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agasfer [191]
3 years ago
7

Study the Proof Given.

Mathematics
1 answer:
saul85 [17]3 years ago
7 0
2: Midpoint of segment AC is given as B3: Given4: Knowing that AC~=BC, AC~= DE
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Establish the identity.<br> (2 cos 0-6 sin 0)² + (6 cos 0+2 sin 0)2 = 40
kogti [31]

Rewriting the left-hand side as follows,

(2\cos\theta-6\sin \theta)^2 +(6\cos \theta+2\sin \theta)^2\\\\=4\cos^2 \theta-24\cos \theta \sin \theta+36 \sin^2 \theta+36 \cos^2 \theta+24 \cos \theta \sin \theta+4 \sin^2 \theta\\\\=40\cos^2 \theta+40 \sin^2 \theta\\\\=40(\cos^2 \theta+\sin^2 \theta)\\\\=40

8 0
2 years ago
If g(x) = 4√x-8 , which statement is true?
Mariana [72]
We have the following function:

g(x)=4\sqrt{x}-8

So if we graph this function we will get the Figure below. Thus, let's study both the equation and the graph to get some conclusions. Therefore, we can assure these statements:

First. The function is defined only for x\geq 0 as shown in the Figure. This is also true because of \sqrt{x} where x must be greater (or equal) than zero.

Second. The range of the function are the values of y\geq -8.

Third. If x creases then y always creases, too. 

4 0
4 years ago
Read 2 more answers
Is 5/8 more than 11/20
alexdok [17]
5/8 is more than 11/20

If we find the lower common multiple of the denominators which is 160 then we can multiply the top numerators by the opposite denominators

5x20=100
11x8=88

We now have
\frac{100}{160}  and  \frac{88}{160}

The one on the left is simplified to 5/8 and the right is simplified to 11/20

5 0
3 years ago
Read 2 more answers
1. Use the words below to complete the
lapo4ka [179]

Answer:

The dividend (3) is divided by the diviser (15) to create a quotient of 5.

4 0
2 years ago
What does it mean if u have a number in front of a square root?
netineya [11]
That means it's a surd
5 0
3 years ago
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