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boyakko [2]
3 years ago
15

Solve this problem (-25) +(-12)+(-34)=show me the steps

Mathematics
2 answers:
Lostsunrise [7]3 years ago
7 0

Answer:

(-25)+(-12)+(-34) = -71

so when you add negative numbers you simply add them such as -2+-2 -4

so same conditions

so it will be -25+-12+-34 and it will simply be 25+12+34 so -71

harkovskaia [24]3 years ago
5 0
So basically they are all negatives... positive and negative make negative you add them and put a negative in front.... -25-12-34 add them -37-34 = -71
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3 years ago
The value of y varies directly with x. If x =3, then y=21. What is the value of x when y=105?
Goshia [24]

Answer:

x = 15

Step-by-step explanation:

given that y varies directly with x

mathematically we can express this as

y = k x , where k is a constant

step 1: find k

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3 years ago
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Galina-37 [17]

<u>Answer:</u>

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First, write an equation to represent the total cost to wash cars:

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Then, write another for trucks:

$8y = cost for trucks

If the question is saying that they will wash at least 26 cars and 15 trucks, that means they could wash more. This means that we'll need an inequality:

This inequality represents that the total number of cars and trucks they wash will be at least—which means that it is equal to or greater than—than the amount given:

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5x + 8y ≥ 250

Now you have your system of equations:

x + y ≥ 26 + 15

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3 years ago
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