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babunello [35]
3 years ago
8

Y=1x+2 y=3x-4 use substtiution

Mathematics
2 answers:
postnew [5]3 years ago
7 0

Answer:

3Y - 4X - 4

Step-by-step explanation:

Brums [2.3K]3 years ago
3 0
The answer is X=2 and Y=-4

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On a flight from New York to London, an airplane travels at a constant speed. An equation relating the distance traveled in mile
Anettt [7]

Answer:

Step-by-step explanation:

The question is incomplete. Here is the complete question

On a flight New York to London an airplane travels at a constant speed. An equation relating the distance traveled in miles d to the number of hours flying t is t= 1/500d. How long will it take the airplane to travel 800 miles?

Speed is the change in distance if a body with respect to time. It is expressed mathematically according to the question as t = 1/500 × d

To determine the time it will take to travel 800miles, we will substitute d = 800 into the modeled equation.

t = 1/500 × 800

t = 800/500

t = 8/5

t = 1.6

6 0
3 years ago
Do 1.7 and 1.700 have the same value? In a full sentence l, explain your answer why or why not
lana [24]

Answer: Yes ,because it isn't the same the number since the number of digits aren't the same so you make it the same number of digits by putting 0 in the back so 1.7 turns to 1.700 to make it the same digits of 1.700.

Step-by-step explanation:

6 0
3 years ago
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Which expression is equivalent to 4x + 3 - 2x + 5.
My name is Ann [436]

2x+8 is equivalent to 4x+3-2x+5

Step-by-step explanation:

4x+3-2x+5

4x+2x+3+5

2x+8

7 0
3 years ago
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A store pays $10 for a blanket, and the markup is 115%. A customer will also pay a 5 1/2% sales tax. What will be the total cost
Naddik [55]
Firstly, we need to find the price of the blanket/bracelet after the 115% increase.
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Now for the 5.5% sales tax, which is applied the the new value of $15.20
     $15.20 x 0.055 = 0.83
     $15.20 + $0.83 = $16.03

The final cost for the blanket/bracelet is %16.03
8 0
3 years ago
a six sided number cube has faces with the numbers 1 through 6 marked on them. what is the probability that a number less than 3
Charra [1.4K]
1/3 would be the answer
8 0
2 years ago
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