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Alexxandr [17]
3 years ago
12

Need the answers for 8 and 9 ASAP! WILL MARK BRAINLIEST!!

Mathematics
2 answers:
Elza [17]3 years ago
8 0

Answer:

8) \frac{2^8}{2^8} = 1

9)2^83^4=20736

lions [1.4K]3 years ago
7 0

Answer:

8.1

9.idk

Step-by-step explanation:

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A pack of five basic solid T-shirts costs $29.95 in a store. The sales tax where they are sold is 7.75%. What is the unit cost o
Anna71 [15]

Answer:

6.45

Step-by-step explanation:

29.95+7.75%=32.27

32.27/5

6.45

3 0
3 years ago
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What is the speed (approximately) of a 2.5-kilogram mass after it has fallen freely from rest through a distance of 12 meters?
Norma-Jean [14]

Answer:

15.3 m/s

Step-by-step explanation:1) Find the gravitational potential energy using the equation :

     PE_g=mgh

    PE_g=2.5(12)(9.8)\\PE_g=294

2) Then use the equation for kinetic energy to solve for the velocity:

     KE=\frac{1}{2} mv^{2}

     294=\frac{1}{2}(2.5)(v^2)\\235.2=v^2\\\sqrt{235.2} =v\\15.3 m/s=v

6 0
3 years ago
How do I do 3 x 10^5
Ilya [14]

Answer: 3(10^5)

=3*10^5

=3*(10*10*10*10*10)

=300000

This is how you should do It, just when it is squared you should times the number like up here you times 10 times 10 5 times so if you see it you don't times it by 5 you do 10 times 10 times 10 times 10 times 10 like this

You should get it now

Have a good day

Yours,

Nathaniel

Step-by-step explanation:

4 0
2 years ago
Write an expression to represent the circumference of the following circle.
Stells [14]

Answer:

d

Step-by-step explanation:

it's option d bro...becoz

x + 10 is the diameter

3 0
3 years ago
To open a combination lock, you turn the dial to the right and stop at a number; then you turn it to the left and stop at a seco
Tomtit [17]

Answer:

1728

Step-by-step explanation:

There are 12 numbers that can be used for the first number; 12 for the second number; and 12 for the third number.  This means there are a total of

12(12)(12) = 1728 combinations.

4 0
3 years ago
Read 2 more answers
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