Answer:
0.09 and 0.04
Step-by-step explanation:
The probability that a randomly-selected person at a show has seen the band play live before is 30%=0.30
The probability that a person at a show is a "superfan" is 20%=0.20
Two people are selected at random.
The probability that both people have both seen the band perform live before = The probability that the first person has seen the band live before and the second person also has seen the band live before.
=0.30 x 0.30
=0.09
Similarly, the probability that both are "superfans" = The probability that the first person is a superfan and the probability that the second person is a superfan.
=0.20 x 0.20
=0.04
Hence, the probability that both people have both seen the band perform live before, and are "superfans" are 0.09 and 0.04 respectively.
3. If Q is between P and R, then PR = PQ+ QR.
What is the y-intercept of the line?
Answer: 1
Step-by-step explanation:
The y axis goes up and down. The slanted line meets the Y axis at 1.
Answer:
1
Step-by-step explanation:
the y intercept would be 1 because that’s where the line passes through the y axis. A more mathematical term would be, the y intercept is (0,1)
please help this makes no sense
Answer:
121 1/4
Step-by-step explanation:
The stock market went up 30 1/2 points, then down 90 3/4 points. The total change is equal tor 121 1/4.
what is Evaluate 4/5-3/7
Answer:
[tex] \frac{13}{35} [/tex]
Step-by-step explanation:
To add or subtract two or more fractions from each other, the denominators have to be the same. To make the denominators the same, we should find the least common multiple of 5 and 7. The least common multiple of 5 and 7 is 35. 5 should be multiplied with 7 to get 35 and 7 should be multiplied with 5 to get 35 (with both numerators).
[tex] \frac{4}{5 } - \frac{3}{7} [/tex]
[tex] \frac{4 \times 7}{5 \times 7} - \frac{3 \times 5}{7 \times 5} [/tex]
[tex] \frac{28}{35} - \frac{15}{35} [/tex]
[tex] \frac{13 }{35} [/tex]
When subtracting, only subtract the numerators (the denominators are kept as is).
Answer:
the answer is 13/35
Step-by-step explanation:
help with math problems
Answer:
hope that will help you
Rational number
between 2 and 3?
Answer:
it would be 7 and 8
Step-by-step explanation:
Answer:
rational numbers lie between 2 and 3 are infinite there are infintie numbers of rational number which lie between 2 and 3
it's in the picture please help
Answer:
A. 1.88
Step-by-step explanation:
In less fancy terms, a constant of proportionality is essentially a rate of change - or more specifically, a unit rate.
It's the number we multiply our independent variable by to get the y. You can find this by simply dividing the y value by the x value!
Let's choose the first order pair (2, 3.76).
[tex]3.76 \div 2 = 1.88[/tex]
We can check that this table IS constant by doing the same with the other values... we should always get 1.88!
[tex]7.52 \div 4 = 1.88\\9.40 \div 5 = 1.88\\15.04 \div 8 = 1.88[/tex]
This is true for all values - which means our constant is 1.88
Hope I was of assistance! #SpreadTheLove<3
i wonder if this is a good thing
Answer:
its a good thing but the warnings u may get banned
Can someone pls help me on this
Answer:
41.309 kg, 41.32 kg, 41.236 kg
Step-by-step explanation:
I think these are the correct answers.
5)A chef has 3 1/16
pounds of flour in his kitchen. He buys
another 6 1/2
pounds of flour. How much flour does he
have in all?
Answer:
9 9/16
Step-by-step explanation:
The first step is to find the LCD of 16 and 2
It is 16, and you can multiply the 6 1/2 by 8 which equals 6 8/16
Then you add
3 1/16 + 6 8/16 is equal to 9 9/16, which is your answer.
Hope this helped
Sorry if it's wrong
:)
Answer:
the chef has 9 9/16 pounds of flour
Write the steps to solving the following problem.
4 - 3x = -1
Step 1:
Step 2:
Step 1: Add 3x to both sides to get 4 = 3x - 1
Step 2: Add 1 to both sides to get 5 = 3x
Step 3: Divide by 3 on both sides to get 5/3 = x
Answer:
x = [tex]\frac{5}{3}[/tex] or [tex]1 \frac{2}{3}[/tex]
Step-by-step explanation:
Isolate the variable x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS is the order of operation, and stands for:
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction.
~
Step 1:
Subtract 4 from both sides of the equation:
4 (-4) - 3x = -1 (-4)
-3x = -1 - 4
-3x = - 5
Step 2:
Divide -3 from both sides of the equation:
(-3x)/-3 = (-5)/-3
x = -5/-3
x = 5/3
x = 1 2/3
use the graph shown to complete the following sentence. if (4, y) is an ordered pair of the function, then y = ___.
Answer:
If (4, y) is an ordered pair of the function, then y = 1.
Step-by-step explanation:
Answer:
1 is your answer ;)
Step-by-step explanation:
When it comes down to it graphing is really easy all your doing is lining up dots on a coordinate grid or a axis.
the intercept is a point where the graph of a function or relation does not intersect with the y- axis and the x-axis of the coordinate system : true or false
Answer:
False
Step-by-step explanation:
The intercept is the point where the graph crosses over the y-axis
Old Man Withers just died. He left his collection of baseball cards to his two sons. Bill got 55% of the collection and his brother Bob received the rest.
How many cards did Bill receive if Bob received
360 cards, then how many cards did Bill as inheritance from his father?
Answer:
Step-by-step explanation:
Bill = 55% of the entire collection
Bob = 45% of the entire collection (Since we know 100 - 55 = 45)
We are also told that Bob received 360 cards.
