Question

maths find the mean proportional between: (1) 3 and 27​

Answer 1

Answer:

Coronaviruses (CoV) are a large family of viruses that cause illness ranging from the common cold to more severe diseases. A novel coronavirus (nCoV) is a new strain that has not been previously identified in humans

HOPE THIS ANSWER HELP YOU

MAKE MY ANSWER BRAINLIST

Answer 2

$\huge{ \bold{Question:}}$

find the mean proportional between:

(i) 3 and 27

$\huge{ \bold{Answer:}}$

${ \bold{(i) Let \: the \: mean \: proportional \: } }\\ { \bold{between \: 3 \: and \: 27 \: be \: b.}} \\ ∴3:b:: b: 27 \\→ 3 \times 27=b \times b \\ → b^ 2 =81 \\→ b \times b \: = 9 \times 9 \\ →b = 9\\{\bold{Answer: \: The \: mean \: proportional}} \\{\bold{ \:between \:3 \:and \:27 \: is \: 9.}}$

hope it helps you

please mark me as brainliest