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3 years ago

Which is the best estimate for the liquid volume of a small carton of milk?

Mathematics

1 answer:

Scilla [17]3 years ago

7 0

Answer:

250 milliliters

Step-by-step explanation:

Volume of a small carton is approximately one full glass

12 ml and 2 ml are too little for a small carton

1250 ml is too big

Best estimate is 250 ml

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Step-by-step explanation:

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3 years ago

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18+2(4-1) equation please help!

77julia77 [94]

Answer:

18+2(4−1)

=18+(2)(3)

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3 years ago

Find the length of the height of the right trapezoid shown below, if it has the greatest possible area and its perimeter is equa

Artyom0805 [142]

Answer:

The height of the right trapezoid is $\frac{6}{5+\sqrt{3}}\ units$

Step-by-step explanation:

Let

x ----> the height of the right trapezoid in units

we know that

The perimeter of the figure is equal to

$P=AB+BC+CD+DH+HA$

we have

$P=6\ units$

$AB=BC=CH=HA=x$ ---> because is a square

substitute

$6=x+x+CD+DH+x$

$6=3x+CD+DH$ -----> equation A

<em>In the right triangle CDH</em>

$sin(30\°)=\frac{CH}{CD}$

$sin(30\°)=\frac{1}{2}$

Remember that $CH=x$

$\frac{1}{2}=\frac{x}{CD}$

$CD=2x$

$tan(30\°)=\frac{CH}{DH}$

$tan(30\°)=\frac{\sqrt{3}}{3}$

$\frac{\sqrt{3}}{3}=\frac{x}{DH}$

$DH=x\sqrt{3}$

substitute the values in the equation A

$6=3x+CD+DH$ -----> equation A

$CD=2x$

$DH=x\sqrt{3}$

$6=3x+2x+x\sqrt{3}$

$6=5x+x\sqrt{3}$

$6=x[5+\sqrt{3}]$

$x=\frac{6}{5+\sqrt{3}}\ units$

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3 years ago

A pool can be filled bye one pipe in 10 hours and by a second pipe in 15 hours. How long will it take using both pipes to fill t

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Answer:

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Step-by-step explanation: add 10 and 15

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3 years ago

Mary invests £12,000 in a savings account <br> the account pays 1.5% compound interest per year

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Answer:

244.0476

Step-by-step explanation:

1.5/100 is 0.015 and time 16,269.84 United States Dollar is 244.0476

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2 years ago