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rodikova [14]
3 years ago
12

Explain why every year must contain at least one Friday the 13th.

Mathematics
1 answer:
Bond [772]3 years ago
8 0

Step-by-step explanation:

God said "let there be light" The people who made the calendar said "Let there be Friday 13th.

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Determine whether the triangles are similar by aa , ss , or sas ??
max2010maxim [7]

Answer:

1. AA

2. SSS

3. I´m not sure about this one, I´m sorry

4. Not similar

Step-by-step explanation:

This photo can help you identify!! I hope this helps

4 0
3 years ago
Gavin and Ethan are training for a race. Last week,gavin ran 7 kilometers and Ethan ran twice as far as gavin what is the total
Irina18 [472]

Answer:

14 km

Step-by-step explanation:

7x2

6 0
3 years ago
WILL GIVE BRAINLIEST! BUT YOU MUST EXPLAIN<br><br> explain clearly ...
aleksandr82 [10.1K]

Answer:

D

Step-by-step explanation:

Add all numbers then divide by 6 (Add all numbers including 94 then divide by six to get your answer)

5 0
3 years ago
Read 2 more answers
Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer
lyudmila [28]

If

f(\theta)=10\cos\theta+5\sin^2\theta

then the derivative is

f'(\theta)=-10\sin\theta+10\sin\theta\cos\theta

Critical points occur where f'(\theta)=0. This happens for

-10\sin\theta+10\sin\theta\cos\theta=0

-10\sin\theta(1-\cos\theta)=0

\implies-10\sin\theta=0\text{ or }1-\cos\theta=0

In the first case, we find

-10\sin\theta=0\implies\sin\theta=0\implies\theta=n\pi

In the second,

1-\cos\theta=0\implies\cos\theta=1\implies\theta=2n\pi

So all the critical points occur at multiples of \pi, or n\pi. (This includes all the even multiples of \pi.)

3 0
3 years ago
12x+5y3z, where ​x=12​, y = 6, and z = 3
mestny [16]

Answer:

12×x+5y×3z

12×12+5×6×3×3

144+30×9

174×9

1,566.

that's what I found out.

8 0
2 years ago
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