Answer:
Step-by-step explanation:
a) The probability that the customer is a good risk is given by the ratio of the number of good risks to the total number of customers. Therefore:
P(customer is a good risk) = 7751/11124 = 0.6968 (rounded to four decimal places)
b) The probability that the customer is not a poor risk is equal to the probability that the customer is a good risk or a medium risk. Therefore:
P(customer is not a poor risk) = P(customer is a good risk or a medium risk)
= P(customer is a good risk) + P(customer is a medium risk)
= (7751 + 2426) / 11124
= 0.9239 (rounded to four decimal places)
Question 1 of 10
cos(7)=—
О А. У
OB.
-12
O C. - 12/2
с.
OD. -√3
Go off the photo not what is typed
The value of cos(7π/6) = -√3/2
Explain values
Values are principles or beliefs that guide our behavior and decision-making. They are deeply ingrained in our personalities and are shaped by our upbringing, culture, and experiences. Values can be ethical, moral, social, or personal and influence how we prioritize our goals and interact with others. Understanding our own values can help us make better choices, build stronger relationships, and lead a more fulfilling life.
According to the given information
The cosine of π/6 is √3/2, so the cosine of 7π/6 is:
cos(7π/6) = -cos(π/6) = -√3/2
Therefore, cos(7π/6) = -√3/2.
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Answer:
-√3/2
Steps:
Rewrite the angle as a sum or difference with its reference angle:cos ([tex]\pi[/tex] + [tex]\frac{\pi }{6}[/tex])
Simplify the expression using the general reduction formula: -([tex]\frac{\pi }{6}[/tex])
Evaluate the expression: -√3/2
the temperature at 8 a.m. was -8.7 F. At 1 p.m. it was 9.3 F. What integer represents the change in the temperature from morning to afternoon?
The integer that represents the change in temperature from morning to afternoon is 18.
What is integer?The group of counting numbers that can be written without a fractional component includes zero and both positive and negative integers. An integer can, as was already established, be either positive, negative, or zero.
To find the change in temperature from morning to afternoon, we need to subtract the morning temperature from the afternoon temperature:
9.3 F - (-8.7 F) = 9.3 F + 8.7 F = 18 F
Therefore, the integer that represents the change in temperature from morning to afternoon is 18.
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x^2+y^2+6x+2y-6=0 what is the center of this circle? what is the radius of this circle?
Answer:
center : (-3, -1) radius : 4
It costs $350 to spend 4 nights at the Econo Motel. It costs $475 to spend 6 nights at the Bluebird Inn. Which of these statements is true?
Answer: A
Step-by-step explanation: The bluebird Inn is more expensive per night because 475 is greater than 350.
What is the price per cubic inch for the regular size popcorn
the price per cubic inch for the regular size popcorn is #29.85
How to determine the price?You should understand that Price is what a buyer pays to acquire products from a seller. It takes into account the overall value of the offering, including the value of all raw materials and service that went into making an offering, as well as its markup or margin
The popcorn has 6 faces and the area of the popcorn is given as
Area = LBH
Length
Bredth
Height
Area= 3*5*6 = 90 cm²
Therefore, Price is given as $1.99
This implies that 1.99*90 = $179.1
Therefore the price per inch is 179.1/6 = #29.85
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find the value of x
Therefore, the value of x in the right triangle is 24 cm.
What is triangle?A triangle is a two-dimensional geometric shape that has three straight sides and three angles. It is formed by connecting three non-collinear points. The sum of the interior angles of a triangle is always 180 degrees, and the measure of each angle depends on the lengths of the sides and the type of triangle. There are different types of triangles based on their side and angle measures, such as equilateral, isosceles, scalene, acute, right, and obtuse triangles. Triangles have various properties and formulas that are used in geometry and other fields.
Here,
In a right triangle, the side opposite to the right angle is the longest side and is called the hypotenuse. Therefore, in this case, 25 cm is the hypotenuse of the triangle.
Using the Pythagorean Theorem, we can find the missing length x:
a² + b² = c²
where a and b are the lengths of the legs of the right triangle and c is the length of the hypotenuse.
In this case, a = 7 cm, b = x, and c = 25 cm.
Substituting these values into the Pythagorean Theorem, we get:
7² + x² = 25²
49 + x² = 625
x² = 625 - 49
x² = 576
x = √576
x = 24
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A student attempted to solve the system 5x + 2y = 10 and 10x + 2y = 1 by graphing. The graph and the conclusion are
below. What can you say about the student's work?
y
-10x + 2y = 1
5x + 2y = 10
The soluion is ().
