3 years ago

Please check screenshot

1 answer:

6 0

Answer:

im sorry but whats the question exactly i will try to awnser it

Step-by-step explanation

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Maru [420]

Answer:

the 20 +2

Step-by-step explanation:

5 0

3 years ago

qwelly [4]

The double angle formula for the sine is

$\sin(2x) = 2\sin(x)\cos(x)$

The right hand side is exactly your expression, where $x = 31^\circ$

So, rewriting the expression from right to left, we have

$2\sin(31^\circ)\cos(31^\circ) = \sin(2\cdot 31^\circ) = \sin(61^\circ)$

6 0

3 years ago

podryga [215]

Answer:

20√3 cm

Step-by-step explanation:

Altitude of an equilateral triangle splits it into 2 equal right triangles, it bisects the base and the angle opposite to the base.

Let the altitude be x. Then as per Pythagorean theorem:

Correct choice is the second one

4 0

3 years ago

nata0808 [166]

well i have to see the equation to know

8 0

3 years ago

Dmitry [639]

You can use prime factorization to figure this out.


4 x 14 = 56
4 + (14) = 18

Final answer: 4 and 14

6 0

3 years ago