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3 years ago

Solve the formula F=9/5C+32 for degrees Celcuis C. show all your steps

Mathematics

1 answer:

borishaifa [10]3 years ago

6 0

Start with your given equation - F=9/5C+32

Subtract 32 from both sides - F-32=(9/5) degrees C

Multiply both sides by 5 - 5(F-32)=9C

Divide both sides by 9 to isolate C - (5/9)(F-32)=C

Answer - C=(5/9)(F-32)

<em>I AM NOOO MATH EXPERT, BUT THAT IS WHAT I GOT... HOPE THIS HELPS!</em>

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Ben has 3 times as many guppies as goldfish. If she has a total of 20 fish how many guppies does she have

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3 years ago

Explain how you can determine the annual percent increase when looking at an exponential function for a city population . Answer

Andru [333]

Answer:

The annual increase in the percentage of a pollution can be determined by some mathematical calculation.

Step-by-step explanation:

In order to determine the annual percentage increase over one year for a city population, we must do the following,
First we must subtract starting value that is the initial population of the city at the starting of the year from the final value that is the final population of the city at the end of the year.
Now divide the whole by the starting value.
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4 years ago

A cube has a side of 5 cm. it has a mass of 250 grams. the density of the cube is

Marrrta [24]

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3 years ago

Can i get help? Don’t really understand.

Rufina [12.5K]

First option: correct. This is because angles WOX and XOZ are supplementary, so

$m\angle WOX=180^\circ-104^\circ=76^\circ$

Second option: correct. By the inscribed angles theorem, we have

$m\angle XWZ=m\angle XYZ=\dfrac{113^\circ}2=56.5^\circ$

Angles WOX and YOZ are congruent because they form a vertical pair; they both have measure 76 degrees. This means angles WXY and WZY are also congruent, since the interior angles of any triangle sum to 180 degrees in measure. Therefore triangles WXO and YZO form a side-side-side pair, and all SSS triangles are similar.

Third option: not correct. There is a theorem (not sure what the name is) regarding intersecting chords that asserts the average of the measures of arcs WY and XZ is the same as the measure of angle XOZ. This means

$\dfrac{m\widehat{WY}+113^\circ}2=104^\circ\implies m\widehat{WY}=95^\circ$

Fourth option: not correct. This is because arcs WX and XZ are not "supplementary" in the sense that they do not form a semicircle and their measures do not add to 180 degrees. We know this because it's clear that point O is not the center of the circle. If it was, then angle XOZ would be a central angle and its measure would be the same as the arc XZ it subtends.

Fifth option: correct. The theorem mentioned in the assessment of the third option makes itself useful here. We have

$\dfrac{m\widehat{WX}+m\widehat{YZ}}2=m\angle WOX\implies m\widehat{WX}+m\widehat{YZ}=2\cdot76^\circ=152^\circ$

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3 years ago