In combination, 56 ways can Nick choose topping can only be chosen .
What is permutation and combination?
Subsets of a set can be created in two separate ways: combination and permutation. The subset's components can be listed in any order when combined. The components of the subset are listed in a permutation in a certain order.Examples of permutations include arranging persons, digits, numbers, alphabets, letters, and colors. Examples of combinations include choosing the menu, the cuisine, the clothes, the subjects, and the team.given that Nick choose pizza = 5
menu of toppings if each topping =8
chosen once = 8c5
=> 8! / (5!(8−5)!)
=> 56
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What is 6.4% plus 39.3% ?
Answer:
45.7%
Step-by-step explanation:
PLEASE HELP!
Anand is driving on a long road trip. He currently has 10 gallons of gas in hi
car. Each hour that he drives, his car uses up 2 gallons of gas. How much ga
would be in the tank after driving for 2 hours? How much gas would be left
after t hours?
gas left after 2 hours
gas left after t hours
The amount of fuel left after t hours will be y = 10 - 2t. Then the amount of fuel left after 2 hours will be 6 gallons.
What is a linear equation?A relationship between two or more parameters that, when shown on a graph, produces a linear model. The degree of the variable will be one.
The linear equation is given as,
y = mx + c
Where m is the slope of the line and c is the y-intercept of the line.
Anand is traveling by car a long distance. He has 10 gallons of gas in his automobile right now. His automobile burns through 2 gallons of gas per hour while he is on the road.
Then the equation will be
y = 10 - 2t
Where t is the number of hours and y represents the fuel left in the tank.
The amount of fuel left after 2 hours will be
y = 10 - 2 x 2
y = 10 - 4
y = 6 gallon
The amount of fuel left after 2 hours will be 6 gallons.
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Tell which property is represented.
3(4 + 7) = (3 x 4) + (3 x 7)
Need the Algebraic expression for a window is 9 feet long. It is x feet longer than it is high.
What is the height of the window?
_______________________Feet
What is the perimeter of the window?
_______________________Feet
The height of the window is 9-x feet, the perimeter of the window is 36-2x.
What is an expression?A mathematical operation such as subtraction, addition, multiplication, or division is used to combine terms into an expression.
What is algebraic expression?Using letters or alphabets to represent numbers without giving their exact quantities is the idea behind algebraic expressions. The principles of algebra taught us how to express an unknown value using letters like x, y, and z. Here, we refer to these letters as variables.
Given that,
A window is 9 feet long.
Its length exceeds its height by x feet.
The length of the window = 9 feet
Then, the height of the window,
x feet shorter than the length= 9-x feet
As a result, the window is 9-x feet tall.
The perimeter of the window is 2 (l+b)
2 (9+9-x),
2 (18-x),
36 - 2x.
Therefore, the perimeter of the window is 36-2x.
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Give the quotient of the following:
Need solution
1.168 ÷ 8
2.246÷12
3.4328÷4
4.729÷9
5.8415÷5
Division is a simple operation in which a number is divided. 1.168 ÷ 8= 0.146, 2.246÷12= 0.1871, 3.4328÷4=0.8582, 4.729÷9=0.5254 and 5.8415÷5=1.168.
What is Division?Division is a simple operation in which a number is divided.
Division lets us separate a number of objects into equal-size groups.
Division has 3 important parts dividend, divisor, remainder and quotient.
1.168 ÷ 8= 0.146
(Because 0.146*8=1.168)
2.246÷12= 0.1871
(Because 12*0.1871=2.246)
3.4328÷4=0.8582
(Because 4*0.8582=3.4328)
4.729÷9=0.5254
(Because 9*0.5254=4.729)
5.8415÷5=1.168.
(Because 5*1.168=5.8415)
Therefore 1.168 ÷ 8= 0.146, 2.246÷12= 0.1871, 3.4328÷4=0.8582, 4.729÷9=0.5254 and 5.8415÷5=1.168.
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the following data represents the price(R) of 50 items purchaced by a shopper. price(R) 0.00<20.00, 20.00<40.00, 40.00<60.00, 60.00<80.00, 80.00<100.00. frequently 6, 9, 18, 13, 4. Determine with calculations:
a) mean price
b)median price
c)modal price
d)standard deviation
The correct answer is The mean price is 50.
The median price is 41.111.
The modal price is 52.857.
The standard deviation price is 22.271.
