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Klio2033 [76]
3 years ago
7

Benjamin solved the following equation: 4x − 2x + 8 = 6(x + 4) Step Work Justification 1 4x − 2x + 8 = 6x + 24 Combine like term

s 2 2x + 8 = 6x + 24 Combine like terms 3 −4x + 8 = 24 Subtraction property of equality 4 −4x = 16 Subtraction property of equality 5 x = −4 Division property of equality Which step has an incorrect justification?
Mathematics
1 answer:
Finger [1]3 years ago
3 0
For this case we have the following expression:
 4x - 2x + 8 = 6 (x + 4)
 The first step is:
 4x - 2x + 8 = 6x + 24
 The first step is, correct.
 However, the justification "Combine like terms" is NOT correct.
 The correct justification is:
 Distributive property of multiplication.
 Answer:
 
A step that has an incorrect justification is:
 
Step 1
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0.00000003 in scientific notation
tester [92]

Answer:

3×10x^{-8}

Step-by-step explanation:

0.00000003

Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the  

10 . If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.

6 0
3 years ago
Help me on this please
steposvetlana [31]
I got you hun!

27= 3x is the equation you will need

27 is the total the coach needs making it the total. Since each pack comes with 3 you will mutiply the amount of pack, or x, by 3. 

X=9 

we know this because if you divide 3 by 27 to get it on the other side we get 9. This means the coach needs to buy 9 packs of baseballs for the team.

27=3(9) 

Hope this helps!


5 0
3 years ago
Help please (place and label the following numbers on the number line. Order them as best as you can.)
svet-max [94.6K]

Answer:

least to greatest in order: -5/2(-2.5), -2.5, -2, -1.75, -1, 1.75, 9/4(2.25)

8 0
3 years ago
Pls tell i will give brainlist​
sesenic [268]
The degree is the highest power so
I) 2
Ii) 4
8 0
2 years ago
Read 2 more answers
Julio is paid 1.4 times his normal hourly rate for each hour he works over 30 hours in a week. Last week he worked 35 hours and
Harman [31]
<span>Julio is paid 1.4 times his normal hourly rate for every excess hour he works in a week.
last week he worked 35 hours and got 436.60 dollars.
We need to find an equation so we can be able to solve Julio’s earnings:
=> Let X be the value of Julio’s rate
=> 30 * X + 5 x 1.4x = 436.6
=> 30x + 7x = 436.6
=> 37x = 436.6
=> 37x / 37 = 436.6 / 37
=> x = 11.8
Thus the original rate of Julio is 11.8 dollars
=> 1.4 x 11.8 = 16.52 dollars, the rate of Julio with added rate
=> 30 x 11.8  + 5 x 16.52
=> 354 + 82.6
=> 436.6

</span>



3 0
3 years ago
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