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miskamm [114]
3 years ago
11

My little brother needs help with this:

Mathematics
1 answer:
hjlf3 years ago
7 0
It can be done so in simple daily calculations such as calculating how much money you'll have after after you spend some.

<span>$100- $52= $48

and if you switch it into an addition problem you will get

$100+(-52)= $48,


Or you can get  $48 + $52 = $100</span>

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What is the area of △ABC?
kirza4 [7]
Answer:
Area = 492.4 m²

Explanation:
The area of the triangle can be calculated using the side-angle-side method as follows:
Area = 0.5 * first side * second side * sin(angle included between these two sides)

This rule is illustrated in the attached image.

Now, we have:
AB = 40 m
BC = 25 m
angle B which is the angle included between AB and BC = 80 degrees

The given angle is included between the two given sides, therefore, we can apply the above rule to get the area.
Area of triangle = 0.5*40*25*sin(80)
Area of triangle = 492.4 m²

Hope this helps :)

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In 2010, the average cost of electricity was 11.54 cents per kilowatt hour. In 2014, the average cost of electricity
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2 years ago
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Adrian earns $3600 per month. he spends 1/4 of his income on rent, 2/5 on food, 1/9 on activities, and he saves the rest. how mu
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he saves $860 per month

calculate each of his outgoings

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