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Svetllana [295]
3 years ago
15

Cos^4A - sin^4A = COS2A​

Mathematics
1 answer:
Elenna [48]3 years ago
8 0

Step-by-step explanation:

hope u understand it's just a simple formula

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a bicycle tire is 28 inches in diameter. approximately how far does the bicycle move forward each time the wheel goes around? (u
belka [17]

ANSWER

88 \: inches

EXPLANATION

The given bicycle has a tyre that is 28 inches in diameter.

How far the bicycle moves forward each time the wheel goes around is the circumference of the bicycle tyre.

This is calculated using the formula:

C =\pi \: d

We substitute the diameter and

\pi =  \frac{22}{7}

C =  \frac{22}{7}  \times 28

This simplifies to

C =22 \times 4

88 \: inches

8 0
3 years ago
Read 2 more answers
Help plz will give brainliest if you explain how u got the answer! PLZ!
sasho [114]

Answer:

2x-y=4

Step-by-step explanation:

y=mx+b

b is the y-intercept which is -4

y=mx-4

find m(slope)

(2,0) and (0,-4)

(-4-0)/(0-2)

-4/-2=2   m=2

y=2x-4

add 4 to both sides

y+4=2x subtract y

4=2x-y

It says write in standard form which looks like this: 3x + 5y = 4

4 0
3 years ago
What is the slope for this line?​
Juli2301 [7.4K]

Answer:

2

Step-by-step explanation:

2/1=2, 8/4=2, 12/6=2

3 0
3 years ago
If two circles have the same circumference what do you know about their area
Usimov [2.4K]
If the circumference is half of the perimeter than the area for both circles would be half of them find one circles area and half it
8 0
3 years ago
What is the lcm of 5,6, and 7
BigorU [14]
The least common multiple (LCM) of 5, 6, and 7 is 210. 

5 × 42 = 210
6 × 35 = 210
7 × 30 = 210
7 0
3 years ago
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