O The solution is incorrect because the student did not correctly identify the intersection.
O The solution is correct and the lines are graphed correctly.
O The solution is correct, but the lines were graphed incorrectly.
O The solution is incorrect because the lines are not graphed correctly.
Answer:
Option A: The solution is incorrect because the student did not correctly identify the intersection.
Step-by-step explanation:
Solve by elimination method.
5x + 2y = 10; -10x + 2y = 1
Multiply the second equation by -1, then add the equations together.
(5x + 2y = 10)
-1 (-10x + 2y = 1)
Forms:
5x + 2y = 10
10x - 2y = -1
Add these equations to eliminate y.
15x = 9
Then solve 15x = 9 for x:
15x = 9
15/15 = 9/15 (Divide both sides by 15)
x = 3/5
Now that we've found x let's plug it back in to solve for y.
Write down the original equation:
5x + 2y = 10
Substitute 3/5 for x in:
5x + 2y = 10:
5(3/4)+2y=10
2y+3=10
2y+3-3=10+-3
2y=7
2y/2 = 7/2
y = 7/2
x = 3/5 and y = 7/2.
Comparing the identified answers to the one found by the students, it can be concluded that Option A: The solution is incorrect because the student did not correctly identify the intersection.
Solve the equation using suntraction. Show all your work. X-6y=11 and 2x-5y=1
Answer:
To solve the system of equations using subtraction, you need to eliminate one of the variables by adding or subtracting the equations. In this case, we can eliminate x by multiplying the first equation by 2 and subtracting it from the second equation:
2x - 5y = 1
- (2(x - 6y) = 2x - 12y = 22)
------------------------
-17y = -21
Now we can solve for y:
-17y = -21
y = (-21) / (-17)
y = 1.2353
Substitute y into one of the original equations to solve for x:
x - 6y = 11
x - 6(1.2353) = 11
x - 7.4118 = 11
x = 18.4118
Therefore, x = 18.4118 and y = 1.2353.
I hope this helps!
Simplify the expression.
9 • (–1) – 20 ÷ (–10)
A–11
B2
C–7
D–2
Answer: C) -7.
Step-by-step explanation:
9 • (–1) – 20 ÷ (–10)
= -9 - (-2)
= -9 + 2
= -7
Therefore, the answer is C) -7.
The perimeter of the given triangle is 3x² + 2 units
and its two sides are given in the figure. Find its
third side.
Step-by-step explanation:
Perimeter is the total of all three sides added together:
2x^2 + x + 3x^2 -3 + ? = 3x^2 + 2 Simplify a bit on the L
5x^2 + x -3 + ? = 3x^2 + 2 subtract 5x^2 from both sides
x-3 + ? = - 2x^2 + 2 subtract x from both sides
-3 + ? = - 2x^2 - x + 2 finally, add 3 to both sides
? = - 2x^2 -x + 5
Find the unknown side length of the rectangle if its area is 11 m
Thus, the unknown side length of rectangle for the given area and one side length is found to be 5.5 m.
Explain about the rectangle:Every day, rectangles are all around us. All of these objects—doors in a home, windows in a structure, and books in a library—are rectangles.
A rectangle is a shape having four sides and four right angles (90-degree angles). Given their versatility, rectangles are excellent forms. Rectangles are frequently used in patterns and motifs in brick fireplaces and floor tiles since their right angles blend well with those of other shapes and rectangles.Given that:
area of rectangle 11 m².side length = 2 mArea of rectangle A = length * width
width = area / length
width = 11 / 2
width = 5.5
Thus, the missing side of rectangle for the given area and one side length is found to be 5.5 m.
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Complete question:
Find the unknown side length of the rectangle if its area is 11 m² and one of its side is 2 m.
find the smallest number that is a multiple off all 2,3,4,5,6,8 and 9
LCM = 2x2x2x3x3x5= 360. 360*3 = 1080. So the smallest 4-digit number is 1080. Answer.
10. What is the toxic life of nuclear waste?
O 100,000 years
10,000 years
O 100 years
1 million years
Nuclear waste needs to be safely stored for up to a million years, so the answer is 1 million years.
