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zlopas [31]
2 years ago
10

How many solutions does 9x+5=9x+7

Mathematics
2 answers:
zhenek [66]2 years ago
8 0

Answer:

0

Step-by-step explanation:

If we try to solve this question, we get no solutions:

First we subtract 5 from both sides :

9x = 9x + 2

Now we subtract 9x from both sides :

0 = 0 +2

0 = 2 ❌

This is why this equation has no solutions

Hope this helped and have a good day

Troyanec [42]2 years ago
3 0

Answer:

There are 0 solutions to this problem because it cannot be re-arranged logically enough to come to a new conclusion.

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Mikes plumbing charges 68 for coming to your house and 17 per hour for labor if I paid him 357, how many hours, h, was mike at m
Roman55 [17]

Answer:

b. 68 + 17h = 357

f. 17 hours

Step-by-step explanation:

Charges for coming to my house = $68 (this will be the constant of the equation)

Amount charged per hour labor = $17

hours = h

Total amount paid to Mike = 357

The equation that represents this situation can be expressed as:

68 + 17h = 357

Solve for h

68 + 17h - 68 = 357 - 68 (subtraction property of equality)

17h = 289

\frac{17h}{17} = \frac{289}{17} (division property of equality)

h = 17

Mike was in my house for 17 hours.

5 0
3 years ago
Which of the following fractions is greater than -4/5 but less than -3/4
choli [55]

Answer:

B. -19/25

Step-by-step explanation:

You are looking for an answer that is greater than -4/5 (which is equal to -0.80) but less than -3/4 (which is equal to -0.75). So, you can easily convert the fractions to decimals by dividing.

-33/50 = -0.66, which is greater than -0.75, so it can be eliminated.

-19/25 = -0.76, which fits our parameters, so it is the answer.

-19/20 = -0.95, which is less than -0.80, so it can be eliminated.

-7/10 = -0.70, which is greater than -0.75, so it can be eliminated.

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3 years ago
PLEASS HELP!!
Vinvika [58]

Answer:

The answer is B

Step-by-step explanation:

By proportion , 3 : 2.91 = 2: x . then you write it in fraction

5 0
1 year ago
17 mm<br> 8 mm<br> 9 mm<br> 15 mm
OleMash [197]

Answer:

do you have to add the numbers together or multiply

4 0
3 years ago
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Line PQ in line RS intersect to form four right angles which statement that would it be
Sholpan [36]

Answer:

PQ is perpendicular to RS

that is to mean:

PQ⊥RS

Step-by-step explanation:

3 0
3 years ago
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