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Nookie1986 [14]
3 years ago
9

Gerardo completed this computation incorrectly.5__9= 15__24+ 5__12= 10__2425__24= 11__24What mistake did Gerardo make? A He shou

ld not have changed the numerators, only the denominators. B He should have used 12 as the common denominator. C He should have used 27 as the common denominator. D He should have used 36 as the common denominator.
Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0

Answer:

Sorry I can't answer you know

Step-by-step explanation:

Am so sorry

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Simplify:<br> 4 x - -5х + 3x- x+2х - 7х
Kitty [74]

Answer:

6x

Step-by-step explanation:

4 x - -5х + 3x- x+2х - 7х

Combine like terms so, so since all are the same you just do the operation they want u to do..

4x + 5x= 9x

9x + 3x = 12x

12x - x = 11x

11x + 2x= 13x

13x - 7x = 6x

Hint: 2 negatives make a postitive

Hint: in there is just an "x" there is always an invisible one in it... 1x

Hope this helped!

6 0
3 years ago
Two integers have a sum of 42 and a difference of 22. The greater of the two<br> integers is
DochEvi [55]
Let
x = larger integer
y = smaller integer

The two integers (x and y) have a sum of 42 which means they add to 42

x+y = 42

solve for y to get 

y = 42-x

simply by subtracting x from both sides

---------------------------------------------------

The two integers have a difference of 22. This translates to "subtract the values and the result will be 22", i.e.,

x-y = 22

Plug in y = 42-x. Solve for x

x-y = 22
x-(y) = 22
x - (42-x) = 22
x - 42 + x = 22
2x - 42 = 22
2x - 42+42 = 22+42
2x = 64
2x/2 = 64/2
x = 32

If x = 32, then y is...
y = 42-x
y = 42-32
y = 10

Therefore, 
x = 32
y = 10

The final answer is 10

5 0
4 years ago
Read 2 more answers
Please help me with 13 and 15 asap
Law Incorporation [45]
Gosh, I've done this problem before. Let's start with 13. In this problem, we're basically just skip counting. For example, in the roses row, in the second bouquet, we know we have to add 4 more flowers, so we can document 8. Continue to skip count for both. For 15, we would have about 96 more movie posters remaining, making our ratio 96:x. So, 96:x = 120:100. Therefore, x would equal 80- as 96:80 equals 120:100. If she needs 80 and already had 100, she should sell 20 posters. Hope this helped.
3 0
3 years ago
Cheyenne needs to cut a piece of paper so that she has exactly 1/3 of it. If the length of the paper is 11 inches, how long will
Kipish [7]

11* 1/3 = 11/3 =3 2/3

Choice c

7 0
3 years ago
Read 2 more answers
Any number that is divisible by 3 also divisible by 6. Find a counterexample to show that the conjecture is false.
Alex_Xolod [135]

Answer:

Any number that is divisible by 3 is also divisible by 6. Find a counterexample to show that the conjecture is false. 24 18 12 21.

Step-by-step explanation:

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5 0
3 years ago
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