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EleoNora [17]
3 years ago
8

How do you find the area of a triangle ??

Mathematics
2 answers:
Lyrx [107]3 years ago
7 0
You have the area of a triangle by this formula;

A = 1/2 × base × height.

and you just plug in which numbers are the base and height to find the area of it.

hope this helps, God bless!
satela [25.4K]3 years ago
5 0
Add up all the sides
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A grocer sells 30 loaves of bread a day. The cost is $2.50 per loaf. The grocer estimates that for each $0.50 increase in cost,
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Answer:

none of the above

Step-by-step explanation:

The grocer's revenue will be the product of the number of loaves sold (30-2x) and their price (2.50+0.50x).

Revenue will be positive for values of x between those that make these factors be zero. The number of loaves sold will be zero when ...

... 30 -2x = 0

... 15 -x = 0 . . . . . divide by 2

... x = 15 . . . . . . . add x

The price of each loaf will be zero when ...

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... 5 + x = 0 . . . . . . . multiply by 2

... x = -5 . . . . . . . . . . subtract 5

Revenue will be positive for any number of increases greater than -5 and less than 15.

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sergiy2304 [10]

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<span>x=3y-8
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We are told that:
</span>x=3y-8

So replace x in 3x-4y=-9 with x=3y-8 like so: 
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Start by distributing the 3: 
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Now that you know y=3 plug it into: 
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