The data table represents the prices (in R) of 50 items purchased by a shopper is,
Price Frequency
0<20 6
20<40 0
40<60 18
60<80 13
80<100 4
Explanation:
The mean of the data is the average of the given values.
The mean of the data is calculated as,
Price frequency (f) Mid point (xi) f.xi
0-20 6 10 60
20-40 9 30 270
40-60 18 50 900
60-80 13 70 910
80-100 4 90 360
Total 50 250 2500
Mean = ∑fx1/N
Mean = 2500/50
Mean = 50
Price frequency (f) cf
0-20 6 6
20-40 9 15
40-60 18 33
60-80 13 46
80-100 4 50
Total 50 150
The median class is 40 -60 as cf ≥ N/2
which is 33 ≥ 25
medain = 40 + |25-15|/18 ×20
medain = 40 + 200/18
median = 41.111
Mode = lower limit + f1-f0/2f1-f0-f2 × height
Here, f1 is the frequency of the modal class = 18.
f0 is the frequency of the preceding modal class = 9.
f2 is t/he frequency of the succeeding modal class = 13.
Mode = 40+ 18-9/2(18)-9-13
Mode = 52.857
Hence, the modal price is 52.857.
Price frequency (f) Mid point (xi) f.(xi)^2
0-20 6 10 600
20-40 9 30 8100
40-60 18 50 45000
60-80 13 70 63700
80-100 4 90 32400
Total 50 149800
The standard deviation of the data is calculated as,
SD = √(∑f(x1)^2)/N - (mean)^2
SD = √149800/50- (50)^2
SD = 22.271
Hence, the standard deviation of the data is 22.271.
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Determine the gear ratio for a bike with 45 front teeth and 18 rear sprocket teeth
Answer:
So, gear ratio will be \frac{45}{18}= \frac{5}{2}=2.5
18
45
=
2
5
=2.5
Hence, the ratio is 2.5 :1.
PLEASE SEE THIS. If a ball is thrown vertically upward with an initial speed of 39 feet per second, its height in feet above the ground t seconds later is given by the formula h = 39t - 16t². At how many seconds will the ball be 10 feet above the ground? Give both answers and round to the nearest hundredth.
Ball will be at 10 feet above the ground for 2.14 or 0.29 seconds .
A quadratic equation is a second-order algebraic equation in x. The quadratic equation in standard form is ax^2 + bx + c = 0. where a and b are the coefficients, x is the variable, and c is the constant term.Quadratic is the easiest way to find the roots of quadratic equations. The two roots of a quadratic expression are represented as one expression. You can get two different roots of the equation by alternating positive and negative signs. The root of the quadratic equation ax^2 + bx + c = 0 is given by [tex]x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}[/tex] ....(1)
We have given a formula h = 39t - 16t² . ....(2)
Putting h = 10 in equation (2) , we get
[tex]10=39t-16t^2\\16t^2-39t+10=0[/tex]
Using quadratic formula in equation (1) , we get
a = 16 , b = -39 , c = 10
[tex]t=\frac{-(-39) \pm\sqrt{(-39)^2-4(16)(10) }}{2(16)} \\\\t=\frac{39 \pm\sqrt{1521-640 }}{32} \\\\t=\frac{39 \pm\sqrt{881 }}{32} \\\\t=\frac{39 \pm29.68}{32} \\[/tex]
t will have 2 values
[tex]t=\frac{39+29.68}{32} =2.14s[/tex]
and [tex]t=\frac{39-29.68}{32} =0.29s[/tex]
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how to turn 1.63 m into cm in dimensional analysis
Answer:
Step-by-step explanation:
1.63 meters = 163 centimeters. Formula
What’s the missing side length? Please help.
Answer:10
Step-by-step explanation:
6+4=10
Easy
Verizon charges a $100 initial contract fee, then $70 a month for a basic cell phone plan. What is the slope (rate of change)?
Answer: The slope is $70
Step-by-step explanation: Slope is rate of change, so define your values.
-$100 is the initial fee
-$70 is charged per month
per month is the constant rate of change
70 is the slope
hope this helps
Algebra II Question
John wants to hit homeruns for his baseball team. He wants to be within 5 homeruns of hitting 30 for the year. Write an absolute value equation of the given situation.
He wants to be within 5 homeruns of hitting 30 for the year, therefore he needs 25 home runs.
