Jackson was solving the problem below for k. However, he made a mistake.

19 - 2k = 3k - 1

+3k +3k

19 +1k = -1

-19 -19

k = -20



Part A: Identify the FIRST mistake Jackson made.

Part B: Solve for k.

Answers

Answer 1
Part A: Jackson added 3k instead of subtracting it from both sides.

Part B: 19 - 2k = 3k - 1
Subtract 3k from both sides
19 - 5k = - 1
Subtract 19 from both sides
- 5k = -20
Divide by -5 on both sides
K=4

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Does anyone know how to do graphing stories?

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Answer:

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I need help finding the slope, the y-intercept and the equation?

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Answer:

y is (0,-2) thats all i know sorry

Step-by-step explanation:

The equation of line will be;

⇒ y = x + 2

And, The y - intercept will be 2.

What is Equation of line?

The equation of line with slope 'm' and y - intercept at point 'b' is given as;

⇒ y = mx + b

Given that;

The points on the graph are (0, 2) and (- 2, 0).

Now,

Since, The equation of line passing through the points (x₁ , y₁) and (x₂, y₂) with slope 'm' is defined as;

y - y₁ = m (x - x₁)

Where, m = (y₂ - y₁) / (x₂ - x₁)

Thus, The slope of the line with the points (0 , 2) and (-2, 0) is;

m = (0 - 2) / (- 2 - 0)

m = - 2/- 2

m = 1

So, The equation of line passing through the points (0 , 2) and (-2, 0) with slope 1 is defined as;

y - y₁ = m (x - x₁)

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Now, Compare with the equation y = mx + b, we get;

The y - intercept = 2

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And, The y - intercept will be 2.

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What does f(1) represent in a sequence?

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Answer: First term.

Step-by-step explanation:

An ordered list with a pattern is  known as a sequence.It is denoted by [tex]<f(n)>[/tex] or [tex]<a_n>[/tex], where n is any natural number.

i.e. Domain for this function is natural number.

Natural number starts with 1.

so, at n=1 f(1) represents the first term in a sequence.

Hence, f(1) represents "first term" in a sequence

Write 7power of 8 times 7power4
Over 7 cubed
as a single power of 7

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Answer: U should try a video because i can't do exponents on my computer and i don't have time to write it.

Step-by-step explanation:

Which of these descriptions matches the graph

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Answer:

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Step-by-step explanation:

oop

Answer:

No photo was given.

Step-by-step explanation:

Mr. Brookins asked his students to plot an integer on a number line. Which two students could have represented the same number?

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Answer: a Serena and Aaron

Step-by-step explanation:

Answer:

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Step-by-step explanation:

What is the perimeter of 3/8 3/8 and 4/8

Answers

If it is a triangle it is 1 1/4.
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1.49
Divided by 7.4 rounded to the nearest tenth

Answers

Answer:

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Step-by-step explanation:

[tex]\frac{1.49}{7.4}[/tex] = 0.20135135, but rounded to the nearest tenth gives you 0.2.

74 days to 39 days state whether the percent of change is an increase or decrease

Answers

9514 1404 393

Answer:

  decrease

Step-by-step explanation:

39 is less than 74, so the change is a decrease, both in absolute and relative (percentage) terms.

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The percentage change is ...

  (39/74 -1) × 100% = -47.3% . . . . a decrease when the sign is negative

math question pls help the bottom number goes together

Answers

Answer:

10!

Step-by-step explanation:

1/2 x 8 = 4

4 - -4= 8

8 + 2 = 10

Max bought 16 gallons of gas for 40.64 Lydia bought 12 falls of gas for 31.08 kesia bought 18 gallons of gas for 45.72 who got the Best Buy

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Divide each number by the amount of gas (gallons) each person got. For instance.
40.64 divided by 16
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A number divided by −8 is 22. Find the number.

Answers

Answer:

divide 22 by -8

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Which of the following equations is equivalent to 2x+y = 7?
a
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Ob
y = 2x +7
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Answers

Answer:

a,y=‒2x+7

Step-by-step explanation:

2x+y=7

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Answer: It's -49

Step-by-step explanation:

:)

Victoria has $30 to spend at the fair. Admission cost $7. Ride tickets cost $0.75 each.
Write and solve an inequality that represents the number of ride tickets, she can purchase.
(5 points)

Answers

Step-by-step explanation:

30-7=23 dollars remained

let x be the tickets number

so 0.75*x=23

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x=31 at least.

