Answer:
The event space is the number of outcomes in the event you are interested in. The event space for rolling a number less than three is 1 or 2. So the size of the event space is 2. For equally likely outcomes, the probability of an event E can be written P(E).
The number of sample outcomes that are common to the two events would depend on the specific events and the information provided about their sample spaces.
To find the number of sample outcomes that are common to two events, we need to determine the intersection of the two events. The intersection represents the outcomes that satisfy both events simultaneously.
If we know the number of sample outcomes for each individual event, we can find the number of outcomes that are common to both events by finding the smaller of the two numbers.
For example, let's say event A has 50 possible outcomes and event B has 30 possible outcomes. The number of sample outcomes that are common to both events would be the smaller of the two, which is 30 in this case.
Therefore, the number of sample outcomes that are common to the two events would depend on the specific events and the information provided about their sample spaces.
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J(2,−1), K(4,−5), L(3, 1) reflection x axis
Answer:
△JKL is not congruent to △J′K′L′ because there is no sequence of rigid motions that maps △JKL to △J′K′L′.
Step-by-step explanation:
If L' were (-3,-4), it would be a reflection of L across the x-axis as J' and K' are with respect to J and K. Unfortunately, because it is not, the side lengths J'L' and K'L' of triangle J'K'L' are different from those of triangle JKL. This ensures the triangles JKL and J'K'L' are not congruent.
- Jackson
In six hours, yokai reads 36 chapters. What is her rate in chapters per hour?
Answer:
6
Step-by-step explanation:
You would divide the total number of hours by the number of hours to come to the final answer of 6
please mark brainliest (:
Which is the correct order of mass from least to greatest
Nitrogen, Helium, Hydrogen
C,B,A
what is parallel, perpendicular, and intersecting lines?
Part b find the total number of pounds of cheese ordered. a. 11 pounds b. 13 pounds c. 15 pounds d. 17 pounds
Answer:
B po I'm sure that's is answer thank you
PLEASE HELP!!!
What type of association does the following scatterplot plot represent
A-Positive linear association
B-Negative linear association
C-Positive nonlinear association
D-Negative nonlinear association
Answer:
b
Step-by-step explanation:
...
My sister and I each brought a bottle of sunblock to the beach. My bottle had 89ml and my sister’s had 147ml. How much more sunblock did my sister have?
Answer:
58 more ml
Step-by-step explanation:
147-89=58 ml.
50 points!!!
A quadratic function has one solution at x=-2-√6
What is the exact value of the other root?
x= ________
Answer:
Step-by-step explanation:
Discussion
The form of this root is a "mirror image" of the root that is given. They come in pairs.
So the exact value of the other root is
x = - 2 + √6
You should be very careful looking at this root. The only difference is the plus sign where the minus sign used to be.
The given root has to be of the form a rational number ± an irrational number.
Later on, when you get into higher math classes, you will find there is another kind of number that this same rule applies to.
1.55y-(5y-17)/100=0.02
Answer:
Multiply to remove the fraction, then set equal to 0 and solve.
Exact Form: y = − 1/10
Decimal Form: y = − 0.1
Step-by-step explanation:
Answer:
y = -1/10 or -0.1
Step-by-step explanation:
Multiply both sides of the equation by 100.
To find the opposite of 5y−17, find the opposite of each term.
The opposite of −17 is 17.
Combine 155y and −5y to get 150y.
Subtract 17 from both sides.
Subtract 17 from 2 to get −15.
Divide both sides by 150.
Reduce the fraction
to lowest terms by extracting and canceling out 15.
Simplify 68.5/100 * 30.
Answer:
The answer to the question is 20.55.
Answer:
20.55
Step-by-step explanation:
1 Simplify 68.5/100 to 0.685.
0.685×30
2 Simplify.
20.55
ABC Bookstore sells one customer 12 used books and 4 new books for 136. Another customer buys 14 used books for 124. How much is one used book (u), and one new book (n)?
An equation is formed of two equal expressions. The cost of a new book is $7.43, while the cost of an old book is $8.86.
What is an equation?An equation is formed when two equal expressions are equated together with the help of an equal sign '='.
Given the cost of 14 used books is $124. Therefore, the cost of a single used book is,
Cost of single used book(u) = 124/14 = $8.86
Also, the cost of 12 used books and 4 new books is $136. Therefore, the equation can be written as,
12u + 4n = 136
12(8.85) + 4n = 136
106.2 + 4n = 136
n = $7.43
Hence, the cost of a new book is $7.43, while the cost of an old book is $8.86.
