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Hunter-Best [27]
3 years ago
13

Add. −0.9+2.0 Enter your answer, as a decimal, in the box.

Mathematics
1 answer:
Sveta_85 [38]3 years ago
6 0

Answer:

19.1

Step-by-step explanation:

-0.9+20 = 19.1

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Gemiola [76]

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What question?

Step-by-step explanation:

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3 years ago
Solve this system of equations
olga_2 [115]

Answer:

D) x = 4, y = -2, z = 3

Step-by-step explanation:

x = 3z − 5

2x + 2z = y + 16

2(3z - 5) + 2z = y + 16

6z - 10 + 2z = y + 16

8z = y + 26 ---> (A)

7x − 5z = 3y + 19

7(3z - 5) - 5z = 3y + 19

21z - 35 - 5z = 3y + 19

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3 years ago
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EleoNora [17]
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7 0
3 years ago
Read 2 more answers
If 30% of John's photographs were perfect, but 210 photographs were not perfect, then how many photographs were there in all?
anyanavicka [17]
If 30% were perfect, 70% were not perfect.  So we know that 70% of the total number of photographs is 210.

p(70/100)=210  multiply both sides by 100

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So there are 300 photographs in all.
3 0
3 years ago
Largest Possible GCF (Greatest Common Factor)
Ipatiy [6.2K]

Answer:

<h2>96 and 48</h2>

Step-by-step explanation:

To solve this problem we have to find the largest possible greatest common factor, which is 48.

Now, numbers 96 and 48 have as Greatest Common Factor 48, that's the largest number possible that is common to both numbers because

48/48 = 1

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Therefore, the answer is 96 and 48, because they don't have repetitive digits.

5 0
2 years ago
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