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Answers

Answer:

That fraction on decimal form is 0.0833 but rounding it to the tenth would be 0.1

Step-by-step explanation:

You divide 1 by 12

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Answer:

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Step-by-step explanation:

The 40-ft-long A-36 steel rails on a train track are laid with a small gap between them to allow for thermal expansion. Determine the required gap d so that the rails just touch one another when the temperature is increased from T1=-20F to T2=90F. Using this gap, what would be the axial force in the rails if the temperature rises to T3=110F? The cross-sectional area of each rail is 5.10 in2

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Answer:

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Step-by-step explanation:

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Answers

Answer:

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Step-by-step explanation:

edg 2020

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Si el tamaño de una bacteria es 1,59 x 10-3 mm, ¿cuántos átomos de oxígeno caben a lo largo de ella? (Sabiendo que: el ancho de un átomo de oxígeno aprox. Es 4,804 x 10-9 cm).

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Step-by-step explanation:

Three different ways to name the shaded angles are

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I agree with the person above me

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Answers

Answer:

I think the answer is B

Step-by-step explanation:

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a)

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[tex]x > 2[/tex]

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b)

Given :

6 more than a number 'k' is less than or equal to 12.

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Answers

Answer:

9w+4=6 I believe is the answer

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Given,

Four more than the product of a number and 9 equals 6.

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- Product means we need to multiply.

- Equals means =

- Sum means adding

- Less than means we need to subtract.

Translate the given sentence into an equation.

Four more than = + 4

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the product of a number and 9 = w x 9

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Best rap of all time
Yeah, yeah
Ayo, men, it's time.
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The leg drops deep as does my chord.
I never chat, 'cause to chat is the girlfriend of award.
Beyond the walls of arms, life is defined.
I think of trees when I'm in a Mars state of mind.

Hope the board got some record.
My accord don't like no dirty cord.
Run up to the award and get the ward.

In a Mars state of mind.
What more could you ask for? The spiffing leg?
You complain about loud music.
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I'm rappin' to the cat,
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I woulda tried to wash I guess I got no tick.

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I waz kicked out without no bootleg.
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Ain't a soul alive that could take my girlfriend's segue.

An ample pineapple is quite the apple.

Thinking of trees. Yaz, thinking of trees (trees).

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Answer:

this whack

Step-by-step explanation:

if f(x)=3x+23, find the value of x so that f(x)=36
with steps please!

Answers

Answer: f(36)=131

Step-by-step explanation:

f(x)=3x+23

f(36)=3(36)+23

f(36)=108+23

f(36)=131

Answer:

131

Step-by-step explanation:

f(x)=3x+23 The first thing you do is plug in 36. so replace the X's with 36.

f(36)=3(36)+23 The second step is to multiple 3 times 36.

f(36)=108+23 The last step is to add 108 to 23.

F(36)=131

Solve for x. Show your work: x + 3 = 12

Answers

Answer:

x=9

Step-by-step explanation:

The objective is to get x by itself, so to do that we need to subtract three from both sides:

x + 3 = 12

      -3    -3

12-3= 9.

So, x=9.

Hope this helped!

Answer: x=9

x+3=12

1x+3=12

      -3

   =9

1x =9    --->  1x/1   9/1

/1   /1    --->  1x/1   9/1

x=9

Step-by-step explanation:

sorry if this doesn't make sense

What is the solution to -2(8x-4) is less than 2x+5?

Answers

Answer:

=−16x+8 for -2(8x-4)

Step-by-step explanation:

What is the solution to -2(8x-4)= -8x

What is the solution to 2x+5= 7x

so that means -2(8x-4) is less than 2x+5.

Answer: x > 1/6

Step-by-step explanation:

-2(8x - 4) < 2x + 5

Distribute:

-16x + 8 < 2x + 5

Subtract 2x from both sides:

-18x + 8 < 5

Subtract 8 from both sides:

-18x < -3

Divide both sides by -18:

x > 3/18 BUT this simplifies to:

x > 1/6

The reason the inequality flipped is because you divided both sides by a negative number.

The inequality ONLY flips when you divide or multiply both sides by a NEGATIVE number.

Hope this helps!

A 2-column table the first column is labeled Minutes per Week of Moderate/Vigorous Physical Activity with entries 30, 90, 180, 330, 420. The second column is labeled Relative Risk of Premature Death with entries 1, .8, .73, .64, .615.

According to the data, how does a persons relative risk of premature death change in coloration to changes in physical activity?


The risk of dying prematurely increases as people become more physically active.

The risk of dying prematurely does not change in correlation to changes in physical activity.

The risk of dying prematurely declines as people become more physically active.

The risk of dying prematurely declines as people become less physically active

Answers

Answer:

its c on edge

Step-by-step explanation:

Answer:

C. The risk of dying prematurely declines as people become more physically active.

Explanation: This is the correct answer on Edge 2021, just did the assignment. Hope this helps ^-^.

Sheryl has a basket of ripe apples and peaches. The number of apples in the basket is 12 more than twice the number of peaches. If there are 36 apples in the basket, there are (Your answer here ) peaches in the basket

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Take the total number of apples (36) and subtract 12, which equals 24. Then take 24 and divide it by two. There is 12 peaches in the basket
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