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Sedaia [141]
3 years ago
9

חן

Mathematics
1 answer:
N76 [4]3 years ago
8 0

Answer:

Step-by-step explanation:

This is a fascinating question. It turns out to be true because of the relationship between a 30 degree angle and a 60 degree angle

The answer is that the product of sin30*sin60 = cos(30)*cos(60). This happens because sin(60) = cos(90-60) = cos(30)

Other angles will do the same thing sin36 * sin54 = cos(54)*cos(36)

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PLEASE HELP!!!!!!!!!!!
scoundrel [369]

Answer:

the triangle is translated 2 units up, and is reflected across the x axis

Step-by-step explanation:

6 0
3 years ago
Can some one help me graph y=4x + 5 I keep doing something wrong.
Delvig [45]

Answer:

y = - 3x + 4

Step-by-step explanation:

Line is passing through the points (1, 1) & (0, 4)

Slope of line = (4-1)/(0-1) = 3/(-1) = - 3

Equation of line

y = mx + b

Here m = - 3, b = 4

y = - 3x + 4

Using point (1, 1)

y - 1= - 3(x - 1)

y = - 3x +3 +1

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6 0
3 years ago
Calculate 51degree 29munites+32degree 46munites
xxMikexx [17]

51° 29' + 32° 46' = (51+32)° (29+46)'

= 83° 75' . . . . . there are 60' in 1°, so 75' = 1° + 15'

= 84° 15'

6 0
3 years ago
A relay race is 1/10 kilometer long. Four athletes will run an equal distance to complete the relay. How far does each athlete r
Over [174]
25 metres. Because 1/10th of a kilometre is a 100 metres. And four athletes divided by 100 metres is 25 metres.
8 0
3 years ago
Read 2 more answers
The first 3 terms of<br> n+5 <br>3n -1​
postnew [5]

Answer:

3n^2+7n-5

Step-by-step explanation:

Distribute n to 3n and -1

Distribute 5 to 3n and -1

then you have 3n^2-n+8n-5

Use the like terms principle to get

3n^2+7n-5

4 0
3 years ago
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