Determine the values of y in the equation y2 = 144.
a. y = ±12
b. y = ±72
c. y = 12
d. y = 72
Answers
a) +12
You can find this by square rooting both sides.
y = 12
The value of y is +12 or -12 or y = ±12 if the quadratic equation is y² = 144 option (A) y = ±12 is correct.
What is a quadratic equation?Any equation of the form [tex]\rm ax^2+bx+c=0[/tex] where x is variable and a, b, and c are any real numbers where a ≠ 0 is called a quadratic equation.
As we know, the formula for the roots of the quadratic equation is given by:
[tex]\rm x = \dfrac{-b \pm\sqrt{b^2-4ac}}{2a}[/tex]
It is given that:
The quadratic equation is:
y² = 144
As we know, the polynomial equation is the combination of variables and constants systematically with "n" number of power in ascending or descending order.
Taking square root on both sides:
y = ±√144
y = ±12
Thus, the value of y is +12 or -12 or y = ±12 if the quadratic equation is y² = 144 option (A) y = ±12 is correct.
Learn more about quadratic equations here:
brainly.com/question/17177510
#SPJ5
Related Questions
1. how do we change a similar fraction?
2. how do we add the similar fraction?
Answers
Answer:
You add similar fraction by adding the numerators together but since the denominators are the same u keep them as they are
1. Similar fractions are those which have the same denominator. To change dissimilar fraction to similar fractions, you express them as a equivalent with a common denominator. For example 2/12, 3/12
2. To add similar fraction one should ensure that both the numerator are same and then add the numerator and put that on the denominator. If there is need to simply the fraction then you should first simplify the fraction.
For example:- 1/4+4/4= 5/4
Here as we see that bot number denominator are same so it's addition is done easily
-4(-6-b)=1/3(B+16) solve for B ANSWER NOW PELASE.
Answers
The simplified solution for B in the equation -4 ( - 6 - b) = 1/3 (B + 16) is B = 56 + 12b
Given,
The equation: - 4 (- 6 - b) = 1/3 (B + 16)
We have to simplify the equation and find B.
Lets simplify:
-4 ( - 6 - b) = 1/3 (B + 16)
Here,
(- 4 × - 6) - 4 × - b = 1/3 × B + 1/3 × 16
24 + 4b = B/3 + 16/3
24 + 4b = (16 + B) / 3
Multiply 3 to both sides:
(24 + 4b) × 3 = (16 + B) × 3 / 3
72 + 12b = 16 + B
Add -16 to both sides:
72 + 12b - 16 = 16 + B - 16
Then,
B = 72 + 12b - 16
B = 56 + 12b
That is, the simplified solution for B in the equation -4 ( - 6 - b) = 1/3 (B + 16) is B = 56 + 12b
Learn more about simplification here:
https://brainly.com/question/6592817
#SPJ1
THIS IS EASY!!!!!!!!!!!!!!!
In ΔFGH, the measure of ∠H=90°, GF = 29, FH = 20, and HG = 21. What is the value of the sine of ∠F to the nearest hundredth?
Answers
The value of the sine of ∠F to the nearest hundredth is 0.72
Sine rule
A triangle is a figure that has 3 sides and angles. Given the following parameters;
∠H=90°
GF = 29
FH = 20
HG = 21.
Using the SOH CAH TOA identity;
sin theta = opposite/hypotenuse
sin ∠F = HG/GF
Substitute the given parameters
sin ∠F= 21/29
sin ∠F = 0.72
This gives the required value of sin ∠F to the nearest hundredth
Learn more on trigonometry identity here: https://brainly.com/question/24496175
#SPJ1
MODELING REAL LIFE You can use at most 5 gigabytes of data per month on your cell phone. Your data usage so far for the month is 1.24 gigabytes. What are the possible amounts of data you can use for the remainder of the month?
Answers
Answer:3.76 gigabytes
Step-by-step explanation:
You subtract the 5.00 by the 1.24
1 - 3x = 3x + 1
what does x equal?
Answers
Answer:
the value of x is -6
Step-by-step explanation:
1-3x= 3x+1
-3x -3x =1-1
-6x=0
-x=6
x= -6
Rewrite in simplest terms: −4(8f+g)+9g−5(−2g+6f)
Answers
-32f - 4g + 9g + 10g - 30f
simplify
-62f + 15g
Which of the following is NOT equivalent to the formula d=rt? The options are in the picture.
