Answer:
x= ((d+c)/a) - b
(the d+c/a are sperated from be )
Step-by-step explanation:
Remeber always move the + or - over first
a(x+b) = d + c
then divide by a
(x+b) = (d+c)/a
-b on both side
x= ((d+c)/a) - b
True or False: (x + 3)2 = x2 + 9
Answer:
false
Step-by-step explanation:
What is the percent lost ?? Please help
35/35-14/35=21/35=0.6=60%
PLEASE HELP
An advertising agency would like to add 4 new clients to their client base each week. Which type of function best models the number of clients the agency would like to add to their client base over time?
A. a linear model with a slope of 4
B. a linear model with a y-intercept of 4
C. an exponential model with a growth factor of 4
D. an exponential model with a y-intercept of 4
Answer:
B. a linear model with a y-intercept of 4
Step-by-step explanation:
Help with a and b? Thank you
Step-by-step explanation:
Given data:
Cars Vans Others
60 21 3
The data represents the number of cars on a single day.
Find the relative frequency;
It is the number of times an event occurs.
Here the time frame is within a day;
Relative frequency = [tex]\frac{number of cars + number of vans + others}{number of days}[/tex]
Relative frequency = 60 + 21 + 3 = 84vehicles per day
ii.
Number of vans in a week;
Number vans in a week = 21van per day x 7 days = 147vans
The relationship between altitude and the boiling point of a liquid is linear. At an altitude of 8500 ft, the liquid boils at 199.55 F. At an altitude of 4300 ft, the liquid boils at 206.69 F. Write an equation giving the boiling point b of the liquid, in degrees Fahrenheit, in terms of altitude a, in feet. What is the boiling point of the liquid at ft?
Answer:b = -0.0013a + 211
Step-by-step explanation:
Since the relationship is linear, we can use a linear equation. The formula in slope-intercept form is .
As the question specifies to use a for altitude and b for boiling point, change the variables equation to
b is the boiling point.
m is the slope.
a is the altitude.
c is the y-intercept.
To find the slope, we can use the equation except x is a and y is b.
The sets of information given are:
8500 ft, the liquid boils at 199.95° (This can be info set 1)
4300 ft, the liquid boils at 205.41° (This can be info set 2)
Substitute the info sets into the equation. The subscripts mean which info set to get the numbers from.
m = -0.0013
Find the y-intercept by substituting m = -0.0013 and a random info set. I will use info set 1. Isolate c, the only variable.
b = ma + c
199.95 = (-0.0013)(8500) + c <= Simplify
199.95 = -11.05 + c
199.95 + 11.05 = -11.05 + 11.05 + c <=add 11.05 on both sides to isolate c
c = 211 <= y-intercept
Put the y-intercept and slope into the equation of a line:
b = ma + c
b = -0.0013a + 211 <= This is the equation for the problem.
what is the equation of the line containing the points (4,2) and (-5, 1)? Write your answer in slope-form. PPPPPLLLLLLLLLLLEEEEEEEEASE HELP
Answer:
y=-1/9x+2.44
Step-by-step explanation:
m=y2-y1/x2-x1
1-2=(-1)
(-5)-4=(-9)
-1/9
y=mx+b
2=-1/9(4)+b
-1/9*4=-0.44444444444
-0.444.... rounded is -0.44
(-0.44)-(-0.44) =0
2-(-0.44 )=2.44
y=-1/9x+2.44
hope this helps
sorry if im wrong i had a lil trouble on this one :(
What is the degree of the power function represented in the table?
Answer:
3 I think my fault if it's wrou
Answer:
2
Step-by-step explanation:
took the test
An airplane is flying in the direction of 30 degrees South of East at 500 mph. A wind is blowing in the direction of 45 degrees North of East at 55 mph. Find the direction angle of the airplane’s path, adjusted for the wind.
Answer:
B
Step-by-step explanation:
The angle of the airplane’s path is = [tex](\frac{250\sqrt{2}+55}{\sqrt{2}} )[/tex]î +[tex](\frac{250\sqrt{6}-55 }{2})[/tex]ĵ
what is vector?A vector is defined as a quantity which has two independent properties magnitude and direction.
î & ĵ denote two unit vectors along East & North directions respectively.
