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Masteriza [31]
3 years ago
10

What’s the formula for area of a triangle?

Mathematics
2 answers:
Nataly [62]3 years ago
7 0

Answer:

Step-by-step explanation:

The commonest form of this formula is

A = (1/2)(base)(height).

This could also be written as

       (base)(height)

A = -----------------------

                  2

bogdanovich [222]3 years ago
3 0

It's the height of the triangle (the length) times the the width divided by 2.

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At a sale this week, a desk is being sold for $336. This is a 36% discount from the original price.
8090 [49]

Answer:

$525

Step-by-step explanation:

We can find the original price by using the formula x - 0.36x = 336, where x is the original price, 0.36 is the discount percentage (converted to decimal form), and 336 is the total amount paid after the discount is applied:

x-0.36x=336\\0.64x=336\\x=525

To check and further understand why the formula works, we can simply apply the discount to the original price and subtract the number from the original price:

525 * 0.36 = 189

525 - 189 = 336

Modeling the first formula gives us:

525 - (0.36 * 525) = 336

525 - 189 = 336

6 0
1 year ago
What is the value of the square root of 25 + the square root of 16?​
kozerog [31]

Answer:9

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6 0
3 years ago
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F(x)=−x 2−3x+3 find f(7)
lidiya [134]

Answer:

22

Step-by-step explanation:

because i swiched the x's to the 7 and multipled

4 0
2 years ago
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Write as a polynomial. a(a+9b)^2
Alex Ar [27]
Answer: a^3+81ab^2
First, you square (a+9b) which will become (a^2+81b^2)
Then, you multiply it by a and you will get a^3+81ab^2
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-5 (3x – 4) + 4 = 69
sleet_krkn [62]

Answer:

-5

Step-by-step explanation:

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