What mistake did Andy make ?

What Mistake Did Andy Make ?

Answers

Answer 1

Answer:

The mistake that Andy made was on step 2 when he multiplied only the variables by 12.

Step-by-step explanation:

When you're solving an equation and are multiplying one side by a number, you need to multiply the other side by that number as well to keep the equation true. Since Andy multiplied only the variables and not the constants on each side of the equation, that means the equation would no longer be valid, and solving it would provide a wrong answer.

Answer 2

Answer:

person above me is right. that's is the answer.


Related Questions


Marking Brainlist sheesh

The word "jabbering" is an example of

A) Alliteration
B)Simile
C)Hyperbole
D) Onomatopoeia

The phrase "his heart stopped" is an example of
A) Simile
B) Metaphor
C)Hyperbole
D) Onomatopoeia ​

Answers

Answer:

Hyperbole

Step-by-step explanation:

because i did that test

Answer:

Both r hyperbole

Step-by-step explanation:

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Answers

Answer:

huh i am very confused

Step-by-step explanation:

ok got it :DHave a great day!!

Three times a number is 36. What is the number?

36
n
n
n

n =
PLSS HELP I AM TIMED

Answers

well 3.3 x 3.3 x 3.3 = 35.9 which rounds to 36
not sure if your question says anything about rounding
12 is the number. 3 x 12 =36

what is the circomfrence of the circle r = 4 ft

Answers

Answer:

C≈25.13ft

Step-by-step explanation:

C=2πr=2·π·4≈25.13274ft

HELPPP PLEASE PLEASE

A sales representative sells a salad
dressing recipe for $620 and gets an
additional $0.15 for each bottle sold.
Write an equation to model the total
payment.

Answers

Answer:

620+0.15x=total payment

Step-by-step explanation:

It is the price of the recipe plus the amount the representative gets per bottle sold. Replace x with the number of bottles sold and multiply it by the 0.15. Add the 620 and you get your total.

What is 7% of 300?

please don’t ignore this lol

Answers

Answer:

7/100×300 you get 21 lol

Answer:

7% of 300 = 21

Step-by-step explanation:

Here's how it's done:

7 ÷ 100 × 300 = 21

Hope this helps! :)

Find the missing angles.

Answers

Answer:

b=123

c=123

Step-by-step explanation:

Both b and c are 123

find the value of x and y​

Answers

Answer:

how do we find the value of x and y if there's no equation so please write your question

Answer:

Since, I could not answer your last question, I have tried to explain WHY SUM OF CO INTERIOR ANGLE IS 180°

Step-by-step explanation:

Blah blah blah...

Help me please id really appreciate your help

Answers

Answer:

See explanation below

Step-by-step explanation:

Volume = (11)(10)(7) = 770 cubic centimeters

Surface area = (2)(10)(7) + (2)(11)(7) + (2)(11)(10) = 1774 square centimeters

b) Surface area (How much wax can cover the cube)

c) Volume (How much juice will be inside the cube)

a) Volume: 770 cm^3
Work: V = l*w*h = 11*7*19 = 770
Surface Area: 514 cm^2
Work: 110+110+77+77+70+70 = 514
b) Answer: surface area
Explanation: wax coats the outer surface of the juice box, and is therefore dependent on surface area.
c) Answer: Volume
Explanation: the juice fills up the inside of the box, meaning that it represents the volume.

Find the other endpoint of the line segment with the given endpoint and midpoint
Endpoint: (3,5)
Midpoint: (7, -2)

Answers

Answer:

The other endpoint is (11,-9)

Step-by-step explanation:

Midpoint Formula

[tex]\large\boxed{(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} )}[/tex]

We already know the another endpoint which is (3,5). We substitute x = 3 and y = 5 in the formula. You can substitute in x1, x2 or y1, y2. I'll substitute in first x-term and first y-term instead.

[tex]\large{\begin{cases} \frac{3+x}{2}=7\\\frac{5+y}{2}=-2 \end{cases}}[/tex]

Because sum of two x-coordinate (along with y-coordinate) divided by two must equal to the midpoint (Let's say that you get the value of midpoint when using midpoint formula.)

Solve the equation for both terms.

[tex]\large{\begin{cases} \frac{3+x}{2}=7\\\frac{5+y}{2}=-2 \end{cases}}[/tex]

Cancel the denominator by multiplying the whole equation by 2.

[tex]\large{\begin{cases} \frac{3+x}{2}(2)=7(2)\\\frac{5+y}{2}(2)=-2(2) \end{cases}}\\\large{\begin{cases} 3+x=14\\ 5+y=-4 \end{cases}}[/tex]

Isolate x-term and y-term.

