The solution to the system of equations graphed below is (1, 5)
Solution to system of equationThe given graph shows 2 lines intersecting at a point (x, y). This point of intersection is equivalent to the solution to the graphed function.
Tracing the points to the x and y-axis on the plane respectively will give the coordinate point (1, 5)
Hence the solution to the system of equations graphed below is (1, 5)
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5100 dollars is placed in an account with an annual interest rate of 7%. To the nearest
year, how long will it take for the account value to reach 13500 dollars?
After 14.39 years the principle amount will reach to 13500 dollars.
What is compound interest?
Compound interest, also known as interest on principal and interest, is the practicize of adding interest to the principal amount of a loan or deposit.
Given: 5100 dollars is placed in an account with an annual interest rate of 7%.
Principle amount (P) = 5100 dollars.
Rate of interest = 7% = 0.07
Total amount (A) = 13500 dollars.
Here the interest is compounded annually, so we can use the compound interest formula,
\(A = (1+r)^t\)
Plug the values in the formula
\(13500 = 5100(1+0.07)^t\\2.6471 = (1+0.07)^t\)
Taking log on both sides,
\(log(2.6471) = log(1.07)^t\\log(2.6471) = t log(1.07)\\t = 14.39\)
Hence, after 14.39 years the principle amount will reach to $13500.
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Answer:
The correct answer would be: 18.1
Step-by-step explanation:
Sharma is three years older than Anand. Six years ago Sharma's age was four times Anand's age. Find their ages?
Answer:
See explanation
Step-by-step explanation:
Anand = x
Sharma = x + 3
6 years ago
Anand = x - 6
Sharma = (x + 3) - 6
= x + 3 - 6
= x - 3
Sharma age = 4 (x - 6)
Six years ago Sharma's age was four times Anand's age.
x + 3 = 4(x - 6)
x - 3 = 4x - 24
x - 4x = -24 + 3
- 3x = - 21
x = - 21/-3
x = 7
Anand = x = 7 years
Sharma = x + 3
= 7 + 3
= 10 years
i have no idea what i am doing.
I will give brainiest to the correct answer
20 points
Answer:
Approximately 619.42
Step-by-step explanation:
The formula for finding the volume of a cone is V=1/3hπr². (R is the radius and h is the height.
a vending machine is designed to dispense a mean of 7.6 oz of coffee into an 8-ounce cup. if the standard deviation of the amount of coffee dispenses is 0.5 oz and the amount is normally distributed, determine the percent of times the machine will dispense more than 7.1 oz.
To determine the percentage of times the machine will dispense more than 7.1 oz of coffee, we need to calculate the z-score and find the corresponding area under the normal distribution curve.
The z-score is calculated using the formula:
z = (x - μ) / σ
where x is the value we're interested in (7.1 oz), μ is the mean (7.6 oz), and σ is the standard deviation (0.5 oz).
Let's calculate the z-score:
z = (7.1 - 7.6) / 0.5
z = -0.5 / 0.5
z = -1
Now we need to find the area under the normal distribution curve for a z-score of -1. We can use a standard normal distribution table or a statistical calculator to find this area.
The area corresponds to the probability that the machine will dispense more than 7.1 oz.
Using a standard normal distribution table, we can find that the area to the left of z = -1 is approximately 0.1587. Since we're interested in the area to the right (more than 7.1 oz), we subtract this value from 1:
P(X > 7.1) = 1 - 0.1587
P(X > 7.1) ≈ 0.8413
Therefore, the vending machine will dispense more than 7.1 oz approximately 84.13% of the time.
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a dessert chef prepares the dessert for every day of a week starting with sunday. the dessert each day is either cake, pie, ice cream, or pudding. the same dessert may not be served two days in a row. there must be cake on friday because of a birthday. how many different dessert menus for the week are
There are 324 different dessert menus for the week, considering the given restrictions.
To determine the number of different dessert menus for the week, we need to consider the restrictions of not serving the same dessert two days in a row and having cake on Friday.
