Mai solved the equation below incorrectly. Identify Mai's error and then solve the equation correctly.
X-9) = {(x + 18)
3x - 3= kx +9
1
4
X-3=9
1
41
-x = 12
X = 48
What was Mai's error?
Answers
Answer: Please see explanation column for answer.
x= -36
Step-by-step explanation:
Step 1
from the attachment, Mai's solving is given as
1/3 (1/2x- 9) = 1/2 (x+18)
1/6x-3= 1/2x+9
1/4x-3=9
1/4x=12
x=48
Mai's error started when he subtracted wrongly 1/2 x from 1/6x which gave him 1/4 x instead of - 1/3 x.
Solving correctly, we have that
1/3(1/2x-9) = 1/2(x+18)
1/6x -3= 1/2x+ 9
taking like terms to like terms
1/6x-1/2x= 9+3
(1-3)/6x= 12
-2/6x= 12
-1/3x= 12
multiplying both sides by -3
-1/3x X -3 = 12 X -3
x= -36
Related Questions
write the equation of the line
Answers
Answer:
y=1x+0
Step-by-step explanation:
it is going up by 1 and it cross the y-axis at 0
finding missing angles of triangles show your work
Answers
Answer:
angle = 50
x = 6
Step-by-step explanation:
solution for angle:
180-(70+60) = 50
solution for x:
8x+2=50 (subtract 2 from both sides)
8x=48 (divide both sides by 8)
x=6
Which expression is equivalent to 9p+9p
Answers
Answer:
18p? I don't know what other expressions could be equivalent. I just added 9p to 9p to get my answer.
What is the simplified version of this?[tex]\frac{\sqrt{2} }{3+\sqrt{5} }[/tex]
Answers
Answer:
(3√2 - √10)/4Step-by-step explanation:
Simplify, rationalize the denominator
√2/(3 + √5) = √2(3 - √5)/(3 + √5) (3 - √5) =(3√2 - √10)/(3² - 5) =(3√2 - √10)/4PLEASE HELP (algebra 1)
A sports store employee needs to decide how many soccer balls to put on display. The store manager wants the number of soccer balls on display to be at least two more than the number of basketballs on display. The
store employee represents this restriction as y2 + x, where x is the number of basketballs, and y is the number of soccer balls on display
Which of the following ordered pairs represent viable solutions in terms of the context? Select all that apply.
(4. 10)
(15, 18,5)
(14, 12)
(10, 12)
(-1,3)
Answers
Answer:
I think it's 15 18 and 5 or 14,12
The solution are (4, 10) and (10, 12).
What is inequality?The phenomenon of unequal or unequal distribution of resources and opportunities among members of a given society is referred to as inequality. In different contexts and for different people, the concept of inequality may mean different things. In addition, there are distinct but interconnected economic, social, and spatial dimensions to inequality. The disjuncture between the moral ethics of equity and social justice, on the one hand, and the normative concept of "deservingness," on the other, adds complexity to debates about inequality.
Given equation of inequality for basket ball and soccer ball
y ≥ 2 + x
where x is the number of basketballs, and y is the number of soccer balls on display,
situation says the second number must be at least 2 more than the first number. Also, we are dealing with basket ball and soccer ball, so we won't have negative numbers (Choice E is out) or fractions (Choice B is out).
for choice A: x = 4 and y = 10 (10 is 6 more than 4)
for C: x = 14 and y = 12 (12 is 2 lee than 14 it is not correct)
for D: x= 10 and y = 12 (12 is 2 more than 10)
Hence the option A and D is correct representation for solutions.
Learn more about inequality;
https://brainly.com/question/20383699
#SPJ2
A water tank already contains 55 gallons of water when Brian begins to fill it. Water flows into the tank at a rate of 8 gallons per minute.
Write a linear equation to model this situation.
Answers
Volume in the sink after 25 min= 255 gallons
Please help! And I need the steps too!
Answers
Answer:
-25
Step-by-step explanation:
Step 1: 2-9-5-3-2-[tex]2^{3}[/tex]
Step 2: 2-9-5-3-2-8
Step 3: -25
Solve for x.
A
6
B
12
С
14
D
18
Answers
set the two angles equal to each other
3x+7 = 6x-11
subtract 3x from both sides
7 = 3x-11
add 11 on both sides
18 = 3x
divide by 3 on both sides
6 = x
Can someone help me with this please?
Answers
Answer:
c
Step-by-step explanation:
proportionality of 4 on all
r(2s)(t) when r=2, s=3, and t=5
Answers
Answer:
60
Step-by-step explanation:
2(2*3)(5)
2(6)(5)
2(30)
60
What's nine plus ten? Is it 21 or 19
Answers
Answer:
19 duh
Step-by-step explanation:
On a math quiz, you earn 10 points for each question answered correctly. In the equation below, x represents the number of questions that you answer correctly on this quiz, and y represents the total number of points you score on this quiz. The relationship between these two variables is modeled by the equation y = 10x.
What is the independent variable?
A) The value of 10 in the equation.
B) The total number of points scored on the exam.
C) The number of questions answered correctly on the exam.
D) The independent variable cannot be determined from the given information.
Answers
Answer:
C
Step-by-step explanation:
I don’t understand this plsss help. You don’t rlly need to give an explanation if you don’t feel like it. I just need an answer
Answers
Which rule explains why these triangles are congruent?
С
F
А
B
G
ASA
SSS
AAS
SAS
help urgently please
Answers
Answer:
Side Angle Side
Step-by-step explanation:
a) Find the value of 8 1/3
b) Find the value of 8 2/3
c) Find the value of 16 3/4
Answers
hope it's helpful ❤❤❤❤❤❤
THANK YOU.
