The librarian continues to record the type of item that the next 20 patrons check out from the library. patron item type 11 fiction book 12 non-fiction book 13 fiction book 14 fiction book 15 fiction book 16 non-fiction book 17 fiction book 18 non-fiction book 19 fiction book 20 DVD 21 fiction book 22 non-fiction book 23 fiction book 24 fiction book 25 audiobook 26 fiction book 27 DVD 28 non-fiction book 29 fiction book 30 DVD Based on the information from these patrons, estimate the probability that the next patron will check out a fiction book.
Answer:
[tex]Pr = 0.55[/tex]
Step-by-step explanation:
Given
Represent the dataset with the following frequency table
[tex]\begin{array}{cc}{Item} & {Frequency} & {Fiction\ Book} &{11} & {Non\ Fiction\ Book} & {5} & {DVD} & {3} & {Audiobook} & {1} \ \end{array}[/tex]
Required
Probability that the next checkout will be fiction
From the above frequency table, we have:
[tex]Fiction\ Book = 11[/tex]
[tex]n =20[/tex] --- total
So, the probability that the next checkout item is a fiction book is:
[tex]Pr = \frac{Fiction\ Book}{n}[/tex]
[tex]Pr = \frac{11}{20}[/tex]
[tex]Pr = 0.55[/tex]
A coin is flipped 10 times. Based on theoretical probability, how many times will it likely result in heads?
3 out of 10 B. 4 out of 10 C. 5 out of 10 D. 6 out of 10
Answer:
answer: C. 5 out of 10
Step-by-step explanation:
Theoretical probability is what is expected to happen sense a coin has 2 sides theres a 1/2 chance at getting heads so 5 out of 10 is the theoretical probability because 5 is half of 10 hope this helps!
Please help me worth 10 points
Answer:
7.85
Step-by-step explanation:
firstly convert the 45 deg into radians
which is 0.785398 rads multiply it by ten ..
using the formula s=r∅
Answer:
Correct Answer Is 7.85
Step-by-step explanation:
Since 45 degrees is 1/8th of a circle Then you would find the circumference divided by 8.
10= Radius Then Circumference= 62.83
(Divide Circumference by 8) = 7.85 (Answer)
A company prints 22,875 tickets for a stadium. The tickets are placed into groups of 125. How many groups of tickets are made?
help please it’s easy I think :^
Answer:
F i think
Step-by-step explanation:
What is the surface area of the cylinder shown below? Use 3.14 for π. A. 660 cm2 B. 863 cm2 C. 353.25 cm2 D. 785 cm2
Answer:
602.88cm²
Step-by-step explanation:
Find the image of the cylinder attached
Surface area of a cylinder = A=2πrh+2πr²
r is the radius = 4cm
Height h = 20cm
Substitute
A = 2πr(r+h)
A = 2π(4)(4+20)
A = 8π(24)
A = 192π
A = 192(3.14)
A = 602.88cm²
Hence the surface area of the cylinder is 602.88cm²
What percent is 25/75?
Answer:
33.33%
Step-by-step explanation:
Answer:
33.3333%
explaination
When we are using percentages, what we are really saying is that the percentage is a fraction of 100. "Percent" means per hundred, and so 50% is the same as saying 50/100 or 5/10 in fraction form. Now we can see that our fraction is 33.333333333333/100, which means that 25/75 as a percentage is 33.3333%
no links
Suppose that the probability that your
mail is delivered before 2 pm is .90.
What is the probability that your
mail
will be delivered before 2 pm for two
consecutive days? Give your answer as
a decimal.
