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Ilya [14]
3 years ago
14

Why can you use fraction multiplication to check the answer to a fraction division problem? How do you use multiplication to che

ck a division problem?
Mathematics
2 answers:
Triss [41]3 years ago
5 0

Answer:

Division and multiplication are inverse operations. This means they "undo" each other. You can check your answer by multiplying the quotient by the divisor. You should get the dividend.

Check all that you included in your response.

Δ Multiplication and division are inverse operations.

Δ Multiplication “undoes” division.

Δ Verify by multiplying the quotient by the divisor to get the dividend.

You Can Check All

<em> Espero que isto ajude!</em>

<em> Means Hope This Helps! In </em><u><em>Portuguese</em></u>

Vedmedyk [2.9K]3 years ago
4 0
Ex. if your problem is 2/3 ÷ 6/1 you would keep the first fraction the same, change division to multiplication and flip the second fraction
2/3×1/6
Hint: KCC (Keep, change, change)
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Find the simultaneous equation x-2y=1,y^2-3xy+8=0​
Hitman42 [59]

Answer:

  (-2.2, -1.6), (3, 1)

Step-by-step explanation:

You don't have to go far to find the equations. They are right there in your problem statement. Perhaps you want to find the solutions to the equations.

Use the first equation to write an expression for x, then substitute that into the second equation:

  x = 2y +1

  y^2 -3(2y+1)(y) +8 = 0

  -5y^2 -3y +8 = 0

  -(5y +8)(y -1) = 0

  y = -8/5   or   y = 1

The corresponding values of x are ...

  x = 2(-8/5)+1 = -11/5

  x = 2(1) +1 = 3

The solutions are (x, y) = (-2.2, -1.6) and (3, 1).

5 0
3 years ago
( 3m - 2 ) + 2 - m + 3
tia_tia [17]

Answer:

nxxjdndndndkdkd

snns

Step-by-step explanation:

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byhhbjdnd

nsnndbddnnjdjjjjkk

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7 0
3 years ago
The drama department needs to raise at least 575.00 for a trip to see a play they have already 163.00 if they sell candybars for
olga2289 [7]

Answer:

330

Step-by-step explanation:

575 - 163 = 412

412 / 1.25 = 329.6

Since we need to exceed the goal and we can only sell whole candy bars, we round 329.6 up to 330.

3 0
3 years ago
What’s the answer to this question?
Sonja [21]

Answer: The correct answer is additive inverse.

Step-by-step explanation: The additive inverse is the number that you add to another that has a total of 0. In this case, the additive inverse of 14 is negative 14.

4 0
3 years ago
In the year 2007, a person bought a new car for $23500. For each consecutive year after that, the value of the car depreciated b
Alexandra [31]

Answer:

17155

Step-by-step explanation:

23500-27%-17155

To the nearest hundred: 17200.

8 0
3 years ago
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