Simplify the equation by combining

Mathematics

2 answers:

Veronika [31]2 years ago

6 0

Answer:

Step-by-step explanation:

5y + 3 + 2y - 7

=7y - 4

EleoNora [17]2 years ago

3 0

Answer:

7y -4

Step-by-step explanation:

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

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Factor: 2x^2+ 5x-3=0

egoroff_w [7]

Answer:

x=1/2or x=−3

Step-by-step explanation:

5 0

3 years ago

A six-sided die is rolled two times. What is the theoretical fractional probability that the first number is even and the second

Nostrana [21]

Answer:

The theoretical probability that the first number is even and the second number is odd is $\frac{1}{4}$ .

Step-by-step explanation:

Since each dice has six sides, and there are two die, the total amount of different outcomes are $6^2$ or 36. The probability of getting an even number on the first roll is $\frac{3}{6}$ or $\frac{1}{2}$ , and the probability of getting an odd number on the second roll is also $\frac{3}{6}$ or $\frac{1}{2}$ , so the probability of getting an even number on the first roll and an odd number on the second roll is $\frac{1}{2} * \frac{1}{2} = \frac{1}{4}$ .