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Aleks [24]
3 years ago
13

Using laws of exponents,

Mathematics
2 answers:
trapecia [35]3 years ago
5 0

Answer:

-i

Step-by-step explanation:

just did it on edg 2021

wlad13 [49]3 years ago
4 0

The answer is :

- i

I hope this helps

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Why is a rational number?
klio [65]

Answer:

A rational number is a number that can be express as the ratio of two integers.

Step-by-step explanation:

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3 years ago
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Hi, please help me with this math problem, I need to submit rly quick, thx.
Artemon [7]

Answer:

I think its B.

Step-by-step explanation:

6 0
3 years ago
Need help from 7-9 pls
expeople1 [14]

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Step-by-step explanation:

5 0
3 years ago
warehouse A has 200 tons of coal and sells 15 tons every day. warehouse B has 80 tons and buys 25 everyday in how many days does
forsale [732]

Hey there! I'm happy to help!

Let's represent the number of days with x.

WAREHOUSE A

200-15x

WAREHOUSE B

80+25x

We want to find how many days it will take for the two warehouses to have the same amount of coal. Let's put these expressions into an equation to show that they are equal and see what x is.

200-15x=80+25x

We subtract 25x from both sides.

200-40x=80

We subtract 200 from both sides.

-40x=-120

We divide both sides by -40

x=3

Therefore, warehouse A and warehouse B will have the same amount of coal after 3 days.

Have a wonderful day! :D

7 0
3 years ago
A triangle has two sides of length 18 and 4. What is the smallest possible whole-number length for the third side?
Kobotan [32]
<h3>Answer:  15</h3>

==================================================

Explanation:

Let a = 4 and b = 18 be the two known sides of the triangle.

Let c be the remaining side

We'll use a version of the triangle inequality theorem to set up the possible range of values for c.

The range of values for c is determined by the following

b-a < c < b+a

18-4 < c < 18+4

14 < c < 22

Telling us that the third side c is between 14 and 22, excluding both endpoints. This means c = 14 and c = 22 are not allowed. If either value were to happen, then the triangle becomes a single line instead. Try it out with slips of paper.

Because c = 14 is not allowed, we must go to the next whole number up. Therefore, c = 15 is the smallest possible length for the third side, when the third side is a whole number.

If the third side wasn't a whole number, then we could have something like c = 14.1 or c = 14.01 or c = 14.001 or c = 14.0001, and so on. We could steadily get closer and closer to 14, but never actually arrive to it. In short, there is no "smallest third side". This is likely why your teacher is focusing on the whole numbers so there is a smallest value of c possible.

Extra info: As you can probably guess, the largest side possible is c = 21, which is one less than 22. Like above, this is only possible if c is a whole number.

7 0
3 years ago
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