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Help me pls which one ahhh ??? Help will make brainlessly
Answer:
C
Step-by-step explanation:
There are nine lines between 0 and 1
The line the red dot is on is 0.9
Simplify the algebraic expression
The simplified form of the given algebraic expression will be 13/8 x - 5/6.
How to find the sum of algebraic fractions?Finding the least common multiples of the denominator expressions can help.
Then using the similar method as we use in the sum of fractions would give the sum of algebraic fractions.
For example,
[tex]\dfrac{a}b} + \dfrac{c}{d} = \dfrac{a \times d + c \times b}{bd}[/tex]
We have the given algebraic expression. we need to simplify the expression.
[tex]\dfrac{3}{4}x -\dfrac{1}{3} +\dfrac{7}{8} x-\dfrac{1}{2} \\\\\\\dfrac{3}{4}x +\dfrac{7}{8} x-\dfrac{1}{3} -\dfrac{1}{2} \\\\\\\dfrac{(6+7)}{8} x - \dfrac{(2+3)}{6} \\\\\\\dfrac{13}{8} x - \dfrac{5}{6}[/tex]
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Please help ?
What association does the scatter plot show?
A - positive nonlinear association
B - positive linear association
C - no association
D - negative nonlinear association
E - negative linear association
Answer:
C - no association
Step-by-step explanation:
The data isn't linked/following a general trend.
Multiply.
- 5x(2x²y - 3xy² + 5)
A. - 10x³y + 15x²y² - 25x
B. - 10x³y - 15x²y² - 25x
C. - 10x²y + 15xy² - 25x
D. - 10x²y - 15xy² - 25x
describe another way you could slice the pyramid that would result in a different cross section
Answer:
45 degree ange slice
Step-by-step explanation:
D is at the top of a tree 8 meters tall. you are on the ground, 10 meters away from the bird. how far are you
the base of the tree?
710 meters
36 meters
6 meters
v6 meters
Find BC. Please help fast I really need this answer for this test !!!
Answer:
16
Step-by-step explanation:
10*2 = 20
8*2 = 16
WILL GIVE BRAINLIST TO NEST ANSWER
What conclusions can you make about the study times and test scores ?
Which equation correctly demonstrates the distributive property?
A. 7(6c - 4d) = 14cd
B. 30(3a + 2b) = 90a + 60b
C. 16(3j - 4k) = 48j - 4k
D. 4(2f + 5g) = 28fg
Answer:
B.
Step-by-step explanation:
b is the correct answer
Skyler goes to a school which has 1000 students in it.
She asks 40 random students whether they like the new 8.30 am start to the day.
30 of them say 'no' they do not like it.
Use this information to estimate how many students in the whole school
dislike the 8.30 am start.
30
Sampling Populations
View One Minute Version
Overview
Sampling Populations
Answer:
it's estimated that 750 students in the whole school dislike the 8:30am start time.
Step-by-step explanation:
Since 30 of the 40 students said "no", it means 30/40, or 3/4 of the random sample disliked the 8:30am start time. Multiply this by the whole population: 1,000 × (3/4) = 750.
Another way to check this is using 10/40 = .25 and doing 1000x.25 = 250 (the amount of students who liked it). Then subtract from whole population and it's 750.
Ibrar buys 3kg of apples. He also buys 0.4kg of mushrooms. The total cost is £6.93. 1kg of apples cost £1.95. Work out the cost of 1kg of mushrooms
Answer:
1 kg of mushrooms costs £2.7.
Step-by-step explanation:
Step 1: Write equations.
Let a be the cost of apples per kg and m the cost of mushrooms per kg.
First equation: Ibrar buys 3 kg of apples. He also buys 0.4 kg of mushrooms. The total cost is £6.93.
[tex]3a + 0.4m = 6.93[/tex]
Second equation: 1 kg of apples cost £1.95.
[tex]a = 1.95[/tex]
Step 2: Solve the system of equations.
1) [tex]3a + 0.4m = 6.93[/tex]
2) [tex]a = 1.95[/tex]
Substitute a in the first equation with a from second.
[tex]3a + 0.4m = 6.93\\3(1.95) + 0.4m = 6.93[/tex]
Solve for m.
[tex]5.85 + 0.4m = 6.93\\0.4m = 6.93 - 5.85 \\0.4m = 1.08\\m = \frac{1.08}{0.4}\\m = \text{\£}2.7[/tex]
The cost of 1 kg of mushrooms is £2.7.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
Given that Ibrar buys 3kg of apples
Ibrar buys 0.4kg of mushrooms.