We can approach this problem by considering the dessert options for each day of the week:
1. Sunday: There are four options for the dessert.
2. Monday: Since the same dessert cannot be served two days in a row, there are three options for the dessert.
3. Tuesday: Similarly, there are three options for the dessert.
4. Wednesday: Again, three options for the dessert.
5. Thursday: Three options for the dessert.
6. Friday: The dessert must be cake because of the birthday, so there is only one option.
7. Saturday: Since the same dessert cannot be served two days in a row, there are three options for the dessert.
To calculate the total number of different dessert menus, we multiply the number of options for each day:
Total number of dessert menus = 4 * 3 * 3 * 3 * 3 * 1 * 3
= 324
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what is the result of 2.130 x 10³ - 6.6 x 10² =
Answer:
The answer you're looking for is 1470.
Step-by-step explanation:
The method I used was PEMDAS
Since there was no parenthesis, I simplified the exponents.
2.130 x 10³ - 6.6 x 10² = ?
2.130 x 1000 - 6.6 x 100 = ?
After that, I multiplied all terms next to each other.
2.130 x 1000 - 6.6 x 100 = ?
2130 - 660 = ?
The final step I did was to subtract the two final terms and ended up with 1470 as my final answer.
1470 = ?
I hope this was helpful!
Write the equation of the line that passes through the points (-6,1) and
(-2,4). Put your answer in fully reduced point-slope form, unless it is a
vertical or horizontal line.
Answer:
y - 1 = 3/4 * (x + 6)
Step-by-step explanation:
ANSWER ASAP! george has to fix his car. the mechanic charges $20 to asset the car and $15 each hour it takes to fix the car. write an expression to find how much george will pay to fix the car after h hours.
Answer:
20 + (15h)
Step-by-step explanation: It would be 15 times the amount of hours and then 20 added to that.
a circle in the coordinate plane passes through points (-3,-2) and (1,4). what is the smallest possible area of that circle?
The smallest possible area of the circle with the points (-3,-2) and (1,4) is 13π.
Given, the endpoints of the circle are given:
(-3,-2) = (x₁,y₁)
(1,4) = (x₂,y₂)
The circle with the smallest possible area that passes through the points (-3, -2) and (1, 4) is a circle with a diameter whose endpoints are these two points.
we are asked to determine the area of the circle = ?
first calculate the distance between the points:
distance = √(x₁-x₂)²+(y₁-y₂)²
d = √(-3-1)²+(-2-4)²
d = √(-4)² + (-6)²
d = √16+36
d = √52
d = 2√13
Thus, the radius has a length of r = √13,
and the area of the circle is A = π x (√13)²
= 13π.
Hence we get the area of the circle as 13π..
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what is the standard notation for the distance of 2.4x10^5 miles
Answer:
240,000
Step-by-step explanation:
You have to add 4 zeros to the answer and remove the decimal point to get the answer.
If you liked this answer please mark "Brainliest".
The ice-cream parlour sells 5 chocolate cones for every 3 vanilla cones it sells. On Saturday, 30 vanilla cones were sold. How many chocolate cones were sold that day?
Answer:
3:5 or 3/5 is equal to 30:50 or30/50
so the answer is 50 chocolate cones
Which of the following is not a type of effectiveness MIS metric?
Customer satisfaction
Conversion rates
Financial
Response time
"Financial" as it is not an effectiveness MIS metric.
To determine which one is not an effectiveness MIS metric, we need to understand the purpose of these metrics. Effectiveness MIS metrics measure how well a system is achieving its intended goals and objectives.
Customer satisfaction is a common metric used to assess the effectiveness of a system. It measures how satisfied customers are with the product or service provided.
Conversion rates refer to the percentage of website visitors who complete a desired action, such as making a purchase. This metric is often used to assess the effectiveness of marketing efforts.
Financial metrics, such as revenue and profit, are crucial indicators of a system's effectiveness in generating financial returns.
Response time measures the speed at which a system responds to user requests, which is an important metric for evaluating system performance.
Therefore, based on the given options, "Financial" is not a type of effectiveness MIS metric. It is a separate category of metrics that focuses on financial performance rather than the overall effectiveness of a system.
In summary, the answer is "Financial" as it is not an effectiveness MIS metric.