This means that 45% = 360 cards.
First step is to find how many cards is 1%. To do this, divide 360 by 45.
1% of entire collection = [tex]\frac{360}{45} = 8[/tex] cards
This means that since Bill gets 55% of the entire collection, you multiply 8 by 55.
Bill = 8 x 55 = 440 cards.
Answer:
440
Step-by-step explanation:
what situation could -16/4 represent?
Answer:
I would say C
Step-by-step explanation:
Since two negatives make a positive
Add: x 5 - 4x 4 + 7x 3 + 8, 9x 3 + 7x 2 - 10, and -2x 5 + 7x 4 - 3x + 8.
Answer:
66 x+6
Step-by-step explanation:
Because you add from the x's then you go on from the hope this helped :) .
Does anybody know the answer :D
I would say line graph
because many charts and graphs that use time, like years, use line graphs.
One example of this is the stock market, the stock market uses line graph, and I think the best option here is a line graph.
Answer: Line Graph
A line graph would best represent this data because you recording change over time (results from 1972-2008).
PLEASE HELP!!! I NEED TO TURN THIS IN IN 5 MINS!!!
What belongs in the blank spaces in the equations? What should be dotted on the graphs?. ( Show Your Work!)
Answer:
Cool Down 2:
y = -2x+4
y=1x+1
Part 2:
y = -5/1x +3
y = -6/1x +4
Step-by-step explanation:
the first person to answer will be marked Brainliest
A sweater is on sale for $31.20. The original price is $52. What is the percent discount?
Answer:
40 %
Step-by-step explanation:
40% off - 31.20/52 = .60 which means a 40% discount
hope this helps! :)
Express this number in standard form.
3.643 x 10^-1 = ?
Answer:
Solution : Number . In standard form we solve power of 10. Therefore, in standard form is 0.3643
Step-by-step explanation:
hope it helps pls mark as brainliest
Answer:
0.3643
Step-by-step explanation:
What is the domain of h^-1(x)
Answer:
(-∞,∞)
Step-by-step explanation:
what is the square root of -1
Write the slope-intercept form of the equation of the line described.
Through (-2, -1) and parallel to y=-2x-1
Answer:
y= -2x -5
Step-by-step explanation:
Slope-intercept form:
y= mx +c, where m is the slope and c is the y-intercept.
Parallel lines have the same slope.
Thus, to find the value of the slope of the line, we have to find the slope of the given line.
y= -2x -1
Since the coefficient of x is -2 and the equation is already in slope-intercept form, the slope of the given line is -2.
Substitute m= -2 into the equation:
y= -2x +c
To find the value of c, substitute a pair of coordinates.
When x= -2, y= -1,
-1= -2(-2) +c
-1= 4 +c
c= -1 -4 (-4 on both sides)
c= -5
Thus, the equation of the line is y= -2x -5.
Which function represents the graph of this plz help for brainiest
Select the correct answer from each drop-down menu
Simplify
Answer:
[tex]3\sqrt7[/tex]
Step-by-step explanation:
This is because you can split 63 into two numbers, [tex]\sqrt{9}[/tex] and [tex]\sqrt{7}[/tex]. When you simplify [tex]\sqrt{9}[/tex] turns into 3 but [tex]\sqrt{7}[/tex] will not simplify further so it will be [tex]3\sqrt{7}[/tex].
PLEASE ANSWER QUICK WILL MARK BRAINLIEST
Answer:
1) A = 80
2) A = 30
Step-by-step explanation:
1) x+50 + 80 + x + 70 = 180
2x+120 = 180
2x = 60
x=30
A = (30) + 50
A = 80
2) x+40 + x+90 + (180-110) = 180
x+40 + x+90 + 70 = 180
2x + 200 = 180
2x = -20
x = -10
A = (-10) + 40
A = 30
What is the slope of a line perpendicular to the line whose equation is
12x – 3y = 81. Fully reduce your answer.
Answer:
slope of perpendicular line is -1/4
Step-by-step explanation:
slope of standard equation of line that is ax+ by = c is
slope m = -a/b
given equation is
12x – 3y = 81
comparing it with ax+ by = c
a = 12
b = -3
thus
slope of given line = -12/-3 = 4
we also know product of slope of two perpendicular line is -1
let the slope of other line be m
thus,
product of given line line and perpendicular line is -1
4*m = -1
m = -1/4
Thus,
slope of perpendicular line is -1/4
Don claims that perpendicular lines are lines that intersect such that at least one of the angles is a right angle.
Determine whether each statement below justifies the claim. Select Yes or No for each statement.
Yes No
Intersecting lines allow for the creation of four angles with a common vertex.
O OD
If one of the angles is a right angle, the angle vertical to it must also be a right angle.
Because linear pairs are complementary, the remaining two angles must also be right angles. O
Answer:its actually yes, yes, no
Step-by-step explanation:
I have the answer bc it showed the answer on my test right after
Given F(x) = 3x ^ 2 - 4 and F(a) = 8 , find a.
Answer:
188
Step-by-step explanation:
3(8^2)-4
3(64)-4
192-4
188
Two trains are traveling at constant speeds on different tracks.
Answer:
Train B is traveling faster
Step-by-step explanation:
From the picture, we want to know which train is traveling faster
We can know this by knowing the speed of the trains
Mathematically;
speed = distance/time
Train A
12.5 m in 1 second
speed = 12.5/1 = 12.5 m/s
Train B
100 m in 4 seconds
speed = 100/4 = 25 m/s
So train B is traveling faster
This is because it covered a distance of 100 m in 4 seconds as opposed to train A which covered a distance of 12.5 m
in 1 second