How to illustrate the information?From the information, it was stated that John wants to hit homeruns for his baseball team and that he wants to be within 5 homeruns of hitting 30 for the year.
Let the number of home runs be represented by x.
Therefore, x + 5 = 30
x = 30 - 5
x = 25
Therefore, since he wants to be within 5 homeruns of hitting 30 for the year, he needs 25 home runs.
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please help me with math
Answer: A . B . C. D
Step-by-step explanation:
you should select all of them there all right?
ANSWER PLEASEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
ok
Step-by-step explanation:
domain = (3,3)
range= (1,1)
funtion=discrete?
answer this please just take your time no rush
Answer:
see explanation
Step-by-step explanation:
1
[tex]\frac{6x^2+11x-10}{3x^2+x-2}[/tex] ← factorise numerator and denominator
= [tex]\frac{(2x+5)(3x-2)}{(x+1)(3x-2)}[/tex] ← cancel common factor (3x - 2) on numerator/ denominator
= [tex]\frac{2x+5}{x+1}[/tex]
2
[tex]\frac{10}{12}[/tex] - [tex]\frac{6}{12}[/tex]
= [tex]\frac{10-6}{12}[/tex]
= [tex]\frac{4}{12}[/tex]
= [tex]\frac{1}{3}[/tex]
3
[tex]\frac{3x}{x+2y}[/tex] - [tex]\frac{4y}{x+2y}[/tex]
= [tex]\frac{3x-4y}{x+2y}[/tex]
Two functions are graphed on the coordinate plane.
121x
10
8
6
-4
-6-5-4-3-2-12 1 2 3 4 5 6 X
-6
6 9
-8
(g(x)
-10
-12 +
16)
Which represents where f(x) = g(x)?
Of(4) = g(4) and f(0) = g(0)
Of(-4)= g(-4) and f(0) = g(0)
Of(-4)= g(-2) and f(4) = g(4)
Of(0) = g(-4) and f(4) = g(-2)
[tex] \bf \implies{f( - 4) \: = \: g( - 4) \: and \: f(0) = g(0)}[/tex]
Step-by-step explanation:Given : GraphTo Find :When f(x) = g(x)Solution :We can observe from the given graph that the two functions intersect each other at (0,4) and (-4,4)
→ g(0) = f(0)
and g(-4) = f(-4)
Find the measure of angle Y
The measure of the angle labelled y as represented in the image attached to the task content is; 125°.
What is the value of angle y as represented in the image attached to the task content?It follows from the task content that the value of angle y is to be determined from the image attached to the task content.
On this note, one must recall that from polygon theorems; the sum of all exteriors angles of a polygon is equal to; 360°.
Therefore; we have;
60° + 70° + 65° + 40° + y° = 360°
By isolating y°; we have;
y° = 360° - 60° - 70° - 65° - 40°
y° = 125°
Ultimately, the measure of the angle labelled y as represented in the image attached to the task content is; 125°.
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Write an equation in slope-intercept form for each table below. Show how you found the slope and y-intercept.
The linear functions for the tables given are as follows:
1. y = 2.5x.
2. y = x + 1.
3. y = 3x - 1.5.
4. y = -4x + 3.
5. y = 4x + 1.
What is a linear function?A linear function is modeled in slope-intercept form by:
y = mx + b
In which:
m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.For each function, the slope and the intercept are found as follows:
For item 1, when x = 0, y = 0, hence the intercept is of b = 0. When x increases by 1, y increases by 2.5, hence the slope is of m = 2.5.For item 2, when x = 0, y = 6, hence the intercept is of b = 1. When x increases by 1, y increases by 1, hence the slope is of m = 1.For item 3, when x = 0, y = -1.5, hence the intercept is of b = -1.5. When x increases by 1, y increases by 3, hence the slope is of m = 3.For item 4, when x = 0, y = 3, hence the intercept is of b = 3. When x increases by 1, y decreases by 4, hence the slope is of m = -4.For item 5, when x = 0, y = 1, hence the intercept is of b = 1. When x increases by 1, y increases by 4, hence the slope is of m = 4.Hence the functions are given as follows:
1. y = 2.5x.
2. y = x + 1.
3. y = 3x - 1.5.
4. y = -4x + 3.
5. y = 4x + 1.