Answers
Given
Which of the following is NOT equivalent to the formula d=rt?
Procedure
A. d/r=t is equivalent d=rt
B. r=dt is not equivalent
C. d/t=r is equivalent d=rt
D. d/rt=1 is equivalent d=rt
The answer is option B. r=dt that is NOT equivalent to the formula d=rt
Which graph represents the function f(x)=√x+4-2?
Answers
Answer:
the top right graph
Step-by-step explanation:
I assume you mean the function is
f(x) = sqrt(x + 4) - 2
because for your function as you wrote it
f(x) = sqrt(x) + 4 - 2 = sqrt(x) + 2
none of the graphs apply.
to find the correct one we look at some specific points.
like x = 0, and when the square root will be 0 (x = -4).
normally we can see the right graph latest here already, but if not, then we have to pick a few more points.
so,
for x = 0 we get
sqrt(0 + 4) - 2 = 2 - 2 = 0
that means
f(0) = 0
now, when we look at the graphs, we see we are already finished. there is only one graph that goes through (0, 0).
the top right graph.
$10,000 for 5 years at 4% interest
Answers
Simple interest earned on the principal amount $10,000 for 5 years at 4% interest per year will be $12,000.
As given in the question,
Simple Interest:
The simple interest is an amount that is paid for loan or borrowed money over a certain period at a fixed percentage of borrowed money.
Principal amount:
Principal amount is the money that is taken as loan or borrowed.
Formula of Simple Interest:
Simple interest = Principal amount × Rate × Time
Since,
Principal amount = $10,000
Rate = 4% per year
Time = 5 years
Then,
Simple interest = 10,000 × 4 × 5
Simple interest = $ 12000
Total value after 5 years = $ 12000
Principal amount = $ 10000
Interest Earned = (Total value) - (Principal amount)
Interest Earned = $ 12000 - $ 10000
Interest Earned = $ 2000
Therefore, simple interest earned on the principal amount $10,000 for 5 years at 4% interest per year will be $12,000.
The complete question is:
Fabian is taking out a loan in the amount of $10,000. His choices for the loan are a 5-year loan at 4% rate of interest .What is the amount of simple interest and interest earned Fabian would have to pay?
To know more about simple interest here
https://brainly.com/question/25845758
#SPJ1
Write the equation of the line whose slope is -6 and y intercept is (0, -2)
Answers
Answer: y = -6x-2
Step-by-step explanation:
y=mx+b
-2=(-6)(0)+b
b= -2
y=-6x - 2
Slope is -6x while y-int is -2
The value for x that makes the equation 4×-2+3×-7=51 true
Answers
The value of x that makes the equation true is 60/7.
The given equation is:-
4x - 2 + 3x - 7 = 51
The given equation is a linear equation in one variable.
Linear equation in one variable
A linear equation in one variable is of the form of ax + b = 0, where a and b are any two integers and x is an unknown variable having only one solution. Example : 5x + 3 = 10.
We have to find the value of x that makes the equation true.
Simplifying the given equation, we get
(4x + 3x) - (2 + 7) = 51
7x - 9 = 51
7x = 51 + 9
7x = 60
x = 60/7
To learn more about linear equation in one variable, here:-
https://brainly.com/question/17139602
#SPJ1
Which number line and expression show how to find the distance from 4 to 1? A. A number line from -5 to 5 and two points on -1 and 4. B. A number line from -5 to 5 and two points on 1 and 4. C. A number line from -5 to 5 and two points on -4 and -1. D. A number line from -5 to 5 and two points on -4 and 1.
Answers
A number line and expression show how to find the distance from 4 to 1 is: B. A number line from -5 to 5 and two points on 1 and 4.
What is a number line?A number line can be defined as a type of graph with a graduated straight line which contains both positive and negative numbers (numerical values) that are placed at equal intervals along its length.
This ultimately implies that, a number line can be used to determine the difference between two numbers such as 4 and 1. Also, a number line typically increases in numerical value towards the right and decreases in numerical value towards the left.
In this context, we can reasonably infer and logically deduce that number line C shows the distance from 4 to 1.