[tex]\end{cases}}\\\large{\begin{cases} 3+x=14\\ 5+y=-4 \end{cases}}\\\end{cases}}\\\large{\begin{cases} x=14-3\\ y=-4-5 \end{cases}}\\\end{cases}}\\\large{\begin{cases} x=11\\ y=-9 \end{cases}}[/tex]

Therefore, when x = 11, y = -9. We can write in ordered pair as (11,-9). The ordered pair (11,-9) is our other endpoint of the line segment. This can be proved by using the distance formula between midpoint and endpoints.

Note: The distance of (3,5) and (7,-2) must equal to the distance of (11,-9) and (7,-2)

Need help ASAP with the answer please and thank
NO LINKS

Answers

Answer:

$100

Step-by-step explanation:

Multiply 250 by 2. Then, divide that by 5

You're making lemonade A website indicates to use 4 parts water for every 1 lemon and 2 cups of sugar
if you use 20 cups of water, how much sugar do you need?
2nd question: if u want to make lemonade with 2 lemons how much water would you need?

Answers

Question 1. Is 40

Question 2. Is 10

Pls help me!!!! Im stuck!!!

Answers

Answer:

has no solution.

Step-by-step explanation:

you can see that the two equations are almost identical except for the fact that one is multiplied by 7, but it isnt completely multiplied correctly so there would be no solutions.

Answer:

infinite solutions  

Step-by-step explanation:

you can solve this by the elimination method. take the rover a equation and multiply it by -7 and then combine the equations. when you do this, you can see that either side equals 0 which means that there are infinite solutions.

-7(y= 1.5x - 6) which equals the equation below

-7y= -10.5x-42 then combine the other equation

7y=10.5x+42 and that equals

0=0

Factor the following polynomial 5x^2 + x

Answers

Hi

5x²+x =  x ( 5x +1)

Answer:

(5+1)

Step-by-step explanation:

How do I find the next four of the sequence?

Answers

Step-by-step explanation:

In this arithmetic sequence, the common difference d is 7. You can find this by subtracting a term from the consecutive term: 16 - 9 = 7, 23 - 16 = 7. In order to find the next four terms, keep adding 7 to the previous term. The next four terms are 30, 37, 44, and 51.

Answer:

Step-by-step explanation:

[tex]a_{1}[/tex] = [tex]\frac{3}{4}[/tex]

d = - [tex]\frac{1}{4}[/tex]

[tex]a_{2}[/tex] = [tex]\frac{3}{4}[/tex] + ( - [tex]\frac{1}{4}[/tex] ) = [tex]\frac{1}{2}[/tex]

[tex]a_{3}[/tex] = [tex]\frac{1}{2}[/tex] - [tex]\frac{1}{4}[/tex] = - [tex]\frac{1}{2}[/tex]

[tex]a_{4}[/tex] = - [tex]\frac{1}{2}[/tex] - [tex]\frac{1}{4}[/tex] = - [tex]\frac{3}{4}[/tex]

[tex]a_{5}[/tex] = - [tex]\frac{3}{4}[/tex] - [tex]\frac{1}{4}[/tex] = - 1

1\2 x 12 x 14 plz I need help

Answers

Answer:

84

Step-by-step explanation:

  x12

Simplify   ———

           x14

Dividing exponential expressions :

1.1    x12 divided by x14 = x(12 - 14) = x(-2) = 1/x2

Final result :

  1

 ——

 x2

What is the missing step in this proof

Answers

Its A
Explaining step by step

Christopher's backyard is in the shape of a trapezoid. The bases of the backyard are 30 and 50 feet long. The area of the backyard is 960 square feet. Write and solve an equation to find the height of Christopher's backyard. =12(1+2)ℎ

Answers

Answer:

24 feet

Step-by-step explanation:

The formula for the height of a trapezoid =

h = 2A/ a + b

A = 960 square feet

a = 30 feet

b = 50 feet

h = 2 × 960/30 + 50

h = 1920/80

h = 24 feet

koalas sleep for 20hours a day. For what fraction of a day do koalas sleep?

Answers

Answer:

5/6

Step-by-step explanation:

There are 24 hours a day and a koala sleeps for 20 hours of it:

20/24

5/6

Answer:

they sleep for 20/24 percent of the day or 4.8 percent.

Step-by-step explanation:

Use the distributive property to multiply combine like tems & find the equation
6x(6x+3)-3(6x+3)

Answers

Answer:

Solution: 36x2−9

Step-by-step explanation:

So, you always have to start with distrubuting which is basically dividing.

Heres the equation that I started with. You can do it differently of course.

36x2+18x-3(6x+3)

combine like terms.

