Answers
Get the LCD (Least Common Denominator) which is the answer to 6(9)
11/6 (9)
99/54
7/9 (6)
42/54
99/54 = n + 42/54
Subtract 42/54 on both sides
57/54 = n
Simplify if possible. (divide by 3)
19/18 = n
Answer: 1. [tex]\frac{19}{18}=n[/tex]
2. x=4
Step-by-step explanation:
[tex]\frac{11}{6}-\frac{7}{9}=n[/tex] First, you have to subtract [tex]\frac{7}{9}[/tex] from both sides to have n by its self.
[tex]\frac{33}{18}-\frac{14}{18}=n[/tex] Then find the common denominator. And subtract it
[tex]\frac{19}{18}=n[/tex]
6.2-2.2=x Subtract 2.2 from both sides to have x by its self.
4=x
Related Questions
For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 28 N acts on a certain
object, the acceleration of the object is 7 m/s². If the acceleration of the object becomes 3 m/s2, what is the force?
Answers
Answer:
Step-by-step explanation:
F=ma
28=7m
m=28/7=4
F=4a
when a=3 m/s²
F=4×3=12 N
determine the slope of the line that passes through each pair of points (3,8) and (1,5)
Answers
Answer:
3/2
Step-by-step explanation:
Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. When designing a study to determine this population proportion, what is the minimum number of drivers you would need to survey to be 95% confident that the population proportion is estimated to within 0.05?
If it was later determined that it was important to be more than 95% confident and a new survey was commissioned, how would that affect the minimum number you would need to survey? Why?
a. If the confidence level is increased, then the sample size would need to increase because a higher level of confidence increases the margin of error.
b. If the confidence level is increased, then the sample size would need to decrease because increasing the sample size would create an even larger interval.
c. If the confidence level is increased, then the sample size would need to decrease because we would like the proportion of people who buckle up to be around 50%.
d. If the confidence level is increased, then the sample size would not be affected.
Answers
Answer:
The value is [tex]n = 384 [/tex]
The correct option is a
Step-by-step explanation:
From the question we are told that
The margin of error is E = 0.05
From the question we are told the confidence level is 95% , hence the level of significance is
[tex]\alpha = (100 - 95 ) \%[/tex]
=> [tex]\alpha = 0.05[/tex]
Generally from the normal distribution table the critical value of is
[tex]Z_{\frac{\alpha }{2} } = 1.96[/tex]
Generally since the sample proportion is not given we will assume it to be
[tex]\^ p = 0.5[/tex]
Generally the sample size is mathematically represented as
[tex]n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p ) [/tex]
=> [tex]n = [\frac{ 1.96 }{0.05} ]^2 *0.5 (1 - 0.5) [/tex]
=> [tex]n = 384 [/tex]
Generally the margin of error is mathematically represented as
[tex]E = Z_{\frac{\alpha }{2} } * \frac{\sigma }{\sqrt{n} }[/tex]
Generally if the level of confidence increases, the critical value of [tex]\frac{\alpha }{2}[/tex] increase and from the equation for margin of error we see the the critical value varies directly with the margin of error , hence the margin of error will increase also
So If the confidence level is increased, then the sample size would need to increase because a higher level of confidence increases the margin of error.
At Mr. McNeely's farm, there were 75 sheep and 60 cows. What is the ratio of the number of cows to the number of sheep at Mr. McNeely's farm?
Answers
Answer:
4:5
Step-by-step explanation:
The ratio will be 60 : 75
When simplified becomes 4:5
Allan wanted to become a machine salesperson. He was offered a job that paid him $40,000 a year plus a commission of $300 for every machine he sells. If Allan made &50,800 last year, how many machine did he sell?
Answers
Answer:
36
Step-by-step explanation:
50800-30000=10800/300=36
:)
Can you solve this?: 5+2x=12+x
Answers
Answer:
5+2x=12+x
put all numbers and Xs on one side each
-x=7
so x=-7
Can someone Help me ASAP plss!!
Answers
An integer is 15 more than 2 times another. If the product of the two integers is -27, then find the integers
Answers
Answer:
The required integers are x=3 and y= -9
Step-by-step explanation:
Let one the integers be x and y
An integer is 15 more than 2 times another: x=15+2y
product of the two integers is -27: x*y=27
[tex]x=15+2y ---eq(1)\\x*y=-27----eq(2)[/tex]
Solving both equations to find values of x and y
Putting value of x from equation 1 in equation 2
[tex](15+2y)*y=-27\\15y+2y^2=-27\\Rearranging:\\2y^2+15y-27=0[/tex]
This can be solved using quadratic formula:
[tex]$y=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$[/tex]
Putting values and finding factors
[tex]$y=\frac{-(15)\pm\sqrt{(15)^2-4(2)(-27)}}{2(2)}$\\$y=\frac{-(15)\pm\sqrt{225+216}}{4}$\\$y=\frac{-(15)\pm\sqrt{441}}{4}$\\$y=\frac{-(15)\pm21}{4}$\\$y=\frac{-(15)+21}{4} \ or \ y=\frac{-(15)-21}{4}$\\$y=\frac{6}{4} \ or \ y=\frac{-36}{4}$\\$y=\frac{3}{2} \ or \ y=-9$[/tex]
Since y is integer so, we consider only y= -9
The value of x will be:
[tex]x*y=-27\\x*(-9)=-27\\x=\frac{-27}{-9} \\x=3[/tex]
So, the value of x is x=3
The required integers are x=3 and y= -9
An item that cost $220 has been marked up by 15% since last year. However, a person can buy the item for a 25%
employee discount. How much will the employee pay?
