Answer:
6 * 5 * 4 * 3 * 2 * 1, i.e. 6! or 720. Of course, since both sets have the same number of elements, you can't have one-to-one without being onto, aka a surjection, so “one to one correspondence” is the right term (or bijection—merci, M.
Step-by-step explanation:
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The mapping shows a relationship between input and output values.
Answer:
where is the photo
Step-by-step explanation:
on a certain map, 3/4 inch represents a distance of 150 miles. what distance d, in terms of x, is represented by x inches on the map
Answer:
x=80
Step-by-step explanation:
Which equation represents a line that passes through (-2, 4) and has a slope of ?
Answer:
y - 4 = (2/5)(x + 2)
Step-by-step explanation:
point slope form is
y - y₁ = m(x - x₁)
(x₁, y₁) is a point on the line and m is the slope
------------------------
Given (x₁, y₁) = (-2, 4) and m = 2/5
y - 4 = (2/5)(x + 2)
Use the digits 0 - 9 to fill in the blank.
[tex]243 \frac{1}{5} = blank[/tex]
Answer:
use 0-9 to fill in blanks
Step-by-step explanation:
a container has 16 1/2 cups of lemonade. Asher gives each of his classmates 3/4 of a cup if lemonade. if asher gives away all of the lemonade how many classmates does asher give lemonade to
What is an equation of the line that passes through the points (5, 0) and (-5, -8)
Answer:
Step-by-step explanation:
m = (y2-y1) / (x2-x1)
m = (-8-0) / (-5-5) = 4/5
note that it does not matter which points you chose to be second or first
then use slope point equation again it does not matter which point from the slope you use
y - y1 = m ( x - x1 )
y - 0 = 4/5 ( x - 5)
y = 4/5x -4
please if you find my answer helpful mark it brainiest
Which
expression iS equivalent to (a^8)^4
Answer:
Step-by-step explanation:
What are the nasser choices
Answer:
a^32.
Step-by-step explanation:
Using one of the laws indices:
(a^8)^4
= a^(8*4)
= a^32.
When wiring a house, an electrician knows that the time she will take is given by the formula Time= 2 hours + 12 minutes per lightswitch. She charges her customers a call out fee of £35, plus £20 per hour. How much should a customer be charged for wiring a house with 10 lightswitches?
Answer:
Step-by-step explanation:
Time = 2 hrs + 12 min (10) = 4 hrs.
Cost = 35 + 20*4
Cost = 35+80
Cost = 115
9514 1404 393
Answer:
£155
Step-by-step explanation:
We can write the function describing the charges as a composition.
t(s) = 2 + 12/60s = 2 +s/5 . . . . . hours for s switches
c(h) = 35 +30h . . . . . . . . . . . . . charge for h hours
Then the charge for s switches is ...
f(s) = c(t(s)) = 35 +30(2 +s/5) = 35 +60 +6s
f(s) = 95 +6s . . . . . . . charge for installing s switches
The charge for 10 switches is then ...
f(10) = 95 +6·10 = 95 +60
f(10) = 155 . . . . pounds
The electrician should charge her customer £155 for wiring a house with 10 switches.
If f(x) = 3x⁴ - 13x, find f(-2)
Answer:
answer is
74....................
What is the first step to solve the equation 12z - 21 = 92?
12z - 21 = 92
12z - 21 + 21 = 92 + 21
12z = 113
z = 113/12
CAN SOMEONE PLEASE ANSWER THISS ASAP PLEASE
f(n) = 10(1.02)n
Part A: When the scientist concluded his study, the height of the plant was approximately 11.04 cm. What is a reasonable domain to plot the growth function? (4 points)
Part B: What does the y-intercept of the graph of the function f(n) represent? (2 points)
Part C: What is the average rate of change of the function f(n) from n = 1 to n = 5, and what does it represent? (4 points)
Answer:
Step-by-step explanation:
11.04 = 10(1.02)^n
1.104 = 1.02^n
ln 1.104 = ln 1.02^n
ln 1.104 = n ln 1.02
n = ln 1.104/ ln 1.02
n = 4.99630409516
4.99 can be rounded to 5.
So a reasonable domain would be 0 ≤ x < 5
PART B)
f(0) = 10(1.02)^0
f(0) = 10(1)
f(0) = 10
The y-intercept represents the height of the plant when they began the experiment.
f(1) = 10(1.02)^1
f(1) = 10(1.02)
f(1) = 10.2
(1, 10.2)
f(5) = 10(1.02)^5
f(5) = 10(1.1040808)
f(5) = 11.040808
f(1)=10(1.02)^1
f(1)=10.2
Average rate= (fn2-fn1)/(n2-n1)
=11.04-10.2/(5-1)
=0.22
the average rate of change of the function f(n) from n = 1 to n = 5 is 0.22.
The movement of the progress bar may be uneven because questions can be worth more or less (including zero) depending on your answer.
Match each expression on the left with its equivalent on the right. Some answer choices on the right will not be used.
Answer:
8200 * 100 = 820,00
820,000 ÷ 10 = 82,000
820 * 10 = 8200
82,000 ÷ 1,000 = 82
Step-by-step explanation:
Love your username btw
Arithmetic operations contain operations such as Addition, Subtraction, Multiplication, and Division.
