3 years ago

Which is the more reasonable temperature for a snowy day: 30° C or 30° F?

Mathematics

2 answers:

andrew-mc [135]3 years ago

6 0

The more reasonable temperature is 30°F

melisa1 [442]3 years ago

4 0

Answer:

30° F

Step-by-step explanation:

30° F is the more reasonable temperature for a snowy day.

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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:

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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

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$DH=x\sqrt{3}$

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2 years ago

Kalya walks 3 7/10 miles each day what is the total of miles she walks 31 days

Mazyrski [523]

Answer:

114.7

Step-by-step explanation:

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3 years ago

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