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givi [52]
3 years ago
13

BEST ANSWER GETS BRANLIEST AND 100 POINTS Simplify (√3+√48)(√2−√5).

Mathematics
2 answers:
Nadya [2.5K]3 years ago
7 0

Answer:

5\sqrt{6}-5\sqrt{15}

Step-by-step explanation:

(\sqrt{3} )(\sqrt{2} )+(\sqrt{48} )(\sqrt{2} )-(\sqrt{3} )(\sqrt{5} )-(\sqrt{48} )(\sqrt{5} )

\sqrt{6}+\sqrt{2*3*2*2*2*2}  -\sqrt{15}-\sqrt{2*3*2*2*2*5}

\sqrt{6}+4\sqrt{3*2} -\sqrt{15} -4\sqrt{3*5}

\sqrt{6}+4\sqrt{6} -\sqrt{15} -4\sqrt{15}

5\sqrt{6} -5\sqrt{15}

UNO [17]3 years ago
7 0

OOOOIIIIIII its 5/6- 5/6

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What is −809 in radians? I tried -809pi/180 but it was marked incorrect
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What is the solution of the linear-quadratic system of equations? { y = x 2 + 5 x − 3 y − x = 2
svp [43]

The two solutions for the system of equations:

y = x^2+ 5x - 3

y - x = 2

Are:

(-5, -7) and (1, -1)

<h3>How to solve the system of equations?</h3>

Here we have the following system of equations:

y = x^2+ 5x - 3

y - x = 2

We can replace the first equation into the second one to get:

(x^2+ 5x - 3) - x = 2

x^2 + 4x - 3 = 2

x^2 + 4x - 3 - 2 = 0

x^2 + 4x - 5  = 0

Using the quadratic formula, we will get the solutions:

x = \frac{-4 \pm \sqrt{4^2 - 4*1*-5} }{2} \\\\x = \frac{-4 \pm 6}{2}

The two solutions are:

x = (-4 - 6)/2 = -5

x = (-4 + 6)/2 = 1

To find the values of y, we can evaluate the linear equation:

when x = -5

y - (-5) = -2

y + 5 = -2

y = -2 - 5 = -7

So one solution is (-5, -7)

when x = 1

y - 1 = -2

y = -2 + 1 = -1

The other solution is (1, -1)

Learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

5 0
1 year ago
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