Answer:
The probability is 0.81
Step-by-step explanation:
The probability we want to find here is that;
the mail was delivered before 2 pm the first day and also delivered before 2 pm the next day
what we have to do here is to
multiply together, the probability in the two cases (for both days)
So we have this as:
0.9 * 0.9 = 0.81
Answer:
.81
Step-by-step explanation:
PLEASEEEEEEEEEEEEE SAVE MEEEEEEEEEEEEEEEEEEEEEEEEE
Answer:
I think the answer is not proportional for B I'm sorry if it is wrong
Step-by-step explanation:
Answer:
a) not directly proportional
b) yes, k = -3/8
find the y- intercept of the following equation. simplify your answer. y=9x+6
(this is 12 year old math)
Answer:
orange
6
9
14
yellow
6
Step-by-step explanation:
Reduce the linear equation 5x + 3y = 2 so that it is in the standard form
y = = mx + c
2
oy
=
5х
3
+
5
оу –
3х
5
T
2
5
О
у —
2х
5
3
5
0 y =
5х 2
+
3 3
Answer:
The standard form of a linear equation is Ax+By=CAx+By=C.
5x+3y=2
find the value of x. 49° x°
Answer:
x = 41
Step-by-step explanation:
All triangle angles add up to 180 so:
x + 90 + 49 = 180
x + 139 = 180
x = 180 - 139
x = 41
A teacher has two boxes. The first box has a height of 15 in., a width of 6 in., and a length of 8 in. The second box’s dimensions are twice that of the first box. How many times larger is the surface area of the second box than the first box?
A. The surface area of the second box is 6 times larger.
B. The surface area of the second box is 4 times larger.
C. The surface area of the second box is 3 times larger.
D. The surface area of the second box is 2 times larger.
Answer:
The correct option is B: the surface area of the second box is 4 times larger.
Step-by-step explanation:
The surface area of the first box is given by:
[tex] SA_{1} = 2l_{1}h_{1} + 2w_{1}h_{1} + 2l_{1}w_{1} [/tex]
Where:
l₁: is the length = 8 in
h₁: is the height = 15 in
w₁: is the width = 6 in
[tex] SA_{1} = 2*8*15 + 2*6*15 + 2*8*6 = 516 in^{2} [/tex]
The second box's dimensions are:
l₂ = 2*8 in = 16 in
h₂ = 2*15 in = 30 in
w₂ = 2*6 in = 12 in
Hence, the surface area of the second box is:
[tex]SA_{2} = 2*2l_{1}*2h_{1} + 2*2w_{1}*2h_{1} + 2*2l_{1}*2w_{1} = 4(2l_{1}h_{1} + 2w_{1}h_{1} + 2l_{1}w_{1}) = 4*SA_{1} = 4*516 in^{2} = 2064 in^{2}[/tex]
Therefore, the correct option is B: the surface area of the second box is 4 times larger.
I hope it helps you!
If you want to eat a lot of bear, what's the cheapest way
to get your fix? Use the prices below.
A package of 352 mini bears costs $6.99.
A package of 587 regular bears costs $8.88.
One Super-bear costs $29.99.
Answer:
fghf
Step-by-step explanation:
Solve this simultaneous equation 4 + 3 = 11 5 + 2 = 12
What is the solution set to the equation 4x2 – 16 = 0?
Answer:
2
Step-by-step explanation:
add 16 to zero
4x2=16
Divide 4x by 2 and 16 by two
4x=8
divide 8 by 4
x=2
Answer:
x = ± 2
Step-by-step explanation:
Given
4x² - 16 = 0 ( add 16 to both sides )
4x² = 16 ( divide both sides by 4 )
x² = 4 ( take the square root of both sides )
x = ± [tex]\sqrt{4}[/tex] = ± 2
solutions are x = - 2, x = 2
HELP!!!!
What is the total surface area of the figure?
Answer:
200cm
Step-by-step explanation:
find the component form of -u-v given that u = -2,3 and v= 2, -4
Answer:
0,-1
Step-by-step explanation:
Can someone please help. Please show work
Answer:
11. parallelogram, rectangle
12. parallelogram, rhombus
13. parallelogram, square
For parallelogram:
In Euclidean geometry, a parallelogram is a simple (non-self-intersecting) quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.
for rectangle:
A quadrilateral is a polygon in Euclidean plane geometry with four edges (sides) and four vertices (corners). Other names for quadrilateral include quadrangle (in analogy to triangle), tetragon (in analogy to pentagon and hexagon), and 4-gon (in analogy to n-gons for arbitrary values of n).