5. center (-4,-7), tangent to x = 2
The equation of the circle is therefore: [tex](x + 4)^2 + (y + 7)^2 = 36[/tex]
What is circle?
A circle is a two-dimensional geometric shape that consists of all the points that are equidistant from a single fixed point called the center.
To find the equation of a circle with center (h, k) and radius r, the general equation is:
[tex](x - h)^2 + (y - k)^2 = r^2[/tex]
In this case, the center of the circle is (-4, -7) and the circle is tangent to the vertical line x = 2. This means that the radius of the circle is the distance from its center to the line x = 2, which is 6 units.
The equation of the circle is therefore:
[tex](x - (-4))^2 + (y - (-7))^2 = 6^2\\\\(x + 4)^2 + (y + 7)^2 = 36[/tex]
Alternatively, we can also find the equation of the circle by using the fact that the line passing through the center of the circle and the point of tangency is perpendicular to the tangent line. Since the tangent line x = 2 is vertical, the line passing through the center (-4,-7) and the point of tangency must be horizontal, and its equation is y = -7.
The distance from the center (-4,-7) to the point of tangency on the line x = 2 is the radius of the circle, which is 6 units. The x-coordinate of the point of tangency is 2, so the distance from (-4,-7) to (2,-7) is 6 units. Therefore, the center of the circle (-4,-7) is 6 units away from the point (2,-7) along a horizontal line.
The equation of the circle is therefore:
[tex](x - (-4))^2 + (y - (-7))^2 = 6^2\\\\(x + 4)^2 + (y + 7)^2 = 36[/tex]
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a single rose costs 3$ and a bunch of roses costs 12$.How many times as much does the bunch of roses cost than the single rose?
The bunch of roses costs $12/$3 = 4 times as much as a single rose.
What is arithmetic sequence?
An arithmetic sequence is a sequence of numbers in which each term after the first is found by adding a fixed constant number, called the common difference, to the preceding term.
The bunch of roses costs 4 times as much as a single rose.
To see why, we can divide the cost of the bunch of roses by the number of roses it contains. If a bunch of roses costs $12 and contains, say, 4 roses, then each rose in the bunch costs $3. On the other hand, a single rose costs $3 on its own.
Therefore, the bunch of roses costs $12/$3 = 4 times as much as a single rose.
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ixl What is the surface area of this cylinder? Use ≈ 3.14 and round your answer to the nearest hundredth. 15 cm 16 cm
We have to calculate the surface area of the cylinder.
It has a base diameter of 16 inches and a height of 15 inches.
The surface area will be equal to the sum of the area of the base, the area of the top (that is equal to the area of the base) and the lateral surface.
The area of the base can be calculated as:
[tex]\text{A}_{\text{b}}=\dfrac{\pi \text{D}^2}{4}[/tex]
[tex]\text{A}_{\text{b}}=\dfrac{3.14\times16^2}{4}[/tex]
[tex]\text{A}_{\text{b}}=\dfrac{3.14\times256}{4}[/tex]
[tex]\text{A}_{\text{b}}=200.96[/tex]
The lateral surface will be equal to the circumference of the base times the height. We then can calculate it as:
[tex]\text{A}_\text{l}}=(\pi \text{D})\text{h}[/tex]
[tex]\text{A}_\text{l}}=3.14\times16\times15[/tex]
[tex]\text{A}_\text{l}}=753.60[/tex]
Then, we can calculate the surface area of the cylinder as:
[tex]\text{A}=\text{A}_\text{b}}+\text{A}_\text{l}}+\text{A}_\text{l}}[/tex]
[tex]\text{A}=200.96+200.96+753.60[/tex]
[tex]\text{A}=1155.52[/tex]
Answer: the surface area is 1155.52 in²
There is a 25% chance that a vowel is drawn from a bag of random letter tiles. what is the probability of drawing a vowel, placing it back in the bag, and then drawing a consonant
The probability of drawing a vowel, placing it back in the bag, and then drawing a consonant is 0.1875 or 18.75%.
The probability of drawing a vowel from the bag of random letter tiles is 25%. Since the tile is replaced after drawing, the probability of drawing a vowel on the second draw is also 25%.
The probability of drawing a vowel and then a consonant can be calculated by multiplying the probabilities of each event:
P(vowel and consonant) = P(vowel) x P(consonant)
= 0.25 x 0.75
= 0.1875
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center (-4, -7), tangent to x = 2
Answer:
(x + 4)^2 + (y + 7)^2 = 36
Step-by-step explanation:
The given information describes a circle with its center at (-4, -7) and tangent to the vertical line x = 2. To determine the radius of the circle, we need to find the distance between the center and the tangent line.
