Answers
The graph is shown in the attachment below
From the graph, the solution to the equation [tex]\frac{4}{x}-2x+1=0[/tex] is x = -1.2 and x = 1.7
From the picture, we are to draw the graph of the function
[tex]y = -\frac{4}{x}[/tex] for the range of values [tex]-3\leq x\leq 3[/tex] (that is for values of x from -3 to 3)
First we will create the table of values for the function
Table of values for the function [tex]y = -\frac{4}{x}[/tex]
x y
-3 1.33
-2 2
-1 4
0 Undefined
1 -4
2 -2
3 -1.33
(Shown better in the docx attachment)
The graph for the function [tex]y = -\frac{4}{x}[/tex] (purple lines) is also shown in the attachment.
To use the graph to solve the equation [tex]\frac{4}{x}-2x+1=0[/tex]
We will rewrite the equation so that it takes the form [tex]y = -\frac{4}{x}[/tex]
From [tex]\frac{4}{x}-2x+1=0[/tex]
Then, [tex]-2x+1= -\frac{4}{x}[/tex]
∴ [tex]y = -2x+1[/tex]
Hence, we will plot the graph for the function [tex]y = -2x+1[/tex] on the same graph and the points of intersection gives the solution.
The function is a linear equation
The points of intersection on the x and y axes (x-intercept and y-intercept) are enough to plot a straight line graph as shown in the table below as well as in the graph
x y
0 1
0.5 0
(Shown better in the docx attachment)
The straight red lines in the graph shows the plot for the function [tex]y = -2x+1[/tex]
From the graph, the points of intersection are -1.2 and 1.7
Hence, the solution to the equation [tex]\frac{4}{x}-2x+1=0[/tex] is x= -1.2 and x = 1.7
Learn more here: https://brainly.com/question/17174762
Related Questions
88 POINTS PLS HELP!!!
Answers
Answer:
aw no me la seee lo.sientooo no puedooo
Thank you guys for helping me !! Can you help me with this question ?
Answers
Answer:
(A). x² + y² - 4x + 6y - 3 = 0
Step-by-step explanation:
(x - 2)² + (y + 3)² = 4²
x² - 4x + 4 + y² + 6y + 9 - 16 = 0
x² + y² - 4x + 6y - 3 = 0
In triangle ABC, AC=13, BC=84, and AB=85. Find the measure of angle C
Answers
Given:
In triangle [tex]ABC, AC=13, BC=84, AB=85[/tex].
To find:
The measure of angle C.
Solution:
Law of Cosines:
[tex]\cos C=\dfrac{a^2+b^2-c^2}{2ab}[/tex]
[tex]\cos C=\dfrac{BC^2+AC^2-AB^2}{2(BC)(AC)}[/tex]
Substituting the given values, we get
[tex]\cos C=\dfrac{(84)^2+(13)^2-(85)^2}{2(84)(13)}[/tex]
[tex]\cos C=\dfrac{7056+169-7225}{2184}[/tex]
[tex]\cos C=\dfrac{0}{2184}[/tex]
[tex]\cos C=0[/tex]
Taking cos inverse on both sides, we get
[tex]C=\cos^{-1}(0)[/tex]
[tex]C=90^\circ[/tex]
Therefore, the measure of angle C is 90 degrees.
Answer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thisAnswer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thisAnswer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thisAnswer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thisAnswer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thisAnswer:
eason
Step-by-step explanation:
boy
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read this
why did u read thiswhy did u read this
why did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read thiswhy did u read this
Which of the following function pairs are inverses?