36x2-9

, your solution will be

36x2-9

Write
39
100
as a decimal number

Answers

39.0 is the decimal for it

Answer:

0.391.00

Step-by-step explanation:

"100% as a decimal is written as 1.00 as decimal notation.""39% = 0.39 in decimal form. Percent means 'per 100'. So, 39% means 39 per 100 or simply 39/100."

Find the area of each polygon. Write the
equations and solve showing ALL the work.

a regular hexagon with an apothem of 3 ft

Answers

The answer to this hard equation of Thai hard problem of this impossible thing the answer is 3

An airplane is traveling at a speed of 200 miles/hour with a bearing of 240°. The wind velocity is 60 miles/hour at a bearing of 25°. What are the
plane's actual speed and direction angle?

Answers

Answer:

225.1°

155mph

PLEASE HELP!!!!

Quadrilateral ABCD is similar to quadrilateral EFGH. What is the value for x, the length
of side CD?
A-10
B-16
C-14
D-18

Answers

X=12*(21/14)=18 // you can find the ratio of the according sides.
-》D

Answer:

D 18

Step-by-step explanation:

Which statement describes the association in this scatterplot?
A) positive linear association
B) negative nonlinear association
C) negative linear association
D) positive nonlinear association

Answers

Answer:

a

Step-by-step explanation:

the plots are going up from the origin which means its positive and linear

someone please help fast!!​

Answers

If im looking at this right, it would be area=x^2+8x+27
X^2+11x+27 i believe

Links will be reported!

You randomly choose one of the marbles. Without replacing the first marble, you choose a second marble. There are 4 marbles. One yellow, one red, one green, and one blue. Name two ways you can find the total number of possible outcomes.

Answers

The way I see it, there are 16 possible outcomes. I figured this out by there being 4 marbles and 4 different colors. I multiply 4 times 4 and get 16. You could get red and blue, blue and green, etc. It all depends on which color you grab first and which one you grab second. Yes getting green and yellow is technically the same as getting yellow and green but at one point you grabbed green first and the other you grabbed yellow first.

PLZZ HELP I AM GOING TO FAIL ( THIS WORTH 29 POINTS)


Kwame and Karen both deposited $2 000 in separate savings accounts.


Kwame's bank pays 3.1% simple interest.

Karen's bank pays 2.7% interest compounded annually.


What will be the combined balance of their accounts after 4 years?

Answers

Answer:

2248+2224.91= 4472.91

Step-by-step explanation:

A = $2,248.00

I = A - P = $248.00

Equation:

A = P(1 + rt)

Calculation:

First, converting R percent to r a decimal

r = R/100 = 3.1%/100 = 0.031 per year.

Solving our equation:

A = 2000(1 + (0.031 × 4)) = 2248

A = $2,248.00

The total amount accrued, principal plus interest, from simple interest on a principal of $2,000.00 at a rate of 3.1% per year for 4 years is $2,248.00.

A = $2,224.91

A = P + I where

P (principal) = $2,000.00

I (interest) = $224.91

Calculation Steps:

First, convert R as a percent to r as a decimal

r = R/100

r = 2.7/100

r = 0.027 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 2,000.00(1 + 0.027/1)(1)(4)

A = 2,000.00(1 + 0.027)(4)

A = $2,224.91

Summary:

The total amount accrued, principal plus interest, with compound interest on a principal of $2,000.00 at a rate of 2.7% per year compounded 1 times per year over 4 years is $2,224.91.

11. The rope Jenny brought with her camping gear is 54 inches long. Jenny needs to cut shorter pieces of rope that are each 18 inches long. What are the possible number of pieces Jenny can cut? also, I'm sorry that the picture is sideways. ​

Answers

Answer:

18x≤54

Step-by-step explanation:

Jenny can only cut multiples of 18. x represents the number of pieces that Jenny can cut in order to satisfy the condition that she cuts less than or equal to 54 inches of rope total.

Find the area of the figure.

Answers

Answer:

A) 32.5 *but there's a typo... it's supposed to be 23.5)

Step-by-step explanation:

The area of the whole triangle is 31.5 sq. in. Then, subtracting the area of the cutout (8 sq. in.) from the triangle (31.5 sq. in.) will give you a final answer of 23.5 sq. in. I think the teacher messed up and did 32.5 instead of 23.5

Agree with first person’s answer of 23.5

Picture the whole big red triangle with no piece cut out. The area of that triangle is:
A = 1/2 base • height
A = 1/2 (7)(9)
because to get the full base size you have to add the 2 from the cut out rectangle, and to get the full height size you have to add the 4 from the cut out rectangle.
A = 1/2 (63) = 31.5

Then we subtract the area of the cutout rectangle. That area = length • width = 4 • 2 = 8.

31.5 - 8 = 23.5 square inches
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