The percent of change in the price of a cellphone from 2010
to today is 58.33%
The price of cellphone was $240 in 2010.
While the price of cellphone presently is $380.
The percent of change in the price of a cellphone from 2010 to today is:
Percent change in price = [(380 - 240)/240] * 100%
Percent change in price = 58.33%
Hence, The percent of change in the price of a cellphone from 2010
to today is 58.33%
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Which set of ordered pairs models a function?
A. {(-8,0), (-8, 1), (-6,4), (-5,-2), (-3, 6)}
B. {(3,-8), (3, -7), (3,-6), (3,-5), (3, -3)}
C. {(-8, 8), (-7,8), (-6, 8), (-5, 8), (-36)}
D. {(-8, 0), (-7, 1), (-5, -3), (-5,3), (0, 8)}
Answer:
C. Each first element, domain, is associated with exactly one element, range
Step-by-step explanation:
help me with this please no links!!
Answer: The answer is the second one (the one in the middle
Peter is married, filing jointly, with an AGI of $50,265. He is claiming two exemptions of $16,400 and deduction of $3264.
What is his tax due?
Answer:
$3864
Step-by-step explanation:
Help!
Jim provides photos for two online sites: site A and site B.
Site A pays $0.85 for every photo Jim provides.
The amount in dollars (y) site B pays as a function of the number of photos provided (x) is represented by the equation y = 0.40x.
How much more was Jim paid at site A than at site B, if he provided five photos for each site? (1 point)
A. $1.15
B. $1.35
C. $2.15
D. $2.25
Answer:
Step-by-step explanation:
We can use the same equation to figure out with only substituting the amount he was paid per photo.
Site A y = $0.85x = $0.85(5) = $4.25
Site B y = $0.40x = $0.40(5) = $2.00
We can see that Jim was paid $2.25 more at site A than Site B.
Answer:
D. 2.25
Step-by-step explanation:
y=0.85x, y=0.4x
0.85-0.4=0.45
0.45*5=2.25
Complete the table for the function h(x) = 4x + 2 for the given domain.
Help asap
Answer:
C.) {x│x≠±4,x≠0}
Step-by-step explanation:
On a hot day, Jeffrey poured 4 5/6 buckets of water into a plastic wading pool. A few minutes later he added another 1 5/6 buckets. How much water did Jeffrey pour into the pool?
Given the diagram below 1 and 8 are examples of:
Answer:
option B is correct answer.
Step-by-step explanation:
Alternate exterior angles are <1 and <8.
hope this helps you.
pls give ans for the image
Find the rate of change of the function by using two points from the table.
Three coworkers work for the same employer. Their jobs are warehouse manager, office manager, and truck
driver. The sum of the annual salaries of the warehouse manager and office manager is $75000. The sum of the
annual salary of the office manager and the truck driver is $75000. The annual salaries of the warehouse
manager and the truck driver total $70000. What is the annual salary of each of the co-workers?
Answer:
Let's make each of these workers' salaries a variable. For our purposes:
x = the annual salary of the warehouse manager
y = the annual salary of the office manager
z = the annual salary of the truck driver
*Since all of our variables describe an "annual salary" in dollars, we do not have to perform unit conversions.
From the sentence, "The sum of the annual salaries of the warehouse manager and office manager is $75000," we can derive the equation:
warehouse manager + office manager = 75000
x + y = 75000
From this sentence, "The sum of the annual salary of the office manager and the truck driver is $75000," we get:
office manager + truck driver = 75000
y + z = 75000
Finally, since "The annual salaries of the warehouse manager and the truck driver total $70000," we know that:
warehouse manager + truck driver = 70000
x + z = 70000
From the above equations, we can create a system of equations to reach the solution.
x + y = 75000
y + z = 75000
x + z = 70000
Using the substitution method and basic algebra, this question is easy! Let's solve for x, the warehouse manager's salary, first:
x + z = 70000
z = 70000 - x
y + z = 75000
y + (70000 - x) = 75000
y + 70000 - x = 75000
y - x = 5000
y = 5000 + x
x + y = 75000
x + (5000 + x) = 75000
x + x + 5000 = 75000
2x + 5000 = 75000
2x = 70000
x = $35000 = warehouse manager's annual salary
Now that we have solved for one of the variables, we can substitute our answer back in to get a quicker result:
x + z = 70000
(35000) + z = 70000
z = 35000$ = truck driver's annual salary
y + z = 75000
y + (35000) = 75000
y = $40000 = office manager's salary
So, our answers would be that:
The warehouse manager's annual salary is $35000.