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ill give you brainly and 10 points hurrry please
[tex] \large \bf \implies{} |10.5 - ( - 6.1)| [/tex]
Step-by-step explanation:The total temperature change
= high temperature - low temperature
= |10.5 - (-6.1)|
{By subtraction.}
a fost răspuns • verificat de expert
Densitatea ghetii este 0.9g/cm³. Ce masa are gheata care pluteste pe o portiune de 10 m² a unui lac stiind ca gheata are grosimea de 5 cm.
Guadalupe is going to a carnival that has games and rides. Each game costs $2.50 and each ride costs $3.75. Guadalupe spent $36.25 altogether on 12 games and rides. Write a system of equations that could be used to determine the number of games Guadalupe played and the number of rides Guadalupe went on. Define the variables that you use to write the system.
System of equations required to determine number of games and rides are x + y=12, 2.50x + 3.75y=36.25 where x represents number of games and y number of rides.
As given,
Let x represents the number of games
and y represents the number of rides
System of equation are:
x+ y=12 ___(1)
2.50x+3.75y=36.25 ___(2)
Multiply 2.50 to (1) subtract from (2) we get,
1.25y=6.25
⇒y=5
Hence, x=12-5
=7
Therefore, system of equations required to determine number of games and rides are x + y=12, 2.50x + 3.75y=36.25 where x represents number of games and y number of rides.
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Choose the number to fill the blank so that the statement is TRUE. The least common multiple of _____, 12 and 18 is 36
Answer: 6
Step-by-step explanation:
Giving brainliest sdjfhgbawrpighjbqkejqbrg
Answer:
C
Step-by-step explanation:
[tex]-(6^{-5})(6^3) \\ \\ =-6^{-5+3} \\ \\ =-6^{-2} \\ \\ =-\frac{1}{6^2} \\ \\ =\frac{1}{36}[/tex]
math help please :))))))))))))
Answer: a=8
Step-by-step explanation:
[tex]{\huge\color{green}{\boxed{\fcolorbox{red}{yellow}{꧁ANSWER꧂}}}} \\ \\ 21a + 32 = 25a \\ \\ - 4a = - 32 \\ \\ 4a = 32 \\ \\ a = \frac{32}{4} = 8[/tex]
Write each statement as a conditional.
SEE EXAMPLE 1
19. My skin will get wet if I go swimming.
20. A number that is divisible by 6 is divisible by 3.
21. Movie tickets are half-price on Tuesdays.
Each given statement can be written as a conditional statement as follows:
19. If I go swimming, then my skin will get wet.
20. If a number is divisible by 6, then it is divisible by 3.
21. If it is a Tuesday, then the tickets are half-priced.
What is a conditional statement?The phrase "if...then" is used to denote a conditional statement. If p and q are the two statements, then p and q can be written under several conditions, such as;
p implies qp is sufficient for qq is necessary for pGiven the statements:
My skin will get wet if I go swimming.p: My skin will get wet
q: if I go swimming
Here, q is necessary for p.
Hence, the condition statement is "If I go swimming, then my skin will get wet."
A number that is divisible by 6 is divisible by 3.p: a number is divisible by 6
q: a number is divisible by 3
Here, p implies q.
Hence, the condition statement is "If a number is divisible by 6, then it is divisible by 3."
Movie tickets are half-price on Tuesdays.p: movie tickets are half-price
q: it is a Tuesday
Here, q is necessary for p.
Hence, the conditional statement is "If it is a Tuesday, then the tickets are half-priced."
Therefore, each given statement can be written as a conditional statement as follows:
If I go swimming, then my skin will get wet.If a number is divisible by 6, then it is divisible by 3.If it is a Tuesday, then the tickets are half-priced.To learn more about conditional statements, visit:
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. A store has a buy-one-get-one-half-off sale on laundry detergent.
The regular price of the laundry detergent is $2.60 per bottle. You
buy two bottles. What is the total cost, in dollars, before taxes?
The total cost, in dollars, before taxes Addition
When a store has a buy-one-get-one-half-off sale on laundry detergent, then the cost of 2 bottles $3.90.Given that
A store has a buy-one-get-one-half-off sale on laundry detergent.The regular price of the laundry detergent is $2.60 per bottle.we buy two bottles.To find
What is the total cost, in dollars, before taxes?So, according to the question
we have,
The regular price of laundry detergent = $2.60 per bottle.we buy 2 bottles.A store has a buy-one-get-one-half-off sale on laundry detergent, When we buy 1 bottle then we will get half of bottle free and we are buying 2 bottles so we just have to pay the price of one and half bottles only.
