Mai solved the equation below incorrectly. Identify Mai's error.
5 points
3(x + 4) - 10 = 1/10 (4x + 16)
3x + 12 - 10 = 2x + 8
3x + 2 = 2x + 8
5x + 2 = 8
5x = 6
X = 6/5

Answers

Answer 1
3(x+4)-10 = 1/10 (4x+16)
3x+12-10 = 1/10*2 (2x+8)
3x+2 = 1/5* (2x+8)
3x+2 = 2/5x + 8/5
15x+10 = 2x+8
15x-2x=8-10
13x = -2
x = -2/13
She made her mistake when she forgot about the 1/10 and didn’t include it

Related Questions

129,454,475,954 Which digit is in the hundred-thousands place?

Answers

Answer

129,454,475,954

Step-by-step explanation:

it is the four in bold

Answer:

4 is in the hundred-thousands place.

Explanation:

129,454,475,954

(the one that I bolded and underlined out)

Find x.
[tex] \frac{x}{x + 7} = \frac{16}{22} [/tex]
The equals is for proportionate I couldn't find the symbol for it.​

Answers

According to the property of proportions,

Product of means = Product of extremes

x and 22 are extremes. (x + 7) and 16 are means.

So, simply we did cross multiplication.

Step-by-step explanation:

56/3 is the answer. Refer to the attachment for the solution. :)

Find the common difference for an arithmetic series with
a1=5 and S10 = 320.

Answers

Answer:

6

Step-by-step explanation:

Let [tex]n = a_{10}[/tex]. We know the formula for the sum of an arithmetic sequence is:

[tex]S_{n} = \frac{n(a_{1}+a_{n} )}{2}[/tex]

Where n is the number term you are finding the sum up to, a1 is the first term, and an is the nth term. We can substitute what we have:

[tex]320=\frac{10(5 + n)}{2}[/tex]

[tex]640=10(n+5)\\64=n+5\\n=59[/tex]

The formula to find the nth term of an arithmetic series is:

[tex]a_{n} = a_{1} + (n-1)d[/tex]

Where d is the common difference. Again, we can plug in what we have;

[tex]59 = 5 + 9d\\9d = 54\\d = 6[/tex]

What is the value of u?
u+40°
U-19°
U=

Answers

Answer:

u = 59

Step-by-step explanation:

The sum of the exterior angle is equal to the sum of the opposite interior angles

u+ u-19 = u+40

2u -19 = u+40

Subtract u from each side

2u-19-u = u+40-u

u-19 = 40

Add 19 to each side

u+19-19 =40+19

u = 59

pls help! its due today i would mark u brainliest! but pls it's an emergency do both problems!

Answers

Answer:

Step-by-step explanation:

The coordinate is (x,-y)

Can someone please help me?
What is the length of the side
between point A and point B?
I
15 ft A
18 ft
B.
9 ft
27 ft

Answers

Answer:

195 answer.plus minus plus minus plus minus

The function h is defined by
h(x)=x²-2.
Find h(2z)

Answers

Answer:

[tex]h(x) = {x}^{2} - 2 \\ h(2z) = {(2z)}^{2} - 2 \\ = 4 {z}^{2} - 2 \\ = 2( {2z}^{2} - 1)[/tex]

Your house had a value of $480,000 and increased in value by 3.5%. How much is your house worth now?

Answers

Answer:

$496,800

Step-by-step explanation:

Present cost = $480,000

%increase = 3.5%

Present price of the house = 480,000 + 3.5% of 480,000

= 480,000 + 0.035 * 480,000

= 480,000 + 16,800

= $496,800

Present price of the house = $496,800

The yearbook has 12 pages for ads. Each page measures 6 in. By 12 in. Each ad measures 6 in. By 3 in. If all the ad space sells at ​$10 per​ ad, how much money will this raise for the​ yearbook?

Answers

Answer:

$480

Step-by-step explanation:

Each page measures 6 in. By 12 in. Each ad measures 6 in. By 3 in

based on the dimensions, there would be 4 ads per page

total ads in 12 pages = 4 x 12 = 48

total cost of ads = 48 x 10 = 480

whats the correct equation to solve for x

Answers

Answer:

12x - 29 + 4x + 1 = 180

Step-by-step explanation:

(12x - 29) and (4x + 1) are same- side interior angles and sum to 180° , then

12x - 29 + 4x + 1 = 180 ← is the equation to solve for x

16x - 28 = 180 ( add 28 to both sides )

16x = 208 ( divide both sides by 16 )

x = 13

Can someone please help me out with this? *with full explanation
no bots please, thank you!!

