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prohojiy [21]
3 years ago
5

-5x+2y=9 3x+5x=7 (0, 1) (–1, 2) (1, 7) (–9, 7)

Mathematics
1 answer:
andrew-mc [135]3 years ago
3 0
The answer is (-9,7)

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roll the die twice. what is the probability of rolling a 6 on the 1st roll? an odd number on the 2nd roll?
Crank
The probability of rolling a 6 on the 1st roll is \frac{1}{6}, since there is only 1 out of 6 sides of the dice that has six pips.

The probability of rolling an odd number is \frac{1}{2}, since there are 3 out of 6 sides of the dice that has an odd number of pips. \frac{3}{6} =  \frac{1}{2}

Then the probablity of both events happening one after another is \frac{1}{12}. You have to multiply both probabilities of the events: \frac{1}{6} *  \frac{1}{2} = \frac{1}{12}


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Question 2A car dealership has several options for purchasing a new car which includes 7 colours, 6 interior styles, 4 wheelscov
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6 0
3 years ago
A circle has a radius of 3 cm. How does the circumference A circular piece of glass has a radius of 0.8 meters. The glass sells
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Im not sure on how you went about wording your questions but the answer for 
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</span>
6 0
4 years ago
I don't understand please help
kirill [66]

Answer:2x+30 =90

If the angle is 90° altogether

60=A 30=30

Step-by-step explanation:


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2x=60

÷2. ÷2

x=30

2*30=60

60+30=90

60=A B=30

5 0
3 years ago
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