Answers
Answer:
(A)
x= 5y-3
(x+3)/5
Step-by-step explanation:
Answer:
its A
Step-by-step explanation:
i took the test lol
Factor: (a+3)^2 -a(a+3)
Answers
Answer:
3(a +3)
Step-by-step explanation:
(a+3)^2 -a(a+3)
FOIL
a^2 +3a+3a+9 -a(a+3)
Distribute
a^2 +3a +3a +9 -a^2 -3a
Combine like terms
3a +9
FACTOR out a+3
(a+3)( a+3 -a)
(a+3) (3)
3(a+3)
Answer:
3(a+3)
Step-by-step explanation:
Expand the first set of brackets first
(a+3)^2
A^2 + 3a + 3a +9
=A^2 + 6a + 9
Expand the second set of brackets
-a(a+3)
=-a^2 - 3a
Add both sets together
3a + 9
Factorise:
3(a+3)
Plesssse help me with this
Answers
Which of the following are exterior angles? Check all that apply.
A. 21
B. 2
C. 25
D. 26
DE 24
E 23
Answers
Answer:
D. <6
E. <4
Step-by-step explanation:
both are exterior angles
∠4 and ∠6 are exterior angles.
Options D and E are the correct answers.
What are exterior angles?Exterior angles are angles formed by a straight line and a line segment outside of that straight line.
More specifically, an exterior angle is formed when two non-collinear rays originate from a point on one side of a straight line and intersect with the other side of the line.
We have,
From the figure,
∠4 and ∠6 are exterior angles.
∠5 and ∠3 are interior angles.
And,
∠6 is the sum of ∠3 and ∠1.
Thus,
∠4 and ∠6 are exterior angles.
Learn more about exterior angles here:
https://brainly.com/question/28835566
#SPJ7
the price of a box of cereal incresed by 45% if the original price of the box of cereal was 5$ what is the new price?
Answers
Answer: 7.25
Step-by-step explanation:
The+pie+chart+shows+the+age+distribution+in+a+village+of+120+a)+how+many+people+are+older+than+60+=+120+B)+What+percentage+of+the+villagers+are+under+25?+I+KNOW+A+I+NEED+TO+KNOW+B
Answers
Answer:
if the village is of 120 people and 120 people are over the age of 60 then 0 people are under the age of 25.
Step-by-step explanation:
Find the length of the third side. If necessary, round to the nearest tenth. 6 10
Answers
Answer:
Step-by-step explanation:
7
Compute the value of 9x^2 + 4y^2 if xy = 6 and 3x + 2y = 12.
Answers
Answer:
Consider the equation 3x + 2y = 12
Now, square both sides:
(3x + 2y)^2 = 122
=> 9x^2 + 12xy + 4y^2 = 144
=>9x^2 + 4y^2 = 144 – 12xy
From the questions, xy = 6
So,
9x^2 + 4y^2 = 144 – 72
Thus, the value of 9x^2 + 4y^2 = 72
Answered by GAUTHMATH
Is "y = 0.860x + 3.302" a function? Explain why.
Answers
Answer:
Yes.
General Formulas and Concepts:
Algebra I
Slope-Intercept Form: y = mx + b
m - slope b - y-interceptStep-by-step explanation:
Any line that follows slope-intercept form will be a function.
If we graph this line, we can see that each x-value has its own y-value and it passes the vertical line test.
∴ y = 0.860x + 3.302 is indeed a function.
What is the vertex of the function f(x) = -|x + 7| − 4?
A.
(-7,-4)
B.
(7,4)
C.
(-7,4)
D.
(7,-4)
Answers
Answer:
it would be
D.
(7,-4)
Mark me as brainliest pleases
Answer:
it would be A (-7,-4)
Step-by-step explanation:
What is the value of x in theequation 2.5 (6x - 4) = 10 + 4 (1.5 +0.5 x)?
1/3
1/2
2
13
Answers
Answer:
x = 2
Step-by-step explanation:
Let's solve your equation step-by-step.
2.5(6x−4)=10+4(1.5+0.5x)
Step 1: Simplify both sides of the equation.
2.5(6x−4)=10+4(1.5+0.5x)
(2.5)(6x)+(2.5)(−4)=10+(4)(1.5)+(4)(0.5x)(Distribute)
15x+−10=10+6+2x
15x−10=(2x)+(10+6)(Combine Like Terms)
15x−10=2x+16
15x−10=2x+16
Step 2: Subtract 2x from both sides.
