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3 years ago

What is the following sum in simplest form √8 + 3√2 + √32

Mathematics

1 answer:

boyakko [2]3 years ago

7 0

C.
√8+3√2+√32＝2√2+3√2+4√2＝9√2

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Pleaseeeeeeeeeeee

Karo-lina-s [1.5K]

$\text{The scientific notation:}\\\\a\times10^n\\\\1\leq a$

$a.\\(5\times10^3)\times(3.5\times10^{-1})=(5\times3.5)\times(10^3\times10^{-1})\\\\=15.75\times10^{3+(-1)}=15.75\times10^2=1.575\times10\times10^2\\\\=1.575\times10^{1+2}=\boxed{1.575\times10^3}$

$b.\\(8\times10^2)\div(4\times10^3)=(8\div4)\times(10^2\div10^3)=2\times10^{2-3}\\\\=\boxed{2\times10^{-1}}$

$c.\\(6\times10^{-3})^2=6^2\times(10^{-3})^2=36\times10^{-3\cdot2}=36\times10^{-6}=3.6\times10\times10^{-6}\\\\=3.6\times10^{1+(-6)}=\boxed{3.6\times10^{-5}}$

$Used:\\\\a^n\times a^m=a^{n+m}\\\\a^n\div a^m=a^{n-m}\\\\(a^n)^m=a^{n\cdot m}$

5 0

3 years ago

Simplify Rewrite the expression in the form 5 ^ n. (5/10)/(5/12) =

Amiraneli [1.4K]

Answer:

$5^{-2}$

Step-by-step explanation:

$5^{(10-12)}$

5 0

3 years ago

What is the value of x in the equation 4x+8y=40 when y = 0.8

fgiga [73]

When y=0.8

4x +8(0.8) =40

-> 4x +6.4 =40

-> 4x = 33.4

-> x=33.4/4

-> x=8.35

Hope it helps...

Regards;

Leukonov/Olegion.

8 0

3 years ago

It has been reported that men are more likely than women to participate in online auctions. In a recent survey, 65% of responde

vivado [14]

Answer:

0.84 or 84%

Step-by-step explanation:

Let 'n' be number of people who took the survey, the number of men who answered the survey is 0.45n. The number of men who answered the survey and have participated in online auctions is 0.38n. Therefore, choosing from the population of men who took the survey (0.45n) the probability that a respondent had participated in an online auction is:

$P =\frac{0.38n}{0.45n}\\P=0.84$

8 0

3 years ago

HELP!!!!!!! I WIL MAKE MARK YOU BRAINLIAST

Finger [1]

Answer:

M is 1.5

Step-by-step explanation:

Use M = 1/O

Replace 1 with a letter such as K

So you use M = K/O

Substitute values

0.5 = K/6

To get K times 0.5 by 6

You get 3

So K=3

Use the equation from the start to find M

M=3/2

M IS 1.5

8 0

3 years ago