Answers

Answer:

Well if perminder = 52ft that means x=5b8

Step-by-step explanation:

Can anyone help me with this please?

Answers

Answer:

The ones selected are correct

someone help me find what is m

Answers

Answer:

measure of angle F=    109 degrees

Step-by-step explanation:

I believe by m you are solving for angle F.  So, angle H =71 degrees. GF and HI are parallel. In order to find angle G, Take the supplementary of 71 degrees, so 180-71 = angle G =109 degrees. Because GH and FI are congruent, the angles should be same across the shape, so angle I 71 degrees. Quadrilateral has a total of 360 degrees, so, 360-71-109-71=109 degrees. In general, angke G would equal angle F because of the trapezoid properties that take place when both bases are parallel and two of the sides are congruent, the trapezoid is an isosceles trapezoid

Two angles in a triangle have measures of 25° and 55º.
What is the measure of the third angle?
A. 135
B. 100
C. 80°
D. 30°
Help please hurry

Answers

Answer:

B

Step-by-step explanation:

180 - (25 + 55) = 180 - 80 = 100°

PLSSSS HELPP MEEEEE BRAINLIEST REWARDD

Answers

Answer:

40.) the third one

42.)the last one

Step-by-step explanation:

1. The function would increase at a faster rate
2. The quotient of two polynomials is always a polynomials

convert 8m 32 cm into centimeters​

Answers

Answer:

832 cm one meter us equal to 100 cm so 8 multiply 100 plus 32 is equal to 832

DUE VERY SOON. PLEASE ANSWER FAST

Explain how decisions are a combination of theoretical, experimental, and subjective probability

Answers

Answer:

They help know which decision is best and help you realize. It help expirement as well. For example you are trying to see what happens after making a decision. Decisions are also well known to making good and correct choices.

What is area? how is the mass of a body? Write its si unit.

Answers

Answer:

The total quantity of matter contained in an object is called its mass.

It is scalar quantity.

It is measured by beam balance.

Mass of the object remains constant at all the places.

We can measure mass of an object by its inertia.

SI unit of mass is ”kg”.

brainlest answer plz ..

Please help with this, will give brainliest.

Answers

Answer: Choice B

Explanation:

The negative exponent means we apply the reciprocal to get the exponent to be positive.

The rule is (a/b)^(-c) = (b/a)^c

That means (1/4)^(-3) = (4/1)^3 = 64 which is a whole number.

Something like 2^(-3) = 1/(2^3) = 1/8 = 0.125 isn't a whole number, so we can cross that off the list. The same goes for choices A and C as well.

Answer:

B

Step-by-step explanation:

1/1 ÷ (1/4)³ = 1 x 4³ = 64

A square with side length 4 cm represents 20% of a larger figure what is the area of the larger figure?

Answers

First we are going to find divided by 100 and multiply 20 is equal to four.

We are gonna use x to represent this number.

x/100 * 20 = 4

Solve for x

Therefore x = 20cm

Now that we found x the side of the larger square we are gonna find the area which is side^2.

20 * 20

Therefore the area of the larger square is 400cm^2

guys whats 10x10 pls help me thank you

Answers

It's 100 ... ... ... ... ...

Find the exact value of tan A in simplest radical form

Answers

Answer:

tan A = 1.8

Step-by-step explanation:

tan A = 14/√60 = 1.8

PLEASE HELP
7) What are examples of a polyhedron? Check ALL that apply. *
cylinders
triangular prisms
spheres
rectangular prisms
square prisms
cubes
cones

Answers

Cubes
Triangular prisms
Rectangular prisms
Square prisms
Square prisms

Write (43)5 as a single power of 2​

Answers

Answer:

Inserting the squared symbol on your Android smartphone is relatively easy and straightforward. To insert the squared sign, just long-press the number 2 and it will insert the superscript ².

