Gabi tried to solve an equation step by step. \qquad\begin{aligned} 0.1(0.5m+6)&=2\\\\ \\ 0.5m+6&=20&\green{\text{Step } 1}\\\\ \\ 0.5m&=14&\blue{\text{Step } 2}\\\\ \\ m&=7&\purple{\text{Step } 3}\\\\ \end{aligned} 0.1(0.5m+6) 0.5m+6 0.5m m =2 =20 =14 =7 Step 1 Step 2 Step 3 Find Gabi's mistake. Choose 1 answer: Choose 1 answer: (Choice A) A \green{\text{Step }1}Step 1start color #28ae7b, start text, S, t, e, p, space, end text, 1, end color #28ae7b (Choice B) B \blue{\text{Step }2}Step 2start color #6495ed, start text, S, t, e, p, space, end text, 2, end color #6495ed (Choice C) C \purple{\text{Step }3}Step 3start color #9d38bd, start text, S, t, e, p, space, end text, 3, end color #9d38bd (Choice D) D Gabi did not make a mistake.

Answers

Answer 1

Answer: Step 3 was Gabi's mistake

Answer 2

The solution of the Gabi's equation is m = 28. the Gabi's mistake was division in step 3.

What is a system of equations?

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Step 1: Distribute

0.1(0.5m + 6) = 2

(0.1 * 0.5m) + (0.1 * 6) = 2

0.05m + 0.6 = 2

Step 2: Subtract 0.6 from both sides

0.05m + 0.6 - 0.6 = 2 - 0.6

0.05m = 1.4

Step 3: Divide both sides by 0.05

0.05m / 0.05

= 1.4 / 0.05

m = 28

Hence, the solution of the Gabi's equation is m = 28. the Gabi's mistake was division in step 3.

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Related Questions

Part A
Joel ordered a set of beads.
He received 40 beads, and 60% of them were blue and 40% of them are green.
How many blue beads did Joel receive?
Answer:
blue beads.
Part B
How many green beads did Joel receive?

Answers

Answer:

24 Blue beads

16 Green beads

Step-by-step explanation:

.60×40=24

.40 ×40=16

Whenever you get a percentage move the decimal two places left and multiply by the total number.

example: 2% of 20 is 2.00 of 20, so move the decimal 2 spots to the left. .002×20=.04

Answer (Part 1): 16 blue beads

Explanation: 40 x 0.6 = 16 ; 0.6 is equal to 60% *just in decimal form

Answer (Part 2): 24 green beads

Explanation: 40 x 0.4 = 24 ; 0.4 is equal to 40% *just in decimal form

(Hope this helps! and please mark as Brainliest!)

I’ll mark brainiest please help

Answers

Answer:

idrk

Step-by-step explanation:

When taking the square root of ANY positive integer there will be ____ solutions, one that is __________________ and one that is ___________________.

Answers

Answer:

2 solutions, one positive and one negative

Step-by-step explanation:

A positive times a positive is always positive and a negative times a negative is always positive. Example square root of 9 is -3 and 3. 3x3=9 and -3 x -3= 9

PLS I NEED HELP ASAP I DONT HAVE TIME IT ALSO DETECTS IF IT RIGHT OR WRONG.

Answers

200.96

A=1/4πd2

Formula above

PLEASE HELP!! will mark brilliant!!!!

Answers

A is I answer, I’m so sorry I don’t know the 2nd one

Answer:

I think it is A and C if I am correct how that helps

Help me please I don’t understand it

Answers

Answer:

Your answer is 1120.

Hope that this is helpful. Vote and likhe it

If you multiply my number by -4 and subtract 20, the result is 8. What’s my number?

Answers

your number is -7.
-7 x -4 = (positive) 28
28-20 = 8

Answer:

It's -7

Step-by-step explanation:

-7 • -4=28 (multiplying 2 negatives gives you a positive)

28 - 20 =8

Help ok help I will give brainlyest

Answers

Answer:

594 cubic inches

Step-by-step explanation:

you multiply length times width times height to get 594

Answer:594

Step-by-step explanation: times 18x11x3

hope this helps

Solve 7+x over 3 = 2x-5

Answers

I hope it helps you dear ☺️

PLEASE SOLVE AND EXPLAIN I WILL MARK BRAINIEST AND GIVE 100 points

Answers

Answer:

Step-by-step explanation:

At a cupcake shop they make three chocolate cupcakes for every four vanilla cupcakes if they make 270 chocolate cupcakes how many vanilla cupcakes will they make?

Answers

Answer:

154, hope this helps

Step-by-step explanation:

116 + 154

O.8 repeating decimal convert into a fraction in simplest form

Answers

Answer:

4/5

Step-by-step explanation:

4/5 is in it simplest form

plz mark as brainliest(only if the answer is correct)

thank you

19Boli

eighteen is greater than the product of a number (n) and -9

Answers

Answer:

18 > -9n

Step-by-step explanation:

eighteen is greater than the product of a number (n) and -9

18 > -9n

How many times larger than 2x10^2 is 2x10^8

Answers

1000000 times larger

Step-by-step explanation:

2x10^2 is 200.

