3 years ago

Which expression is equivalent to 2cos2(x/2)-cos(x)

Mathematics

1 answer:

Pavel [41]3 years ago

3 0

Answer:

Step-by-step explanation:

Edge

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What is the area of this triangle?<br> 8cm<br> 6cm <br> 2cm

Vadim26 [7]

Answer:

6cm square

Step-by-step explanation:

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2 years ago

2^a/2^b = 512 <br> What is a - b?

Anni [7]

Answer:

a - b = 9

steps and explanation:

$\frac{2^a}{2^b} = 512$

$2^{a - b } =512$

$2^{a - b } = 2^9$

$a - b = 9$

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3 years ago

Read 2 more answers

5+8 to the power of -2 x2-

vagabundo [1.1K]

5+8=13
-2x-2 = 4
13 to the fourth power = 13x13x13x13 =28561
28561 is your answer

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4 years ago

Please help me i give 40 points and five more to who say me the answers

densk [106]

Answer:

Step-by-step explanation:

A frequency table can be used to group a raw data. It shows the quantity of each variable in the data.

The required answers to the question can be found in the attachments to this answer.

3 0

3 years ago

This is about a prit stick;

Stells [14]

Surface of the cylinder : 2*(pi*radius^2)+(2*pi*radius*height)=2(pi*1.5^2)+(2*pi*1.5*9)=31.5pi cm^2 ~99 cm^2

Volume : pi*radius^2*height=pi*1.5^2*9=20.25pi~64 cm^3

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4 years ago