Answer:
Step-by-step explanation:
f(9) = 3(9)^2 - 1 = 242
f(-2) = 3(-2)^2 - 1 = 11
Many U.S. employees received a 3% raise in 2012. Suppose an employee made $47,000 in 2011 and received a 3% raise. What did she make in 2012?
Answer:
48,410
Step-by-step explanation:
47,000 + 3% = 48,410
does anyone know how to do this
Answer:
Step-by-step explanation:
The domain is basically the highest x and the lowest x.
[-3, ∞)
The range is the highest and lowest y.
[-4.649, ∞)
Local maximum is the highest part of the specific part of the graph.
(-1.423, 3.389)
And the local minimum is basically the same thing but with the lowest part.
(1.757, -4.649)
HURRYYY!!
Which of the following expressions is correctly written in scientific notation?
32.1 x 107
7.31 x 10-2
0.22 x 10-
Answer:
The middle one
Step-by-step explanation:
CAN ANYONE PLEASE HELP ME ?!?!?! I NEED HELP WITH MATH IF YOU HAVE A COUPLE MINUTES CAN YOU PLEASE HELP?! I NEED HELP WITH MATH, SYSTEMS OF EQUATIONS IN 9TH GRADE MATH TO BE SPECIFIC
Answer:
Ok ill help whats the problem
Step-by-step explanation:
Find the value of x so that f(x)=3
Answer:
f(x) = (1/3)x - 2
f(x) = (1/3)(3) - 2
f(x) = 1 - 2 = -1
Step-by-step explanation:
f(x) usually refers to a function not a multiplication of two variables
A city has a population of 350,000 people, suppose that each year the population grows by 5%. What will the population be
after 14 years?
Answer:
595,000
Step-by-step explanation:
find 5% of the present population
5/100*350,000 =17,500
there fore the population increases by 17,500 yearly
in 14 yrs time
=(14*17500) + 350,000
=245000+350000
=595000
GEOMETRY: You are building a shelf that fits in a corner. In the figure, the entire shelf is IJK . Each unit in the coordinate plane represents one inch.
Answer:
A= 12.5 inches²
Step-by-step explanation:
a=1/2bh
a=1/2(5)5
a=1/2(25)
a= 12.5
I need help ASAP! Awarding 30 points
Answer:
its b or c
Step-by-step explanation:
oof oof oof b or x
What is the mean average of 100, 75, 40, 90, 80, 100, 92, 88, 80, 84, 81?
Answer:
The mean average is 82.727272727273
Answer:
82.727272727272727272727272728
Step-by-step explanation:
(100+75+40+90+80+100+92+88+80+84+81)/11
39 divided (2+1) - 2x(4+1)
the answer is,
[tex]13 - 10x[/tex]
y=2x+5,y=0.5x-1 solve
Answer:
y=2x+5............(1)
y=0.5x-1...........(2)
Step-by-step explanation:
equalizing equation (1)&(2),we get
2x+5=0.5x-1
2x-0.5x=-1-5
1.5x=-6
x=-6/1.5=-4
substituting value of x in equation (1),we get
y=2×-4+5=-8+5=-3
Which of the following is the same as 4*39*23
Answer:
What are the answer choices if there are any
Step-by-step explanation:
What is the point on the unit circle for the angle below? Help Res 60° (1.0) 2 ?] 2 ) 9 2 Enter
Answer:
1 and 3
Step-by-step explanation:
Answer:
The answer is
[tex] \frac{1}{2} \: and \: \frac{ \sqrt{2} }{2} [/tex]
Step-by-step explanation:
Let The point (X, Y)
Since half of the diameter is equal to 1
Then
[tex] {x}^{2} + {y}^{2} = 1[/tex]
Why is the measurement of angle is equal to 60, this triangle was equal
Then
[tex] {(x - 1)}^{2} + {y}^{2} = 1[/tex]
By comparing the equals together
[tex] {x}^{2} = {(x - 1)}^{2} \\ {x}^{2} = {x}^{2} - 2x + 1 \\ 2x = 1 \\ x = \frac{1}{2} \\ Compensation \: in \: any \: equation \\ then \: y = \frac{ \sqrt{2} }{2} [/tex]
you start at 5,4 and move 2 units left and 2 units down
Answer:
(3,2)
Step-by-step explanation:
Find the values of x and y - will give brainliest if right
Answer:
x=31 and y=45.........
Answer:
4x=3y-11
3y-11=180-56
3y-11=124
3y=135
y=45
4x=124
x=31
Step-by-step explanation:
Can someone please help me????
Answer:
No
Step-by-step explanation:
No, because BA is the same side as EF and the difference is 5. But CA is the same side as ED and the difference is 7.5. All sides would have to increase or decrease by the same number to get to the other triangle and in this case they do not.
What is the slope of the line?
It would also be very helpful if you could simplify the way you solved the problem :)
If it took 10 hours to mow
of 15 lawns, then at that
rate, how many lawns could be sell in : mowed in 24 hours? What was the
rate of lawns mowed per hour?
