Answer:
0.1169
Step-by-step explanation:
We solve the question using the z score formula
z = (x-μ)/σ/√n where
x is the raw score = 4800 miles
μ is the population mean = 4550 miles
σ is the population standard deviation = 1470 miles
n is the random number of samples = 49 drivers
Greater than sign = >
For x > 4800 miles
z = 4800 - 4550/1470/√49
= 4800 - 4550/1470/7
= 4800 - 4550/210
= 1.19048
Probability value from Z-Table:
P(x<4800) = 0.88307
P(x>4800) = 1 - P(x<4800)
P(x>4800) = 1 - 0.88307
P(x>4800) = 0.11693
Approximately to 4 decimal places = 0.1169
Therefore, the probability that these drivers have a sample mean greater than 4800 miles is 0.1169
Please help please
Find the volume of a right circular cone that has a height of 3.5 ft and a base with a
diameter of 11.9 ft. Round your answer to the nearest tenth of a cubic foot.
Answer:
Step-by-step explanation:
just multiply the too nubers u have and thats ur answer
Answer:
129.76
Step-by-step explanation:
V=πr2h
3=π·5.952·3.5
3≈129.75694
Help please i donit know the answer
Answer:
96°
Step-by-step explanation:
Opposite angles in a parallelogram are equal.
Answer:
hi
Step-by-step explanation:
The distances two cars travel over time are given in the table.
Answer:
..........................
how do I solve 1.25xsquared equals 2x(x-3)?
Thank you
Answer:
We think you wrote:
2x(x-3)=1.25x^2
This deals with reducing fractions to their lowest terms.
Overview
Steps
Topics
2 solution(s) found
See steps
Step by Step Solution
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Reformatting the input :
Changes made to your input should not affect the solution:
(1): "1.25" was replaced by "(125/100)".
Rearrange:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
2*x*(x-3)-((125/100)*x^2)=0
Step by step solution :
STEP
1
:
5
Simplify —
4
Equation at the end of step
1
:
5
(2x • (x - 3)) - (— • x2) = 0
4
STEP
2
:
Equation at the end of step 2
5x2
(2x • (x - 3)) - ——— = 0
4
STEP
3
:
Equation at the end of step 3
5x2
2x • (x - 3) - ——— = 0
4
STEP
4
:
Rewriting the whole as an Equivalent Fraction
4.1 Subtracting a fraction from a whole
Rewrite the whole as a fraction using 4 as the denominator :
2x • (x - 3) 2x • (x - 3) • 4
2x • (x - 3) = ———————————— = ————————————————
1 4
Equivalent fraction : The fraction thus generated looks different but has the same value as the whole
Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator
Adding fractions that have a common denominator :
4.2 Adding up the two equivalent fractions
Add the two equivalent fractions which now have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:
2x • (x-3) • 4 - (5x2) 3x2 - 24x
—————————————————————— = —————————
4 4
STEP
5
:
Pulling out like terms :
5.1 Pull out like factors :
3x2 - 24x = 3x • (x - 8)
Equation at the end of step
5
:
3x • (x - 8)
———————————— = 0
4
STEP
6
:
When a fraction equals zero :
6.1 When a fraction equals zero ...
Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.
Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.
Here's how:
3x•(x-8)
———————— • 4 = 0 • 4
4
Now, on the left hand side, the 4 cancels out the denominator, while, on the right hand side, zero times anything is still zero.
The equation now takes the shape :
3x • (x-8) = 0
Theory - Roots of a product :
6.2 A product of several terms equals zero.
When a product of two or more terms equals zero, then at least one of the terms must be zero.
We shall now solve each term = 0 separately
In other words, we are going to solve as many equations as there are terms in the product
Any solution of term = 0 solves product = 0 as well.
Solving a Single Variable Equation:
6.3 Solve : 3x = 0
Divide both sides of the equation by 3:
x = 0
Solving a Single Variable Equation:
6.4 Solve : x-8 = 0
Add 8 to both sides of the equation :
x = 8
Two solutions were found : x = 8 x = 0which is the best approximation for the value 140
Answer:
12
Step-by-step explanation:
(22+6)÷14×2+5 pleaseeeeeeeeeeeeee helppp
Answer:
9
Step-by-step explanation:
22+6=28
28/14=2
2x2=4
4+5=9
i’ll give brainliest to first correct answer.
A bag contains 5 purple buttons, 12 blue buttons and 3 green buttons. A single button is randomly chosen.
What is the probability you select a blue button, replace it, and then select a green button?
Answer:
60%
Step-by-step explanation:
5+3+12=20
20 = 1/5 of 100
12 x 5 = 60
What is the next term of the arithmetic sequence?
-6, -3,0,3, I
Answer:
6Step-by-step explanation:
Given arithmetic sequence:
-6, -3, 0, 3, ...To determine the next term first find the common difference:
3 - 0 = 0 - (-3) = -3 - (-6) = 3Add common difference to the last term to find the following term:
3 + 3 = 6Next term is 6
I will give brainiest to whoever answers correctly !!
Select the correct answer. What are the roots of this quadratic equation? 3x^2 + 10 = 4x
A.x=-4±6i√26
B.x=-2±i√26/3
C.x=2±i√26/2
D.x=2±i√26/3
The equation 5w+16=61
5
w
+
16
=
61
models how many weeks, w
w
, it takes a puppy to reach a weight of 61
61
ounces after being born. If the puppy gains the same amount of weight each week, how many weeks does it take the puppy to reach 61
61
ounces?
