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Vinvika [58]
2 years ago
11

What is a double angle identity to find the exact value of cos?

Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
8 0

find three consecutive number whose sum shall equal 45

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9/2 divided by 2 = 9/2 x2<br><br> True or false
Mandarinka [93]

Answer:

false

Step-by-step explanation:

the answer would be false

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2 years ago
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I believe  -7 + 91i. i hope this helps

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A school wants to add a new sports team. The school sent out surveys asking for the​ students' favorite sport. Twelve students n
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3 years ago
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What is the gcf of 30x^2 and 66x^5?
pantera1 [17]

Answer:

6x^2

Step-by-step explanation:

Express as product of prime factors.

30x^2=2\times 3\times 5\times x^2

66x^5=2\times 3\times 11\times x^5

The greatest common factor is the product of the least powers of the common factors.

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4 0
3 years ago
T&amp;L - Math 7 - Volume 7.4 -19-20
Mashcka [7]

Answer: You would need 512 cubic centimetres

Step-by-step explanation: The first approach to this question would be to understand the properties of the shape given in the question.

If a cube has an edge with length 8 cm, then all edges measure 8 cm as well. That is one property of a cube. Hence, the length, width and height all measure 8 cm each.

The volume of a cube is given as follows;

V = L x W x H (and the answer is expressed as V³)

Since the length , width and height all measure 8 cm, the volume can simply be expressed as

V = L x L x L

V = L³

V = 8³

V = 512 cm³

Therefore to completely fill a cube with edge length of 8 cm you would need 512 cubic centimetres.

5 0
3 years ago
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