2 years ago

Please help with questions 1 and 2

Mathematics

1 answer:

Georgia [21]2 years ago

5 0

Answer:

a) 4^1

b) 9^1

a) 9^6

b) 4^6

hope it helps

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A plane flies 15 miles in 20 seconds. How long would it take the plane to cover 30 miles?

ExtremeBDS [4]

Answer:it would take the plane 40 seconds

Step-by-step explanation:

if you multiply by two then you would be able to get 30

like 15 times 2 and since it’s 15 miles to 20 seconds or 15:20 you would have to multiply by the same number.

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2 years ago

- 5.8c + 4.2 - 3.1 + 1.4c − 5.8c + 4.2 − 3.1 + 1.4c

Cerrena [4.2K]

Answer:

-8.8c + 2.2 OR SOLVED c = 0.25

Step-by-step explanation:

Step 1: Combine like terms

- 5.8c + 4.2 - 3.1 + 1.4c − 5.8c + 4.2 − 3.1 + 1.4c

-8.8c + 2.2

Step 2: If needed solve for c

-8.8c + 2.2 - 2.2 = 0 - 2.2

-8.8c / -8.8 = -2.2 / -8.8

c = 0.25

Answer: -8.8c + 2.2 OR SOLVED c = 0.25

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3 years ago

Read 2 more answers

What is the value of 5^3i^9?

Yakvenalex [24]

Answer:

$\displaystyle 125^i$

Step-by-step explanation:

Extended Information on the Complex Number System

$\displaystyle \sqrt{-1} = i \\ -1 = i^2 \\ -i = i^3 \\ 1 = i^4\:[all\:multiples\:of\:four]$

I am joyous to assist you at any time.

All work is shown above. ↑

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3 years ago

Y−3=−1/2(x+4) I need help

frozen [14]

Answer: The slope is - 1/2.

Step-by-step explanation:

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3 years ago

Help me, I'll mark brainiest :)

Svetllana [295]

I think it’s b but don’t trust me

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3 years ago