for rhombus:
In plane Euclidean geometry, a rhombus (plural rhombi or rhombuses) is a quadrilateral whose four sides all have the same length. Another name is equilateral quadrilateral, since equilateral means that all of its sides are equal in length. The rhombus is often called a diamond.
for Square:
·There are four methods that you can use to prove that a quadrilateral is a square. In the last three of these methods, you first have to prove (or be given) that the quadrilateral is a rectangle, rhombus, or both:
·If a quadrilateral has four congruent sides and four right angles, then it’s a square (reverse of the square definition).
·If two consecutive sides of a rectangle are congruent, then it’s a square (neither the reverse of the definition nor the converse of a property).
·If a rhombus contains a right angle, then it’s a square (neither the reverse of the definition nor the converse of a property).
·If a quadrilateral is both a rectangle and a rhombus, then it’s a square (neither the reverse of the definition nor the converse of a property).
3,000 marbles in 200 jars
Answer:
15 marbles in a jar.
Step-by-step explanation:
[tex]\frac{y}{3000} :\frac{1}{200}[/tex]
y · 200 = 3000 · 1
200y = 3000
200y ÷ 200 = 3000 ÷ 200
y = 15
Answer:
15 marbles in each jar don't know if that's what you're asking.
Step-by-step explanation:
but thx for points
How does self-reflection affect how you learn? Does it make you pay attention to the way you learn? Does it help you focus on overall concepts? Does it give you information about what you need to study? Explain your answer.
Answer:Self-reflection can help you recognise the progress you made in a lesson, whilst simultaneously allowing you to consider improvements that you could make. We learn by experiences and mistakes. ... Self-reflection enables you to move from just experiencing, into understanding
Step-by-step explanation:bECAUSE IM SMARTTTT
Ms. Brockman wants to take her class on a trip to either the nature center or the zoo. The nature center charges $4 per student, plus $95 for a 1-hour naturalist program. The zoo charges $6 per student plus $75 for a 1-hour guided tour. Find the number of students where the two field trips would have the same cost.
Help me with this ASAP please!
Answer:
10 degrees
Step-by-step explanation:
The total area of the triangle will equal 180 degrees.
Firstly add 108 and 48 to get a total of 156.
Now add the 14 from (x+14). You will get 170.
Since the total would be 180 degrees, you subtract 170 from 180.
180-170=10!!!
Brainliest goes to whoever answers correctly try to show work ONLY if you can
Factorise fully
-X – 10
Pls help
Answer:
-X – 10=-1(x+10) is your answer
Which expression can be used to determine the slope of the linear function represented in the table?
x y
0 5
4 9
A. StartFraction 9 minus 5 Over 4 minus 0 EndFraction
B. StartFraction 4 minus 0 Over 9 minus 5 EndFraction
C. StartFraction 5 minus 0 Over 9 minus 4 EndFraction
D. StartFraction 9 minus 4 Over 5 minus 0 EndFraction
Answer:
C
Step-by-step explanation:
Answer:
its C.
Step-by-step explanation:
80 POINTS !!!!! PLEASE HELP.
There is a triangle with sides measuring 301, 30in and 25. Is this a nighttrange? Why or why not?
Answer:
No
Step-by-step explanation:
Assume you are asking if 30 in, 30 in, 25 in triangle if right.
Since two longer sides are equal this can't be a right triangle. Remember the hypotenuse is the longest side and the right triangle can be isosceles if shorter sides are of same size.
Check through Pythagorean theorem
H²=P²+B²301²=30²+25²No it's false
It's not right angled
PLS ANSWER I WILL MAKE YOU BRAINLIEST
A surveyor is standing 118 feet from the base of the Washington Monument. The surveyor measures the angle of elevation from the ground to the top of the monument to be 78°.
Find the height h of the Washington Monument to the nearest foot.
Answer:
555.1 ft
Step-by-step explanation:
Find the area of the shape below
Answer:
I got 58, I hope the picture helped