V1 denotes velocity vector direction of airplan of 30 degrees South of East at 500 mph
V2 denotes velocity vector wind the direction of 45 degrees North of East at 55 mph
V denotes the actual velocity vector of the given plane.
Hence from above data we get following descriptions,
V1 = 500.(sin 30°).î + 450.(cos 30°).ĵ
= 500.(1/2).î + 500(√3/2.ĵ
= 250î + 250√3ĵ
V2 = 55(sin 45°).î - 55(cos 45°).ĵ
= 55[1/√2].î - 55[1/√2]ĵ
V = V1 + V2
= 250î + 250√3ĵ +55[1/√2].î - 55[1/√2]ĵ
= 250î +55[1/√2].î + 250√3ĵ - 55[1/√2]ĵ
= [tex](\frac{250\sqrt{2}+55}{\sqrt{2}} )[/tex]î +[tex](\frac{250\sqrt{6}-55 }{2})[/tex]ĵ
Hence the angle of the airplane’s path is = [tex](\frac{250\sqrt{2}+55}{\sqrt{2}} )[/tex]î +[tex](\frac{250\sqrt{6}-55 }{2})[/tex]ĵ
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PLEASE HELP 20 points
can you help i need to finish this by today!
2.Yolanda is buying supplies for school. She buys n packages of pels at $1.40 per package and m pads of paper at $1.20 each. What does each term in the expression 1.4n + 1.20m represent? What does the entire expression represent? Interpret the meaning of the term 1.4n. What does the coefficient 1.4 represent? Interpret the meaning of the term 1.20p. What does the coefficient 1.20 represent?
Answer: 1.4n represents the cost of n packages of pels.
1.20m represents cost of m pads.
Entire expression 1.4n + 1.20m represents total cost of n packages of pels and m pads.
Meaning of 1.4n = cost of n packages of pels.
Meaning of 1.20 m = represents cost of m pads.
where , 1.4 = Cost per package of pels
1.2 =Cost per pad of paper
Step-by-step explanation:
Given: Cost per package of pels = $1.40
Cost per pad of paper = $1.20
Number of packages of pels bought = n
Number of pads of paper bought = m
So, 1.4n represents the cost of n packages of pels.
1.20m represents cost of m pads.
Entire expression 1.4n + 1.20m represents total cost of n packages of pels and m pads.
Meaning of 1.4n = cost of n packages of pels.
Meaning of 1.20 m = represents cost of m pads.
where , 1.4 = Cost per package of pels
1.2 =Cost per pad of paper
A factory makes cars at a constant rate. The table shows the number of cars made for different lengths of time. A manager draws a graph of the number of cars made per hour. What is the slope of the line? What does the slope represent? Show your work.
Answer:
im not sure if this is right or not but i did the math and got 26
Step-by-step explanation:
let me know if i am or not pls
get correct for brainleist!
Answer:
the tird one
Step-by-step explanation:
the asking you like for the number who repeat I hope it help if need more explanation tell me
What on earth is: 1.92/3 = ? Please help me idk how to do this ;-;
Answer:0.64
Step-by-step explanation:
help me plz. i would appreciate it.
Given a
6 and a common
difference of – 12, find the
18th term in the sequence.
Answer:-210
Step-by-step explanation:6, -6, -18, so, you multiply -12 by 18, and you can find that number. -12 times 18=-216, and -216+the first number 6, equals 210
write QF if it's Quadratic function and NQF if Not a Quadratic function
Answer:
1. QF2. NQF3. NQF4. QF5. QF6. Undefined, unclearStep-by-step explanation:
1. f(x) = x^2 + 2
It is a quadratic function as in the format of y = ax^2 + bx + c2. f(x) = 2x - 10
It is linear function, not quadratic3. It is linear function as y- is an arithmetic sequence
Not a quadratic function4. As per the pairs we can determine the function:
y = 1/2x^2 + 1/2xIt is a quadratic function5. The graph is parabola
It is a quadratic function6. Undefined as not clear what is it
ASAP- What does it mean to add less than nothing to something
Answer:
A negative integer and makes stuff subtract
Step-by-step explanation:
Can I get Help on explaination of this?
Answer:
The measure of the outside angle is the sum of the two inside angles:
68+52=120
Or you could do it the long way and find the third angle inside the triangle then do 180 minus that but this is easier.
Step-by-step explanation:
2x + 1 = 2x - 1 how many solutions?