Step-by-step explanation:

1. Factory in Wichita
The cost per unit for Wichita’s factory is graphed as a piecewise function over the domain [0, 35000]. a. Write one or two sentences to describe the cost function for the Wichita factory. (5 points) b. Write the piecewise function for the cost per unit for production of units in the Wichita factory. That is, state the function (), where is the number of units produced. (10 points) c. What is the cost per unit for 35,000 units? (5 points) d. According to the graph, if only one unit was produced, the cost per unit would be $1.00. In reality, the company would not call in its worker and start up the equipment to produce one unit. What safeguard do you think that many manufacturers use to avoid this type of problem? (5 points) e. Of the following three statements, choose the best option and write a viable argument showing how it is reflected by the Cost Function for Wichita’s factory. (10 points) ___ The electricity contract with the utility company is structured so that higher daily energy usage is charged at a lower rate.___ The plant’s production processes are performed primarily by robots that are able to work longer hours, when needed, at no additional cost.
___Overtime wages were required to produce at levels above 25,000 units.
2. Factory in Seattle Seattle’s factory is the company’s newest. It was constructed with sustainable building techniques and materials, so its cost structure has been affected in several ways. The Seattle plant uses a mix of solar power (not very reliable with so many clouds), thermal power, and wind. It has an array of batteries, so at the beginning of each production day, there is “free” stored energy that can produce up to 8,000 units. Of course, energy is just one factor of the cost of production, but it is significant.
The cost function for the Seattle factory is given by the following piecewise function. That is, ()is the cost function, where is the number of units produced. The plant’s maximum capacity is 42,000 units
per day.
() = { 0.35 ≤ 8,000
0.75 8,000 < ≤ 20,000
0.83 − ( 200,000) 20,000 < ≤ 42,000
a. Sketch a graph to model Seattle’s cost structure over the domain [0, 42000]. Be sure to label the axes and any endpoints where the graph breaks. (5 points)
b. Describe the function over each part of its domain. State whether it is constant, increasing, or decreasing, and state the slope over each part. (5 points)
3. Factory in Omaha Omaha’s factory has yet another type of cost structure. Its cost function is provided graphically. Its maximum capacity is 38,000 units per day.
a. At what rate is the cost per unit decreasing for production levels above 12,000?(5 points) b. State the function for the domain over [12000, 38000]. (10 points)
c. What is the cost per unit at the production level of 19,000? (5 points)
Omaha’s city council approved a special growth incentive that decreases the company’s tax burden for production levels above last year’s average. Explain how this is reflected by the Cost Function for Omaha’s factory. 4. Analysis and Making Production Decisions You have now provided your company’s management with powerful tools that model the cost of

Answers

Answer:

According to the graph, if only one unit was produced, the cost per unit would be $1.00. In reality, the company would not call in its worker and start up the equipment to produce one unit. What safeguard do you think that many manufacturers use to avoid this type of problem?

The per-unit cost will be as follows,

a) Wichita factory has cost function as more up to 25000 units and less for above 25000 units.

b) Piece wise function for cost per units for production of units can be written as

C(x) = cost per unit, will be as follows,

C(x)=1÷x,0 [tex]\leq[/tex] x [tex]\leq[/tex] 25000,

=0.8÷x, 25000 [tex]\leq[/tex] x [tex]\leq[/tex] 35000,

C) cost per unit for 35000 unit

=C(35000)= 0.8÷35000

= 2.28(10⁻⁵)

What is the cost per unit?

Cost per unit  is referred to the cost of goods sold or the cost of sales, is how much money a company spends on producing one unit of the product they sell.

Thus, the cost per unit will be 2.28(10⁻⁵).

Learn more about cost per unit here,

https://brainly.com/question/13333695

#SPJ2

please provide a solution its urgent

Answers

Yes lil mosey is in fact white.

The solution set of the inequality 2x – y > 2 consists of all the points ?_the line ?
O
above; y = 2x - 2
below; y = 2x - 2
above; y = -2x + 2
below; y = -2x + 2
0

Answers

Answer:

Step-by-step explanation:

I Need Help I Don't Understand This

Finding a final amount in a word problem on exponential growth or decay

A certain forest covers an area of ^2. Suppose that each year this area decreases by 8.5%. What will the area be after 8 years?
Use the calculator provided and round your answer to the nearest square kilometer.

Answers

The kilometer with the meter and then and that will equal 8.5%

please help (Determine the slope of the line. Show the work you did to find the slope.)
10 POINTS!

Answers

Answer:

slope of line is 3/5

Step-by-step explanation:

slope is the ratio of the change in the y-values over the change in the x-values

in this problem, if you go from pt A to pt B, you rise by 3 and go to the right by 5, thus slope of 3/5

if you go from pt B to pt C, you rise by 6 and go to the right by 10

however, 6/10 can be reduced to 3/5

if you start at point (0,2) and rise by 3 and run to the right by 5 you are at point (5,5)

change in y-values is 5-2 or 3

change in x-values is 5-0 or 5

(5-2)/(5-0) = 3/5

Whoever solves it correctly will get 32 points

Answers

Ur answer is c!!!!!!!
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