The total cost is £6.93
3x+0.4y=6.93...(*)
1kg of apples cost is £1.95
x=1.95
Substitute the value of x in *
3(1.95)+0.4y=6.93
5.85+0.4y=6.93
Subtract 5.85 on both sides
0.4y=6.93-5.85
0.4y=1.08
Divide both sides by 0.4
y=2.7
Hence, the cost of 1 kg of mushrooms is £2.7.
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Write the expression using exponents. 95 · 95 · 95 · 95 95
Answer:
95 to the power of 5
Step-by-step explanation:
27 Keane drives his car 180 miles from his home in Bristol to Liverpool. He leaves his home at 09 30 and arrives in Liverpool at 12 42. Work out the average speed of Keane’s journey in mph.
The average speed of Keane’s journey in mph is 56.25 mph (miles per hour)
Calculating Average speedFrom the question, we are to determine Keane's average speed
Average speed is given by the formula,
Average speed = Distance / Time
Distance travelled = 180 miles
Now, we will calculate the time spent
From the given information,
He leaves his home at 09:30 and arrives in Liverpool at 12:42
09:30 to 12:42 is 3 hours 12 minutes
∴ Time = 3 hours 12 minutes = 3 + (12/60) hours = 3.2 hours
Thus,
Average speed = 180 / 3.2
Average speed = 56.25 mph (miles per hour)
Hence, the average speed of Keane’s journey in mph is 56.25 mph (miles per hour)
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12x^2+ 16x factor by gcf
Answer:
The factor of 12x^2 + 16 is 4x (3x+4)
What word best describes the DEMAND for snow boots in Florida?
A. High in the winter
B. High all year long
C. Low in the fall
D. low all year long
Answer:
D low all year long because it doesn't snow in Florida
Step-by-step explanation:
Answer:
D. Low all year long
Step-by-step explanation:
It rarely snows in Florida, even in northern Florida.
Let f be the function given by f(x) = x^3 5x for what value in the closed interval [1,3]
If the average rate of change is 18, then the value of the x is √(13/5). Then the correct option is B.
What is the average rate of change?It's an average of how far the functions changed per unit throughout that time period.
Let f be the function given by f(x) = x³ + 5x.
Then the value in the closed interval [1,3] will be
The instantaneous rate of change will be
[tex]f'(x) = 3x ^2 + 5[/tex]
Then the average rate of change will be
[tex]= \dfrac{f(3) - f(1)}{3-1} \\\\= \dfrac{(3^3 + 5\times 3) - (1^3 + 5 \times 1)}{3-1}\\\\= 18[/tex]
Then we have
3x² + 5 = 18
Then the value of x will be
[tex]\begin{aligned} \rm 3x^2 + 5 &= 18\\\\\rm x &= \sqrt{\dfrac{13}{3}} \end{aligned}[/tex]
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A jar contains 3 blue marbles and 2 red marbles.
A marble is randomly selected from the jar and replaced, and then a second marble is chosen.
The probability that a blue marble was chosen both times is __%.
Answer: 9/25 or 36%
Step-by-step explanation:
The first time it is a probability of 3/5, and the second blue also has a prbability of 3/5. Multiply them together since it is an "and" situation, and you get 9/25. Or, in percentages, it is 60% * 60%, or 0.6 * 0.6, which is 36% or 0.36. Hope this helps!
Answer:
the correct answer is 36%
Step-by-step explanation:
I got it right on Edmentum
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what is the area of 3m circumferense NONSENCE REPORT!
[tex]~~~~~~\text{Circumference}~ = 2 \pi r\\\\\\\implies r = \dfrac{\text{Circumference }}{2\pi}\\\\\\\implies r = \dfrac{3}{2\pi} \\\\\\\text{Now,}\\\\\text{Area} = \pi r^2 \\\\~~~~~~~~=\pi \left( \dfrac{3}{2\pi} \right)^2\\\\\\~~~~~~~~=\pi \cdot \dfrac{9}{4\pi^2}\\\\\\~~~~~~~~=\dfrac{9}{4\pi}\\\\\\~~~~~~~~\approx0.72[/tex]
3. Which statement is true?
Answer:
C
Step-by-step explanation:
A is wrong because 10 is not prime
B is wrong because still above^^
D is wrong because diagonals of a rhombus are not congruent.
So C is correct