2x10^8 is 200000000

2x10^8 is 1000000 times larger that 2x10^2

11.x=-3+-1+0+2+3+5 y= = x+2

Answers

x = -3 + (-1) + 0 + 2 + 3 + 5

x = -3 - 1 + 0 + 2 + 3 + 5

x = -4 + 0 + 2 + 3 + 5

x = -4 + 10

x = 10 - 4

x = 6

y = x + 2

y = (6) + 2

y = 8

May someone plz help me I would appreciate it

Answers

Answer:

-5/2

Step-by-step explanation:

it not any of the rest if you have more questions just comment

This graph shows how the total number of postcards Kendra buys is related to the number of days she spends on vacation.

What is the constant of variation? Write your answer as a fraction.

Answers

Two postcards every five days therefore I think it would be 2/5 because rose over run (this may be wrong but that is was I got)

In the given context the constant of variation(k) is 2/5.

What is the constant variation?

The link between variables remains constant because of the constant of variation.

It is useful to use one of the following formulas to determine the constant of variation for an equation/

If k is the variational constant, then either x = k/y (inverse variation) or

x = ky (direct variation) should be used.

From the given graph we can observe the relationship between the number of postcards Kendra buys is related to the number of days is in direct variation when x = 5, y = 2.

∴ x = ky.

5 = 2k.

k = 2/5.

The constant of variation is 2/5.

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A triangle has side lengths of ( 4h + 2k) centimeters, (9h + 4m) centimeters, and (2m - k) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?

Answers

Answer:

P = (13h+k+6m) cm

Step-by-step explanation:

Given that,

The side lengths of a triangle are :

(4h + 2k) cm, (9h + 4m) cm, and (2m - k) cm

We need to find the perimeter of the triangle.

We know that,

Perimeter = sum of all sides

So,

P = (4h + 2k)+(9h + 4m)+(2m - k)

= (4h+9h)+(2k-k)+(4m+2m)

= 13h+k+6m

Hence, the perimeter of the triangle is (13h+k+6m) cm.

Edward had a lump of play doh that was 2 1/2 inches long. If he stretched it out to 3 times its current length how long would it be

Answers

It would be 7.5 inches

Answer:

the answer would be 7.5 inches long or 7 1/2 inches long

Step-by-step explanation:

2.5 multiplied by 3

I just need help pleaseee

Answers

Answer:

y=17

Step-by-step explanation:

opposite sides of parallelogram are congruent.

so , 12= y-5

or, y=17

Can ya help me with the answer

Answers

It would be C. Hope this helps!

Answer:
It’s the 3rd one

In the diagram below, the angle of depression from the top of the lighthouse to a speed boat is 27 degrees. The base of the lighthouse is 33 ft away from the boat. Determine the height of the lighthouse, to the nearest tenth of a foot.

Answers

Answer:

412

feet

Step-by-step explanation:

The angle of depression is always measured from the horizontal.

A triangle is formed by the lighthouse, the ground and the boat. The angle of depression is not in the triangle, but it is equal to the angle of elevation at the boat. (Alternate angles on parallel lines)

The angle at the top of the lighthouse, inside the triangle is:

90°−27°

=63°

The distance to the boat is the side opposite the angle of

63°

while the height of the lighthouse is the adjacent side.

opposite

adjacent

=tan 63°

distance

210=tan 63°

distance=210×tan 63°=412 feet

Answer:

breh

Step-by-step explanation:

Jayla’s age is 10 less than three times her brother’s age. Jayla is 11 years old. How old is her brother?

Answers

He’s 1 years old duh

When an equation in slope intercept form is y=-3r , what is the y-intercept?

Answers

Answer:

slope= 3

y intercept= (0,0) hope this helps

Step-by-step explanation:

solve the system of equations y=9x+13 y=2x+48 what does the second one equal

Answers

Answer:

x=5 and y=58

Step-by-step explanation:

find the least common denominator and write the equivalent fractions 3/8 and 3/10

Answers

Answer:

LCD of 3/8 and 3/10 is 40. The Equivalent fractions are 3/8 = 15/40 and 3/10 = 12/40 hope this helps :)

Step-by-step explanation:

1+1 is 2 right? i just have to be sure

Answers

Answer:

Absolutely

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

Shelly made a scale drawing of a room the actual room has a width of 16 feet and a length of 30 feet if Shelly used a scale factor of 2 cm=5 ft for the scale drawing what was the length of the room in the drawing

Answers

Answer:

sixteen times thirty divided by five

confusedddddddddddddddd

Answers

4x + 4 + 4x = 180 so solve for x and it’s 22
1. 4x + 4
92

2. 88

Solve the system by graphing. It is REQUIRED to check your solution. Show work for this problem on your work page.

y = x -1

y = -2x -4

Answers

Answer:

y=x-1

y=-2x-4

although I cant summon a graph for this one, I can give cords

for first graph (-2,-3),(-1,-2),(0,-1), (1,0),(2,1)

For second graph the slope is down 2 over 1, and begins at (0,-4).

(-2,0)(-1,-2),(0,-4),(1,-6),(2,-8)

Let's solve for x.

y=x−1

Step 1: Flip the equation.

x−1=y

Step 2: Add 1 to both sides.

x−1+1=y+1

x=y+1

Answer:

x=y+1

---------------------------------

Let's solve for x.

y=−2x−4

Step 1: Flip the equation.

−2x−4=y

Step 2: Add 4 to both sides.

−2x−4+4=y+4

−2x=y+4

Step 3: Divide both sides by -2.

−2x

−2

y+4

−2

−1

y−2

Answer:

−1

y−2

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