how many ways can rudy choose 6 pizza toppings from a menu of 14 toppings if each topping can only be chosen once?
Rudy has 3003 different ways to choose 6 toppings from a menu of 14 toppings if each topping can only be chosen once.
The number of ways to choose 6 toppings from a menu of 14 toppings where each topping can only be chosen once is 14!/(14-6)! = 14!/(8!) = 3003. This is because for the first topping, Rudy has 14 options, for the second topping he has 13 options, for the third topping he has 12 options, and so on. To calculate the total number of combinations, we use the formula n!/(n-r)! where n is the number of items and r is the number of items to choose. This formula gives us the number of ways to choose r items from a set of n items without regard to order, which is the number of combinations.
The formula for combinations is given by n!/(n-r)! where n is the number of items and r is the number of items to choose. Here, n = 14 (the number of toppings on the menu) and r = 6 (the number of toppings Rudy wants to choose). So, the number of combinations is 14!/(14-6)! = 14!/(8!).
The factorial (!) is the product of all positive integers up to that number. For example, 4! = 4 x 3 x 2 x 1 = 24.
So, 14! = 14 x 13 x 12 x ... x 2 x 1 = 87178291199, and 8! = 8 x 7 x 6 x ... x 2 x 1 = 40320.
Now, to calculate the number of combinations, we divide 14! by 8!: 14!/(8!) = 87178291199/40320 = 3003.
Therefore, Rudy has 3003 different ways to choose 6 toppings from a menu of 14 toppings if each topping can only be chosen once.
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Find the formulas for the nth term of each sequences
1. 3, 5, 9, 17, ...
2. 2/5, 3/6, 4/7, 5/8, ...
Answer:
1. 2^n + 1.
2. (n +1)/(n + 4)
Step-by-step explanation:
1. 3 5 9 17....
3 = 2^1 + 1
5 = 2^2 + 1
9 = 2^3 + 1
17 = 2^4 + 1
Therefore the nth term is
2^n+ 1 .
2. Looking at the fractions we see that:
Numerators are 2, 3, 4 ,5..
and denominators are 5, 6, 7, 8
So the nth term is
(n + 1) / (n + 4)
Please Help Me! I really need this question answered. I am behind in my work!!!!!
Answer:
The flagpole is 15 ft tall.
Step-by-step explanation:
In this problem, we are asked to create a proportion of similar triangles to solve for the height of a flagpole.
1) Setting up the ProportionWe are given an equation with the proportion:
[tex]\dfrac{h}{6\text{ft}}=\dfrac{\square}{\square}[/tex]
We can fill in the blanks as follows:
[tex]\dfrac{h}{6\text{ft}}=\dfrac{25 \text{ft}}{10 \text{ft}}[/tex]
Notice that the heights of the triangles compared are both in the numerator, and the lengths of both triangles are in the denominator.
2) Solving the ProportionThen, to solve for the height of the flagpole, we can isolate the variable h in the proportion.
[tex]\dfrac{h}{6}=\dfrac{25}{10}[/tex]
↓ multiply both sides by 6
[tex]h = \dfrac{150}{10}[/tex]
↓ simplify the fraction
[tex]h = 15 \text{ ft}[/tex]
So, the flagpole is 15 ft tall.
A submarine starts at the depth of -15 meters and then dives down 0.5 meter every second
The linear function representing the depth of the submarine after t seconds is given as follows:
d(t) = -15 - 0.5t.
How to obtain a linear function?
The slope-intercept definition of a linear function is given as follows:
y = mx + b.
In which:
The slope m represents the rate of change.The intercept b represents the value of y when x = 0.The parameters for this problem are given as follows:
b = -15 -> initial depth of the submarine.m = -0.5 -> each second, the height decays by 0.5.Hence the function is given as follows:
d(t) = -15 - 0.5t.
Missing InformationThe problem asks for the linear function representing the depth of the submarine after t seconds.
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Henry buys candy that costs $4 per pound. He will spend at most $20 on candy. What are the possible numbers of pounds he will buy?