Solve the system of equations by graphing. [x+y=4 7x-6y=54
Answer:
(x,y)=(6,-2)Step-by-step explanation:
to understand thisyou need to know about:linear equationsystem of linear equationsolving system of linear equation by graphingPEMDASgiven:[tex] \begin{cases} \sf x + y = 4 \\ \sf7x - 6y = 54 \end{cases}[/tex]tips and formulas:to solve system of linear equation by graphing we have to simplify the linear equations to slope-intercept formslope intercept form:y=mx+blet's solve:let's simplify first linear equation to slope -intercept form
x+y=4
y=-x+4
table for this equation
see the first attachment picturelet's simplify first linear equation to slope -intercept form
[tex] \sf7x - 6y = 54[/tex]
[tex] \sf - 6y = - 7x + 54 \\ \sf \frac{ - 6y}{ - 6} = \frac{ - 7}{ - 6} x + \frac{54}{ - 6} \\ \sf y = \frac{7}{6} x - 9[/tex]
table for this equation
see the second attached picturesolutions by graphing the system of linear equation
see the last attached picturenote: the red line is for first equation as well as the green line is for second equation and the black dot is the coordinates of the solutions of x and y
35 = -7a + 14
Solve for a
Answer:
a = -3
Step-by-step explanation:
35 = -7a + 14
-14 + 35 = -7a + 14 - 14
21 = -7a
21/-7 = -7a/-7
-3 = a
a = -3
Answer:
-3=a
Step-by-step explanation:
35=-7a+14
subtract 14
21=-7a
divide both sides by -7
-3=a
The equation y
= 10x + 15 represents a gym that charges. What is the slope and y-intercept?
Answer:
Slope=10 Y=15
Step-by-step explanation:
Goes up by 10
Starts at 0,15
The slope of an equation is 10 and the y-intercept is 15. Therefore, option B is the correct answer.
What is the equation of a line?The general equation of a straight line is y=mx+c, where m is the gradient, and y = c is the value where the line cuts the y-axis. This number c is called the intercept on the y-axis.
Given that, the equation y= 10x + 15 represents a gym that charges.
By comparing y=10x+15 with y=mx+c, we get
Slope (m)=10 and y-intercept (c)=15
Therefore, option B is the correct answer.
To learn more about the equation of a line visit:
https://brainly.com/question/2564656.
#SPJ6
1. Angela was doing her homework when her dog bit
off a piece of paper. All she had left was the start
of the sequence: 4, 12, ... and the fact that 972 was some term of the sequence.
a. If the sequence is arithmetic, what is the equation of the nth term and what number term is 972?
Answer:
The equation is 8n-4 and 972 is the 122nd term of the sequence
Step-by-step explanation
12-4=8
12-8=4
8n+4
972+4=976
976/8=122
Evaluate the expression when a=3, b=2, and c=12: 6+a
36 = 4x
Thank you | (• ◡•)|
Answer:
x = 9
Step-by-step explanation:
ASAP ASAP ASAP ASAP MATH MATH MATH homework
Answer:
$20
Step-by-step explanation:
Simple, if he sold 16 pretzels, and each one costs $1.25, then multiply the cost by how many:
16X1.25=20
So he got $20
I hope this helps!
Answer:
20
Step-by-step explanation:
The population of a certain city be modeled by y=7870(1.01)^x where x is the number of years since the city was founded and y is the population.
Answer:
B.
Step-by-step explanation:
We are given the function:
[tex]y=7870(1.01)^x[/tex]
Which represents the population of a certain city x years after it was founded.
The y-intercept is the y-value when x = 0. So:
[tex]y(0)=7870(1.01)^0=7870(1)=7870[/tex]
If x = 0, this means that zero years have passed since the city was founded.
So, the y-intercept represents the initial amount of people when the city was founded (in this case, there were 7870 people).
The correct answer is B.
Help pleassssee
An investment of £150 increases by 2.5% each year, for 3 years. Calculate the value of the investment at the end of the period
Which of these lengths could be the sides of a triangle?
A) 5 cm, 19 cm, 14 cm
B) 14 cm, 24 cm, 8 cm
C) 19 cm, 5 cm, 15 cm
D) 24 cm, 14 cm, 9 cm
Answer:
c
Step-by-step explanation:
in order for it to be a triangle the smaller sides have to add up to be greater than the longest side
for a 5+14=19 so that is not a triangle because the side dont add up to be greater than 19
for b 14+8=22 so that is also not a triangle because the sides dont add up to be greater than 24
for c 5+15=20 so that is a triangle because to 2 shorter sides added are greater than the longest side
for d 14+9=23 so that is not a triangle because the two smaller sides dont add up to be greater than 24
please please help.
What is the total bill for a $54 dinner with a 5% sales tax and a 20% tip?
Answer:
%68.04
Step-by-step explanation:
What is the equation of the line with an x-intercept of -1 and a y-intercept of 2?
y = - 2 x + 2
y = 2 x - 2
y = 2 x + 2
Answer:
y = 2x + 2
Step-by-step explanation:
The general form
is;
y = mx + b
where m is the slope and b is the y-intercept
so we have;
y = mx + 2
To get m, substitute the point (-1,0)
So we have
0 = -m + 2
m = 2
So the equation is;
y = 2x + 2