3 years ago

In a class of 36,19 read bioogy,16 read chemistry and 5 were not allowed to read both subjects

Mathematics

1 answer:

lara31 [8.8K]3 years ago

3 0

Answer:

not hjyftyi uit yfiu hyr k

Step-by-step explanation:

sorry just i need some points

its urgent

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Answer:

9 in.?

Step-by-step explanation:

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noname [10]

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The surface area of Earth is about 196.9 million square miles. The land area is about 57.5 million square miles and the rest is

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3 years ago

What is 13/100 in simplest form?

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Make x the subject of the formula. <img src="https://tex.z-dn.net/?f=r%20%2B%20%5Csqrt%7Bx%7D%20%20%3D%209" id="TexFormula1"

Solnce55 [7]

Hi there! Given the equation below.

$\large{r + \sqrt{x} = 9}$

First is to subtract both sides by r-term to isolate x-term.

$\large{r + \sqrt{x} - r = 9 - r} \\ \large{ \sqrt{x} = 9 - r}$

Because the x-term is in square root form. We have to square both sides to get rid of the square root.

$\large{( \sqrt{x})^{2} = {(9 - r)}^{2} } \\ \large{x = {(9 - r)}^{2} }$

Alternative Solution

$\large{x = {r}^{2} - 18r + 81}$

Answer

x = (9-r)²
x = r²-18r+81

Both answers work. Any questions about this can be asked through comment.

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3 years ago

In a class of 36,19 read bioogy,16 read chemistry and 5 were not allowed to read both subjects​

In a class of 36,19 read bioogy,16 read chemistry and 5 were not allowed to read both subjects