Answer:
0
Step-by-step explanation:
There are 28 students in Brad’s class. Their teacher is giving each of them 16 pieces of notebook paper, to make a journal. How many pieces of paper will they need?
Answer:
448
Step-by-step explanation:
This is Multipilcation, 26 x 16 = 448
Answer: 448
Step-by-step explanation: This is Multiplication, 26 x 16 = 448
please give brainiest
Ten percent of the items produced by a machine are defective. Suppose that twenty items are randomly chosen. Use this information to answer the following three questions. What is the probability that exactly 3 of the items are defective
Answer:
15%
Step-by-step explanation:
if 10% is to 20 then 15% is to 30
1
Determine whether the triangles are similar. If they are, write a similarity statement.
42°
48
Are they similar?
If so, then which of the following is an accurate similarity statement?
Answer:
theyre not similar
Step-by-step explanation:
they have different angles
A particle starts to move from rest in a straight line with an acceleration which increases with constant time rate from 1 ft./sec^{2} to 4 ft./sec^{2} in one second. prove that the particle will move a distance of 1 ft. in this second.
The particle's acceleration a increases at a constant rate, so that its average rate of change is equal to its instantaneous rate of change, which is equal to
(4 ft/s² - 1 ft/s²) / (1 s) = 3 ft/s³
The particles starts with acceleration a (0) = 1 ft/s², so we can determine its acceleration at time t by the fundamental theorem of calculus:
a(t) = a (0) + ∫₀ᵗ (3 ft/s³) du
a(t) = 1 ft/s² + (3 ft/s³) t
It also starts from rest, so with initial velocity v (0) = 0. Integrating again gives us the velocity function,
v(t) = v (0) + ∫₀ᵗ a(u) du
v(t) = ∫₀ᵗ (1 ft/s² + (3 ft/s³) u) du
v(t) = (1 ft/s²) t + 1/2 (3 ft/s³) t ²
Taking the particle's initial position to be x (0) = 0, compute the integral again to determine the distance it travels in 1 s:
x(t) = x (0) + ∫₀ᵗ v(u) du
x(t) = ∫₀ᵗ ((1 ft/s²) u + 1/2 (3 ft/s³) u ²) du
x(t) = 1/2 (1 ft/s²) t ² + 1/6 (3 ft/s³) t ³
→ x (1 s) = 1/2 (1 ft/s²) (1 s)² + 1/6 (3 ft/s³) (1 s)³ = 1 ft
PLEASE HELP!! I NEED THIS ANSWER TO GET A GOOD GRADE!!!!!
Answer:
-5-4
Step-by-step explanation:
Let me know if I am wrong, if I am I apologize.
Have a good one.
ANSWER NOW PLEASE
for a singing contest in which 42,000 votes were cast, the winner received 3/5 of the votes. how many votes did the winner not receive
Given,
Total number of votes casted = 42,000
The winner received 3/5 of the votes.
To find,
How many votes did the winner not receive.
Solution,
Votes received by the winner is :
[tex]\dfrac{3}{5}\times 42000\\\\=25200[/tex]
Votes didn't received by the winner = Total votes - votes received
= 42,000 -25200
= 16800
Hence, 16800 votes is not received by the winner.
Given the following list of data, find the median.
1,3, 1.23, 2, 4, 22, 13, 26. 8
Answer:
solution
or, (N+1) th item
_
2
or ,8+1 th item
_
2
or,9
_
2
or,4.5 th item hence the median is4
The median of the given numbers will be 8.5.
What is the median?The Median is the middlemost value of the numbers arranged in ascending orders. If the number of the data is an odd number so the median will be a middle number if the number of the data is even then the median is the mean of the middle two numbers.
The given data is:-
1 , 1.23 , 2 , 3 , 4 , 13 , 22 , 26.8
The total numbers of the data are 8 so the median will be calculated as:-
Median = ( 4 + 13 ) / 2
Median = 17 / 2
Median = 8.5
Therefore the median of the given numbers will be 8.5.
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If point E is the midpoint of segment AC and point D is the midpoint of segment BC, which expression represents the value of u? triangle CAB, point E is on segment AC between points A and C and point D is on segment BC between points B and C, creating segment ED, CE equals p, EA equals r, CD equals q, DB equals t, ED equals s, and AB equals u u equals p over q u = one halfs u equals q over p u = 2s
Answer:
u=2s
Step-by-step explanation:
just took the exam
The expression that most effectively represents u's value would be:
D). u = 2s
Given that,
In ΔABC,
E is the midpoint in the segment AC,
While D is the midpoint of BC,
As different letters are provided equivalent to different segments. For example; Segment ED = s ; Segment CE = p ; Segment EA = r
Segment CD = q ; Segment DB = t ; Segment ED = s ; Segment AB = u
As,
CE = 0.5 × AC(midpoint)
CD = 0.5 × CB (midpoint)
Thus,
CE/AC = CD/CB = ED/AB = 1/2 (Through side angle side similarity)
Since ED = s and AB = u
∵ u = 2s (using midpoint theorem)
Thus, option D is the correct answer.