Read more on number line here: brainly.com/question/17325155
#SPJ1
The graph shows the velocity f(t) of a runner during a certain time interval:
Graph of line segment going through ordered pairs 0, 4 and 4, 8. Graph of another line segment going through ordered pairs 4, 8 and 8, 0. Label on the x axis is time in seconds, and label on the y axis is velocity in meters per second.
Which of the following describes the intercepts on the graph?
The initial velocity of the runner was 4 m/s, and the runner stopped after 8 seconds.
The initial velocity of the runner was 8 m/s, and the runner stopped after 4 seconds.
The initial acceleration of the runner was 4 m/s2, and the runner stopped after 8 seconds.
The initial acceleration of the runner was 8 m/s2, and the runner stopped after 4 second
Answers
The description of the intercepts of the Graph segments passing through the points (0, 4), (4, 8), (4, 8) and (8, 0) is given by the option;
The initial velocity of the runner was 4 m/s and the runner stopped after 8 secondsWhat is a velocity time graph?A velocity time graph is a graph that shows how the velocity of an object changes with time
The given information on the graph are;
The coordinates of the points on the Graph of the first line segment = (0, 4) and (4, 8)
On Graph of the second line segment, the coordinates of the points = (4, 8), (8, 0)
The label of the axis of the graph are;
X–axis label = Time in seconds (s)
Y–axis label = Velocity in m/s
Required; The option that gives the description of the intercepts of the graph
Solution; The x and y–intercept are given as follows;
At the x–intercept the y–value is 0, which gives the x–intercept of the graph as the point (8, 0)
Given that the y–value which is the value of the velocity, is 0, it means that the runner stops at the point (8, 0), or after 8 seconds
At the y–intercept, the x–value is 0. The y–intercept is therefore the point (0, 4)
The 0 in the y–intercept means that the time is 0 seconds, which is the starting or initial time, while the 4 means that the velocity is 4 m/s.
Therefore, the y–intercept (0, 4) can be described as the initial velocity of the runner is 4 m/s
The description of the intercepts on the graph are therefore;
The initial velocity of the runner was 4 m/s and the runner stopped after 8 seconds.Learn more about velocity time graphs here:
https://brainly.com/question/10824584
#SPJ1
Answer:
The initial velocity of the runner was 4 m/s, and the runner stopped after 4 seconds and then again after 8 seconds. Option A is the correct answer
Step-by-step explanation:
The intercepts on the graph can be described as follows:- The y-intercept is the point at which the line intersects the y-axis, and it represents the initial velocity of the runner. In this case, the y-intercept is at (0, 4), which means that the initial velocity of the runner was 4 m/s.- The x-intercept is the point at which the line intersects the x-axis, and it represents the time at which the runner stopped. In this case, there are two x-intercepts: one at (4, 8) and another at (8, 0).
This means that the runner stopped twice, once after 4 seconds and again after 8 seconds.
Therefore, the correct description of the intercepts on the graph is: The initial velocity of the runner was 4 m/s, and the runner stopped after 4 seconds and then again after 8 seconds. Option A is the correct answer.
139c. Find the coordinates of the point of intersection of the lines. y=1-2x and y=x-5
PLS HELP ASAP
Answers
The coordinates of the point of intersection is equal to (3, 5).
What is a point of intersection?In Mathematics, a point of intersection can be defined as the location on a graph where two (2) lines intersect, meet, or cross each other, which is typically represented as an ordered pair containing the point, x-axis and y-axis.
Next, we would solve the given equations simultaneously to determine the coordinates of the point of intersection as follows:
y = 1 - 2x
y = x - 5
Re-arranging the equation, we have:
y + 2x = 1
y - x = -5
Subtracting, we have:
3x = 6
x = 6/2
x = 3.
For y-coordinate, we have:
y + 2x = 1
y + 2(3) = 1
y + 6 = 1
y = 1 - 6
y = -5.
Read more on point of intersection here: https://brainly.com/question/13513373
#SPJ1
The three inside angles (A, B and C) of a right-angled triangle are in the ratio 7/18 / 11 The smallest angle is 35 deg Work out angles A, B and C.
Answers
A polygon with the three edges and three vertices is called a triangle. It is one of fundamental geometric shapes. The symbol for a triangle containing the vertices A, B, and C is ABC, measures of the right triangles are 35, 90 and 55.