Answers
Answer:189.75
Step-by-step explanation: 220 * 0.15 = 33
220 + 33 = 253
253 * 0.25 = 63.25
253 - 63.25 = 189.75
The function t= 21.55 cos (pi/6(m-7)) + 43.75 models the average high temperature in degrees Fahrenheit each month
Answers
Answer:
B - 8
Step-by-step explanation:
Answer:
answer is letter b 8
Step-by-step explanation:
i need help pls i cant understand my math hw
Answers
Answer:
Ok
Step-by-step explanation:
So what are we magically supposed to know what the equation is
Answer:
uh
Step-by-step explanation:
for us to help please write the question you are stuck on
$6,000 is invested in an account at interest rate r, compounded continuously. Find the time (in years) required for the amount to double when r= 9.5% and when r=2.5%.
Answers
Answer: When r= 9.5% , time = 7.3 years
When r= 2.5% , time = 27.7 years
Step-by-step explanation:
Exponential equation for compounded continuously:
[tex]A=Pe^{rx}[/tex] , where P= Principal value invested , r= rate of interest, x= time
Given : P= $6,000
A = 2P= 2 ($6,000) = $12,000 (i)
When r= 9.5%= 0.095
[tex]A= 6000e^{0.095x}[/tex] (ii)
From (i) and (ii)
[tex]6000e^{0.095x}=12000\\\\\Rightarrow\ e^{0.095x}=2\\\\\Rightarrow\ \ln e^{0.095x} =\ln 2\\\\\Rightarrow\ 0.095x=0.693147\\\\\Rightarrow\ x=\dfrac{0.693147}{0.095}=7.296284210\approx7.3 \text{ years}[/tex]
For r= 2.5% = 0.025
[tex]6000e^{0.025x}=12000\\\\\Rightarrow\ e^{0.025}=2\\\\\Rightarrow\ \ln e^{0.025x} =\ln 2\\\\\Rightarrow\ 0.025x=0.693147\\\\\Rightarrow\ x=\dfrac{0.693147}{0.025}=27.72588\approx27.7 \text{ years}[/tex]
What is 20 divided by 740 with remainder
Answers
Answer:
37 R0
Step-by-step explanation:
740/20=37, so there is no remainder.
I hope this helps you! Have a great day c:
Dividing 20 by 740 gives us remainder 20 and quotient 0.
To find the result of 20 divided by 740 with a remainder,
Perform the division and take note of the quotient and remainder.
20 ÷ 740 = 0 with a remainder of 20.
Division is a mathematical operation that involves splitting a number (the dividend) into equal parts,
with a divisor indicating how many parts we want to split it into.
The quotient is the number of equal parts, and the remainder is what's left after have split the dividend into as many equal parts as possible.
20 divided by 740, we are trying to find out how many times 740 can fit into 20.
Since 740 is much larger than 20, it cannot fit even once.
So, the quotient is 0, indicating that 0 whole units of 740 can fit into 20.
However, there is a remainder of 20.
The remainder represents the portion of 20 that cannot be evenly divided by 740.
It is what remains after we have divided the dividend by the divisor as many times as possible.
Therefore, 20 divided by 740 is 0 with a remainder of 20.
learn more about remainder here
brainly.com/question/29019179
#SPJ2
The function h(x) = 2x – 8+ 1 is a transformation of the parent function f(x) = x. Select all the statements that describe a key feature of function h.
Answers
Answer:
1
4
5
Step-by-step explanation:
One-eighth of a number is -4,200.
What is the number?
-42,800
-37,800
-33,600
-42,000
Answers
Answer:
33,600
Step-by-step explanation:
take -4200 and multiply it by 8. You'd do this since the equation to get -4200 is
x(1/8) = -4200
multiply both sides by 8 to get rid of the fraction and you get x=33,600
HELP PLEASE the second one is a match question
Answers
Answer:
1)Coefficient
2)Dividend
3) Quotient
Step-by-step explanation:
Free brainliest timmmmmmme :)
What is 2+2?
