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3 years ago

What type of number is ?

Mathematics

1 answer:

loris [4]3 years ago

6 0

Answer:

Irrational Number

Step-by-step explanation:

Mark as brainliest if correct

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Solve each system of equation algebraically y=x+2 y=-3x

algol [13]

Try this solution:
$\left \{ {{y=x+2} \atop {y=-3x}} \right. \ =\ \textgreater \ \ \left \{ {{-3x=x+2} \atop {y=x+2}} \right. \ =\ \textgreater \ \ \left \{ {{y=2- \frac{1}{2}} \atop {x=- \frac{1}{2}}} \right. \ =\ \textgreater \ \ \left \{ {{y= \frac{3}{2}} \atop {x=- \frac{1}{2}}} \right.$

4 0

3 years ago

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Which two values of x are roots of the polynomial below? x2 - 11x + 13

swat32

Answer-

The values of x, which are the roots of the polynomial are

$\dfrac{11+ \sqrt{69}}{2},\ \dfrac{11- \sqrt{69}}{2}$

Solution-

The given polynomial,

$=x^2 - 11x + 13$

We know that,

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here,

a = 1, b = -11, c = 13

Putting the values,

$x=\dfrac{-(-11)\pm \sqrt{(-11)^2-4\times 1\times 13}}{2\times 1}$

$=\dfrac{11\pm \sqrt{121-52}}{2}$

$=\dfrac{11\pm \sqrt{69}}{2}$

$\therefore x=\dfrac{11+ \sqrt{69}}{2},\ \dfrac{11- \sqrt{69}}{2}$

6 0

3 years ago

SANDRA BIKED 800 METERS IN FRIDAY. ON SATURDAY, SHE BIKED 3 KILOMETERS. ON SUNDAY, SHE BIKED 2 KILOMETERS, 500 METERS. HOW MANY

stellarik [79]

Answer:

1000 meters is 1 kilometer so...

At total he biked 6 kilometers, 200 meters

4 0

4 years ago

The length of a side of a square field is 48m.Find the cost of ploughing the field at the rate of rs 25/m and cost of fencing th

brilliants [131]

Answer: rs 4800, rs 3456

Step-by-step explanation:j

given data:

length of a sid = 48m

cost of ploughing the field = rs 25/m

cost of fencing the field = rs 18/m

solution:

we know a square has four equal sides. so total length of the field is

= m ( 48 + 48 +48 + 48 )

= 192m

cost of ploughing the field

= 192m * rs 25

= rs 4800

cos of fencing the field

= 192m * rs 18

= rs 3456

8 0

3 years ago

How many solutions does this system of equations have?

victus00 [196]

Infinitely many because if you take the top equation and multiply it by 2 you get the same equation. That means that any number you plug in for x is a solution

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1 year ago

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