Use p for the number of pounds Henry will buy
Write your answer as an inequality solved for p.
Answer:
5 pounds
Step-by-step explanation:
$20/$4 = 5 pounds
HOPE IT HELPS!
(SAT Prep) Find the value of x.
jyothi is the human resource manager in a company. For the post of 2 data analyst, she has the resume of 3 men and 2 women
1) What will be the probability that no man will be selected
2)What is the probability that both men will get selected
3)If she gets one more resume of a woman, what is the probability that only one man gets selected
Answer: The probability that no man will be selected is the number of ways that only women can be selected divided by the total number of combinations of candidates for the 2 data analyst positions. There are 2 ways to choose 2 women from the 2 available women, and there are C(4,2) = 6 ways to choose 2 candidates from the 3 men and 2 women, so the probability that no man will be selected is 2/6 = 1/3.
The probability that both men will get selected is the number of ways to choose 2 men from the 3 available men divided by the total number of combinations of candidates for the 2 data analyst positions. There are C(3,2) = 3 ways to choose 2 men from the 3 available men, and there are C(5,2) = 10 ways to choose 2 candidates from the 3 men and 2 women, so the probability that both men will get selected is 3/10 = 3/5.
If Jyothi gets one more resume of a woman, there will be a total of 3 men and 3 women. The probability that only one man gets selected is the number of ways to choose 1 man and 1 woman from the 3 men and 3 women divided by the total number of combinations of candidates for the 2 data analyst positions. There are C(3,1) * C(3,1) = 9 ways to choose 1 man and 1 woman, and there are C(6,2) = 15 ways to choose 2 candidates from the 3 men and 3 women, so the probability that only one man gets selected is 9/15 = 3/5.
Step-by-step explanation:
Cameron has a bag of 24 letter tiles. Some are vowles and some are consonants. He randomly chooses a letter tile and places it back in the bag. He chose 4 vowels and 2 consonants. How many vowels are likely in the bag?
In all, Cameron removed 6 tiles (3 consonant vowels and 4 vowel consonants). Take that amount, 6, then divide it by the 24 vowels in total. 24/6=4. It provides you four. Then you multiply that number, 4, by the number of consonant vowels he removed, which is 3, for a total of 6, or 4*2. your response is six vowels.
The five distinct vowel letters are A, E, I, O, and U. The English language has vowels in practically every word and phrase, making them incredibly prevalent. Any letter of the alphabet that isn't a vowel is referred to as a consonant (a, e, i, o, u).All of the non-vowel sounds in the English alphabet are consonants. Vowels, the loud sounds that make up each syllable's core and are separated by consonants. Letters A and O stand in for vowels, whereas B, C, D, F, J, K, M, N, P, Q, S, T, V, X, and Z stand in for consonants.
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How to figure out the area of a right angle triangle
The area of a right triangle can be found by multiplying half of the length of the base by the height.
The formula for the area of a right triangle is:
Area = (1/2) * base * height
It is important to note that the base and height must be perpendicular to each other, forming a right angle in the triangle. If the triangle is not a right triangle, then the area cannot be found using this formula.
To use this formula, simply measure the length of the base and height and plug these values into the formula. The result will be the area of the triangle, expressed in square units.
It is also worth noting that the height and base of a right triangle can be any two sides that form a right angle, not just the sides that are labeled as the base and height.
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the tortoise and the hare are running a 1 km race. after running comfortably for 7 s, the hare is so far ahead that he decides to take a nap under a tree, 100 m away from the finish line. if the tortoise is moving constantly at a speed of 0.27 m/s, and the maximum speed of the hare is 15 m/s, how long can the hare afford to nap if he does not want to lose the race?
The hare can afford to nap for a maximum time of 3,690 seconds without losing the race if his speed is 15 m/s.
After running for 7 seconds, the hare has covered a distance of:
[tex]distance = speed \times time\\distance = 15 \times 7\\[/tex]
distance = 105m
The hare is now 895 m away from the starting line and 100 m away from the finish line.
