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Anni [7]
2 years ago
10

How to solve problems with positive and negative numbers​

Mathematics
1 answer:
Fittoniya [83]2 years ago
3 0

Answer:

Step-by-step explanation:

When the signs of the two numbers are the same, the answer will be positive.

When the signs of the two numbers are different, the answer will be negative.

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I really need help on this:3 2/4+ 2 3/4+ 2 3/4+ 2 1/4+ 1 1/4+ 1
labwork [276]

Answer:

15

Step-by-step explanation:

3 2/4+ 2 3/4+ 2 3/4+ 2 1/4+ 1 1/4+ 1

first add the whole numbers so 3+2+2+2+1+2=12

then we are left with the fractions. 11/4 divides into 2 with a remainder of three so we add it to the top.

From here we have 2/4+3/4+3/4+1/4+3/4

add them together and we get 12/4=3. Then add back our whole numbes to get 12+3=15

7 0
2 years ago
To make 100g of jam you need 41g of strawberries, 29g of blackberries and the rest should be sugar. What is the ratio of blackbe
vladimir2022 [97]

Answer:

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Step-by-step explanation:

First, we need to calculate the mass of sugar in the mix

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3 0
3 years ago
2 45 is a common multiple of 5 and 9 true or false
Strike441 [17]

Answer:

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Step-by-step explanation:

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2 years ago
Choose the best definition for the following phrase: combining like terms (1 point)
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= 7x + 5x^3 + 14x^6

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3 years ago
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