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Can you please help me solve this?
The value of angle x = 39° using angle sum property.
An angle meaning is what?An angle is a shape in Euclidean geometry composed of two rays, referred to as the sides of circle, that diverge at the angle's tip and the peak, which is situated in the middle. Within the plane they are located in, two rays can join to form an angle. Angle is another outcome of two objects interacting. They are known as dihedral angles. Two line beams with ends can be arranged in a variety of ways to create an angle in 2 dimensions.
Here,
The angle opposite to 68 is vertically opposite angle,
And the angle adjoining 107 is linear pair of 107,
⇒ 180 - 107 = 73°
Now, using angle sum property,
the value of x will be -
68 + 73 + x = 180
141 + x = 180
x = 180 - 141
x = 39°
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Complete question -
Find x -
(-7)·(-7)·5·5·5·5 rewrite it with exponents please
Question 6
The equation of the line is y= 17. 63x+ 27. 52. What is
the best interpretation of the slope of the line?
Aidan's Savings
Aidan can expect to save about $17. 63
every 27. 52 days.
180
160
140
120
Aidan can expect to save about $27. 52
every 17. 63 days.
Total Amount Saved ($)
100
80
60
Aidan can expect to save about $27. 52
each week.
20
0
0 1 2 3 4 5 6 7 8 9
Number of Weeks
Aidan can expect to save about $17. 63
each week.
The best interpretation is that Aidan can expect to save about $17.63 each week.
The best interpretation of the slope of the line y = 17.63x + 27.52 is:
Aidan can expect to save about $17.63 each week.
In the given equation, the coefficient of x (which represents time) is 17.63. This indicates the rate of change in the dependent variable (y), which in this case represents the amount of money saved. The positive slope indicates that as time (x) increases, the amount of money saved (y) also increases.
Therefore, the best interpretation is that Aidan can expect to save about $17.63 each week.
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What is the mode for this list of numbers? 5, 9, 12, 11, 12, 19, 18
The mode is one of the measures of central tendency in statistics. It represents the number that appears most frequently in a given list of numbers. In the example above, the mode for the list of numbers {5, 9, 12, 11, 12, 19, 18} is 12.
The mode is defined as the number that occurs most frequently in a list of numbers. In a set of numbers, there can be one mode, more than one mode, or no mode at all.
To find the mode for the list of numbers {5, 9, 12, 11, 12, 19, 18}, we need to identify the number that appears most frequently. Here, we can observe that 12 is the number that appears twice, while all the other numbers only appear once.
Therefore, the mode for this list of numbers is 12. It's important to note that if there are multiple numbers that appear with the same highest frequency, then all of them are considered as modes. For instance, if the list of numbers was {5, 9, 12, 11, 12, 19, 19, 18}, then both 12 and 19 would be modes since they each appear twice.
In conclusion, the mode is one of the measures of central tendency in statistics. It represents the number that appears most frequently in a given list of numbers. In the example above, the mode for the list of numbers {5, 9, 12, 11, 12, 19, 18} is 12.
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A set of line segments has the lengths, 4,10, and 12. Would the segments form a triangle?
Answer:
Yes, the segments would form a triangle.
Step-by-step explanation
If the two shortest lengths are equal to or greater than the longest, it can form a triangle.
Answer:
yes
Step-by-step explanation:
Add any two sides and see if it is greater than the third for all three sides
4+10 > 12 true
10+12 > 4 true
12+4 > 10 true
Then the three sides form a triangle
Two numbers that add to 4 and multiply to -21.
WHERE ARE THE EXPERTS AND ACE!!!!!!! I NEED HELP PLS SHARE YO SMARTNESS!!!!! WILL GIVE BRAINLIEST AND RATE AND VOTE!!!