The office manager's annual salary is $40000.
The truck driver's annual salary is $35000.
A woman earns $2600 per month and budgets $442 per month for food. What percent of her monthly income is spent on food?
...
% of her monthly income is spent on food.
Answer:
17%
Step-by-step explanation:
442/2600
= 0.17
To change a decimal to a percent, you move the decimal point two places to the right --> 17%
= 17%
a plumber uses 200 ft of tubing to make 50 sections of the same size. At this rate, how many feet of tubing is needed to make 1 section?
Answer:
4 ft
Step-by-step explanation:
You need to divide that 200 ft among those 50 sections to get what amount of feet goes into each section.
I need help with question 1
The answer is 845.31 rounded is 345.31
How many solutions does the equation −3x−17=−17−3x have?
Answer:
an infinite number of solutions
Step-by-step explanation:
−3x −17 = −17 −3x
left side = right side TRUE because -3x-17 is the same as -17-3x
we can rearrange the the equation
−3x −17 +17 = −17 +17−3x, add 17 on both sides of the equations
-3x = -3x, divide both sides by (-3)
x = x
Since this equation is always true ( for any number ) we have an infinite number of solutions (since there are is an infinity of numbers.)
PLS HELP ASAP ILL GIVE BRAINLKEST THANKS
Answer:
m is less than or equal to -3
Step-by-step explanation:
-6m+(-4)>=14
-6m>=18
m<=-3
Can someone please help with this geometry ( no links)
Answer:
2
Step-by-step explanation:
How many grams are there in 2.50 moles of potassium nitrate?
Answer:
Answer: 252.77 g of potassium nitrateExplanation:2.50 mol KNO3 x __101.108 g__ = 252.77 g of KNO3 1 mol KNO3.
Answer:
252.77 g
Step-by-step explanation:
DONT CLICK ON THIS IF YOU DONT KNOW THE RIGHT ANSWER.
State what additional information is required in order to know that the triangles are congruent for the reason given.
Answer:
The last sides on both triangles must have the three lines shown in the picture, because that shows that those sides are congruent. SSS stands for side side side, and the I and II shows that those sides are congruent.
Step-by-step explanation:
The disk has a diameter of 7cm ,Maria wants to put a string around it twice, what would be the length of the string?
Answer:
3.5 i think? correct me if im wrong ;-;
The World Health Organization's (W.H.O.) recommended daily minimum of calories is 2600 per individual. The average number of calories ingested per capita per day for the US is approximately 2460 with a standard deviation of 500. If we take a random sample of 64 individuals from the US, what is the probability that the sample mean exceeds the W.H.O. minimum?
Answer:
W.H.O
Step-by-step explanation:
ask my shoe and your mama
f(x) = 5(x-4) - 10
How do I find the X and Y intercepts just from this?
Answer:
x-int=6
y-int=30
Step-by-step explanation:
To find the x-intercept, first set F(x)=0, then solve for x.
0=5(x-4)-10
0=5x-20-10
0=5x-30
30=5x
6=x <- the location where y is 0
To find the y-intercept, first set x=0, then solve for F(0).
F(0)=5(0-4)-10
F(0)=-20-10
F(0)=-30 <- the location where x is 0
Answer:
X-intercept: (6, 0)
Y-intercept: (0, -30)
Step-by-step explanation:
DefinitionsThe y-intercept is the point on the graph where it crosses the y-axis, with coordinates of (0, b ). Thus, the corresponding x-coordinate of a y-intercept is 0. The x-intercept is the point on the graph where it crosses the x-axis, with coordinates of (a, 0). Hence, with the x-intercept is the value of x when y = 0. Solutions:Given the function, f(x) = 5(x - 4) - 10:
We could easily find the y-intercept by setting the value of x = 0.
f(0) = 5(0 - 4) - 10
f(0) = 5(- 4) - 10
f(0) = -20 - 10
f(0) = -30
Therefore, the y-intercept of the given function is (0, -30).