What is meant by arithmetic operations?Arithmetic operations exist as a branch of mathematics, that concerns the analysis of numbers and operation of numbers that exist valid in all the other constituents of mathematics. It essentially contains arithmetic operations such as Addition, Subtraction, Multiplication, and Division.
8200 [tex]*[/tex]100 = 8,20,000
820000 ÷ 10 = 82,000
820 [tex]*[/tex] 10 = 8,200
82000 ÷ 1000 = 82
To learn more about arithmetic operations
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A trailer is 22 feet long. 9 feet wide,
and 7 feet high. What is the volume of
the trailer?
Answer:
1386
Step-by-step explanation:
22 × 9 × 7 = 1386 cubic feet
Help. Volume question in math.
Answer:
c-635.25pi
Step-by-step explanation:
volume of cylinder is pi*radius squared*height(here they gave you the diameter so you'll have to divide it by 2 to get the radius)
so pi*(11/2)^2*21
and you end up with 635.25pi
After a certain number of football matches , a footballer averages 1 goal per game.He only scored 2 goals in the next 10 games and his average dropped to 0.8 goals per game .How many football matches did he play altogether?
Answer:
He played 40 matches in total, scoring 32 goals.
Step-by-step explanation:
Since after a certain number of football matches, a footballer averages 1 goal per game, and he only scored 2 goals in the next 10 games and his average dropped to 0.8 goals per game, to determine how many football matches did he play altogether you must perform the following calculation:
10/10 + 2/10 = 12/20 = 0.6
8/8 + 2/10 = 10/18 = 0.55
12/12 + 2/10 = 14/22 = 0.64
20/20 + 2/10 = 22/30 = 0.73
24/24 + 2/10 = 26/34 = 0.76
30/30 + 2/10 = 32/40 = 0.8
Thus, he played 40 matches in total, scoring 32 goals.
Find (x,y) such that (8,2)(x,y) = (28,22)
Answer:
(x,y) = (3.5, 11)
Step-by-step explanation:
(8,2)(x,y) = (28,22)
Dot product, so:
[tex](8,2)(x,y) = (8x,2y) = (28,22)[/tex]
Then
[tex]8x = 28[/tex]
[tex]x = \frac{28}{8} = 3.5[/tex]
And
[tex]2y = 22[/tex]
[tex]y = \frac{22}{2} = 11[/tex]
So
(x,y) = (3.5, 11)
A pile of 15 boxes is 3 metres high. What is the depth of each box?
5 m
0.002 km
200 cm
200 mm
pls help
化學製程中溫度的影響 為研究化學製程中溫度對產量之影響，我們在 3 種溫度下各生產 3批產品，結果如下表。請建立 ANOVA 表。在 0.05 顯著水準檢定不同的溫度是否會影響平均產量。
溫度
50℃ 60 ℃ 70℃
產品1 14 20 13
產品2 15 11 18
產品3 12 15 16
Answer:
Step-by-step explanation:
產品 1 14 20 13
產品 2 15 11 18
產品 3 12 15 16
Write the quadratic equation whose roots are - 6 and -4, and whose leading coefficient is 4.
(Use the letter x to represent the variable.)
Answer:
Step-by-step explanation:
y=4(x+6)(x+4)
y=4(x^2+10x+24)
If the profits in your consulting business increase by 6% one year and decrease by 3% the following year, your profits are up by 3% over two years
Answer:
its 1.388 p
Step-by-step explanation:
i hope this helps
Find all solutions to the equation.
cos^2 x +2cosx+1=0
[tex]x= \pi[/tex]
Step-by-step explanation:
[tex]\cos^2x+\cos x+1=0[/tex]
Let [tex]u= \cos x[/tex]
Then [tex]u^2+2u+1=(u+1)^2=0[/tex]
or
[tex]\cos x = -1[/tex]
This gives us [tex]x= \pi[/tex] or all integer multiples of [tex]\pi (n \pi)[/tex]
Write as many observations as you can for 5k + 23 - 4
Answer:
5k+19
Step-by-step explanation:
Subtract 4 from 23
solve the question
Answer:
40*40=1600
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If ⅔ of a number is 20 what is ½ of the number?
Answer:
15
Step-by-step explanation:
2/3 of 30 is 20, so 1/2 of 30 is 15
the answer is in the image above
What is the standard form equation of the ellipse that has vertices (-6, 2) and (14, 2) and foci (-3,2) and (11, 2)?
Answer:
Step-by-step explanation:
Review the graph of function h(x).
Which point is on the graph of the inverse function
Answer:e so ir no tradutor
Step-by-step explanation:
Help me thanks If you can
8. 5, 6, 3, -5
9. Winter, Colder
10. 5, 6, 10, 12, 7
11. Units squared and Units cubed, the difference is that with cubed you're getting the area of three planes instead of two.
write 145,567 in expanded notation
Answer:
100000+45000+500+60+7
Who knows a lot about proofs in geometry? Please message me!
Answer:
I do and im always ready to help
4.000.000 x 4.000.000 = ?????
Helpp
I think the answer is 16 but I'm not 100% sure