2 questions
Answer:
Confidence Interval - "P" values
(0.4433 , 0.5444 )
~~~~~~~~~~~~~~~~~~~~~~~
\(\mathrm{Expand\:}\left(x+4y\right)^3:\quad x^3+12x^2y+48xy^2+64y^3\)
in you image it is the last on "D"
Step-by-step explanation:
Confidence Level - "P" values
99% 2.58
Confidence Interval - "P" values
(0.4433 , 0.5444 )
simplify the expression -2(2-2w)
Answer:
brainliest plssss
Step-by-step explanation:
−2(2−2w)
=(−2)(2+−2w)
=(−2)(2)+(−2)(−2w)
=−4+4w
=4w−4
Office Supplies: The Office Supplies account started the year with a $4,000 debit balance. During the year, the company purchased supplies for $13,400, which added to the Office Supplies Account. The inventory of supplies available at the end of the year totaled $2,554.
1. The beginning balance of Office Supplies:
2. The amount to be adjusted (show your calculation):
3. The ending balance of the account after the adjustment (show your calculation):
4. Adjusting Journal Entry (please include description):
1.The beginning balance should be $4,000
2.The amount to be adjusted is $2554
3.The ending balance of the account after the adjustment $2554
4. Office Supplies Account is $14846
"Information available from the question"
The Office Supplies account started the year with a $4,000 debit balance
The company purchased supplies for $13,400,
The inventory of supplies available at the end of the year totaled $2,554.
Now, According to the question:
1. The beginning balance should be $4,000
2.The adjusted amount is
Opening balance = 4000
Add: New purchases = 13400
Balance after Purchase = 17400
Less: Year end balance = 2554
3. The ending balance is $2,554
4. The adjusting journal entry is
Dr. Supplies Expense Account is 14846
Adjustment in the year = Cr. 14846 (subtracted from the balance)
Office Supplies Account is 14846
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Use a calculator to find an angle that has a tangent of five-fourths. Round your answer to the nearest degree. Verify your answer by using a right triangle. A. 51º c. 60º b. 45º d. 57º
The
tangent
of the angle in the right triangle is equal to five-fourths, confirming that the angle is approximately 51 degrees. Therefore, the correct answer is option A: 51º.
To find the angle that has a tangent of five-fourths, we can use the inverse tangent function (
arctan
) on a calculator. The inverse tangent function gives us the angle whose tangent is a given value.
Using a calculator, we can input the value 5/4 or 1.25 and find the corresponding angle:
arctan(5/4) ≈ 51.34
degrees
Rounding to the nearest degree, the angle that has a tangent of five-fourths is approximately 51 degrees.
To verify this result using a
right triangle
, we can construct a right triangle where the length of the side opposite the angle is 5 units and the length of the side adjacent to the angle is 4 units. We can then calculate the tangent of the angle and check if it is indeed equal to five-fourths.
Let's label the angle as θ. Using the given side lengths, we have:
Opposite side = 5
Adjacent side = 4
Tangent(θ) = Opposite side / Adjacent side = 5/4 = 1.25
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Enrique y Silvia van a dar una fiesta a su nieta
Sofía y desean saber cuántos niños como máxi-
mo deben invitar; el dinero que tienen está re-
presentado por D= $ 7 500x y los gastos están
representados por G = $ 5 900x + 25.
La cantidad máxima de niños que pueden invitar Enrique y Silvia a la fiesta de su nieta, Sofía, es x = 10.
Enrique y Silvia van a dar una fiesta a su nieta Sofía y desean saber cuántos niños como máxi-mo deben invitar; el dinero que tienen está re-
presentado por D= $ 7 500x y los gastos están representados por G = $ 5 900x + 25.
Establecer la ecuación.
D = 7500x - G
7 500x - 5 900x - 25 = 0
Resolver la ecuación.
1 500x = 25
x = 10
Interpretar la solución.
La cantidad máxima de niños que pueden invitar Enrique y Silvia a la fiesta de su nieta, Sofía, es x = 10.
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Simplify (7x) - (-2x).
A.-9x
B.-5x
C.9x
D.5x
Answer:
Step-by-step explanation:
7x - (-2x) = 7x + 2x
= 9x
a high school theater club has 40 student, 6 of whom are left handed. two student will be selected at random, one at a time without replacement. what is the pobability that the 2 student selected will both be left-handed/
1.92% is the probability .
Describe probability using an example?
