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FromTheMoon [43]
3 years ago
11

Simplify 8d-6e - 3d + 4e.

Mathematics
2 answers:
Anastasy [175]3 years ago
5 0

Answer:

5d-2e

Step-by-step explanation:

olga nikolaevna [1]3 years ago
5 0

Answer:5d - 2e

Step-by-step explanation:

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Explain how you could use either of two operation to solve exercise 10.
wel
You want to know the factor by which 3 2/3 is multiplied to get 7 1/3.

1. You can estimate that it is 2 from 7/3 ≈ 2, then check by multiplication to see if that is right.
.. 2*(3 2/3) = 6 4/3 = 7 1/3 . . . . 2 is the correct factor.

2. You can divide 7 1/3 by 3 2/3 to see what the factor is.
.. (7 1/3)/(3 2/3) = (22/3)/(11/3) = 22/11 = 2 . . . . 2 is the factor Earl used.

3. You could see how many times you can subtract 3 2/3 from 7 1/3.
.. 7 1/3 -3 2/3 = (7 -3) +(1/3 -2/3) = 4 -1/3 = 3 2/3 . . . . . subtracting once gives 3 2/3
.. 3 2/3 -3 2/3 = 0 . . . . . . subtracting twice gives 0, so the factor is 2.

4. You could add 3 2/3 to see how many times it takes to get 7 1/3.
.. 3 2/3 +3 2/3 = (3 +3) +(2/3 +2/3) = 6 +4/3 = 7 1/3
We only need to add two values of 3 2/3 to get 7 1/3, so the factor is 2.

___
We have shown methods using multiplication, division, subtraction, addition. Take your pick.
6 0
3 years ago
3a+4-2b<br> 3(6)7-368<br> (42)+42
sergejj [24]

Answer:

-242

Step-by-step explanation:

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8 0
3 years ago
What is the solution set to the inequality 5(x – 2)(x + 4) &gt; 0
Fittoniya [83]
<span>5(x – 2)(x + 4) > 0
  (5x-10)(x+4)>0
   6x -6  > 0 
        +6  +6
       6x >
</span>x<-4 or x>2
7 0
3 years ago
Help help help help help help help help help help
AysviL [449]

Answer:

1/4

GO GOOD LUCK

Step-by-step explanation:

U doing IXL? LOL

make me brainliest please

7 0
2 years ago
Read 2 more answers
Find the surface area of the rectangular prism ​
Mars2501 [29]
6 for the two bases = 12
6 x 2 = 12 for the 4 faces = 48
48+12 = 60 cm^2
7 0
2 years ago
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