Learn more about "Segment" here:
brainly.com/question/13330632
Lines l and M are parallel. Line l can be represented by the equation 3x+4y=8. If line m passes through the point (2, -5), which equation can be used to find the equation of line m?
Answer:
3y - 4x + 7 = 0
Step-by-step explanation
The equation of the line l in point slope form is expressed as;
y-y0 = m(x-x0)
Get the slope m of the known line
Given the line 3x+4y=8
4y = -3x+8
y = -3x/4 + 2
m = -3/4
The slope of the line m = -1/(-3/4) = 4/3
Substitute m = 4/3 and the point (2,-5) into the expression above;
y - (-5) = 4/3(x-2)
y+5 = 4/3 x + 8/3
Multiply through by 3;
3y + 15 = 4x + 8
3y-4x + 15 - 8 = 0
3y - 4x + 7 = 0
Hence the equation that can be used to find the equation of line m is 3y - 4x + 7 = 0
Equation that can be used to find the equation of line m is
[tex]y+5=\frac{-3}{4} (x-2)[/tex]
Given :
Lines l and M are parallel. Line l can be represented by the equation 3x+4y=8
Line m passes through the point (2, -5)
Equation of line L is [tex]3x+4y=8[/tex]
Lets find out the slope of the given equation by writing it in y=mx+b form
where m is the slope
[tex]3x+4y=8\\4y=-3x+8\\y=\frac{-3}{4}x +2[/tex]
the slope of line L is [tex]\frac{-3}{4}[/tex]
Slope of parallel lines are equal
slope of parallel line M is also [tex]\frac{-3}{4}[/tex]
Line M passes through (2,-5)
We use point slope formula to find equation of line m
[tex]y-y_1=m(x-x_1)\\y+5=\frac{-3}{4} (x-2)\\[/tex]
Multiply both sides by 4
[tex]4(y+5)=-3 (x-2)\\4y+20=-3x+6\\3x+4y+20=6\\3x+4y=14[/tex]
equation can be used to find the equation of line is
[tex]y+5=\frac{-3}{4} (x-2)[/tex]
Learn more : brainly.com/question/19729250
One year, the population of a city was 333,000. Several years later it was
293,040. Find the percent decrease.
Answer:12%
Step-by-step explanation:
(333000-293040)×100/333000
Any help please thank you I appreciate it
Answer:
x=33
Step-by-step explanation:
The angles have to add up to 180, so you get:
2x - 18 + 4x = 180
6x = 180 + 18
x = 198/6
x = 33
An ice cream shop offers 3 ice cream flavors 3 types of syrup and 2 toppings for sundaes
Answer: 18
Step-by-step explanation:
A chef got 4 bags of onions. The red onions came in bags of 7 and the yellow onions came in bags of 3. If the chef got a total of 24 onions, how many bags of each type of onion did he get?
Help me please
Answer: He for three red bags and one yellow.
Step-by-step explanation:
3x7=21
1x3=3
21+3=24
Answer:
3 bags of red and 1 bag of yellow onions.
Step-by-step explanation:
7 + 7 + 7 + 3 = 24
83, 15, 50, 28, 52, 96 - What is the mean? What is the mode? What is the median?
Answer:
Mean: 54
Mode: There is none
Median: (50+52)/2 = 51
Step-by-step explanation:
Hope this helps!!! :D
Fill in the blanks to explain Meera's UDid
You already have a correct answer written!
1.Which statement about two negative numbers is true? .
Answer:
To negative numbers makes a positive number.
(only in dividing and multiplying)
Step-by-step explanation:
Please mark me brainliest
g Suppose you work for a publishing company and before launching a new magazine targeting fashion-oriented consumers, your boss wants to hold a meeting with perspective advertisers. Assume that annual expenditures on magazine ads in this genre are normally distributed with a mean of $316,532 and a standard deviation of $45,635. If the publisher wants to exclude companies with the smallest 2.74% in terms of annual expenditures on magazine ads from the sales meeting, what is the approximate minimum annual expenditure on magazine ads an advertiser would be required to have so that advertiser would be invited to the meeting
Answer:
X ≈ 228913 $
Step-by-step explanation:
The standard score z is:
z = ( X- μ ) /σ (1)
Now z (score ) for 2,74 % is:
2,74 % is 0,0274 and from z table z (score) = - 1,92
By subtitution in equation 1
-1,92 = ( X - 316532 ) / 45635
- 87619,20 + 316532 = X
X ≈ 228913 $
Which three quantities are needed in order to calculate the value of the Y-intercept for the linear
regression prediction equation?
The slope, the mean of X, and the total number of observations in the data
The slope, the mean of Y, and the total number of observations in the data
The mean of X, the mean of Y, and the total number of observations in the data
The mean of X, the mean of Y, and the slope
9514 1404 393
Answer:
(d) The mean of X, the mean of Y, and the slope
Step-by-step explanation:
A point on the linear regression curve is (mean(x), mean(y)). With that point and the slope, the equation of the line can be found. That equation will reveal the y-intercept.
y-intercept = mean(y) -slope·mean(x)
What is the simplified value of the exponential expression 273?
