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Shtirlitz [24]
3 years ago
5

What is the solution to the following system of equations?

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Answer:

(3,2)

Step-by-step explanation:

The system is

x + y = 5

x -y = 1

Add the equations to eliminate y

2x = 6----->x=3

Substitute this value in any equation

3+y = 5----->y=2

The solution is (3,2)

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A coin is tossed, and a standard number cube is rolled. What is the probability that the coin shows heads and the number cube sh
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So,

Since this is independent probability, the probability of the event above occurring is:
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First, the probability of landing on heads.
\frac{1}{2}

Now, the probability of rolling an even number.
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Plug it into the equation.
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7 0
3 years ago
Consider the following statement. If r is any rational number and s is any irrational number, then r s is irrational. (a) Which
olganol [36]

Answer:

(a) If r is any rational number and s is any irrational number, then r/s is rational

(b) The statement is false when r is 0

Step-by-step explanation:

Given

r \to rational number

s \to irrational number

\frac{r}{s} \to irrational number

Solving (a): The negation

To get the negation of a statement, we only need to negate the end result

In other words, the number type of r and s will remain the same, but r/s will be negated.

So, the negation is:

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s \to irrational number

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Solving (b): When r/s is irrational is false

Given that:

\frac{r}{s} \to irrational number

Set r to 0

So:

\frac{r}{s} = \frac{0}{s}

\frac{r}{s} = 0 -- rational

<em>Hence, the statement is false when r is 0</em>

8 0
2 years ago
A rectangular plot of land has an area 9/10 square mile.The length is 3/2miles whats the width
Georgia [21]
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6 0
3 years ago
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Answer:

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Step-by-step explanation:

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