The distance between a point (x1, y1) and a line Ax + By + C = 0 is given by:
d = |Ax1 + By1 + C| / sqrt(A^2 + B^2)
In this case, the equation of the line is x = 2, which can be written as 1x + 0y - 2 = 0. Therefore, A = 1, B = 0, and C = -2. The center of the circle is (-4, -7), so x1 = -4 and y1 = -7. Substituting these values into the formula, we get:
d = |1*(-4) + 0*(-7) - 2| / sqrt(1^2 + 0^2)
d = |-6| / sqrt(1)
d = 6
Therefore, the radius of the circle is 6 units. The equation of a circle with center (h,k) and radius r is given by:
(x - h)^2 + (y - k)^2 = r^2
Substituting the values we have found, we get:
(x + 4)^2 + (y + 7)^2 = 36
This is the equation of the circle that satisfies the given conditions.
The wholesale cost of a dining room table is $1,315,80. The selling price of the table is $1,776.33. What is the markup for the table?
A 10%
B 35%
C 65%
D 90%
well, the markup is 1,776.33 - 1,315,80 = 461.33.
now, if we take 1315.80(origin amount), what is 461.33 off of it in percentage?
[tex]\begin{array}{ccll} Amount&\%\\ \cline{1-2} 1315.80 & 100\\ 461.33& x \end{array} \implies \cfrac{1315.80}{461.33}~~=~~\cfrac{100}{x} \\\\\\ 1315.8x=46133\implies x=\cfrac{46133}{1315.8}\implies x\approx 35[/tex]
Find the sum of the terms. The numerator of the simplified sum is .
Answer:
I apologize, but the statement you provided is incomplete. The numerator of the simplified sum is missing. In order to find the sum of the terms, we need complete information, including the numerator and denominator of the fraction or expression. Please provide the complete statement or equation so that I can assist you accurately.
FIND THR CIRCUMFERENCE OF A CD THAT HAS A RADIUS OF 6 CENTIMETERS
___cm
Answer:
Hm
Step-by-step explanation:
The formula to find the circumference of a circle is:
Circumference = 2πr
Where "r" is the radius of the circle, and "π" (pi) is a mathematical constant approximately equal to 3.14.
Substituting the given value of radius, we get:
Circumference = 2 x π x 6
Circumference = 12π
Circumference ≈ 37.7 cm (rounded to one decimal place)
Therefore, the circumference of a CD that has a radius of 6 centimeters is approximately 37.7 cm.
Spring Basketball Tournament Expenses and Income Guidelines:
1. A permit for the event is required and costs $75.60. It takes 8 hours to run a tournament for 8 teams.
2. Each player will be charged a $32 entry fee.
3. There will be exactly 8 players on each team.
4. The rent for a gym in a high school is $62.50 an hour.
5. A caretaker must be present for a Saturday permit and earns $56 an hour.
Will your Spring Basketball Tournament fundraiser make money? What adjustments might you make to this tournament to ensure that it is more profitable? Show your work and explain your thinking below.
Christine is reviewing her credit scores form the three major credit bureaus. Her experian score is 765 her equifax score is 748, and her transunion score is 758 what is Christine’s median credit score? (Round to the nearest whole point if applicable)
Answer: To find the median credit score, we need to arrange the three scores in order from lowest to highest:
748, 758, 765
The median is the middle value in this ordered list. Since there are three scores, the median is the second score, which is 758.
Therefore, Christine's median credit score is 758.
Step-by-step explanation:
Which is NOT the same as asking:
What is the logarithm of 1,296 if the base is 6?
In ΔHIJ, h = 33 cm, i = 61 cm and j=39 cm. Find the area of ΔHIJ to the nearest square centimeter.
Thus, the area of ΔHIJ using the Heron's formula is found as 580.47 square centimeter.
