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777dan777 [17]
3 years ago
15

Noah solved an equation as shown below and found that the equation has infinitely many solutions. Negative 3 (x + 4) + 2 x = 2 (

x minus 6) minus 3 x. Negative 3 x minus 12 + 2 x = 2 x minus 12 minus 3 x. Negative x minus 12 = negative x minus 12. Which explains whether Noah is correct? Noah is correct because the two sides of the equation are equivalent expressions. Noah is correct because if he continues the solution, the final solution will be x = negative 2. Noah is not correct because the equivalent expressions mean that there is no solution. Noah is not correct because he used the distributive property incorrectly.
Mathematics
2 answers:
ki77a [65]3 years ago
6 0

Answer:

A is the answer

Step-by-step explanation:

Yuri [45]3 years ago
6 0

Answer:

a

Step-by-step explanation:

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John and Paul both run on the same track each morning. The ratio of the number of miles John runs to the number of miles Paul ru
nirvana33 [79]

Answer:

Step-by-step explanation:

For example,

<u>Solution: Finding a unit rate</u>

If we divide 150 by 20, we get the unit rate for the ratio, 150 minutes for every 20 miles.

150÷20=7.5

So the runner is running 7.5 minutes per mile. We can multiply this unit rate by the number of miles:

7.5 minutes mile × 6 miles = 45 minutes

Thus it will take her 45 minutes to run 6 miles at this pace.

If it takes her 45 minutes to run 6 miles, it will take her 45÷3=15 minutes to run 6÷3=2 miles at the same pace.

If it takes her 15 minutes to run 2 miles, it will take her 4×15=60 minutes to run 4×2=8 miles at the same pace. Since 60 minutes is 1 hour, she is running at a speed of 8 miles per hour.

We found her pace in minutes per miles in part (a).

4 0
3 years ago
What is the place value of the 3 in the number 45,329
cluponka [151]

The answer would be the hundreds place


To find out you go from right to left.

For this problem you would start with 9

The 9 is in the units place


Then you go to 2

The 2 is in the tens place


Therefore the 3 is in the hundreds place


If you want to find out all the places to this problem here it is as follow:

4- ten thousands

5- thousands

3- hundreds

2- tens

9- units


Hope this helps! :3

5 0
3 years ago
Read 2 more answers
Eight times the sum of a number and 4 equals 3
BigorU [14]

The algebraic expression is:8(x+4)=3

And Value of x is: x=\frac{-21}{8}

Step-by-step explanation:

We need to write the expression of the statement:

Eight times the sum of a number and 4 equals 3

Let the number = x

The expression will be:

8(x+4)=3

Solving the expression to find value of x:

8(x+4)=3\\8x+24=3\\Adding\,\,-24\,\,on\,\,both\,\,sides:\\8x+24-24=3-24\\8x=-21\\x=\frac{-21}{8}

So, The algebraic expression is:8(x+4)=3

And Value of x is: x=\frac{-21}{8}

Keywords: Algebraic Expression

Learn more about Algebraic Expression at:

  • brainly.com/question/1600376
  • brainly.com/question/1617787
  • brainly.com/question/9720317

#learnwithBrainly

3 0
3 years ago
Point-Slope Form Practice
Lana71 [14]

Answer:

y=-x-7

Step-by-step explanation:

Equation of straight line in point slope form is given as

y-y_1=m(x-x_1)

Here

m=-1 \ and \ (x_1, y_1)=(-2, -5)

Therefore,

y+5=-1(x+2)

y=-x-7

4 0
3 years ago
Rewrite (2x+1)(x-2) using the distributive property then simplify
Contact [7]
(2x+1)(x-2) = 2x^2 - 4x +x -2= 2x^2-3x-2
3 0
4 years ago
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