A. 69
B. 420
C:666
D:21
PLEASE HELP WORTH 4 POINTS
Answers
Answer:
2+2=4
Step-by-step explanation:
lol tell me the subject and ill research and give u n answer
What would be the answee
Answers
I WILL GIVE 175 POINTS TO ANYONE WHO HELPS ON ALL QUESTIONS
1. Write an equation in Slope-Intercept Form for a line that passes through (2, 2) and (0, 3).
2. Write an equation in point slope and slope-intercept that includes the points (0, 0) and (9, -3).
3. Write an equation in point-slope form that describes the line with a slope of 2 that contains the point (4, -3)?
4. A landscape service charges customers a one-time fee and an hourly rate of $15. For 3 hours of work, the company charge $75. 4. Write an equation in point-slope form. 5. How much does the landscape service charge for 12 hours of work?
5. A computer programmer charges $45 an hour for coding projects plus a start-up fee of $150. 6. Write an equation in standard form to represent the total cost t of a project that takes h hours. 7. How much does the programmer charge for a coding project that takes 25 hours?
6. Write an equation in slope-intercept form for a line that passes through the point (-4 , 3) and is parallel to the line 푦 = 5푥 + 2.
7. Write an equation in slope-intercept form for a line that passes through the point (6 , 4) and is perpendicular to the line 푦 = − 3 2 푥 − 4.
Answers
Answer:
--No answers here, just an additional question---
Question:
What in the heck is this : 푦
Work out (7×10^5) ÷ (2×10^2)
Give
your answer in standard form.
Answers
Answer:
3.5 X 10^3
Step-by-step explanation:
3. $590 is deposited into a
savings account that earns
4.3 % simple interest for 3
years.
Answers
Answer:
615.37
Step-by-step explanation:
590 x 1.043
Hope I helped!
An airplane travels 5152 kilometers against the wind in 7 hours and 6552 kilometers with the wind in the same amount of time. What is the rate of the plane in still air and what is the rate of the wind?
Answers
I WILL REWARD BRAINLIEST OKAY IM BEGGING YOU HELP ME
IN THAT PHOTO WHAT ARE THE X AND Y INTERCEPTS!?! WAIT DON'T LOOK AT THE PHOTO YET!!
PLEASE LOOK AT THIS EXAMPLE:
X intercept: ( ), ( )
Y intercept: ( ), ( )
NOW LOOK. AT THE PHOTO PLEASE!!
Answers
Answer:
X-intercept: -10
Y-intercept: -45
(-10),(-45)
Step-by-step explanation:
Hop this helped, Have a Wonderful Day!!
Emile paid $3.96 for 4 songs.
What is the unit rate and what does it mean?
Enter your answers in the boxes.
Answers
Answer:
$0.99
Unit rate is cost for 1 individual (song)
Step-by-step explanation:
$3.96/4
0.99
99 cents
David has available 40 yards of fencing and wishes to enclose a rectangular area.
Answers
Answer:
5 units will be your width and 15 will be your length so it would look like side#1=5 side #2=15 side number3 is 5 and side number 4 is 15 assuming that side 1 and 3 are parallel.
Step-by-step explanation:
yes
Lisa spends the same amount of time doing homework each day on Monday she spents of half of her time studying for a history test. on Tuesday, she spent 3/5 of her time studying for the same test in
the two days she spenta bal of 3 hours and 29 minutes studying for the test How much time does
she spend ting homework each day
Answers
Lisa spends the same amount of time doing homework each day. On Monday, she spent 1/2 of her time studying for a history test. On Tuesday, she spent 3/5 of her time studying for the same test. In the two days, she spent a total of 3 hours and 29 minutes studying for the test. How much time does she spend doing homework each day?
Answer provided by our tutors
Let x be the no of hours she studies every day than
0.5x+0.6x=209/60 note that 209/60= 3 hours 29 min
1.1x=209/60
therfore x=19/3
which is 6 hours and 20 minutes each day for studing total.
Why is it important for mathematicians to graph functions? Select all that apply.
A. For them to determine if a function can be inverted.
B. For them to visualize the function.
C. For them to extrapolate beyond the known data.
D. For them to determine if the function can be graphed.
E. For them to determine characteristics of the function.
Answers
Answer:
e
Step-by-step explanation:
s
What is the DOMAIN of this graph?
Answers
Answer:
Is yellow
Step-by-step explanation:
an open circle for "less than" or "greater than", and a closed circle for "less than or equal to"
You have 1 pounds of egg whites
You need 8 oz to make one serving of meringue
How many servings can you make?
Answers
Answer:
2 servings
Step-by-step explanation:
1 pound is 16 ounces
Rewrite the equation below so that it does not have fractions.
4+3/4x=5/6
do not write any decimal
Answers
Answer:
x=-18/76
Step-by-step explanation:
4×4x/4x+3/4x=5/6
or,96x+18=20x
or,76x=-18
:x=-18/76 ans...