The hare needs to cover a distance of 100 m to reach the finish line, while the tortoise needs to cover a distance of 895 m.
calculate the time it would take the tortoise to reach the finish line:
[tex]time = \frac{100}{0.27}[/tex] = 3704 seconds
The maximum speed of the hare is 15 m/s, which means the time it would take the hare to cover the distance is:
[tex]time = \frac{100}{15}[/tex] = 6.67 seconds
so, the time hare have to nap so that he does not lose race = 3704 - (7+6.67) ≅3690 seconds
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Three times the quantity of a number increased by 4 is -9. Write the equation and solve
The value of the number is -13/3
What are algebraic expressions?Algebraic expressions are defined as expressions that are composed of arithmetic operations such as subtraction, multiplication, division, addition, bracket and parentheses.
These expressions are also made up of variables, terms, coefficients, constants and factors.
From the information given, we have that;
The number = x
3x + 4 = -9
collect like terms
3x = -9 - 4
subtract the like terms
3x = -13
Make 'x' the subject
x = -13/3
Hence, the value is -13/3
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point a has coordinates (-4,2) point a is translated to the point with coordinates (-1,-3) find as a column vector the vector that describes this translation
Answer:
To solve it, you need to use vectors. Let me show you how.
To find the vector that describes the translation, we need to subtract the coordinates of point A from the coordinates of the translated point. Let the vector be v. Then we have:
v = (-1, -3) - (-4, 2)
v = (-1 + 4, -3 - 2)
v = (3, -5)
To write this vector as a column vector, we write it vertically with square brackets. So we have:
v = [3
-5]
Therefore, the vector that describes the translation is [3
-5].
Step-by-step explanation:
A quadrilateral has two angles that measure 100° and 90°. The other two angles are in a ratio of 7:10. What are the measures of those two angles?
The measures of angles C and D are 70° and 100°, respectively.
Understanding angles is a fundamental concept in geometry. A quadrilateral is a polygon with four sides, and its angles are essential to determining its properties.
Let's start by labeling the angles in the quadrilateral. We know that two angles measure 100° and 90°, so let's label them as A and B, respectively. The other two angles, which we are trying to find, can be labeled as C and D.
Now, we are given that the ratio of angles C and D is 7:10. This means that we can write the following equation:
C/D = 7/10
We can use this equation to solve for one of the angles. Let's choose angle C. We can rewrite the equation as:
C = (7/10)D
We also know that the sum of the angles in a quadrilateral is 360°. Therefore, we can write another equation:
A + B + C + D = 360°
We can substitute the values we know into this equation and solve for angle D:
100° + 90° + (7/10)D + D = 360°
Simplifying the equation:
(17/10)D = 170°
D = 100°
Now that we know the value of angle D, we can use the equation we derived earlier to find the value of angle C:
C = (7/10)D = (7/10) x 100° = 70°
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The class figured out that if the percent increase is 99% from the beginning of the year, the class will have enough money for every student to go on the field trip. How much money will the class need to raise for every student to go
Answer:
Step-by-step explanation:Class Trip Fund Calculation
The class figured out that if the percent increase is 99% from the beginning of the year, the class will have enough money for every student to go on the field trip. How much money will the class need to raise for every student to go
To calculate the amount of money that the class needs to raise, you can use the formula for calculating the amount after a percent increase:
amount = original amount + (original amount * percent increase / 100)
Let's assume that the original amount is x. After a 99% increase, the new amount will be:
x + (x * 99 / 100) = x * 199 / 100
So, to find the original amount, you can set up an equation:
x * 199 / 100 = amount needed for the field trip
And then solve for x:
x = amount needed for the field trip * 100 / 199
So, the class needs to raise an amount equal to the amount needed for the field trip * 100 / 199 to have enough money for every student to go on the field trip.
dilate figure abcd by a scale factor of 3 with the center of dilation at the origin
The dilated figure coordinates will be A(-6,6); B(3,3); C(3,-3); D(-3,0) E.g. If a figure is drawn by the help of lines and the length of all the four lines are equal, then the resultant figure is known as Square Shape.