Answer:
the answer is 2
Step-by-step explanation:
What mathematical operation always results in a positive number?(the picture shows the answers)
Answer:
D) absolute value
Step-by-step explanation:
If you take the absolute value of a certain number, whether it be negative or positive, the absolute value will always be the number of units from 0, which will be a positive value 100%.
Can you please help me with the question
2 Fred and Ted each have a savings account. Fred's savings account is represented in the table below.
Ted's savings account is represented by the graph.
Fred's Account
Ted's Account
Number of Weeks Amount in Savings
200
Account (5)
0
50
175
60
125
100
1
150
70
80
Amount Saved (5)
75
sol
21
Number of weeks
Part A Find the rate of change for the two accounts
Fred saves $_ per week
Ted saves 5 per week
Part B: Identify the initial value for the two accounts
Freds
Ted: S
Answer:
you have to divide all the numbers and see what it is
?...
1 + (-2 - 5) to the 2nd power + -3 x 4
Answer:
-3
Step-by-step explanation:
(1 + (-2-5))^2+-3X4
(1+(-3))^2 + -12
-3^2 -12
9-12
-3
Given the function h(x)=x^2-5x-1, determine the average rate of change of the function over the interval −2≤x≤5.
Answer: -2
Step-by-step explanation:
Merin recently
purchased 76 boxes
contanng Bayberry
Extract potion
There were 12
Bayberry Extract
potions n each box
How many potions
dd Merlin purchase
nall?
A florist charges $25 for a vase plus $4.50 for each flower. The total charge for the vase and flowers is given by the function f(x) = 4.50x + 25. How will the graph change if the vase’s cost is raised to $35? if the charge per flower is lowered to $3.00?
a) The graph change if the vase’s cost is raised to $35 is the line
[tex]y=4.5x+35[/tex]
b)The charge per flower is lowered to $3.00 is the line
[tex]y=3x+25[/tex]
We have given that the function
[tex]f(x) = 4.50x + 25[/tex]
A florist charges $25
Now we have given condition the cost is raised to 35$
We use we use the slope intercept form
What is the slope intercept form?
[tex]y=mx+C[/tex]
y is function f(x) C=vase cost, and m= charge per flower
Therefore we get,
[tex]y=f(x),m=4.50 and c=25[/tex]
we have given condition C=35$
So the line will just move up to have a y-intercept at (0,35) the equation will be,
[tex]y=4.5x+35[/tex]
Therefore,
The graph change if the vase’s cost is raised to $35 is the line
[tex]y=4.5x+35[/tex]
We have given that the charge per flower is lowered to 3$
So the slope
[tex]m=3[/tex]
Here the m value is being changed so your line will just flatten out a bit and the new equation will be
[tex]y=3x+25[/tex]
The charge per flower is lowered to $3.00 is the line
[tex]y=3x+25[/tex]
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what is 8.41 times 10 to the negative 5th power minus 7.9 times 10 to the negative 6th power?
Answer:
the answer is 841000
Step-by-step explanation:
brainliest if correct... plz
Bernardo is converting a fraction, StartFraction a Over b EndFraction, to a percent. Both a and b are whole numbers and not equal to zero. Which expression represents the percent?
Answer:
[tex]Percent = \frac{100a}{b}\%[/tex]
Step-by-step explanation:
Given
[tex]\frac{a}{b}[/tex]
Required
Convert to fraction
To do this, we simply multiply the fraction by 100%
This gives:
[tex]Percent = \frac{a}{b} * 100\%[/tex]
[tex]Percent = \frac{a * 100}{b}\%[/tex]
[tex]Percent = \frac{100a}{b}\%[/tex]
The expression cannot be further simplified.
Take for instance the fraction is: [tex]\frac{2}{5}[/tex]
Using the same analysis, the percentage would be:
[tex]Percent = \frac{2}{5} * 100\%[/tex]
[tex]Percent = \frac{2 * 100}{5}\%[/tex]
[tex]Percent = \frac{200}{5}\%[/tex]
[tex]Percent = 40\%[/tex]
Answer:
100(a divided by b)
Step-by-step explanation:
hope this helps tell me if im wroung
What is 7/8 in decimal and percentage form?
Answer:
0.875
Step-by-step explanation:
Answer:
0.875 and 87.5%
Step-by-step explanation: