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3 years ago

Please help ASAP! Will mark brainliest

Mathematics

2 answers:

Alona [7]3 years ago

7 0

Answer:

15 B

16 C

17 A

Step-by-step explanation:

Stella [2.4K]3 years ago

6 0

Answer:

15. option 2

16. option 3

17. option 1

Step-by-step explanation:

15. (2.3*10^1)(7*10^6) = 161000000 = 1.61 * 10⁸

16. (1.1*10^-5)(3*10^-2) = 33/100000000 = 3.3 * 10⁻⁷

17. 7t⁴ * 7t⁴ = 49t⁸

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Its c

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2 years ago

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2 years ago

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What is a -210 Divided by 14

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Answer:

-15

Step-by-step explanation:

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2 years ago

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A fire department's ladder is 110 feet long. A firefighter is trying to reach the top of a 100 foot building by leaning the ladd

Alekssandra [29.7K]

Answer:

sin-¹(10/11)

Step-by-step explanation:

The height of the building is 100 ft and the ladder is 110ft long .We can imagine this situation as a right angled ∆. For figure refer to the attachment .

We can use ratio sine here. Let the angle of elevation be theta.

In ∆ ABC :-

=> sinθ = p/h

=> sinθ = 100ft / 110 ft

=> sinθ = 10/11

=> θ = sin -¹ ( 10/11) .

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3 years ago

50+ POINTS I NEED HELP

olga nikolaevna [1]

Answer:

21 yard line

Step-by-step explanation:

Ok we start out on the 20 yard line, we need to add the yards together.

We add the 6 to the 20:

20+6=26

Then we subtract the 8 yards from our new 26:

26-8=18

Then we add the 18 by 3:

18+3=21

Therefore,

The Answer is 21 Yard Line.

Hope I could help, If you need some more assistance ask me!

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2 years ago