By dividing the number of preferable possibilities by the total number of potential outcomes, probability, which measures the likelihood that an event will occur, is obtained. The most basic illustration is a coin toss. There are only two outcomes that can occur when you flip a coin: either heads or tails.The probability of an event is the ratio of the size of the event space to the size of the sample space.
The size of the sample space is the total number of possible outcomes
The event space is the number of outcomes in the event you are interested in.
so
Let
x------> size of the event space
y-----> size of the sample space
so
P = x/y
Find out the probability that the first student selected will be left-handed
we have
x = 6
y = 40
substitute
P = 6/40
Simplify
P = 3/20
the probability that the second student selected will be left-handed
we have
x = 6 - 1 = 4
y = 40 -1 = 39
substitute
P = 5/39
the probability that the 2 students selected will both be left-handed
Multiply the probabilities
P = 3/20(5/39) = 15/780
Convert to percentage
Multiply by 100
15/780 * 100 = 1.92%
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What is the volume of the cylinder?
A 75 cubed meters
B) 883.6 cubed meters
C 235.6 cubed meteres
D) 3534.3 cubed meters
Answer:
B) 883.6
Step-by-step explanation:
V=πr^2h
radius= 7.5
V=π(7.5)^2(5)
V= 883.6
A ladder is leaning against a wall at an angle of 70° with the ground. The distance along the ground is 86cm. Find the length of the ladder
Answer:
\(\boxed{x = 251.4 cm}\)
Step-by-step explanation:
Part 1: Sketching the triangle
We are given the angle of elevation, 70°, and the distance along the ground, 86 centimeters. Our unknown is a ladder leaning against the building. Buildings are erected vertically, so the unknown side length is the hypotenuse of the triangle.
We can then sketch this triangle out to visualize it (attachment).
Part 2: Determining what trigonometric ratio can solve the problem
Now, we need to refer to our three trigonometric ratios:
\(sin = \frac{opposite}{hypotenuse}\)
\(cos = \frac{adjacent}{hypotenuse}\)
\(tan = \frac{opposite}{adjacent}\)
Visualizing the sketched triangle, we can assign the three sides their terms in correspondence to the known angle -- this angle cannot be the right angle because the hypotenuse is opposite of it.
Therefore, we know our unknown side length is the hypotenuse of the triangle and because the other side is bordering the 70° angle, it is the adjacent side.
By assigning the sides, we can see that we need to use the trigonometric function that utilizes both the hypotenuse and the adjacent side to find the angle. This is the cosine function.
Part 3: Solving for the unknown variable
Now that we have determined what side we need to solve for and what trigonometric function we are going to use to do so, we just need to plug it all into the equation.
The cosine function is provided: \(cos( \alpha) = \frac{adjacent}{hypotenuse}\), where \(\alpha\) is the angle. We just need to plug in our values and solve for our unknown side; the hypotenuse.
\(cos (70) = \frac{86 cm}{x}\), where x is the unknown side/the hypotenuse.
\(x * cos (70) = \frac{86 cm}{x} * x\) Multiply by x on both sides of the equation to eliminate the denominator and make the unknown easier to solve for.
\(\frac{xcos (70)}{cos(70)} = \frac{86 cm}{cos(70)}\), Evaluate the second fraction because the first one cancels down to just the unknown, x.
\(\frac{86}{cos(70)} = 251.4\), round to one decimal place.
Your final answer is \(\boxed{x=251.4cm}\).
z=7x-3-5y solve for x
Answer:
x = \(\frac{z+5y+3}{7}\)
Step-by-step explanation:
z = 7x - 3 - 5y ( add 5y to both sides )
z + 5y = 7x - 3 ( add 3 to both sides )
z + 5y + 3 = 7x ( isolate x by dividing both sides by 7 )
\(\frac{z+5y+3}{7}\) = x
can anyone help me? please hurry!
I need help on Question 25 please ASAP
Answer: - 13
USE BEDMAS to solve:
-3 · 5 + (-1)^4 · 8 - 6
= -3 · 5 + 1 · 8 - 6
= -15 + 8 - 6
= -13
Answer: -13
Step-by-step explanation:
used a calculator to solve