Similarly, we can solve for the x-intercept by setting the value of y = 0:
f(x) = 5(x - 4) - 10
0 = 5(x - 4) - 10
Distribute 5 into the parenthesis on the right-hand side of the equation:
0 = 5x - 20 - 10
Combine like terms:
0 = 5x - 30
Add 30 to both sides:
0 + 30 = 5x - 30 + 30
30 = 5x
Divide both sides by 5 to solve for the value of x:
[tex]\mathsf{\frac{30}{5}\:=\:\frac{5x}{5}}[/tex]
x = 6
Therefore, the x-intercept of the function is (6, 0).
Quick Side Note:The given function can be transformed into its slope-intercept form, f(x) = mx + b by distributing 5 into the parenthesis:
f(x) = 5(x - 4) - 10
f(x) = 5x - 20 - 10
f(x) = 5x - 30 ⇒ This is the slope-intercept form, where the slope, m = 5, and the y-intercept, b = -30.
Need help with this please
Answer:
276.1875
Step-by-step explanation:
make me brainliest
Answer:
276
Step-by-step explanation:
jJHgplugouogoufuofogugup
HELP ASAP!! WILL MARK BRAINLIEST !!!
Write an equation for the area A of the figure. Then determine the maximum possible area of the figure.
Area: A=
Maximum area: ___ square units
Answer:
Step-by-step explanation:
The maximum area of the figure is 4.5 square units.
Given,
Write an equation for area A of the figure.
Then determine the maximum possible area of the figure.
What is the area of a right-angled triangle?It is given by:
Area = 1/2 x base x height
When we maximize an area we must differentiate the area.
If A is the area.
A' = 0
We have,
From the figure:
Base = 6 - b
Height = b
Now,
Area = 1/2 x base x height
Area = 1/2 x ( 6 - b ) x b
A = (6b - b²) / 2
A = 3b - b²/2
When we maximize an area we must differentiate the area and thus,
A' = 0
So,
A' = 3 - 2b/2
0 = 3 - b
b = 3
Now,
A = 3b - b²/2
A = 3 x 3 - 3²/2
A = 9 - 9/2
A = (18 - 9) / 2
A = 9/2
A = 4.5 square units.
Thus the maximum area of the figure is 4.5 square units.
Learn more about finding the maximum area of a rectangle here:
https://brainly.com/question/14989725
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What is the surface area of the figure below? 4 cm 5 cm 3 cm 3 cm 5cm 4 cm
Answer:
24 cm
Step-by-step explanation:
you add 3+3=6
next add 6+4=10
next add (5+5)+10=20
finally you add 20+4=24
If you know that A neq 0 and B neq 0, how can you write an equation in point-slope form of the equation Ax + By = C?
The equation of the line in point slope form when y and x neq 0 is:
Answer:
no
Step-by-step explanation:
Identify the y-intercept of the following linear equation written in standard form.
9x + 3y = -18
Answer:
wwwwwwwwwwwwwwwwwwww
Answer:
the y-intercept is (0, -6)
Step-by-step explanation:
if f(x)=6x+9 and g (x) =-x-6 , what is (f+g)(x) ?
Answer:
5x + 3
Step-by-step explanation:
(f+g)x= 6x + 9-x-6
=5x + 3
Y = 8x + 134 identify and intercept the slope
Answer:
Slope: 8
Intercept: 134
whats the answer to this question
Answer:
X and y answer is 45 degrees
Answer:
x = 20, y = 70 degrees.
Step-by-step explanation:
x + y = 90 degrees ( As the large triangle is right-angled).
Now x is the base angle of an isosceles triangle so the small angle that is part of the right angle = x. Call this angle z.
Consider the small triangle which includes 40 degrees:
y + 40 + 90 - z = 180 But as z = x:
y + 130 - x = 180
y - x = 50
Adding the equation to the highlighted equation above we have:
2y = 90 + 50
2y = 140
y = 70 degrees.
So x + 70 = 90
giving x = 20 degrees.
(a+b)²-(a+b)⁵ nhờ mn giải hộ mik
[tex](a \: + \: b \: {)}^{2} \times (1 - \: a \: - \: b \: )[/tex]
hope it helps!