Question

square root of 5 ( square root of 15 + 3 square root of 2.

a. 45 square root of 10
b. 9 square root of 10
c. 5 square root of 3 + 15 square root of 10
d. 5 square root of 3+ 3 square root of 10

Answer 1

Is this the original equation?
\[\sqrt{5}(\sqrt{15}+3\sqrt{2})\]

Answer 2

yes.

Answer 3

The distributive property says:
\[a(b+c) = ab + ac\]

Answer 4

More precisely:

\[\sqrt{a}(\sqrt{b} + c \sqrt{d}) = \sqrt{a \times b} + c \sqrt{a \times d}\]

Answer 5

c ?

Answer 6

Replace the letters in water's equation with the numbers in the original equation. What would that be? Don't worry about multiplying it out for now.

Answer 7

No..

Answer 8

See the formula that i have written above you just want to substitute the value there..
a = 5, b = 15, c =3 and d=2..

Answer 9

i got 35.467595040383.

Answer 10

@waterineyes

Answer 11

See, throw away your calculator..
There is no need of it..
tell me when you multiply root(5) and root(15) what will you get?

Answer 12

75 ?

Answer 13

75 in the root or simply 75?

Answer 14

are you asking me what the root of 5 times the root of 15 equals or just 15 times 5 ?

Answer 15

I am asking the first one that is root of 5 multiplied by root of 15?

Answer 16

8.660254037844386

Answer 17

You don't need a calculator for this whatsoever. Even the answer isn't an exact number. Punching it into a calculator will not help you.

Answer 18

so how do i do this ? ughhh ! ): this is not helping me