So, we can say that
Total cost of 2 bottle laundry detergent = regular price of 1 bottle laundry detergent + regular price of [tex]\frac{1}{2}[/tex] bottle laundry detergent
= 2.60 + [tex]\frac{1}{2}[/tex]× 2.60
= 2.60 + 1.30
= $3.90
Answer:
The cost of 2 bottles laundry detergent in that offer is $3.90 .To learn more about Addition, please click on the link:
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You have a 5-question, true-false quiz. What is the probability that you choose each answer at random and get 4 of the questions correct?
Answer:
1/16
Step-by-step explanation:
you have a 1/2 chance to get the answer right. Each time you add a new answer, you multiply the current chance by the chance of getting the new answer correct. So, the chance of getting 4 answers correct is 1/2^4, or 1/16
instead of writing 35/6 as a decimal correct to 3 significant figures,a student wrote it correct to 3 places of decimal. find his percentage error in standard form.
The percentage error of 35/6 is 3x10⁻³
What does the percentage of mistake mean?Percent error calculates the difference between an estimate and a right number and expresses it as a percentage. Analysts can use this statistic to determine how big the mistake is in relation to the actual number. It is also referred to as % error and percentage error.
35 / 6 =5.83333
to 3 decimal places=5.833
3 significant figures=5.83
error = wrong value - correct value
error=5.833-5.83-0.003
in standard form
error= 3x10⁻³
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50 POINTS + 50 MORE BRAINLIEST! IF YOU SEE THIS PLEASE ANSWER.
The mass of a paperclip is 7.0 * 10^(-4) mg. If a box of paper clips has (3.18 10^(4) paper clips, determine the total mass of the paper clips in the box. Write the final answer in scientific notation with the correct number or significant digits.
2.2 * 10^1 mg
2 * 10^1 mg
2.226 * 10^1 mg
2.23 * 10^0 mg
The total mass of the paper clips in scientific notation is 2.226*10 mg
How to get the total mass of the paper clips?
We know that the mass of a single paper clip is:
M = 7.0*10⁻⁴ mg
And in one box has a total of 3.18*10⁴ clips inside of it, then the total mass of the paper clips on the box will be equal to the product between the mass of a single clip and the total number of clips.
We will get:
total mass = (7.0*10⁻⁴ mg)*(3.18*10⁴)
Using the associative property we can rewrite:
total mass = (7.0*3.18)*(10⁻⁴*10⁴) mg
= (22.26)*(10⁰) mg = 22.26 mg
Now we want to write this in scientific notation, so we need to have a single digit in the left of the decimal point, then we can rewrite this as:
22.26 mg = 2.226*10 mg
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ance
JOURNAL
Define constant of
proportionality in your own
example with your definition.
a specific
words. Provide
Cats
7
9
11
PRACTICE
Analyze each table or problem situation to determine whether the relationship is
proportional. State a constant of proportionality if possible. Show your work.
for your Journal entry.
REMEMBER
If y is proportional to x, you can represent the
relationship by the equation y = kx, where k is the
constant of proportionality.
Dogs
14
21
22
x = 2² and y = 7/1/2
A baby blue whale weighed 5520 pounds at birth. After two days, the baby
weighed 5710. After 14 days, the baby weighed 8180 pounds.
Given a value for the input variable, x, and the output variable, y, calculate the
constant of proportionality.
x=21 and y = 6
bx= 60 and y = 18
x = 4 and y = 3
The constant of proportionality is 190.
The ratio connecting two given numbers in what is known as a proportional relationship is the constant of proportionality.
Constant ratio, constant rate, unit rate, constant of variation, and even rate of change are other names for the constant of proportionality. The ratio of two proportional values at a constant value is known as the constant of proportionality. Two variables are said to be proportionately connected when either their ratio or product equals a constant. The proportionality constant's value is determined by the ratio of the two mentioned quantities. For this relationship, it is conceivable for there to be both direct and inverse variation.To find proportionality constant we will find difference of weights of the baby whale after 2 days and at birth.
5710 - 5520 = 190
Now we will find difference of weights of the whale after 14 days and at birth.
We will divide the difference by 14.
(8180-5520) ÷ 14 = 190
Weights are rising at a consistent rate of 190 pounds every day, as can be seen. As a result, 190 is our proportionality constant.
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