What are the dilate figures?Figures are nothing but a kind of drawing which we make using lines and arcs. Figures can be 2-D or 3-D. In mathematics these figures are studied by calculating their's area, perimeter, surface area, volume, etc.
In mathematics when we draw a figure using line and arcs and the resultant figure has some specific pre-defined properties then such figures are called shapes.
The coordinates of the given figure ABCD are
A=(-2,2); B=(1,1); C=(1,-1) and D=(-1,0)
As we have to dilate the figure by the factor of 3 from the origin which means we have to enlarge the figure 3 times with same origin, then we simply multiply the coordinates of the given figure by 3.
Dilated coordinates will be
A=(-2×3,2×3)=(-6,6)
B=(1×3,1×3)=(3,3)
C=(1×3,-1×3)=(3,-3)
D=(-1×3,0×3)=(-3,0)
Therefore, New dilated coordinates of the figure are A(-6,6); B(3,3); C(3,-3) and D(-3,0).
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if the work required to stretch a spring 1 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 9 in. beyond its natural length?
The answer is 1.25 ft-lb. This can be calculated by multiplying 15 ft-lb by (9 in. / 12 in. per ft), which equals 1.25 ft-lb. The amount of work needed to stretch a spring 9 inches beyond its natural length is 1.25 ft-lb.
1. Convert 9 in. to feet by dividing 9 in. by 12 in. per ft.
2. Multiply the result (0.75 ft) by 15 ft-lb, which equals 1.25 ft-lb.
The amount of work needed to stretch a spring 9 inches beyond its natural length is 1.25 ft-lb. This can be found by taking the given work required to stretch the spring 1 foot (15 ft-lb) and multiplying it by the ratio of the desired distance (9 in.) to 1 foot (12 in. per ft). First, the desired distance of 9 inches must be converted to feet by dividing it by the conversion factor of 12 inches per foot. This results in 0.75 feet. This number is then multiplied by the given work of 15 ft-lb to yield 1.25 ft-lb of work. This is the amount of work needed to stretch the spring 9 inches beyond its natural length.
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The length of a rectangle is twice its width. The perimeter is 60 ft. Find its area.
Answer:
Step-by-step explanation:
From a hot-air balloon, Violet measures a 24
∘
∘
angle of depression to a landmark that’s 806 feet away, measuring horizontally. What’s the balloon’s vertical distance above the ground? Round your answer to the nearest tenth of a foot if necessary.
Answer:
Area = 200ft²
Step-by-step explanation:
Perimeter of a rectangle = 2(length+width)
Area of a rectangle = length * width
Then:
g = 2w Eq. 1
60 = 2(g+w) Eq. 2
g = length
w = width
From Eq. 2
60 = 2g + 2w
60 - 2g = 2w Eq. 3
matching Eq. 1 and Eq. 3
g = 60 - 2g
g + 2g = 60
3g = 60
g = 60/3
g = 20 ft
From Eq. 1
g = 2w
20 = 2w
20/2 = w
w = 10 ft
Area
area = length * width
area = 20ft * 10 ft
area = 200ft²
can someone please help me(10 points will give brainliest!!!)
Answer:
see explanation
Step-by-step explanation:
the cost C(x) is the total of the number of erasers made and the fixed cost
(a)
let x be the number of erasers
C(x) = 0.16x + 455
(b)
substitute x = 3000 into C(x) for total cost
C(3000) = 0.16(3000) + 455 = 480 + 455 = 935
total cost = $935
How much would $100 invested at 8% interest compounded continuously be
worth after 15 years? Round your answer to the nearest cent.
A (t) = P*e^rt
I really need help with this quetion, this would really help
The estimate for the mean book thickness is 3.2 mm.
What is mean?
In arithmetic, mean is the sum of all the added values of all the data in a set divided by the number of data in the set.