Answer:
9 weeks.
Step-by-step explanation:
The equation 5w+16=61 models how many weeks, w it takes a puppy to reach a weight of 61 ounces after being born.
5w+16=61
Subtract 16 from both sides of the above equation.
5w+16-16=61-16
5w = 45
w = 9
Hence, the puppy will take 9 weeks to reach 61 ounces.
The diameter of a coin is 26mm. Mathew lined up 56 coins from the left end of his desk to the right end of his desk. What is the width (measured in cm) of his desk?
Answer:
Your answer is 145.6
Step-by-step explanation:
First multiply 56 and 26 which then you get 1456mm then divide the length value by ten and then you get 145.6.
Hope I helped!
Find the value of X. Giving brainliest if correct!
Answer:
X=24
Step-by-step explanation:
I did this when I was a freshman and I was always really good at it
Christopher Columbus set sail from Spain in 1492. In what year did the Civil War end?
Font Sizes
Answer:
May 9, 1865
Step-by-step explanation:
PLEASE HELP ASAP I HAVE NO CLUE HOW TO DO THIS ONE!!
Answer:
16
Step-by-step explanation:
13+4 is 17
The smallest whole-number less that 17 is 16, so the answer is 16.
Hope this helped!
7a + 2b =22 3a +4b=11
Answer:
i didnt understand dear
Answer:
i understand super Bowl party of cylinde and audio track of rhombus are the diagonal of matrix and audio track of your life with hi I have a good idea for a good day please find the attached file is scanned image in hi I was just wondering what the e mail address that I have a great day please find attached the diagonal of matrix of cylinde and recording in the attached file is attached file for your time in hi there I was thinking we could have
Solve for y: 2x - y = 3
PLEASE GIVE STEPS!!
Answer:
I think its 2×3 - 3 = 3
I think
Help help im so confused as per usual
Answer:
Step-by-step explanation:
a. HM = 14
HN = 21
HK = 10.5
Based on intersecting chords theorem,
HK*HJ = HM*HN
10.5*HJ = 14*21 (Substitution)
HJ = 294/10.5
HJ = 28
b. VC = 7.2
VG = 12
Based on tangent-secant theorem, thus:
VD*VC = VG²
VD*7.2 = 12²
VD = 144/7.2
VD = 20
Therefore,
CD = VD - VC
CD = 20 - 7.2
CD = 12.8
please help. please. dont answer if you dont know the actual answer please!!!
Answer:
its c
Step-by-step explanation:
f(x)=3.5*
The function y = 1.5x + 9 represents the cost y (in dollars) of a large pizza with a toppings, where x is equal to
1, 2, or 3.
Identify the independent and dependent variables, the domain, and the range.
i’ll give brainiest pls
Answer: independent variable = x, Dependent variable = y, Domain = {1,2,3}, Range = {10.5, 12, 13.5}
Step-by-step explanation:
Given : function y = 1.5x + 9 represents the cost y (in dollars) of a large pizza with a toppings, where x is equal to 1, 2, or 3.
here , independent variable = x (Number of toppings on with cost is dependent)
Dependent variable = y
Domain = Set values of x = {1,2,3}
At x = 1 , y = 1.5+9 = 10.5
At x= 2 , y= 1.5(2) + 9 = 12
At x= 3, y = 1.5(3) + 9 = 13.5
Range = set of values of y = {10.5, 12, 13.5}
You spend $65 on a meal including tax and want to leave a tip that is 20% of the $65. What is the total cost, with the tip ?
Answer:
$78
Step-by-step explanation:
20% of 65 = 13
13 + 65 = 78
2. ANSWER=
On one trip, the Skunk Train traveled at a constant speed of 20 mph.
Passengers enjoyed the scenery for the 2 hours they were riding the train.
How many miles was the trip?
A. 40 mi
B. 30 mi
C 20 mi
D
10 mi
Answer:
a yes udjwjwjwjwjwjwjwjwjw
yes men es chef
5TH GRADE MATH PLEASE HELP ASAP 50 POINTS
I wish this thing had a table I could put the answers into but I'll do the best I can. Imagine the / as the lines of the table!
time in hours / # of bracelets / speed
2 / 12 / 6
5 / 7 / 6
7 / 44 / 6
11 / 66 / 6
17 / 100 / 6
question is on pic :)
Answer:
Number 1 is nonlinear because the line is not straight and number 2 is linear.
Step-by-step explanation:
If you flip a fair coin five times what is the probability that you will get exactly 3 tails
Answer:
5/16 or 10/32
Step-by-step explanation:
i need help i need help i need help i need help i need help i need help i need help i need help i need help
Answer:
number 9 is (B) i believe
Step-by-step explanation:
i may be wrong and i didn't know which question you wanted awnsered
Answer:
number 9 is be if you want the others answered please comment under this and I will respond
explanation:
Can you please give brainliest
name a 2 digit odd number that is prime. Name a 2 digit odd number that is composite .
i need this now i will give you brainlest
A theatre ticket costs £37 plus a booking fee of 4%.
What is the total price of the ticket?
Answer:
£38.48
Step-by-step explanation:
First, we have to find what 4% of 37 is, so our equation is:
37 x 0.04 = 1.48
Then we have to add that 4% to the original cost:
1.48 + 37 = 38.48
So the total price of the theatre ticket is £38.48
I am in need of help.
Answer:
0/33
Step-by-step explanation:
There are 12 people who play tennis, but all of those 12 people also play football, so nobody only plays tennis.