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lorasvet [3.4K]
3 years ago
5

How do i change 8 -1 using positive exponent

Mathematics
1 answer:
OlgaM077 [116]3 years ago
4 0

I believe your question is asking for 8^-1

To make it have a positive exponent, it is simple. Note that whenever there is a negative power, place the number and power underneath 1

1/(8^1) or 1/8 is your answer

hope this helps

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umka21 [38]
The answer is 17.3 :)
7 0
3 years ago
Does anyone know what to fill in?
riadik2000 [5.3K]

Answer:

$36.69

Step-by-step explanation:

Okay, so let's first write the equation:

2.59*10 + 3d = 135.97

Now, let's work on isolating d by first simplifying the equation:

25.9 + 3d = 135.97

25.9 + 3d - 25.9 = 135.97 - 25.9

3d = 110.07

3d/3 = 110.07/3

d = 36.69

Okay, now let's check:

2.59*10 + 3*36.69  = 135.97

25.9 + 110.07 = 135.97

135.97 = 135.97

Okay, so so it costs $36.69 per pair of shoe.

4 0
2 years ago
What properties would you use to solve x/3=12 (multiple choice)
butalik [34]
C

explanation : the equation is division and since you don’t know what the variable x is, you multiply 3 and 12 to find x
5 0
3 years ago
Jack is building a deck that is 8 ft by 27.63 ft. He has the base built; he just needs to cover the surface with wood. When he g
gulaghasi [49]
The area of the deck is :
A ( deck ) = 8 * 27.63 = 221.04 ft²
The area of the sheet of wood:
A ( sheet ) = 4 * 8 = 32 ft²
221.04 : 32 = 6.9 ≈ 7 ( we need a whole number )
Answer: He should buy 7 sheets of wood to cover the surface of the deck.
5 0
3 years ago
Help asap, please! <3
o-na [289]

Answer:

a = 9

Step-by-step explanation:

Let's make the demoninators of the 2 fractions the same :
(2a+8)/10 - (5a +15)/10 = 5

(2a + 8 - 5a + 15)/10 = 5

=> -3a + 23 = 50
=> -3a = 27
=> a = 9

5 0
2 years ago
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