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sergeinik [125]
3 years ago
7

PLEASE HELP BRAINLIEST!!!

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0

Answer:

Its cIId; congruent alternate interior angles Just took this test

Step-by-step explanation:

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Which sum or difference identity could be used to prove that sin(π + q) = -sin q
yan [13]

Answer:

we should know that :

sin ( a + b ) = sin a * cos b + sin b cos a

For the given equation :

sin (π + q) = sin π * cos q + sin q * cos π

sin π = zero and cos π = -1

∴ sin (π + q) = 0 * cos q + sin q * (-1) = - sin q

<u>Another solution:</u>

The angle (π + q) lies in the third quarter ⇒ (1)

(π + q) and (-q) are supplementary angles ⇒ (2)

From (1) and (2)

sin(π + q) = -sin q

4 0
3 years ago
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I need you To reply To This question I need numbers 14-17
slava [35]
The area of a circle is:
\pi \times r \times r
"r" being the radius and π being 3.14
14. The diameter is 12. So, to get the radius, we would need to halve it. So, the radius would be 6.
Now we plug in 6 for r and 3.14 for π which makes it
3.14 \times 6 \times 6
which equals 113.04
15. The diameter is 9, so to get the radius we need to halve it to get 4.5
Plug in 4.5 for r and 3.14 for π and we get
3.14 \times 4.5 \times 4.5
which equals 63.585
16. The diameter is 18, so to get the radius we need to halve it to get 9
Plug in 9 for r and 3.14 for π and we get
3.14 \times 9 \times 9
which equals 254.34
17. The diameter is 8, so to get the radius we need to halve it to get 4.
Plug in 4 for r and 3.14 for π and we get

3 0
3 years ago
Brazilian footballer ronaldo scored 247 goals in 343 matches
vovikov84 [41]

Answer: Ferenc

Step-by-step explanation:

512 / 5.28 = 0.97 goals for every match

247 / 3.43 = 0.72 goals for every match

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kow [346]

The function would be y = 0.45x, x being the number of seconds, y being the items he can ring up.

For example (this is an example only to show how this equation works), if we were looking at how many items the cashier can ring in 5 seconds, we would make the equation y = 0.45(5), and with multiplication, we can find that they would ring 2.25 items ( y = 2.25 )

If I misunderstood this question or got something wrong, please leave a comment and I can help further.

8 0
2 years ago
I need help.please nowwwwwwwwwwwwwwwwwwww
Grace [21]

Answer:

whats the shape?

Step-by-step explanation:

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