What is a triangle?A polygon with the three edges and three vertices is called a triangle. It is one of fundamental geometric shapes. The symbol for a triangle containing the vertices A, B, and C is ABC.
In Euclidean geometry, any three points that are not collinear produce a singular triangle and a singular plane (i.e. a two-dimensional Euclidean space). In other words, every triangle is contained in a plane, and there is only one plane that contains that triangle. All the triangles are enclosed in a single plane if all of geometry is the Euclidean plane, however this is no longer true in higher-dimensional Euclidean spaces. Except when otherwise specified, this article discusses the triangles in Euclidean geometry, namely the Euclidean plane.
Which is the smallest angle, which is the right angle, and which is the third angle of the triangle are the three inner angles (A, B, C) of a right angled triangle.
sum of the interior angles of a triangle = 180
ratio 7:18:11
so
7+18+11 = 36
180 / 36 = 5
7 x 5 = 35
18 x 5 = 90
11 x 5 = 55
measures of the right triangles are 35, 90 and 55
To know more about angles visit: https://brainly.com/question/28451077
#SPJ9
jeremy and his dad are sharing the responsibilities for their new plumbing company. combined, jeremy and his dad worked at least 85 combined hours last week. they collected a total of more than $1000 by charging $20 per hour. let x
Answers
The system of inequalities that models the situation is given as follows:
x + y ≥ 85.20(x + y) ≥ 1000.x ≥ 0.y ≥ 0.Which system of inequalities models the situation?Before we build the inequalities, we have to consider that the variables of the system are given as follows:
Variable x: Number of hours worked by Jeremy.Variable y: Number of hours worked by his dad.Jeremy and his dad worked at least 85 combined hours last week, hence the first inequality is:
x + y ≥ 85.
They collected a total of more than $1000 by charging $20 per hour, hence the second inequality is:
20x + 20y ≥ 1000.
20(x + y) ≥ 1000.
The minimum number of hours that each can work is of 0, that is, they cannot work a negative number of hours, hence the constraints are:
x ≥ 0.y ≥ 0.What is the missing information?The problem is incomplete, and it asks for the system of inequalities that models the situation.
More can be learned about a system of inequalities at https://brainly.com/question/11994104
#SPJ1
Comparing
Compare and contrast interpolations and extrapolations
based on a scatterplot.
Answers
Interpolation is the process of foretelling the value of a function f at a location inside the observed range of values for and. Predicting the value of y when it is outside the range indicated by the points and areas where the values and have been observed is known as extrapolation.
What is meant by scatter plots?The values for two different numerical variables are represented by dots in a scatter plot (also known as a scatter chart or scatter graph). Each dot's location on the horizontal and vertical axes represents a data point's values. To view relationships between variables, utilize scatter plots.
Interpolation is the process of foretelling the value of a function f at a location inside the observed range of values for and. Predicting the value of y when it is outside the range indicated by the points and areas where the values and have been observed is known as extrapolation.
For an independent variable that lies outside the range of our data, we use function to forecast the value of the dependent variable. We extrapolate in this situation.
To learn more about scatter plots refer to:
https://brainly.com/question/6592115
#SPJ13
Answer:
Sample Answer: An interpolation has a result which lies within the scatterplot’s cluster of data points. An extrapolation lies outside the cluster. An interpolation is more reliable than an extrapolation.
Step-by-step explanation:
mistaking no linear correlation with no correlation b. the conclusion that correlation implies causality c. the use of data based on averages d. correlation does not imply causality
Answers
Answer:
B
Step-by-step explanation:
Is r=10q+3 a linear function ?
Answers
Answer:
Well, if we consider [tex]r[/tex] as y and [tex]q[/tex] as x.
Step-by-step explanation:
So, typically, a linear function is either represented using function notation
[tex]f(x)=mx+b[/tex]
Or in slope-intercept form
[tex]y=mx+b[/tex]
This question is oddly using the variables r and q in place of y and x. If we replace them to be y and x, it will be a linear equation (because the slope is constantly changing).
But, if you aren't allowed to replace r and q to be y and x, then it isn't a linear function.
. Calculate the circumference of a circle with a radius of 15 inches. Use 3.14 for pi.
Round answer to the nearest tenth, if necessary.
Answers
Answer: 94.2
Step-by-step explanation:
C = 2 πr
C = 2 x 3.14 x 15
C = 30 * 3.14
C = 94.2
Who will win this madden game?