Explain about the Heron's formula:Heron of Alexandria (c. 62 ce) is credited with developing the Heron's formula, which determines the area of a triangle in regards of the lengths of its sides. If the side lengths are represented by the symbols a, b, and c: √s(s - a)(s - b)(s - c)
where s = half the perimeter,
s = (a + b + c)/2.
given data:
In ΔHIJ,
h = 33 cm, i = 61 cm and j =39 cm.semi -perimeter s = (i + j + h) / 2
s = (33 + 61 + 39) / 2
s = 66.5
Now,
s - h = 66.5 - 33 = 33.5
s - i = 66.5 - 61 = 5.5
s - j = 66.5 - 39 = 27.5
area of ΔHIJ = √s(s - h)(s - i)(s - j)
area of ΔHIJ = √66.5*33.5*5.5*27.5
area of ΔHIJ = √336947.1875
area of ΔHIJ = 580.47
Thus, the area of ΔHIJ using the Heron's formula is found as 580.47 square centimeter.
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You have a chance to buy an annuity that pays $1,000 at the end of each year for 5 years. You could earn 6% on your money in other investments with equal risk. What is the most you should pay for the annuity?
Answer:
Step-by-step explanation:
To determine the most you should pay for the annuity, you can use the present value formula for an annuity.
PV = C * [(1 - (1 + r)^(-n)) / r]
where PV is the present value, C is the annual cash flow, r is the interest rate, and n is the number of periods.
In this case, C is $1,000, r is 6%, and n is 5 years. Plugging these values into the formula, we get:
PV = $1,000 * [(1 - (1 + 0.06)^(-5)) / 0.06]
PV = $4,212.10
Therefore, the most you should pay for the annuity is $4,212.10. If you pay more than this amount, you would be better off investing your money elsewhere at a 6% interest rate.
Chef Lori uses 1 1/4 cup of milk for every 3/4 cup of broth in her soup recipe. This recipe will feed 4 people. Lori is making soup for a banquet that will feed 120 people. How many gallons of milk and broth combined does she need.
Answer: To make soup for 4 people, Lori needs 1 1/4 cups of milk for every 3/4 cup of broth. Therefore, the ratio of milk to broth is:
(1 1/4 cups milk) / (3/4 cup broth) = (5/4 cups milk) / (3/4 cups broth) = (5/3) cups milk per cup of broth
To make soup for 120 people, Lori needs to multiply the ratio by 30 (120/4) to get the total amount of milk and broth needed:
(5/3 cups milk per cup of broth) * 30 = 50 cups of milk per 30 cups of broth
To convert cups to gallons, we divide by 16 (since there are 16 cups in a gallon):
50/16 = 3.125 gallons of milk
30/16 = 1.875 gallons of broth
Therefore, Lori needs a total of 3.125 + 1.875 = 5 gallons of milk and broth combined.
Step-by-step explanation:
Question 1 of 10 What is the area, measured in square centimeters, of the green shape pictured below? Do not include units in your answer. Icm 1cm Answer here
21 is the area, measured in square centimeters, of the green shape pictured below.
What is square?
Square, in geometry, a plane figure with four equal sides and four right (90°) angles. A square is a special kind of rectangle (an equilateral one) and a special kind of parallelogram (an equilateral and equiangular one).
the area of a parallelogram, we can split this shape up into a rectangle and two right triangles.
The rectangle:
The rectangle has dimensions of 4 by 3 centimeters therefore the area would be 4*3=12 cm squared
two right triangles:
The area of a triangle is 1/2 base * height, but since there are two triangles it would just be the base times the height. The base is 3 cm and the height is 3 so 3*3=9
Next, we add the two areas together: 12+9 = 21
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Working with Actual Interest Earned
Debrorah puts $300 in a CD that earns 3.0% APR, compounded
quarterly, for 1 year. She is taxed at a rate of 20% on the interest she
earns. She takes her money out after 9 months and pays the penalty
fee of 1 quarter's interest.
Deposit
PENALTY
7. What is the total amount of interest that Deborah earns, after taxes?
Type answer here.
The account has an annual interest rate of 6.80%, compounded continuously.
What is interst rate?Interest is the cost associated with the boring money or to return on for lending money it is typically expressed as a percent of the principal amount borrowed or lent and usually the paid periodically over the life of loan interest can also be on from investment such as saving account bonds and the other financial instrument.
The interest rate of the account can be calculated as follows:
Rate = ln(1,698.49/1,051)/(8×ln(1))
Rate = 0.0680 or 6.80%
This means that the account has an annual interest rate of 6.80%, compounded continuously.
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20. The volume of a large crate is 84 yd³. It is 23 yd wide and 4 yd high. What is the length of the crate?