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Elza [17]
3 years ago
11

If {X)= x-9 and d(x) = x + 3, what is the domain of (cd)(x)?​

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
5 0

Answer:

i wish i knew

Step-by-step explanation:

i wanted to type

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Answer:

The Area of Δ ABC = 219.13

Step-by-step explanation:

<em>The hard part about this problem is finding the area without the height</em>

The formula to do this is Area = \sqrt{S(S-A)(S-B)(S-C)}

A, B, C represent the sides

S represents \frac{1}{2} (A + B + C)

In this equation, we will make the base be A, and the other two sides will be B and C

<u>Sides B and C are the same length</u> because they meet at a 90° angle

Lets plug the numbers into the variables

A = 28

B= 21

C= 21

<u>Remember:</u> S represents  \frac{1}{2}  (A + B + C)

S =  \frac{1}{2} (28 + 21 + 21)

S =  \frac{1}{2} (70)

S = 35

<em>Lets plug the numbers into the Area Formula now!</em>

Area = \sqrt{35(35 - 28)(35 - 21)(35 - 21)}

According to the order of operations, we need to do the calculations in parentheses <u>first</u>

35 - 28 = 7

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35 - 21 = 14

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1372 x 35 = 48020

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A cube has edges that are 3 inches in length. How many of these cubes will it take to completely fill a larger cube that has an
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