Answers
Answer:
Step-by-step explanation:
The one in blue
Which diagram shows parallel lines cut by a transversal?
Answers
the lines is cut by one common line
What is the equation for the line that passes through the coordinates (-4,-12)and(16,3)
Answers
The equation of the line that passes through these coordinates is 3x-4y= 36
How to calculate slope?
If you have the coordinates of two points on a line, you can use the slope formula to determine that line's slope. m=(y2-y1)/(x2-x1), or the ratio of the change in the y values to the change in the x values, is the slope formula.
To find the equation of the line we first have to find the slope which is represented by m.
The slope or m is given by : y₂ - y₁ / x₂ - x₁
thus, m= 3-(-12)/ 16-(-4)
m= 3+12/ 16+4 = 15/20
m= 3/4
The equation of a slope is y-y₁=m (x-x₁)
y- (-12) = 3/4 (x- (-4))
y+12 = 3/4 (x+4)
On solving it further we get:
4y+48= 3x+12
3x-4y= 36
To know more about slopes visit:
https://brainly.com/question/13496015
#SPJ10
Select all the equations where x = -2 is a solution.
(Select all that apply.)
a. 3x - 5 = 1
b. 19 = 2(x-6)+3
c. 5 + 3x = -1
d. 2(x+5)=x+8
e. 4x = 4 + 2x
Answers
the leters c and d are correct for this equation
Your sister has 560 and you
have $120. Your sister is
saving $7 per week and you
are saving $5 per week
How many weeks wild be
until you and your anter
have the same amount of
money? Write an equation
and solve
Answers
Answer:
After 30 weeks me and my sister will have same amount of money
Step-by-step explanation:
let the week be x
then
60+7x = 120+5x
2x=60
x=30
Find the volume of this solid.
Answers
Answer:
128m²
Step-by-step explanation:
separate the two solids.The cube and the cuboid
find the volume of the cube i.e.5³=115m²
find the volume of the cuboid i.e 1×1×3=3m²
add the two volumes
Answer:
128m²
Explanation:
Add all volumes, 5+5+4+6+3, then times that by the volume below.
For the figure shown on the right, find the value of the variable and the measures of the angles.
***
R
(3x+15)°
(x-20)
Answers
Answer:
x = 37 , ∠ P = 17° , ∠ Q = 126° , ∠ R = 37°
Step-by-step explanation:
the sum of the 3 angles in Δ PQR = 180°
sum the 3 angles and equate to 180
x + x - 20 + 3x + 15 = 180
5x - 5 = 180 ( add 5 to both sides )
5x = 185 ( divide both sides by 5 )
x = 37
Then
∠ P = x - 20 = 37 - 20 = 17°
∠ Q = 3x + 15 = 3(37) + 15 = 111 + 15 = 126°
∠ R = x = 37°
On the axes below, make an appropriate scale and graph exactly one cycle of the trigonometric function y=16sin 1/2 x
Answers
For the given trigonometric function y =16sin1/2 x the graph shows the amplitude of 16 , graph of exactly one cycle is with period 4π , with no vertical and phase shift.
As given in the question,
Given trigonometric function :
y = 16sin 1/2 x
Attached graph of the given trigonometric function with
Amplitude = 16
Period = 4π
Vertical shift = None
Phase shift = none
Table for the required trigonometric function values which represent appropriate scale and graph exactly one cycle of the trigonometric function
x : 0 π 2π 3π 4π
y : 0 16 0 -16 0
Therefore, graph of trigonometric function y =16sin1/2 x shows the amplitude of 16 , graph of exactly one cycle is with period 4π , with no vertical and phase shift.
Learn more about trigonometric function here
brainly.com/question/14746686
#SPJ1
Create an equivalent expression for 17^-7 • 17^5.
Answers
Answer:
Answer is in fraction.--> 1/289.
Step-by-step explanation:
[tex]17^{-7} =17^{-7+5}=17^{-2} =\frac{1}{17^{2} } = \frac{1}{289}[/tex]
Does this look right to anyone? Btw the miles on the 4 year old car are -0.9360
Answers
it x/383
i myself i dont even knkw hownto do this brk i just want points so please dont listen to this try you hardest dont give up and keep looking for others but i just want sum piote bro i gotta finish my ezam too man so good luck tho.