The work of a student to solve the equation 3(3y − 8) = 10 + 3y is shown below:

Step 1: 3(3y − 8) = 10 + 3y
Step 2: 6y − 5 = 10 + 3y
Step 3: 3y − 5 = 10
Step 4: 3y = 15
Step 5: y = 5

In which step did the student first make an error and what is the correct step?

Step 2: 9y − 24 = 10 + 3y
Step 2: 6y + 11 = 10 + 4y
Step 3: 6y − 8 = 3(6 + y)
Step 3: 3(3y − 8) = 7 + y

Answers

Answer 1
Step 2 9y - 24 = 10 + 3y because 3 times 3y its not 6y nor is 3 times 8 equal to 5

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Answer:

1. Supplementary angles

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3. verticle angles

4. alternate interior

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Which table contains only values that
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Answer:

C

Step-by-step explanation:

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c

Step-by-step explanation:

2^3=4^p find the value of p​

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Answer:

Exact form: p= 3/2

Decimal form: p= 1.5

Mixed Number: p=1 [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

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Answer:

there is literally nothing in the picture

Answer:

it's a black screen sized 200x200

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Answer:

2.8 > 2.8< i think

Step-by-step explanation:

The maximum speed that a sailboat can reach depends on the size of the boat. The graph below shows the maximum speed, v, that a sailboat can reach as a function of its length, l.
Complete the following sentences based on the graph of the function.

1. The longer the sailboat is, the [FASTER/SLOWER] it can go.
2. For a boat to reach the speed of 101010 kilometers per hour, it needs to be at least __ feet long.
3. The maximum speed that an 888-foot boat can reach is __ kilometers per hour.
4. A 16-foot sailboat at top speed is [1.5 times/2 times/2.5 times/3 times/3.5 times] as fast as a 4-foot sailboat at top speed.

Answers

Answer:

Review the graph to get answers:

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3. The maximum speed that an 8-foot boat can reach is 7.1 kilometers per hour.

4. Top speed of a 16-foot boat is 10 kilometers per hour and of a 4-foot boat is 5 kilometers per hour.

The ratio is:

10/5 = 2 times

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Answers

Answer: 11

Step-by-step explanation:

Since the equation of circumference is 2(r)pi

if 22pi=2(r)pi

then 22=2r

22=2r

r=11

Find the area of the following figure: 2ft 6ft 6ft 12ft

Answers

Answer:

96 ft²

Step-by-step explanation:

Area of triangle + area of square

Area of triangle = (base × height)/2

= 120/2=60

Area of square = 6 × 6=36

60 + 36= 96

Identity the coterminal angle between 360° and 360° for the angle - 120°
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Answers

answer is 240 degrees

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Answers

Answer:

74.2

Step-by-step explanation:

First think of a whole circle. The area of a circle is pi*r^2., which is 81 pi. Then the fraction of the circle is 105/360. Times this by 81 pi and you get about 74.2 and that is the answer.

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Answers

Answer:

1. supplementary angles

2. vertically opposite angles

3. corresponding angles

4. alternate interior angles

5. alternate exterior angles

6. corresponding angles

7. corresponding angles

8. alternate exterior angles

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Answers

Is there a picture or no?

Find the measure of <4.
{
44
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{
44 = [?]

Answers

Answer:

<4 = 22

Step-by-step explanation:

<4 = x

x + 158 = 180

x = 22

Same side interior angles are supplementary

<4+158=180<4=180-158<4=22°

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Answer: I believe the answer is 23k.

Step-by-step explanation:

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Order the specified numbers from smallest to biggest.

Answers

Answer:

-12, -3/4, -0.4, 0.4, 3/4, 8

Step-by-step explanation:

The radius of a circle is 3 centimeters. What is the circle's area?

Answers

Answer:

If the circle's radius is 3, then its area is 28.27 cm.

Step-by-step explanation:

A circle's area is equal to (A = π r²).

Plug in the radius for R, and your equation should look like the following:

A = π3²

According to PEMDAS, you have to do the exponent first.

Do 3 squared, THEN multiply what you get by pi.

Then what you get should be your area.

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Answer:

27/50

20 character minimum

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Answer:

98 sq. in.

Step-by-step explanation:

Area of Triangle formula : 1/2 x Base x Height

1/2 x 14 x 14 =98

Which of these graphs represents a function ?

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Answer:

Graph C

Step-by-step explanation:

solve for x in the equation

Answers

Answer:

third option

Step-by-step explanation:

subtract 125/4 from each side to get:

x² + 11x -1

use quadratic formula to get:

-11 ± √121 - 4(-1)/2

= -11 ± ([tex]\sqrt{125}[/tex]) / 2

* [tex]\sqrt{125}[/tex] = [tex]\sqrt{25}[/tex] · [tex]\sqrt{5}[/tex] = 5[tex]\sqrt{5}[/tex]

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Answers

Answer: Area of the shape is 168 ft.

Step-by-step explanation: Split the shape into 2 shapes: A rectangle and a triangle.

Area of the rectangle shape is 144 and the area of the triangle is 24. Add them and you get 168.

Write the equation of the line that passes through (7,-4) and (-1,-2) in slope-intercept form.

Answers

Answer:

y = -1/4x - 5/2

Step-by-step explanation:

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Answers

Answer:

8units²

Step-by-step explanation:

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Answers

34.2. You multiply 11.40 by .3 to find how many pounds they use which is 34.2 or it is 38 if you divide.

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Answers

Answer:

??????

Step-by-step explanation:

Answer:

wow this is not 40 points there u get no help

Step-by-step explanation:

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Answers

Answer:

Step-by-step explanation:

C

Answer:

A.

Step-by-step explanation:

k=am+3mx=m(a+3x)

⇒   [tex]m=\frac{k}{a+3x}[/tex]

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Answers

Answer:

1. 18.85in

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Step-by-step explanation:

I got you

So to find the circumference of any circle we use the equation 2pi(r)

2(3.1415)(3)= 18.85in for the first one because radius is half of the diameter which is 6 so half of 6 is 3

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Answer:

28 ft

Step-by-step explanation:

i used my fingers

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Answers

Answer: c 4/5

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Answer:

m∠X = 110°

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1.) Angle Y and W are equal from the markers, which means the angles are equal

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