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Semenov [28]
3 years ago
11

Nadia solved the equation 4x-4=20!4x=16 x=4what error did she make

Mathematics
2 answers:
irakobra [83]3 years ago
8 0
4(4) -4 = 16-4 = 12
She was wrong because she thought that x= 6
telo118 [61]3 years ago
6 0
The error is 20 is not the answer for 16-4
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5 times a number is 110 less than 7 times that number
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Answer:

55

Step-by-step explanation:

let the number=x

5x=7x-110

7x-5x=110

2x=110

x=110/2=55

3 0
3 years ago
Complete the statement below.
slava [35]

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▹ Answer

<em>3 × 4 = 4 × 3</em>

▹ Step-by-Step Explanation

You can use any expression that shows the commutative property of multiplication. For example, 3 × 4 = 4 × 3

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4 0
3 years ago
» What is the combined length of all the buttons longer than 1 inch​
GrogVix [38]

Answer:

how many buttons there are

Step-by-step explanation:

yo have to have a certain number of buttons

4 0
3 years ago
Problem 2 Example 2: Bruno spends $23 at the arcade. He purchased two drinks and spent $17 on games. What was the cost of each d
stiks02 [169]

Answer:

$3

Step-by-step explanation:

23-17=6

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To check:

6+17=23

3 0
3 years ago
Read 2 more answers
Please help, answer and show me the work. Thanks also solve for x
vova2212 [387]

3.  x+100 = 90   alternate interior angles are equal

subtract 100 from each side

x+100 - 100 = 90-100

x = -10


4.  17x+1 = 120    alternate exterior angles are equal

subtract 1 from each side

17x+ 1 -1 = 120 -1

17x = 119

divide each side by 17

17x/17 = 119

x =7

4 0
3 years ago
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