To find the mean book thickness, we can use the formula for the mean (also known as the average):
mean = (sum of all data points) / (number of data points)
Since we don't have the exact thickness of each book, but rather intervals of thickness and the number of books in each interval, we can use a weighted mean to estimate the mean thickness.
Here is the calculation:
First, we'll find the midpoint of each interval:
Interval 1: [0, 2] -> midpoint: x1 = 1
Interval 2: [2, 4] -> midpoint: x2 = 3
Interval 3: [4, 6] -> midpoint: x3 = 5
Next, we'll find the weight of each interval by multiplying the midpoint by the frequency:
Interval 1: x1 * f1 = 1 * 5 = 5
Interval 2: x2 * f2 = 3 * 8 = 24
Interval 3: x3 * f3 = 5 * 7 = 35
Finally, we'll sum up the weights and divide by the total frequency to find the weighted mean:
Weighted mean = (5 + 24 + 35) / (5 + 8 + 7) = 64 / 20 = 3.2
So, the estimate for the mean book thickness is 3.2 mm.
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help me solve this please (please provide work)
Answer:
2x^2 - 12*x/2= Area For Shaded Region
Step-by-step explanation:
This works because you find tha area of both and subtract the shaded area by the unshaded area
Answer: Expression for the area of shades region of the figure = 2[tex]x^{2}[/tex] - 6x
Step-by-step explanation: Area of shaded region = Area of big rectangle - Area of small rectangle
Area of rectangle = length.breadth
Area of big rectangle = 2x.x { . means multiply}
= 2[tex]x^{2}[/tex]
Area of small rectangle = 12.(x/2)
=6x
∴ Area of shaded region = 2[tex]x^{2}[/tex] - 6x
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2. What is the length of the unknown leg of the
right triangle rounded to the nearest tenth of
a foot?
2 ft
8.2
9 ft
Answer:
See below. The answer is 8.8 feet, but none of the options offers this value.
Step-by-step explanation:
I get 8.8 feet.
2^2 + x^2 = 9^2
4 + x^2 = 81
x^2 = 77
x = 8.77496 to be exact.
A baker uses the equation y=12x to predict the revenue generated from selling x cakes she uses equation y=450+4.5x to model the cost to produce x cakes.
The complete question:
A baker uses the equation y = 12x to predict the revenue generated from selling a cakes. She uses equation y= 450 +4.5x to
model the cost to produce a cakes:
What does (60, 720), the solution of the system -450 +4.5x &
y=12x represent?
Solution:-
The solution of the system (-450 + 4.5x, y = 12x) at (60, 720) represents :
a. The point where the revenue generated from selling 60 cakes is 720 dollars
b. The cost to produce those 60 cakes is 720 dollars.
What is a system of equations?In geometry, A system of equations is a collection of two or more equations with the same set of unknown variables. In solving a system of equations, we try to calculate values for each of the unknowns that will satisfy each and every equation in the system.
The given system of equations is:
y = 12x (equation 1)
y = 450 + 4.5x (equation 2)
where x represents the number of cakes produced and sold, y represents the revenue generated from selling x cakes, and 450 + 4.5x represents the cost to produce x cakes.
To find the solution of the system, we can substitute equation 1 into equation 2, and solve for x as follows:
12x = 450 + 4.5x
7.5x = 450
x = 60
Substituting this value of x into equation 1 gives us:
y = 12(60)
y = 720
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Kofi bought 4 books at an average price of 2500 if the total cost of 3 books was 6500 find the cost of the fourth books
The cost of the fourth book is 3500. To find the cost of the fourth book, we used the formula Average Price = Total Cost / Number of Items and calculated the cost to be 3500.
Formula: Average Price = Total Cost / Number of Items.Calculation: Since Kofi bought 4 books at an average price of 2500, the total cost of the 4 books must be 4 x 2500 = 10000. Since the total cost of 3 books was 6500, the cost of the fourth book must be 10000 - 6500 = 3500.In conclusion, the cost of the fourth book is 3500. To find the cost of the fourth book, we used the formula Average Price = Total Cost / Number of Items and calculated the cost to be 3500.
