PLEASE HELP! 80 POINTS AND BRAINLIEST TO FIRST ANSWER! A rectangular pen is constructed with 300m of fencing against a barn wall. What dimensions give the maximum area?

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Answer 1

Answer: I want to say a 100m on each side.

since it’s against a barn wall, then there would be three sides left. But I could be wrong. ¯\_(ツ)_/¯

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Danna says that even numbers are the composite is she right

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Answer:

all even numbers except 2 are composite numbers !

Step-by-step explanation:

no need for explanation

Convert 879/112 to whole or mixed number

Answers

$\sf{ (879)/(112) =?}$

$\sf{ 112 * 7 = 784}$

$\sf{ 879 -784= 95}$

$\sf{ (879)/(112) = (784+95)/(112) = (784)/(112) + (95)/(112) = 7 + (95)/(112) = 7 (95)/(112)}$

$\sf(879)/(112) = \boxed{7 (95)/(112)}$

I don't know what you mean by "or" but I will do either one of them

879/112 to mixed number =

879 ÷ 112

= 7 R95

= 7 95/112

The denominator remains the same, the numerator is the remainder. While 7 is the whole number! :D

a lab technician mixed a 690 ml solution of water and alcohol, if 3% of the solution is alcohol, how many milliliters of alcohol were used and how many milliliters of water were used?

Answers

To get the milliliters of alcohol used, we must multiply 690 by 0.03. If we do this, we will get 20.70, which means that 20.70 milliliters of alcohol were used. On the other hand, we can get the milliliters of water used through two ways: the first one is by simply subtracting 20.70 from 690, which will give us the answer 669.30. Another would be by multiplying 690 by 0.97, which will also yield the answer 669.30. The number of milliliters of water used was 669.30.

Help me please
Express the number 0.307 x 10-Pin
scientific notation.

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the answer is in the picture

Can you help me with these please

Answers

Hello

1)
$(2x(x-3))/((x-1)(x+1))*(x(x-1))/((x-3))*(3(x+1))/(1)$
$=(6x(x+1))/(x+1)=6x$

2)
$(2(x-1)-(x+1)-(x+2))/((x-1)(x+1)(x+2))=(-5)/((x-1)(x+1)(x+2))$

To the nearest whole degree, what angle measure has a cosine of 0.5445?

Answers

cosx = 0.5445
arccos(x) = 0.5445
x = 0.995

Answer:

Step-by-step explanation:

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