4 years ago

What type of real numbers are these.

Mathematics

1 answer:

Paha777 [63]4 years ago

5 0

They are all integers

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Solve this system of equations by using the elimination method -3x+y=6 -3x+y=12

xxMikexx [17]

Answer:

None

Step-by-step explanation:

We can eliminate the x's by add the 2 equations :

2y = 18

Divide both sides by 2 :

y = 9

Substitute this value into equation 1 to solve for x :

-3x + (9) = 6

Subtract 9 from both sides :

-3x = -3

Divide both sides by -3 :

x = 1

Substitute these values into equation 2 to check :

-3(1) + 6 = 12 ❌❌

So it has no solution

5 0

2 years ago

The Science Club went on a two-day field trip. The first day the members paid $60 for transportation plus $13 per ticket to the

Bingel [31]

60+13n+95+10n

can be summarised to 155+23n

4 0

3 years ago

Y=4/3x-2 in standard form

denpristay [2]

Y=4/3x-2 is standard form.

y=mx+b

4/3=m

-2=b

8 0

3 years ago

Read 2 more answers

I need help w special right triangles

mr Goodwill [35]

Answer:

14 rt2 * rt3= 28 rt3

Step-by-step explanation:

6 0

3 years ago

A random variable x is uniformly distributed over the interval (-4, 6). Find the standard deviation of x. (Note: Uniform distrib

Pachacha [2.7K]

Answer:

The standard deviation of x is 2.8867

Step-by-step explanation:

The standard deviation of variable x that follows a uniform distribution is calculated as:

$s = \sqrt{\frac{(b-a)^{2} }{12} }$

Where (a,b) is the interval where x is defined.

So, replacing a by -4 and b by 6, the standard deviation is:

$s = \sqrt{\frac{(6-(-4))^{2} }{12} }$

$s = \sqrt{\frac{(10)^{2} }{12} }$

$s=\sqrt{\frac{100}{12} }$

$s=\sqrt{8.3333}$

$s=2.8867$

3 0

4 years ago