#
Answer:
2, 4 and 8
Step-by-step explanation:
Using the rule of exponents/ radicals
[tex]a^{\frac{m}{n} }[/tex] ⇔ [tex]\sqrt[n]{a^{m} }[/tex]
(a)
[tex]8^{\frac{1}{3} }[/tex] = [tex]\sqrt[3]{8}[/tex] = 2
(b)
[tex]8^{\frac{2}{3} }[/tex] = [tex]\sqrt[3]{8^{2} }[/tex] = 2² = 4
(c)
[tex]16^{\frac{3}{4} }[/tex] = [tex]\sqrt[4]{16^{3} }[/tex] = 2³ = 8
A small radio station can broadcast a distance of 16 miles in all directions. A broadcast from the radio station can reach a total area of-?
Answers
Answer:
Step-by-step explanation:n1g4 a 103837 miles
The table shows the types of movies and the number of DVDs reented by customers at a Red Box in one
Based on the data in the table, what is the probability that a random customer will not rent a drama?
Answers
Answer:
A
Step-by-step explanation:
The probability that a random customer will not rent a drama is 4/5. Option B is correct.
What is probability?Probability can be defined as the ratio of favorable outcomes to the total number of events.
here,
Total number of rented DVDs = 25 + 36 + 52 + 12 = 125
Number of Drama movies = 25
The probability that a random customer will rent a drama.
P(D) = 25 / 125 = 1/5
Now,
The probability that a random customer will not rent a drama,
P(D)' = 1 - P(D)
= 1 - 1/5 = 4/5
Thus, the probability that a random customer will not rent a drama is 4/5. Option B is correct.
Learn more about probability here:
brainly.com/question/14290572
#SPJ5
write the equation for the line that has m = 4 and b = 8
Answers
can someone please help me? make it right..
Answers
Answer:
6.83and 7.03 this is the answer
Answer:
6.83, 6.93, 7.03, 7.13, 7.23, 7.33 always add .10 each time.
Step-by-step explanation:
Mr.smith had 2,364 baseball cards and wanted to give them to his 2 sons equally.How many cards did each son get?
Answers
Answer:
1,182
Step-by-step explanation:
Answer:
1182
Step-by-step explanation:
The expression −310+13m represents a submarine that began at a depth of 310 feet below sea level and ascended at a rate of 13 feet per minute. What was the depth of the submarine after 8 minutes?
Answers
Answer:
206
Step-by-step explanation:
The formula for this problem would be -310 + 13(8) which = 206
can anyone answer this for me please
Answers
Answer:
10
+
g
−
9
>
12
Move the negative in front of the fraction.
10
−
g
9
>
12
Move all terms not containing
g
to the right side of the inequality.
Tap for more steps...
−
g
9
>
2
Multiply each term in
−
g
9
>
2
by
−
1
Tap for more steps...
g
9
<
−
2
Multiply both sides of the equation by
9
.
g
<
−
2
⋅
9
Multiply
−
2
by
9
.
g
<
−
18
The result can be shown in multiple forms.
Inequality Form:
g
<
−
18
Interval Notation:
(
−
∞
,
−
18
)
Step-by-step explanation:
439x2 ( Use only algorithm. )
Answers
Answer:
878
Step-by-step explanation:
439 x 2
2x9= 18
2x30=60
2x400=800
Then add
800+60+18
60+18=78
800+78= 878
Using the pattern, create an equation (rule) that describes this pattern.
Answers
Answer:
a(n) = n² + 4n + 6Step-by-step explanation:
Stage 1
9 + 2 = 3² + 2Stage 2
16 + 2 = 4² + 2Stage 3
25 + 2 = 5² + 2Equation for stage n:
a(n) = (n + 2)² + 2 = n² + 4n + 4 + 2 = n² + 4n + 6These two triangles are congruent. Which side of triangle PQR is the same length as AB?
RP or PR
QR or RQ
PQ or QP
Answers
Answer:
QR OR RQ
,,,,,,,,,,,,,,,,,
James has $32 and earns $10 per week for his allowance.
What is the initial value for the scenario described?
10
32
42
320
Answers
Answer:
32
Step-by-step explanation:
it says he already had 32 and earns 10 per week so initial is 32 and increment is 10/week
How many groups of 3/4 are in each of the following quantity 11/4?
Answers
What is least amount of surface area possible on a rectangular prism with a volume of 64 cubic inches? What are the dimensions of this rectangular prism? LOTS OF POINTS
Answers
Answer: 96in²
Step-by-step explanation:
A cube is the most efficient rectangular prism in terms of surface area.
A rectangular prism where l = 4in w = 4in h = 4in has a volume of 64in³
This rectangular prism has a surface area of 96in²
Answer:
96
Step-by-step explanation:
what is the value of x
Answers
Answer:
x=121
Step-by-step explanation:
because 180-121=59 and 180-59=121
Write the polynomial in standard form given the following zeros. Show all work.
(hint; the polynomials are of degree 3)
1. x = -3i, x=2
2. x = 3(multiplicity 2), x = -1
Please show work I need it please and thanks fir Hu ever answers it
Answers
Answer:
x³ - 2x² + 9x - 18x³ - 5x² + 3x + 9Step-by-step explanation:
1.
Zero's
x = -3i, x = 2 and the third zero is x = 3iPolynomial is:
(x + 3i)(x - 3i)(x - 2) =(x² - 9i²)(x - 2) =(x² + 9)(x - 2) =x³ - 2x² + 9x - 182.
Zeros:
x = 3, x = 3, x = -1Polynomial is:
(x - 3)(x - 3)(x + 1) = (x² - 6x + 9)(x + 1) =x³ + x² - 6x² - 6x + 9x + 9 =x³ - 5x² + 3x + 9