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alexandr402 [8]
3 years ago
15

Is 5/4 a solution to the problem: 3(+9)=4−7+7.

Mathematics
1 answer:
Alik [6]3 years ago
5 0

Answer:

No the soultion is not equal to 1 1/4

The solution to the given question is either 6 3/4 or  4 /27

Step-by-step explanation:

Let

3(+9)=(4−7+7)x

27 = 4x

x= 27/4

x= 6 3/4  is the answer

or

Let

3(+9) x=(4−7+7)

27x = 4

x= 4/27

The plus sign inside the bracket indicates that 3 is multiplied with positive nine and -7 and +7 are cancelled and 4 is left behind.

If x is on the left side the answer will be 6 3/4  and if it is on the right side the answer is 4/27 .

In both cases the answer is not equal to 5/4 .

5/4 means 1 1/4 which is not equal to either 6 3/4 or 4/27

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Find 2a for a = 3 1/4. 23 1/4 6 1/4 6 1/2 5 1/2
-BARSIC- [3]

Answer:

6 \frac{1}{2}

Step-by-step explanation:

you are adding 3 1/4 to 3 1/4 which is 6 2/4 or 6 1/2

or you can multiply 13/4 by 2 to get 26/4 or 13/2 which, again, is 6 1/2

7 0
3 years ago
A musical charges $ 3.50 for children's tickets and $5.00 for adults tickets. Last night, twice as many adults attended the musi
iogann1982 [59]

Answer: 61 children attended the musical last night.

Step-by-step explanation:

Let x represent the number of children that attended the musical last night.

Let y represent the number of adults that attended the musical last night.

The musical charges $3.50 for children's tickets and $5.00 for adults tickets. If the tickets sales totaled $823.50. It means that

3.5x + 5y = 823.5- - - - - - - - - - 1

Last night, twice as many adults attended the musical than children. It means that

y = 2x

Substituting y = 2x into equation 1, it becomes

3.5x + 5 × 2x = 823.5

3.5x + 10x = 823.5

13.5x = 823.5

x = 823.5/13.5

x = 61

y = 2x = 2 × 61

y = 122

3 0
3 years ago
I would really appreciate help
vivado [14]
The first graph would be your answer. I hope this helps love! :)
4 0
4 years ago
Write an expression for - add 5 to the quotient of z and 6, then subtract 8 from the result
alina1380 [7]

Answer:

The answer would be z/6 + 5 - 8.

Step-by-step explanation:

Quotient means the answer to a division problem, so we know that z and 6 must be divided. Then it tells us to add 5 to the quotient and then subtract 8 from the total. Because of PEMDAS no parentheses are needed.

6 0
3 years ago
A contractor charges $227 to tile an 80-square-foot patio and $467 to tile a 180-square-foot patio. The contractor charged a cus
rosijanka [135]
 <span>Its 280 sq ft 

the pricing plan is $35 plus $2.40 per sq ft</span>
5 0
4 years ago
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