3 years ago

Evaluate the following expression. 6^-1

Mathematics

2 answers:

Ugo [173]3 years ago

8 0

Do you mean 1/6 as the evaluation?

Lunna [17]3 years ago

8 0

6^-1 equals 1/6 ......

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Could someone check this. I don't know if I'm correct. Thanks!

garik1379 [7]

Answer:

yes

Step-by-step explanation:

your answers are correct! congrats!

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3 years ago

You charge $2 per evening plus $5 per hour to babysit and you only charge for whole hours. You have a goal to earn at least $121

KATRIN_1 [288]

Answer:

8 hours

Step-by-step explanation:

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3 years ago

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If a is a positive integer and b is a negative integer, which expression must be positive?

nydimaria [60]

So, let's solve all of them and see:

a - (-b) = a + b ⇒ can be either positive or negative, depending on the numbers

a + (-b) = a - b ⇒ can either be positive or negative, depending on the numbers

a * (-b) = a * (-b) ⇒ negative answer no matter what

a / (-b) = a / (-b) ⇒ negative answer no matter what

So the answer is:

<em>"None of the above"</em>.

Hope it helped,

BioTeacher101

(If you have any questions, feel free to ask them in the comments)

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3 years ago

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There are two spinners. Each spinner has 10 equal sectors labeled with the numbers 1 through 10.

Reika [66]

Answer: Second option is correct.

Step-by-step explanation:

Since we have two spinners,

Each spinner has 10 equal sectors labeled with the numbers from 1 to 10.

Primes numbers from 1 to 10 is given by

$\{2,3,5,7\}$

So, number of outcomes shows a primes number from 1 to 10 = 4

Similarly ,

Composite numbers from 1 to 10 is given by

$\{4,6,8,9,10\}$

So, number of outcomes shows a composite number from 1 to 10 =5

∴ Total outcomes show a prime number on the first spinner and a composite number on the second spinner is given by

$4\times 5=20\\$

Thus, Second option is correct.

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3 years ago

Y = x + 2<br> 2x - y = -4<br> Solve the system of equations using substitution.

const2013 [10]

The answer is (-2,0)

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3 years ago