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Keith_Richards [23]
2 years ago
5

Y’all please! i will mark brainliest if you answer all 5!

Mathematics
2 answers:
Contact [7]2 years ago
4 0

Answer:

4x + 10, 4x +10, 4x + 20, last 3 are not equivalent

2x + 15y

8x + y + 5

i don't know number 3

5(3d)

ad-work [718]2 years ago
3 0

Answer:

Down below

Step-by-step explanation:

1. first and second bulletin point

- 4x+10

- 4x+10

- 4x+20

-  12x+2

- 14x

2. 2x+15y

3. 1/4x; x can be the variable for what the sister has spent

4. 5+3x (not sure on this one but I believe it <em>could</em> be it)

5. Put a star on the x, underline both of the 8, and circle 5

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the ratio of cats to dogs is 5 to 4 if there are a total of 63 cats and dogs how many dogs are there and how many cats ate there
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Answer:

Number of cats is (5/9)(63) = 35, and number of dogs is (4/9)(63) = 28

Step-by-step explanation:

The given ratio is 5 to 4.  Sum these up, obtaining 9.  Then (5/9) of the whole represents the number of cats, and (4/9) of the whole represents the number of dogs.

Number of cats is (5/9)(63) = 35, and

number of dogs is (4/9)(63) = 28

As a check:  35 + 28 = 63.

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Answer: system nr 4.
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