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Sketch and graph please
The graph of the linear inequality [tex]y\geq -3x+4[/tex] is given below.
What is linear inequality?
The expressions that compare two linear expressions using inequality symbols are referred to as linear inequalities. A linear inequality, which is an inequality including at least one linear algebraic expression, is when a polynomial of degree 1 is compared to another algebraic expression of a degree less than or equal to 1. There are numerous ways to depict various kinds of linear inequalities.
Given linear inequality is [tex]y\geq -3x+4[/tex] for which y region will be in the positive range.
Hence, the graph of the given linear inequality is given below.
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10.a) Which numbers less than 100 have exactly 3 factors (including 1 and the number itself)?
b) Which two numbers less than 100 have exactly 5 factors?
c) Which number less than 100 has exactly 7 factors?
Step-by-step explanation:
a)
any prime number has only 2 (1 and the number itself).
almost every even number has 1, 2, a factor of 2 and the number itself. so that did not work either.
following that line of thought, the only possible solutions are square numbers of prime numbers :
4, 9, 25, 49
they have only 1, its square root and the number itself as factors.
b)
in the same line of thinking it must be powers of 4 of prime numbers :
2⁴ = 16
with the factors 1, 2, 4, 8, 16
3⁴ = 81
with the factors 1, 3, 9, 27, 81
c)
and so, it must be a power of 6 of a prime number.
the only one possible is
2⁶ = 64
with the factors 1, 2, 4, 8, 16, 32, 64
A family wants to rent a car to go on vacation. Company A charges $35.50 and 9¢ per mile. Company B charges $75.50 and 14¢ per mile. How much more does Company B charge for x miles than Company A?
(Write a simplifed expression. Use integers or decimals for any numbers in your expression.)
No need for explainations, please provide the answer. I have a C in Math and I want to increase my grade! Thank you!
How To Solve:
Write the expression to represent how much Company B charges to rent a car, then do the same for Company A. Next, subtract the expression which represents how much Company A charges to rent a car from the express which represents how much Company B charges to rent a car. Subtract the two expressions by subtracting each term of the second expression. They simplify by combining like terms.
Answer:
75.50 + 14x - (35.50 + 9x) = 40 + 5x
Step-by-step explanation:
HELLPP my mom said ill get ungrounded if I get a good grade SOMEONE HELLLPPP
Answer:The price of 10 pounds of cheese is 15.84$
Step-by-step explanation:
It's simple
In a class & 60 students the most number of students who passed Ga is 6 more than the number that passed fante. Every student passed at least one of the two subjects and 8 students passed both subjects (1) How many students passed Ga?
Answer: 37
Step-by-step explanation:
let x be the number of students who pass "fante". Then the number of students who passed "Ga" will be x + 6.
with the added information that 8 students passed both we can say:
(x + x + 6) - 8 = 60
2x + 6 = 68
2x = 62
x = 31
.: x + 6 = "only Ga pass" = 37
The question does not make it clear if it is asking for students who *only* passed Ga, or students who passed Ga + those who passed both. I'll assume the former though. Otherwise the answer would be 37 + 8 = 45 students
The proof shown needs several statements and reasons filled in.
Given the angle bisector, the statements and reasons for the proof are explained.
What is an angle bisector?A bisector splits a given line or angle into two equal parts. A straight line is said to be an angle bisector if it divides a given angle into two equal measures. Such that on comparison, the sum of the angles formed is equal to the measure of the bisected angle.
The statements and reasons for the proof are given below;
STATEMENT REASONS
1. MK bisects <HKO and <HMO Given
2. m<HMK = m<OMK and m<HKM = m<OKM Definition of angle bisector
3. HK ≅ KO, and HM ≅ OM Congruent side property
4. ΔHMK ≅ ΔOMK Angle-Angle-Side theorem
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