15x−10−2x=2x+16−2x
13x−10=16
Step 3: Add 10 to both sides.
13x−10+10=16+10
13x=26
Step 4: Divide both sides by 13.
x=2
please help!! asap need 5 and 6
Answers
Answer:
both substitutions
Step-by-step explanation:
in 5. based on 3 BC is substituted by its equal counterpart AB.
and in 6. we use 1. to substitute AC by its associated absolute value.
Frank practiced piano for 2 ⅓ hours yesterday. He practiced 1 ⅛ hours today. How long did he practice on both days combined? Convert your answer to hours and minutes.
Answers
Answer: [tex]3 hr and 27 min[/tex]
Step-by-step explanation:
Given
Frank practiced piano for [tex]2\frac{1}{3}\ \text{hours}[/tex] yesterday and [tex]1\frac{1}{8}\ \text{hours}[/tex]
In total frank practiced
[tex]\Rightarrow 2\dfrac{1}{3}+1\dfrac{1}{8}\\\\\Rightarrow \dfrac{7}{3}+\dfrac{9}{8}\\\\\Rightarrow \dfrac{7\times 8}{3\times 8}+\dfrac{9\times 3}{8\times 3}\\\\\Rightarrow \dfrac{56+27}{24}=\dfrac{83}{24}\ \text{hours}\\\Rightarrow \dfrac{83}{24}\ \text{hours}\ or\ 3\ \text{hours and 27 min 30s}[/tex]
The air in poultry-processing plants often contains fungus spores. Inadequate ventilation can affect the health of the workers. The problem is most serious during the summer. To measure the presence of spores, air samples are pumped to an agar plate and "colony-forming units (CFUs)" are counted after an incubation period. Here are data from two locations in a plant that processes 37,000 turkeys per day, taken on four days in the summer. The units are CFUs per cubic meter of air.
Day Day 2 Day 3 Day 4
Kill room 3175 2526 1763 1090
Processing 529 141 362 224
The spore count is clearly higher in the kill room. Give sample means and a 99% confidence interval to estimate how much higher the spore count is in the kill room?
Answers
Answer:
-611.031 < μd < 4260.031
Step-by-step explanation:
This is a matched pair design :
______Day1 Day 2 Day 3 Day 4
x1 Kill room 3175 2526 1763 1090
x2 Processing 529 141 362 224
First we obtain the difference, d ;
d = (x1 - x2)
d = 2646, 2385, 1401, 866
The mean difference, dbar = Σd/ n = 7298 / 4 = 1824.5
The standard deviation of difference,
Sd = √(Σx-dbar)²
Using calculator, Sd = 834.086
The 99% confidence interval :
Mean ± margin of error
dbar ± margin of error
Margin of Error = Tcritical * Sd/√n
Tcritical at 99%, df = n-1 ; df = 4-1 = 3
Tcritical = 5.84
Margin of Error = 5.84 * 834.086/√4 = 2435.53112
Confidence interval = 1824.5 ± 2435.53112
(-611.031 ; 4260.031)
SOMEONE HELP PLEASE I NEED ANSWER
Answers
at the end of 8 weeks you do
T=55+6x8
which equals 103$
Answer:
T = 55 + 6w and $103
Step-by-step explanation:
We have already saved $55, so that is our constant. We gain $6 per week, so that will be our w value
T = 55 + 6w
Solving for T when w = 8 weeks
T = 55 + 6(8)
T= 55 + 48
T = $103
HELP ASAP 10 POINTS BRAIN LIST THANKS AND 5 STAR BUT IF CORRECT
Answers
Answer:
3 cm^3
Step-by-step explanation:
The volume of a prism is given by
V = l*w*h
V = 1/2 * 3/2 * 4
V = 3 cm^3
Answer:
3 cm³
Step-by-step explanation:
V = L * W * H
V = (4 cm)(3/2 cm)(1/2 cm)
V = 12/2 * 1/2 cm³
V = 12/4 cm³
V = 3 cm³
How many times is value of the digit 3 in 45.2638 lesser than value of the
digit 3 in 356.987?
