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serg [7]
3 years ago
12

Evaluate (-4 + -3) – (2 – 7)

Mathematics
2 answers:
Tanya [424]3 years ago
5 0

Answer: -2

Step-by-step explanation:

(-4+-3) -(2-7)

-7 - -5

-7+5= -2

Olenka [21]3 years ago
4 0

Answer:

Step-by-step explanation:

(-4)  & (-3) have same sign ( -ve) . So add and put the (-) sign for the result.

2 is a positive number and (-7) is a negative number. Subtract and put the sign of the bigger number for the result.

(-4 + (-3) ) - (2 - 7) = -7 - (-5)

                           = - 7 + 5

                            = -2

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If one cubic foot of water weighs 62 1/2 pounds how much do 3 1/5 cubic feet of water weighs?
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Answer:

3 1/5 cubic feet of water weighs 200 pounds

Step-by-step explanation:

1. Take 62 1/2 into decimal form: 62 1/2 = 62.5

2. Take 3 1/5 into decimal form: 3 1/5 = 3.2

3. Multiple 62.5 by 3.2: 62.5 x 3.2 = 200

The answer is 200 pounds.

5 0
3 years ago
A student spends the same amount each week for bus fare in 5 weeks he spends 115 which equation shows his relationship let's= nu
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y = $25x


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4 years ago
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