 5/96
Hence the part of the budget that went towards buying young adult novels is 5/96
Convert the following decimal fraction to decimals: (Round to nearest hundredth as needed.)3/10
Answer: 0.3
Step-by-step explanation:
\(\frac{3}{10}\) = 0.3
Let's roll two dice and find the probability of rolling a certain sum. Is this a simple or compound event?
Two dice - Red and Blue
Recall that a simple event has one and only one outcome of interest. In this example, we are rolling two dice, but we are only interested in one outcome, the sum of the two dice. This is a simple event.
What is the probability of:
Rolling a sum of 1?
Rolling a sum of 3?
Rolling a sum of 12?
Rolling a sum of 7?
Since we are rolling a pair of dice and looking for the sum, the sample space is a little more complicated than rolling one die. The chart below will help us determine the possible outcomes. The top row indicates the numbers on the sides of the blue die and the first column represents the number on the sides of the red die. The white area indicates the sum of the numbers in the row and column.
# Rolled 1 2 3 4 5 6
1 1+1=2
1
+
1
=
2
1+2=3
1
+
2
=
3
1+3=4
1
+
3
=
4
1+4=5
1
+
4
=
5
1+5=6
1
+
5
=
6
1+6=7
1
+
6
=
7
2 2+1=3
2
+
1
=
3
2+2=4
2
+
2
=
4
2+3=5
2
+
3
=
5
2+4=6
2
+
4
=
6
2+5=7
2
+
5
=
7
2+6=8
2
+
6
=
8
3 3+1=4
3
+
1
=
4
3+2=5
3
+
2
=
5
3+3=6
3
+
3
=
6
3+4=7
3
+
4
=
7
3+5=8
3
+
5
=
8
3+6=9
3
+
6
=
9
4 4+1=5
4
+
1
=
5
4+2=6
4
+
2
=
6
4+3=7
4
+
3
=
7
4+4=8
4
+
4
=
8
4+5=9
4
+
5
=
9
4+6=10
4
+
6
=
10
5 5+1=6
5
+
1
=
6
5+2=7
5
+
2
=
7
5+3=8
5
+
3
=
8
5+4=9
5
+
4
=
9
5+5=10
5
+
5
=
10
5+6=11
5
+
6
=
11
6 6+1=7
6
+
1
=
7
6+2=8
6
+
2
=
8
6+3=9
6
+
3
=
9
6+4=10
6
+
4
=
10
6+5=11
6
+
5
=
11
6+6=12
6
+
6
=
12
How many outcomes are in the sample space? Answer
Answer:
the answer to your question how many outcomes is really gonn adepend on you you slove you problem but my amswer is gonna be 7.
A square has an area of 148.84m2.
Work out the perimeter of the square
Answer:
48.8m
Step-by-step explanation:
Formula for square area = \(a^{2}\) = 148.84 \(m^{2}\)
=> a = \(\sqrt{148.84}\) = 12.2
Formula for square perimeter = 4a = 4 x 12.2 = 48.8 m
The perimeter of the given square is 48.8 m.
What is perimeter of a square?The perimeter of any closed geometrical object is defined as the distance around that object. The perimeter of a square is the distance covered by its four sides. Perimeter surrounds or outlines the shape in a two-dimensional plane.
Since all the sides of a square are equal, therefore, the perimeter of square will be 4 times its side, i.e. 4 × Side. It is measured in units, such as m, cm, in, ft, etc.
According to question,
Given area of a square = 148.84 m²
We all know that,
Area of a square = (Side)²
⇒ (Side)² = 148.84 m²
⇒ Side = √(148.84 m²)
⇒ Side = 12.2 m
Therefore, perimeter of the given square = 4 × Side
= 4 × 12.2
= 48.8 m
Hence the perimeter of a square = 48.8
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Please help I need this done!
Will give the brainliest!
Answer:
(See explanation for all answers)
Step-by-step explanation:
4.
A. 3/16
It says in the chart that 4 text messages have a probability of 3/16.
5.
D. 13/16
You just have to add up all the probabilities under four.
6.
B. 5/8
At least two messages means that you need to add up all the probabilities 2 and above.
Hope this helps!
-Luna
(6-2x) +(15-3x) where x=0.2
\( \sf{\blue{«} \: \pink{ \large{ \underline{A\orange{N} \red{S} \green{W} \purple{E} \pink{{R}}}}}}\)
Expression: \(\displaystyle\sf (6-2x) +(15-3x)\)
Substituting \(\displaystyle\sf x=0.2\):
\(\displaystyle\sf (6-2(0.2)) +(15-3(0.2))\)
Simplifying the expression inside the parentheses:
\(\displaystyle\sf (6-0.4) +(15-0.6)\)
\(\displaystyle\sf 5.6 +14.4\)
Calculating the sum:
\(\displaystyle\sf 20\)
Therefore, \(\displaystyle\sf (6-2x) +(15-3x)\) evaluated at \(\displaystyle\sf x=0.2\) is equal to \(\displaystyle\sf 20\).
\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)
♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
the effectiveness of a blood-pressure drug is being investigated. an experimenter finds that, on average, the reduction in systolic blood pressure is 55.9 for a sample of size 29 and standard deviation 7.4. estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% confidence level). assume the data is from a normally distributed population.
We can use the confidence interval formula to estimate how much the drug will lower a typical patient's systolic blood pressure with 80% confidence.
The confidence interval formula is:
Sample mean ± (t-score × standard error)
Where the t-score is calculated from the t-distribution using the number of degrees of freedom (n-1) and the confidence level (80%).
Using the given information, we can calculate the t-score as follows:
t-score = 1.711 (for 80% confidence level and 28 degrees of freedom)
Therefore, the confidence interval is:
55.9 ± (1.711 × (7.4/√29))
= 55.9 ± 4.125
So, with 80% confidence, we can say that the drug will lower a typical patient's systolic blood pressure by between 51.8 and 60.0.
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Question 4 of 10
Which situation best illustrates the concept of absolute advantage?
A. A German factory can build more sports cars than foreign factories.
B. Most of the world's largest companies have operations in many different countries.
C. The total value of Japanese imports is greater than the total value of the country's exports.
D. A French restaurant buys food from nearby farms to support the local economy.
Situation which illustrates best the concept of absolute advantage is: Option A - A German factory can build more sports cars than foreign factories.
Absolute advantage is the potential of an individual, a company, or a country to produce a higher quantity of output than its competitors while using the same inputs. It means an institution with absolute advantage has more efficiency in producing a particular commodity than its rivals. It utilizes lower marginal cost (materials and labor), making its output much cheaper than others.
A factory in German has an absolute advantage because it can produce more sports car than foreign countries. Absolute advantage makes the factory more competitive in the market than its rivals.
Therefore, the correct answer is option A.
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