1/100000
100000
10000
1/1000
Answers
Answer:
100000 times lesser
Step-by-step explanation:
The value of the digit 3 in 45.2638 is 0.003 and the value of the 3 in 356.987 is 300. 300/0.003 = 100000
X^2 - 2x + 6 = 0
Show all work
Answers
Answer:
x= plus or minus 1 plus imaginary root times square root of 5.
Step-by-step explanation:
[tex] {x}^{2} - 2x + 6 = 0[/tex]
Complete the Square.
[tex] {x}^{2} - 2x = - 6[/tex]
[tex] {x}^{2} - 2x + 1 = - 5[/tex]
[tex](x - 1) {}^{2} = - 5[/tex]
[tex]x = + - 1 + i \sqrt{5} [/tex]
write the equation of the line that goes through points (2,-2) (4,-10)
Answers
Answer:
The slope-intercept form equation of the line that passes through (2, 4) and (4, 10) is y = 3x - 2.
Step-by-step explanation:
find value of the variable
Answers
Answer:
x=10
Step-by-step explanation:
16/24=(x-2)/12
or, 16/2=x-2
or, 8=x-2
or, x-2=8
or, x=10
Answered by GAUTHMATH
PLEASE HELP!
Record the lengths of the sides of ΔABC and ΔADE.
I would appreciate it.
Answers
AB: 20
BC: 12
AC: 16
AD: 10
DE: 6
AE: 8
Plz help out will give brainliest
Answers
Answer:
10 degrees = C
Step-by-step explanation:
Total internal angles add to 180 degrees.
Add all values of c and set equal to 180.
18c = 180.
c=10
Answer:
c = 10
Step-by-step explanation:
3c + 6c + 9c = 180 degrees. Every triangle has 180 degrees.
18c = 180 Combine the like terms. Divide by 18
18c/18 = 180/18
c = 10
Which expression is equivalent to
Answers
Answer:
[tex]\frac{(x+2)}{(x-1)}[/tex]
Step-by-step explanation:
[tex]\frac{x^2 + x -2}{x^2 -2x+1}[/tex] =
[tex]\frac{(x+2)(x-1)}{(x-2)(x-1)}[/tex] =
[tex]\frac{(x+2)}{(x-1)}[/tex]
would appreciate the help please!
Answers
Answer:
I think SAS is the correct Ans
Please help me with this (geometry)
Answers
Answer:
∠ 6 = 55°
Step-by-step explanation:
∠ 6 and 125° are same- side interior angles and sum to 180° , then
∠ 6 = 180° - 125° = 55°
[tex]\text{Solve for x:}\\\\3x - 5 = 5x + 3[/tex]
Answers
Hi there!
»»————- ★ ————-««
I believe your answer is:
[tex]\boxed{x = -4}[/tex]
»»————- ★ ————-««
Here’s why:
⸻⸻⸻⸻
[tex]\boxed{\text{Solving for 'x'...}}\\\\3x - 5 = 5x + 3\\-----------\\\rightarrow 3x - 5 + 5 = 5x + 3 + 5\\\\\rightarrow 3x = 5x + 8\\\\\rightarrow 3x - 5x = 5x - 5x +8\\\\\rightarrow -2x = 8\\\\\rightarrow \frac{-2x=8}{-2}\\\\\rightarrow \boxed{x = -4}[/tex]
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
99999+999=????????????????????????????
Answers
Answer:
100998 is the answer.
I hope this help u.
Answer:
100998
Step-by-step explanation:
₁ ₁ ₁ ₁ ₁
99999
+ 999
100998
you can also think of it as
99999(+1) + 999(-1)
100000+998
100998