Answer:
3
Step-by-step explanation:
27^1/3
= 3√27
=3 is the collect option
In ΔUVW, w = 9.7 cm, ∠W=110° and ∠U=42°. Find the length of u, to the nearest 10th of a centimeter
9514 1404 393
Answer:
6.9 cm
Step-by-step explanation:
The law of sines is useful here:
u/sin(U) = w/sin(W)
u = w · sin(U)/sin(W) = (9.7 cm)sin(42°)/sin(110°)
u ≈ 6.9 cm
Answer:
6.9
Step-by-step explanation:
helpppppp now plssss
Answer:
translation of four units up
Step-by-step explanation:
Answer:
A. translation of 4 units up
Step-by-step explanation:
Take one point from each line, for example:
f(x): (0, 1)g(x): (0, 5)The y-values of these points are 5 points apart, therefore, f(x) was translated 4 units up to get g(x).
Suppose y varies directly with x. Write a direct variation equation to relate x and y if y = 10 when x = 2
Answer:
y=5x and y=40 when x=8
Answer:
y = 5x
Step-by-step explanation:
Given that y varies directly with x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 10 when x = 2
10 = 2k ( divide both sides by 2 )
5 = k
y = 5x ← equation of variation
vary hard 11th grade test paper
Penelope's car gets 300 miles on 20 gallons of gas. Blake's car gets 495 miles on 15 gallons of gas.
Which car has better gas mileage?
Answer:
Blake's car gets better mileage
Step-by-step explanation:
In order to find how many miles you get per gallon, you would do miles/gallons
As I'm typing this I realize it makes no sense but pretty much you just do 300/20 which is 15 mpg, and 495/15 which is 33 mpg, therefore Blake's car is better
Brayden and his friends are driving across the US from New York to Los Angeles at a constant speed without stopping. When they have driven for 10 hours, they are 1700 miles away from Los Angeles. When they have driven for 15 hours, they are 1500 miles away from Los Angeles.a) Find a linear function that models the remaining distance, DD, to Los Angeles as a function of the amount of time, t, that Brayden and his friends have been driving.
Answer:
d=-40t+2100
Step-by-step explanation:
Let d be the distance between New York to Los Angeles and speed of driving is v miles/hour.
As when they have driven for 10 hours, they are 1700 miles away from Los Angeles, so the distance covered in 10 hours is d-1700 miles.
Similarly, the distance covered in 15 hours is d-1500 miles.
So, the distance covered in 5 hours = (d-1500)-(d-1700) =d-1500-d+1700=200 miles.
As speed = distance/time,
So the speed of driving, v=200/5=40 miles/hour
Let d (in miles) be the remaining distance at any time instant t (in hour) and the linear relation between d and t is
d=at+b ...(i)
where a and b are constants.
When they have driven for 10 hours, they are 1700 miles away from Los Angeles, so putting t=10 and d=1700 in the equation (i), we have
1700=10a+b
b=1700-10a...(ii)
Similarly, when they have driven for 15 hours, they are 1500 miles away from Los Angeles, so
1500=15a+b
1500=15a+1700-10a
1500-1700=5a
-200=5a
a= -200/5
a= -40
From equation (ii), we have
b=1700-10(-40)=1700+400=2100
From equation (i), the required equation is
d=-40t+2100
Hence the required linear function is d=-40t+2100.
The value of y is directly proportional to the value of x. If y = 35 when & = 140, what is the value of y when 3 = 70
answer choices -
17,5
280
70
35
please help with this
Answer:
[tex]S_{n}[/tex] = n² + 4n ; n = 11
Step-by-step explanation:
[tex]S_{n}[/tex] = [tex]\frac{n}{2}[/tex] [2 [tex]a_{1}[/tex] + (n - 1)d]
~~~~~~~~~
[tex]a_{1}[/tex] = 5
d = 7 - 5 = 2
[tex]S_{n}[/tex] = [tex]\frac{n}{2}[/tex] [ 2(5) + 2(n - 1)] = [tex]\frac{n}{2}[/tex] ( 8 + 2n ) = 4n + n²
[tex]S_{n}[/tex] = n² + 4n
n² + 4n = 165
n² + 4n - 165 = 0
(n + 15)(n - 11) = 0 ( n ≥ 0 ) ⇒ n = 11
Simplify using the laws of exponets.
Answer:
2*5
Step-by-step explanation:
when youre dividing with powers you have to subtract them so 2*5-2*4=2*1. When the power is in brackets you multiply the whole power. So 2*1 x 5 = 2*5.
PLEASE HELP IT WOULD MEAN A LOT THX! :(
Jada has 12 library books checked out and Han has 1/4 less than that. How many books does
Han have checked out?
