3 years ago

Brainiest!! (TRY) to show work

Mathematics

1 answer:

nasty-shy [4]3 years ago

6 0

Domain goes from left to right. I know that it cant be C or D. My answer is B.

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A builder needs to tile a 7 foot by 8 foot room with one-foot square tiles. how many tiles will she need?

Diano4ka-milaya [45]

I believe that she will need 56 square tiles. You get this by doing 7 times 8 which is 56. Then, since each tile is a one-foot square tile, you would need 56 tiles to cover the whole floor.

6 0

3 years ago

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P P,Q and R can finish a task in 8, 10 and 12 hours respectivly.They started working together but after 3 hours, P and R left. H

zimovet [89]

Answer:

45 minutes

Step-by-step explanation:

Assume task completed in total x hours

$\frac{x}{10} + \frac{3}{8} + \frac{3}{12} = 1 \\ 12x + 45 + 30 = 120 \\ 12x = 45 \\ x = \frac{15}{4} = 3 \frac{3}{4}$

So q will take 45 more minutes

7 0

2 years ago

What is the next term of the arithmetic sequence 1, -2, -5, -8, ...

Vaselesa [24]

Answer:

-11

Step-by-step explanation:

Subtract 3 everytime

3 0

3 years ago

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How was this answered? i don't know how, pls. help

ratelena [41]

Answer:

see explanation

Step-by-step explanation:

Using $\sqrt{-1}$ = i, then i² = ( $\sqrt{-1}$ )² = - 1

and i³ = i² × i = - 1 × i = - i

also

$i^{4}$ = i² × i² = - 1 × - 1 = 1

We can surmise that i raised to any multiple of 4 will equal 1

Given

$i^{35}$ ( note 35 = 32 + 3 and 32 is a multiple of 4 ), thus

= $i^{32+3}$

= 1 × i³ = - i

3 0

3 years ago

What 16 ÷ 4 ×2 = ? <br><br> Please show your work.<br> Will Give the brainlist answer.

White raven [17]

Your answer is 8
16/4=4
4x2=8

7 0

3 years ago

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